Konstantinos Metaxas - IT System Engineer

Unterhaching, Germany

Experience

Jan 2025 - Mar 2025

3 months

Germany

IT System Engineer

Client belongs to critical infrastructure

IT infrastructure services
IT services, networks, Exchange, Office 365 & 2016
IT documentation
Collaboration with external partner & managed provider
Stakeholder management

May 2024 - Dec 2024

8 months

Project Manager

Client belongs to critical infrastructure (KRITISV)

Design, control and monitoring of the project plan using MS Project 2016
Definition of milestones and KPIs in line with ISO 9000 quality management
Implementation and optimization of service design and service transition processes in accordance with ITIL v3 and ISO/IEC 20000
SLA definition, monitoring and escalation processes in ServiceNow
Design of a hybrid cloud architecture based on MS Azure and Active Directory (AD) with AGDLP principle
Selection and rollout of Lenovo servers and virtualization using CORBOX VMs
Consolidation of all CMDB topics in ServiceNow CMDB
Introduction of software asset management with the Smart Track tool from USU/Aspera
Stakeholder management and reporting via MS Office 365 (Outlook, Teams, SharePoint) and Confluence
Moderation of steering committee and specialist committee meetings
Development of an agreed action plan (cutover plan) including rollback scenarios, documented in Confluence
Test management and tracking of handover tests with XRAY for Jira
Implementation of EMM strategies with Intune and MobileIron
Endpoint hardening, patch management and policy enforcement via Ivanti
Automation and orchestration of ITSM processes in ServiceNow and Jira Service Management
Interface management between Office tools, CMDB and MDM
Creation of standardized templates, runbooks and manuals in SharePoint
Ensuring compliance with ISO 9000, ISO/IEC 20000, SLAs and internal governance requirements
Knowledge transfer and training of the 2nd/3rd level support team

Oct 2023 - Feb 2024

5 months

Lecturer

Zukunftsmotor GmbH

IT project manager in ITSM
IT system engineer
Network management (IPv4 and IPv6)
IT documentation
Business management
IT server administration
Service desk management

Oct 2022 - Oct 2023

1 year 1 month

Project Manager / IT System Engineer IT Infrastructure

Client belongs to critical infrastructure (BSI)

Consulting and governance of IT infrastructure: definition of policies, KPIs and metrics for continuous performance and cost control
Current-state analysis and target concept: systematic capture of infrastructure topology, operating system and storage versions as well as virtualization platforms; gap analysis and benchmarking
Implementation and operation of Windows Server clusters (2016/2019), SAN and NAS storage systems (NetApp, EMC) and virtualization environments (VMware vSphere, Hyper-V)
Automation of deployments and configuration management using Ansible and PowerShell DSC
Design, planning and implementation of the transition from Layer-2 switching and Layer-3 routing from IPv4 to IPv6 with dual-stack, 6to4 tunneling and NAT64/DNS64
Act as mediator between business units, IT specialist teams and external service providers; agile methods (Scrum/Kanban) documented in Jira and Confluence
Introduction of an iterative project approach in Jira Service Management; coordination of CAB meetings according to ITIL v3/v4
Planning of a modern digital workplace: unattended installations with Baramundi, support strategies for Skype for Business and Teams in parallel operation, self-service portals
Definition of test and review scenarios in the quality assurance manual; automated KPI reports in ServiceNow
Development of process and network blueprints for on-premises data centers and Azure Entra ID-based cloud environments
Adaptation of incident, change and problem management processes; creation of runbooks and emergency playbooks; table-top exercises
2nd/3rd level support and CAB membership for infrastructure and CMS/CMDB tickets

Skills

Previous Positions

It Service Manager
It Infrastructure Manager (Data Center)
It Analyst
It Service Delivery Manager
It Project Manager / Service Desk Lead
Network Specialist
Data Center Technician
It System Engineer

Core Competencies

18 Years As An It Project Manager In Itsm, It System Engineering, It Documentation, Data Centers, It Business Management, Administration, Service Desk Management, Mcse And Microsoft Certified Trainer (Mct), Active Directory / Agdlp
9 Years In It Business Management, It System Engineering, Network Management, Support And Training
8 Years In It Configuration (Cms/cmdb – Fnt/servicenow/bmc Atrium)

Industries

Educational Institutions
Finance
Insurance
It / Technology
Mechanical And Plant Engineering
Media / Entertainment
It Service Management
Food Industry
It Provider
Banking
Automotive Industry
Federal Institutions
Public Sector

Technical Skills

Operating Systems: Ios, Linux, Vmware Esx (I), Winnt, Windows 9x, Windows 2000, Windows Xp, Windows 7, Windows 10 & 11
Programming Languages: Assembly, Basic, C, C++, Etl, Jenkins, R, Scripting, Sql
Databases: Cmdb, Ms Access, Ms Sql, Oracle Db, Sql Server, Sql Server 2016
Networking: Access, Bgp, Cisco Routers, Dhcp, Eigrp, Ospf, Is-is, Rip & Ripng, Ethernet, Firewalls, Gateways, Ipsec, Ipv4, Ipv6, Lan, Link Aggregation, Mpls & Mpls-te, Sdn (Software Defined Network), Sdn Controller – Routing, Netflow, Network General, Qos, Routers, Ssl, Stp, Switches, Vlan, Vpn, Wan, Switching And Routing (Ipv4 & Ipv6)
Tools: Entra Id, Azure, Azure Active Directory, Active Directory (Ad)/agdlp, Citrix, Command, Crm, Erp, Lotus Domino Server, Lotus Notes, Oracle Sql Developer, Pki, Remedy, S/mime, Servicenow, Vmware
Hardware: Cisco, Fujitsu, Hp, Ibm, Netapp, Dell
Software: Cloud, Confluence, Jira, Entra Id (Ms Azure), Ms Endpoint Configuration Manager (Ecm Formerly Sccm), Ms Exchange 5.5, Ms Office, Ms Office 2010, Ms Office 2016, Ms Outlook, Ms Project, Ms System Center Configuration Manager (Sccm), Ms Teams, Ms Visio, Nintex Workflow 2013, Sharepoint, Skype For Business, Sophos
Sap: Sap (Fi/co)
Methods: Consulting, Analysis, Project Management, Microsoft 365 Admin Center, Microsoft Exchange Admin Center, Microsoft Teams Admin Center, Microsoft Azure Admin Center, Microsoft Power Platform Admin Center, Microsoft Ad Admin Center, Baramundi Management Suite (Bms), Elpline For It Service Management (Itsm) And Customer Service Management (Csm), Configuration Management, Itil, Itil V3, Itsm (It Service Management), Migration, Monitoring, Packaging, Prince2, Problem Management, Project Management, Requirements Engineering, Roll-out, Scrum, Security, Service-oriented Architecture (Soa), Single Sign-on (Sso), Software Distribution