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Alexander (M) W.

Senior IT Consultant

Waldkraiburg, Germany

Experience

Sep 2024 - Present
1 year

DNS Architect

Stromnetz Berlin GmbH

  • Review the DNS architecture: Azure Private DNS Zones, Azure IaaS Windows, Domain Controllers, on-premises Windows Domain Controllers, on-premises Linux BIND servers
  • Optimized the DNS structure to reduce dependencies
  • Automated the replication of DNS records in Azure Private DNS Zones
  • Enabled infrastructure-wide resolution of private endpoints
  • Analyzed and optimized DNS forwarding
  • Developed DNS security policies to minimize attack vectors and protect the DNS infrastructure against DDoS attacks
  • Integrated DNSSEC (Domain Name System Security Extensions) to enhance security and trust in DNS transactions
  • Optimized failover strategies for high availability and redundancy of DNS services in hybrid cloud and on-premises environments
  • Conducted performance analysis and tuning of DNS servers to reduce latency and improve response times
  • Created technical documentation and operation manuals for DNS architectures to support IT operations teams
  • Advised DevOps teams on integrating DNS services into CI/CD pipelines for automated infrastructure management
  • Designed migration strategies for the secure transition from legacy DNS systems to modern cloud-based architectures
  • Monitored and troubleshooted DNS logs with tools like Wireshark, Splunk, or Nagios to detect anomalies early
  • Defined naming conventions and policies for standardized management of DNS zones and records
  • Coordinated change management processes in the DNS environment to minimize downtime during system changes
  • Tools: Microsoft Windows Server, Active Directory, Azure DNS, PowerShell, BIND (Berkeley Internet Name Domain), Ansible, Terraform, Wireshark, Microsoft Azure Automation, Linux (RHEL, Ubuntu), DNSSEC, Splunk, Nagios, Zabbix, Grafana, ELK stack (Elasticsearch, Logstash, Kibana), Python (for automation scripts), Git, Jenkins, Kubernetes, Docker, Cloudflare DNS, BIND tools, Microsoft System Center, SolarWinds Network Performance Monitor
  • Hardware: Cisco UCS servers, HPE ProLiant DL380, Dell PowerEdge R740, F5 BIG-IP DNS, Juniper SRX firewalls, NetApp FAS storage, Aruba switches, Fortinet FortiGate firewalls, Palo Alto next-generation firewalls, Cisco Nexus switches, VMware ESXi hosts, Synology NAS, F5 BIG-IP load balancer, Dell EMC PowerEdge servers, Juniper EX series switches, Check Point firewalls
Mar 2023 - Aug 2024
1 year 6 months
Ismaning, Germany

IT Senior Network Consultant

Dell/Audi Projekt

  • Data center migration, infrastructure services, demand management, virtualization, high-security server & network infrastructures
  • high responsiveness in case of failures
  • close collaboration with end customer teams and third parties
  • connecting to the global network infrastructure
  • network design
  • performed infrastructure changes: implementation, deployments, automation, and optimization solutions according to ITIL
  • communicated with internal and external customers and presented to management; OS build, installation, and administration
  • project optimization planning
  • developed and implemented network security solutions based on ISO 27001 requirements for data centers and global IT infrastructures
  • applied IEC 62443 standards to secure industrial control systems in production environments
  • migration and NSX-T implementation for secure cloud networks
  • built a zero-trust architecture with NSX-T and Cisco ACI
  • micro-segmentation and security policies in a multi-tenant environment
  • connected and managed NSX-T edge nodes, Tier-0 and Tier-1 gateways
  • troubleshot and performed performance analysis with NSX Intelligence and vRealize Log Insight
  • automated NSX-T configurations with Terraform and Ansible
  • used IBM Netcool Omnibus for event management and incident analysis in complex IT landscapes; improved event detection and handling through optimized processes
  • gained experience with Maximo Application Suite for asset and service management to optimize operations and maintenance processes
  • established and maintained a risk management framework to ensure compliance with security and regulatory requirements
  • participated in workshops
  • designed and planned highly available, high-security private cloud architectures; created performance analyses
  • supported developers in scaling up new servers
  • assisted in integrating deployments into processes
  • configured proxy servers, created firewall requests, managed IP addresses for storage and backup servers, and commissioned cabling for project servers via SC3 requests
  • developed and customized templates with Inspire System (Quadient) to automate corporate communication and document processes
  • coordinated server relocations to the new site
  • integrated Inspire System into existing IT environments via API interfaces, including troubleshooting and performance tuning
  • analyzed and troubleshooted server issues and opened vendor tickets when needed
  • responsible for efficient management and automation of server and network environments using modern tools
  • used Foreman to automate server provisioning, configuration, and patch management in a complex IT infrastructure
  • maintained and updated a CMDB for central IT asset management and tracking network infrastructure changes
  • optimized IT processes by integrating Foreman into existing automation workflows, including Ansible and Puppet, for creating security policies and enforcing them through regular audits and security checks
  • configured switches; used PowerShell, Python, and Linux scripting to automate processes and settings; planned and implemented network and security solutions; handled server planning and on-site hardware troubleshooting in the data center
  • reviewed and updated documentation, SOPs, and operation manuals
  • Tools: Toad, Windows x86 virtualization (VMware, Hyper-V (highly critical VDI platform)), VDI, Active Directory, vSphere, OnCommand Unified Manager (OCUM), Trident, SnapCenter, vCenter, Jira, Trello (Kanban), Ansible, storage protocols (NFS, SMB/CIFS, iSCSI, NDMP, SAN, NAS, DAS), Confluence, LDAP tools; software-based migration procedures like vMConverter (from VMware), Nexus Prime; protocols (HTTP, HTTPS, FTP, TCP/IP, UDP, DHCP, SMTP, SNMP IoT, TLS, SAML, DNS, Radius, ELK stack, Tenable, OAuth, Syslog, Kerberos, LDAP); MS Office 365, IPv4, IPv6, SDN, PowerShell, AS/400, Grafana dashboards, Linux shell, Foreman, ServiceNow, Ansible, Puppet, VMware, Hyper-V, NetApp, Kubernetes, NSX-T, Citrix, SC3 ticket system, MS Teams, Cisco products like Cisco ACI, Hyperflex, Intersight
  • Hardware: PowerScale F200, F600, Isilon F800, F810, PowerMax 8000, PowerScale F900, Isilon H400, H500, H5600, H600, PowerScale H700, H7000, PowerScale A300, A3000, Dell backup servers, Dell backend switches, Isilon clusters, Dell Unity NAS servers, MTFS
Mar 2021 - Mar 2023
2 years 1 month
Nuremberg, Germany

IT Senior Consultant (Application Manager)

ING DiBa

  • Data center cloud infrastructure services, demand management, virtualization, high-security server infrastructures
  • high responsiveness in case of failures
  • close collaboration with end customer teams and third parties
  • connection to the global cloud infrastructure; design and planning of highly available private clouds (central server lifecycle management, including provisioning, configuration management, and security updates)
  • integrated IT assets and configuration data into the CMDB to ensure transparency and traceability within the infrastructure (high security)
  • cloud network architecture with VMware NSX-T for virtual data centers
  • developed and implemented security policies with NSX-T distributed firewall
  • internal network and security concepts based on NSX-T micro-segmentation; integrated NSX-T with Kubernetes and container environments
  • developed processes for risk assessment and mitigation in line with ISO 27001 standards
  • implemented and monitored security solutions according to ISO 27001 requirements to ensure information security and compliance in cloud and network environments
  • responsible for central software packaging and deployment management, focusing on Microsoft App-V, MSI, and SCCM
  • developed and maintained App-V packages, including sequencing, debugging, and performance optimization
  • automated deployments and configuration management using PowerShell, VBScript, and batch scripts
  • integrated packaging solutions into complex virtualization and cloud environments (VMware, Hyper-V)
  • supported the migration and updating of applications as part of OS builds and software rollouts
  • used tools like Jenkins, Ansible, and Puppet to support automated processes
  • carried out infrastructure changes: implementation, deployments, automation, and optimization solutions
  • OS build, installations, and administration
  • project optimization planning
  • PowerShell, Python, and Linux scripting for process and configuration automation
  • participated in workshops
  • created performance analyses
  • supported developers
  • administered Apache web servers (installation, configuration, virtual host setup, performance tuning, troubleshooting and support, and log monitoring)
  • assisted with scaling new servers
  • assisted in integrating deployment processes
  • performed all standard administration tasks and supported applications
  • fully involved in the project (3rd level support)
  • set up incident, change, and process management in line with ITIL v3
  • maintained and managed customer-specific tools for technical configuration; provided organizational support for escalation management; integrated and handled customer-specific business applications
  • Tools: Linux & Windows virtualization (VMware, ESXi, Hyper-V (highly critical VDI platform)), VDI, Active Directory, Satellite, vSphere, vCenter, Zero Trust model, LDAP, load balancer, firewall, monitoring with Nagios, SCOM, NetApp storage administration, Tenable, OpenShift, application support and optimization, migration preparation, RedHat Enterprise Linux Server (including clusters) 11 & 12, Debian derivatives, Microsoft Windows Server 2008 R2, 2012 R2 (including clusters), Windows Server 2016 & 2019, ACI integration with VMware, Azure, AWS, Windows Terminal Server, Microsoft Exchange, Microsoft Office 365, VDI Horizon, SAN & NAS connections, switch configuration, NetApp storage administration, application servers: JBOSS, Apache Tomcat, scripting/automation: PowerShell, PowerCLI, Python, Linux shell (Bash, ksh), Puppet, Ansible, Jenkins, Java 6.0 & 8.0, protocols (HTTP, HTTPS, FTP, TCP/IP, UDP, DHCP, SMTP, SNMP IoT, TLS, SAML, DNS, Radius, Auth, Syslog, Kerberos, LDAP), Dell networks, Foreman, ServiceNow, Ansible, Jenkins, Red Hat Enterprise Linux, VMware, Check Point networks, Oracle, MySQL, MS SQL, load balancers, LDAP integrations, Trusted SignOn/Single SignOn configurations, Active Directory, Satellite, Nexus Prime, VPN configuration, Check Point firewall, tools: RedHat, OpenShift, Docker, Terraform, GitLab, Toad, Veeam, Trello (Kanban board), Grafana, Windows x86 virtualization (VMware, Hyper-V), VDI, Active Directory, vSphere, OnCommand Unified Manager (OCUM), Trident, SnapCenter, vCenter, Jira, Cisco ACI, storage protocols (NFS, SMB/CIFS, iSCSI, NDMP), Confluence, LDAP tools; software-based migration procedure as vMConverter (from VMware), MS Office 365, NetApp, Kubernetes, Citrix, MS Teams, Cisco products
Jan 2019 - Jan 2021
2 years 1 month
Munich, Germany

IT DevOps Senior Consultant (Operations)

NTT Data for BMW

  • Data center cloud infrastructure services, demand management, x86 virtualization, high-security server infrastructures, DMZ
  • high responsiveness during outages
  • close collaboration with end-customer teams and third parties
  • implemented NSX-T for SDN (Software-Defined Networking)
  • global cloud infrastructure with over 10 high-security domains
  • conducted checks to anticipate potential issues
  • executed infrastructure changes (implementation, deployments, automation, and optimization solutions)
  • OS build, installations, and administration
  • project optimization planning
  • participated in workshops
  • full involvement in the project (3rd level support)
  • ITIL methodology
  • set up incident, change, and process management according to ITIL v3
  • drafted and implemented SLAs for migrated applications and security concepts
  • supported/coordinated colleagues in infrastructure installation and configuration and root cause analysis; secured cloud workloads with NSX-T security policies; integrated NSX-T with vSphere, Kubernetes, and hybrid cloud environments
  • created documentation on Confluence
  • coordinated, organized, and communicated releases (DevOps)
  • coordinated, maintained, and documented Active Directory (AD)
  • PowerShell, Python, and Linux scripting for process and configuration automation
  • planned and implemented security concepts for highly available industrial cloud solutions, considering IEC 62443 standards
  • ensured network security and protection of critical infrastructure according to ISO 27001 and IEC 62443 best practices
  • integrated and monitored security measures for industrial control systems and OT environments
  • planned and implemented proxy server configuration; designed and architected highly available, high-security private clouds
  • maintained and managed customer-specific tools for technical configuration
  • created and managed ITSM tickets and provided organizational support for escalation management
  • onboarded and handled customer-specific applications
  • Tools: Windows x86 virtualization (VMware, NSX-T, vCenter, Hyper-V (highly critical VDI platform)), VDI, Active Directory, vSphere, vCenter, LDAP tools; software-based migration procedures like vMConverter (from VMware), Ansible; monitoring with Nagios; managed and optimized a global large-scale cloud infrastructure on Windows Server (2008 R2, 2012 R2 including clusters, 2016 & 2019); ACI integration with VMware; Windows Terminal Server; Microsoft Exchange; Microsoft Office; SAN & NAS connections; JBOSS; protocols (HTTP, HTTPS, FTP, TCP/IP, UDP, DHCP, SMTP, SNMP IoT, TLS, SAML, DNS, Radius, OAuth, Syslog, Kerberos, LDAP); Java 6.0 & 8.0; storage (HP 3Par); Lobster; load balancers; LDAP connections; trusted SSO configurations; Fortinet; Active Directory; SCCM; SCOM; VPN configuration; Check Point firewall; NAS; SAN; VDI Horizon
Jan 2018 - Dec 2018
1 year
Munich, Germany

IT Support Manager (Migration Senior Consultant)

Airbus Defence

  • Data center infrastructure services, x86 virtualization and transformations
  • responsible for treasury applications and related infrastructures
  • demand management
  • standardized requests, cost analysis, customer requirements and needs
  • high responsiveness during outages
  • close cooperation with end-customer teams and third parties
  • packaged applications and software using SCCM and MSI for standardized distribution in the IT infrastructure
  • used PowerShell, VBScript, and batch scripts to automate packaging processes, prepare installations, and troubleshoot
  • supported the creation, customization, and maintenance of installation packages and scripts for rollout
  • integrated packages into the existing deployment system (SCCM), including testing and troubleshooting
  • automated processes for efficient deployment and management of software updates
  • conducted checks to anticipate potential issues
  • PowerShell, Python, and Linux scripting for automating processes and configurations
  • planned and implemented network and security solutions; designed and architected highly available, high-security private clouds
  • administered Apache web servers (installation, configuration, virtual host setup, performance tuning, troubleshooting and support, and log monitoring)
  • executed changes in the IT infrastructure
  • participated in workshops
  • fully involved in the project (3rd level support)
  • ITIL methodology
  • set up incident, change, and process management according to ITIL v3
  • developed and implemented SLAs for migrated applications as well as security concepts
  • Tools: Windows x86 & Linux (various distributions including SLES) virtualization (VMware, Hyper-V (highly critical VDI platform)), VDI, Active Directory, LDAP tools; software-based migration procedures like vMConverter (from VMware) or Platespin, Fortinet, ICINGA application performance monitoring, Suse Linux Enterprise Server 11 & 12, managed and optimized an HPC network infrastructure on Windows Server (2003 R2, 2008 R2 including clusters), Windows Terminal Server, Microsoft Exchange, Microsoft Office, Microsoft IIS 6.0+, Apache Tomcat 5.0+, RedHat OpenShift, Axway, Maven, Toad SQL, PL/SQL, McAfee HIPS firewall, JBOSS, Ansible, protocols (HTTP, HTTPS, FTP, TCP/IP, UDP, DHCP, SMTP, SNMP IoT, TLS, SAML, DNS, Radius, OAuth, Syslog, Kerberos, LDAP), Java 6.0 & 8.0, Microsoft SQL Server 2005/2008 (including clusters), Oracle 10g/11gR2/12c (including clusters), WebLogic, RAC, Oracle SQL+, MySQL, Puppet, Ansible, storage (HP 3Par), load balancers, LDAP integrations, Trusted SignOn/Single SignOn configurations, Active Directory, VPN, VDI Horizon, Veeam
May 2015 - Oct 2017
2 years 6 months
Munich, Germany

Release Change Architect

Münchener Bank

  • Planning and design of Summit release changes.
  • Executing upgrade in the test environment.
  • Planning procedures for the production environment.
  • Windows Server 2008 R2
  • Misys Summit
  • Oracle 11g/12c, SQL scripting
  • Migration of SQL Server databases of different versions into a virtualized Windows Server 2008 R2 environment, consolidation of existing data, platform: SQL Server 2005, 2008 R2 to 2012
  • Active Directory
  • Java scripting, Perl scripting, PowerShell scripting
  • VMware/vSphere, ESX
  • Fire Daemon service management
  • Connecting interfaces to SAP
Oct 2014 - May 2015
8 months
Munich, Germany

Senior Architect & Subproject Manager

IBM / Telefonica/O2

  • Project: European data center consolidation.
  • Lead architect responsible for managing data center migrations, data center infrastructure services, x86 virtualization, UNIX transformations.
  • Project planning, migration preparation, commissioning, securing & ensuring operations after migration from the old to the new provider (3rd level support).
  • ITIL methodology.
  • Setting up incident and change process management compliant with ITIL v3.
  • Development and implementation of SLAs for the migrated applications and security concepts.
  • Windows x86 virtualization (VMware, Hyper-V)
  • Linux x86, SUN SPARC, HP Itanium shared services: Citrix, Active Directory, LDAP. Tools: software-based migration procedures like vMConverter (from VMware) or PlateSpin; virtualization-based migration procedures like SVC from IBM; Application Performance Monitoring (APM).
  • Red Hat Enterprise Linux Server, CentOS, Solaris, HP-UX
  • Support and optimization of a HPC network infrastructure on Linux and Windows
  • Microsoft Windows Server 2003 R2, Microsoft Windows Server 2008 R2 (incl. clustering)
  • Windows Terminal Server, Microsoft Exchange, Microsoft Office
  • Microsoft IIS Internet Information Services from 6.0
  • Apache Tomcat from 5.0
  • JBoss
  • Microsoft SQL Server 2005, Microsoft SQL Server 2008 (incl. clustering)
  • Oracle 10g, 11gR2, WebLogic, RAC, Oracle SQL+, MySQL, Pervasive SQL, SolidDB, Postgres, DB-Visualizer, Jenkins, Ganglia, BeeGFS
  • Complex migrations like Atlassian Confluence, Jira, ClearQuest, etc.
  • Load balancers, LDAP integrations, Trusted SignOn/Single Sign-On configurations
  • Active Directory, Red Hat Satellite, Typo3 CMS, Docker
Jul 2013 - Oct 2014
1 year 4 months
Munich, Germany

Senior IT Consultant & Subproject Lead

Commerzfinanz GmbH (Commerzbank subsidiary)

  • Project planning, migration preparation and move of IT infrastructure, especially in the software area (virtualizing physical machines, web applications, applications, databases) as part of a full data center relocation.
  • Project and migration coordination and communication with external and internal service providers as well as business owners.
  • Commissioning, securing & ensuring operations after migration from the old to the new provider (3rd level support).
  • Packaging and virtualization of applications.
  • Incident and change process management setup compliant with ITIL v3.
  • Development and implementation of SLAs for migrated applications and security concepts.
  • Software: VMware/vSphere, ESX 4.0, ESX 5.0, 5.1; Red Hat Enterprise Linux Server, CentOS, Solaris, HP-UX; Microsoft Windows Server 2003 R2, Microsoft Windows Server 2008 R2 (incl. clustering); Windows Terminal Server, Microsoft Exchange, Microsoft Office; Microsoft IIS Internet Information Services from 6.0; Apache Tomcat from 5.0; JBoss; Intune Admin Center; Microsoft SQL Server 2005, Microsoft SQL Server 2008 (incl. clustering); Oracle 10g, 11gR2 (incl. clustering); WebLogic, RAC; Oracle SQL+; MySQL; Pervasive SQL; SolidDB; Postgres; DB-Visualizer; Load balancers; LDAP integrations; Trusted SignOn/Single Sign-On configurations; Active Directory; Red Hat Satellite; SAP interface configurations; RayPack Studio; complex migrations like Atlassian Confluence, Jira, Opsview, Iris, HP Quality Center, etc.; Bash; PowerShell; JavaScript; SCCM; SCOM; FIM 2010; Quest ITIL Foundation (v2 and v3)
Apr 2013 - Jul 2013
4 months
Munich, Germany

Senior IT Consultant

Sanacorp Pharma Handel GmbH

  • Administration, operation and optimization of middleware/web servers
  • Daily operations, change handling, implementation of new products & tools
  • Performance tests and optimization of vendor scripts on Unix
  • Adapting delivered standard Unix scripts to the existing infrastructure
  • Administration and monitoring of networks, security and server systems within existing managed services
  • KornShell, Bash, WLST, Jython/Python, JavaScript, JMX, Perl
  • Software: Unix, AIX, Apache Tomcat, Oracle WebLogic, MySQL, VMware ESX, SAN/NAS, HP OpenView, Subversion, Java, Piwik, Toad, PuTTY, various tools
  • Especially in SAN/NAS support, also gained experience with: HDS USP-V, VSP, AMS and HUS
  • Hitachi Command Suite (Device Manager, Tuning Manager, Replication Manager and Tiered Storage Manager)
  • SAN switch infrastructure (Brocade incl. Connectrix Manager DataCenter Edition)
  • EMC Clariion, VNX, VMAX
  • SAN switches McData
Jul 2012 - Mar 2013
9 months
Ingolstadt, Germany

Senior IT Consultant & Subproject Lead

Media-Saturn Group

  • Project planning, migration preparation and move of IT infrastructure, especially in software (web applications, applications, databases) as part of a large insourcing project.
  • Project and migration coordination and communication with external and internal service providers as well as business owners.
  • Commissioning, securing & ensuring operations after migration from the old to the new provider (3rd level support).
  • Incident and change security process management setup compliant with ITIL v3.
  • Development and implementation of SLAs for the migrated applications.
  • Software: VMware/vSphere, ESX 4.0, ESX 5.0; Microsoft Windows Server 2003 R2, Microsoft Windows Server 2008 R2 (incl. clustering); Windows Terminal Server, Microsoft Office; Red Hat Enterprise Linux Server, SLES 9.3, SLES 11, SUSE Linux; Microsoft IIS Internet Information Services from 6.0; Apache Tomcat from 5.0; JBoss; ColdFusion; BIND; Microsoft SQL Server 2005, Microsoft SQL Server 2008 (incl. clustering); Server Agent; Oracle 10g, 11gR2 (incl. clustering); WebLogic, RAC; Oracle SQL+; MySQL; Pervasive SQL; SolidDB; Postgres; DB-Visualizer; Visual Studio; Load balancers; LDAP integrations; Trusted SignOn/Single Sign-On configurations; OFTP2 interfaces; SAP interface configuration, analysis, design and configuration of various automated interfaces; complex migrations like ARIS, Aperture (facility management), AnnoText, HP Service Manager, WebTier, legacy systems, Connect:IT, HP Quality Center, Mercury LoadRunner, WinRunner, QuickTest Pro, ClearQuest, HP Project & Portfolio Management, etc. (including ensuring operations of web applications & web servers after migration – 3rd level support)
  • Performance tests and optimization of vendor scripts on Linux/Unix
  • Adapting delivered standard Linux scripts to the existing infrastructure
  • Bash, PowerShell, JavaScript, .NET
  • Setting up, deploying and debugging Microsoft Application Virtualization infrastructure; packaging; Microsoft App-V application sequencing/debugging/evaluation/scripting; App-V infrastructure benchmarking and tuning; App-V – Citrix interaction; Citrix publishing; integration of App-V databases and clustering; App-V NLB implementation; testing applications with HP QuickTest Professional; packaging; NANT test framework WTS; Microsoft Application Virtualization infrastructure (management server, Windows Terminal Client, RDS, Citrix XenApp, Citrix XenDesktop, Citrix Secure Gateway & web interfaces, Citrix NetScaler); ITIL Foundation (v2 and v3)
Jan 2012 - Jul 2012
7 months
Munich, Germany

Migration IT-Consultant (IT-Infrastructure)

IT@M (City of Munich)

  • Migration and migration preparation of the entire IT infrastructure, especially in software (apps, databases, system migrations) as part of a large restructuring project from a decentralized to a centralized level.
  • Commissioning, securing & ensuring operations during the transition phase of restructuring multiple decentralized IT service providers into a single central IT service provider.
  • Setting up incident, change and process management according to ITIL v3.
  • Performance testing and optimization of vendor scripts on Linux/Unix.
  • Adapting standard Linux scripts to the existing infrastructure.
  • Administering and operating the IT infrastructure on UNIX/Linux.
  • Software: RedHat Linux, Suse Linux, Solaris 10 (including cluster management), Win XP, Win 7, Oracle 10 and 11g (including v.12c), WebLogic, RAC, WebSphere, MySQL, Postgres, Samba, SCCM MSI, Netinstall. Virtualization (VmWare 7 Infrastructure/vSphere), security (AV, BitLocker, firewall), OpenOffice, Thunderbird, Nagios, Filecrawler, MediaWiki, Forefront, Open-AudIT, Oracle Application Server, BIND, Oracle Discoverer, Oracle Enterprise Manager, Oracle Forms/Reports, Oracle SQL Plus, POS-WebClient, various in-house frontends for LHM (Perl, PHP, CSS, JavaScript, VBA, Visual Basic), backup & storage solutions including Legato Networker, NetApp, MetroCluster, Checkpoint Firewalls, USP-V, OnTap 8.1, Avaya (tablet setup), TSM, Tivoli
Jan 2011 - Dec 2011
1 year
Munich, Germany

System Administrator (Servers & Networks)

Allianz (AMOS SE)

  • Monitoring, control and troubleshooting of servers and network components, working with TEC, Netcool, Zis, Nagios and other event monitors.
  • Creating outage reports and problem tickets (Remedy), handling system administration issues for various systems and databases.
  • Triggering escalations inside and outside AMOS according to ITIL (incident, change, problem management).
  • Carrying out special tasks such as working on different tests and pilot projects, and order-based jobs.
  • Optimizing operational processes.
  • Network and infrastructure: MS SharePoint, MS Exchange, MS SQL Server, MS Team Foundation Server, Oracle 10 and 11g, WebLogic, Citrix XenApp 6; virtualization (VMware Infrastructure/vSphere, vCloud Director, LabManager), security (AV, antispam, firewall); server administration (MS Windows Server 2003/2008, domain services), Windows Print Services, Windows 7, Mac OS; backup/data protection concepts (TSM, HP-EVA, DS8000), BMC Remedy, software packaging with SCCM; NetApp, MetroCluster, App-V, SSL, TLS, SMTP, JMS, IIS, OpenLDAP; UNIX (AIX, Solaris, Linux including cluster management), RAC, ASM, Altiris, SAP, robotic systems, SAN, NAS, Apache Tomcat, WebSphere, BIND, Visual Studio, MSI, Netinstall, e-business architectures and various other tools, e.g. Citrix XenApp server management on a large server farm.
  • Specifically in SAN/NAS management I also gained experience with: HDS USP-V, VSP, AMS and HUS; Hitachi Command Suite (Device Manager, Tuning Manager, Replication Manager and Tiered Storage Manager); SAN switch infrastructure (Brocade including Connectrix Manager DataCenter Edition); EMC Clariion, VNX, VMAX; SAN switches McData; IBM Rational ClearCase & ClearCase Multisite.
Sep 2010 - Nov 2010
3 months
Munich, Germany
On-site

System Administrator

Andritz-KMPT AG

  • Administration, on-site support (vacation cover).
  • Server installation & configuration, onsite support, network administration, network migration, software packaging, ACE server administration, NZ number PC mastering, distribution and installation via SCCM.
  • Hardware: Dell servers & clients, HP ProLiant servers, Juniper firewalls, Alcatel Omnia switches.
  • Software: Windows XP, Vista, 7; Windows Server 2000, 2003, 2008; Exchange Server 2003; SQL Server 2003; Office 2003; VMware; NetApp; Symantec Altiris; various tools.
Jun 2007 - Sep 2009
2 years 4 months
Bucharest, Romania

Project Manager, Deputy Project Manager

Renault / Dacia

  • Project management, coordinating rollouts, advisor and contact person for dealer network.
  • Controlling rollout of renault.Net.
  • Communication advisor for Renault partners.
  • Advisor for CRM/COS rollout.
  • Supporting the support team.
  • Pilot support for TDFA project (data transmission).
  • Advising on Windows networks.
  • OSD deployments.
  • Creating certificates.
  • Advising on HBCI protocol (extranet/internet).
  • Partial administration of user rights (Renault internal).
  • Full administration of user rights (dealer network).
  • Contact person for IT questions (dealer network).
  • Creating test scenarios, setting up test environments.
  • Following ITIL guidelines.
  • Configured and implemented DFS system.
  • Hardware: HP and Compaq computers, HP server systems and infrastructure.
  • Software: Windows 2000, Windows Server 2003, Exchange, Office, Oracle Database; tools: InstallManager, NetInventory, NetReflect, Citrix XenApp (installation & configuration), VMware, Symantec Altiris, F-Secure, SSL, TLS, SMTP, JMS, HP OpenView, etc.
Jul 2006 - Jun 2007
1 year
Munich, Germany

2nd Level Support

O 2 / Infineon

  • First and second level support.
  • Tasks: on-site administration support for Windows 2000 and Novell NetWare 6.
  • Hardware: Compaq computers (HP), HP ProLiant servers.
  • Software: Windows 2000, Novell NetWare 6, Office 2000 products, Oracle Database, HP Insight Manager, Peregrine Service Center/HP OpenView Service Center, HP Quality Center, VMware, InstallManager, etc.
Jun 2005 - Jun 2006
1 year 1 month
Germany

Team Lead / IT Consultant

T-Systems / Deutsche Telekom AG

  • Team leadership, coordination at Deutsche Telekom AG.
  • Activities: On-site updates, troubleshooting, team management, on-site support and training of technicians, organization, network maintenance, network restructuring and migration from Win95 to Win2000.
  • Hardware: Siemens computers, HP computers.
  • Software: Win95, Win2000, Exchange 2000, Office products, Tivoli, SafeGuard, Citrix MetaFrame.
Jan 2005 - Jun 2005
6 months
Munich, Germany

User Help Desk

(Fairchild Dornier) DO Professional Services GmbH

  • User help desk.
  • Activities: NT administration, troubleshooting, network configuration, Exchange admin, phone support.
  • Hardware: Siemens, Cisco, HP.
  • Software: NT 4.0, Exchange Admin, HOST 3270, Exceed, Sun Solaris 7.0, Quota Server Client, Peregrine Service Center 5.x.
Jun 2004 - Dec 2004
7 months
Frankfurt, Germany

System Administrator / 2nd Level Support

Nortel Networks / (DASA)EADS

  • 2nd level support on site.
  • Activities: troubleshooting, on-site support, network administration on Novell-NT.
  • Hardware: Dell, HP, Nortel Catalyst hubs, HP switches.
  • Software: Windows NT 4.0, Novell NetWare, Install Manager, Oracle Database, GroupWise, Netscape Communicator, etc.
Jan 2004 - Jun 2004
6 months
Munich, Germany
Remote

System Administrator

Lufthansa Network Integration / Allianz AG

  • Installations & administration.
  • Activities: new PC installations via remote, installation, configuration and sync of PDAs to PCs and notebooks.
  • Hardware: Dell and IBM PC systems, Palm Vx.
  • Software: Windows NT, Lotus Notes, Easy Sync 3.0, SyncManager.
Jun 2003 - Jan 2004
8 months
Frankfurt, Germany

Global Help Desk

SITA/Equant / Lufthansa, Campus Project

  • 1st level support, global help desk.
  • Activities: phone problem analysis, support and dispatching of technicians on site.
  • Hardware: Gateway PC systems.
  • Software: Windows NT 4.0, Novell NetWare 4.11, OS/2, Sun Solaris 6.3, Atlas, Siebel, Integra, Lotus Notes.
Apr 2001 - Jun 2003
2 years 3 months
Munich, Germany
Remote

2nd Level Support

(Debis PCM) T-Systems / Hypovereinsbank

  • 2nd level support, remote installations.
  • Activities: phone-based problem analysis & resolution, network administration under NT 4.0, remote software installation using NorCom software in a team.
  • Hardware: PC systems, SNI and Compaq servers (HP), Cisco hardware.
  • Software: Windows NT, SQL Server, SNA, HOST, Shell, Networker Legato, etc., ESI Installer.
Oct 2000 - Apr 2001
7 months
Munich, Germany

IT technician

Siemens / D.Telekom AG

  • Data entry.
  • Activities: IT inventory recording and on-site training.
  • Hardware: IBM laptops.
  • Software: Windows 98, Oracle database frontend.
Apr 1999 - Oct 2000
1 year 7 months
Germany
On-site

Technician, onsite team lead

Debis PCM / Hypovereinsbank

  • Migration preparation and update.
  • Activities: on-site updates, troubleshooting, team leadership, support and training of on-site update technicians, testing and configuration of branch servers with host connection, SNA and SQL Server integration, network administration under NT 4.0.
  • Hardware: PC systems, SNI and Compaq servers (HP), Cisco hardware.
  • Software: Windows NT, SQL Server, SNA, HOST, Shell, Networker Legato, Norcom and Norton software.

Summary

  • Freelance since 1999

  • flexible, persistent and cost-conscious

  • confident in dealing with people, internationally experienced

  • adaptability

  • quick comprehension

  • self-directed work

  • commitment

  • flexibility

  • leadership

  • communication skills

  • conflict resolution skills

  • interpersonal skills

  • creativity

  • customer orientation

  • networking

  • organizational skills

  • independent working style

  • team skills

  • negotiation skills

  • determination

  • reliable

  • persuasive ability

Languages

German
Native
English
Advanced
French
Advanced
Romanian
Intermediate

Education

Studiengemeinschaft Darmstadt

Diploma in Computer Science (FH) · Computer Science

Certifications & licenses

Unix/Linux for Advanced Users - Shell Programming and Tools

Unix/Linux Scripting - Automation with Shell, Awk, and Perl

Linux System Administration

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