Mustafa Kederoglu

Senior Network Design And Engineer

Frankfurt am Main, Deutschland

Erfahrungen

Feb. 2020 - Bis heute
5 Jahren 4 Monaten
Frankfurt, Deutschland

Senior Network Design And Engineer

Helaba

  • Design and specification of the technical network integration of a new business critical application system (MUREX) in the capital market area in a complex interface and outsourcing environment

  • Creation of component specifications, catalog of measures and implementation plan

  • Ensuring the proper integration of the developed results in accordance with the bank framework (IT compliance, IT security, change and release management)

  • Selecting and integrating a new service provider, moving critical bank applications to the provider, and designing, implementing and supporting a new Cisco network and Fortinet security setup at the service provider data center

  • Acting as a competent technical interface between bank, service providers and consulting partners

  • Supporting and further developing the network and security infrastructure (clients, servers, networks) including error analysis and implementation of solutions within agreed service levels

  • Analyzing and diagnosing all security and network failures, glitches and malfunctions

  • Initiating continuous enhancements for efficient resource utilization and acceptable response times

  • Providing network support in financial service organization and operational change preparation on production banking network infrastructure for projects of different sizes

  • Defining, testing, governing and improving engineering standards

  • Performing the role of network architect for medium to large projects where team resources are involved

Juli 2013 - Okt. 2023
10 Jahren 4 Monaten
Deutschland

Senior Network And Firewall Analyst/ Design/Architect And Engineer

DVAG

  • Designed and implemented network/firewall solutions and managed data center projects

  • Created network and firewall design documentation and migrated Cisco network and Palo Alto PA-7050 firewall environments

  • Deployed large scale Nexus N7K based data center solution leveraging VDC and vPC technologies

  • Deployed large scale Nexus N9K based data center solution leveraging vPC and VRF technologies

  • Designed and implemented FortiGate 3301E firewall cluster at data center sites in Germany

  • Developed network solutions encompassing WAN, LAN and security

  • Evaluated customer requirements, provided consulting and prepared service descriptions and solution designs during the presales phase

  • Acted as competent interface between customers, service providers and partners

  • Supported and enhanced security infrastructure (clients, servers, networks) including error analysis and solutions implementation

  • Created performance reports and RFOs (Reasons for Outages)

  • Facilitated vendor, supplier and IT team coordination in resolving security, network and system issues

  • Designed, configured and deployed Microsoft Azure network solutions; planned and executed migrations of customer on-premises data center applications to Microsoft Azure

Okt. 2012 - Dez. 2020
7 Jahren 3 Monaten
Singapur

Senior Network And Firewall Analyst/ Design/Architect And Engineer

PricewaterhouseCoopers AG

  • Designed and implemented network/firewall solutions and managed data center projects

  • Created network and firewall design documentation and migrated Cisco network and Juniper firewall environments

  • Designed and deployed large scale Nexus N7K based data center solution leveraging VDC, vPC and VRF technologies

  • Implemented Juniper SRX-650 clusters at data center sites in Germany, USA and Australia

  • Designed and implemented Cisco ACE load balancer within data centers in Germany

  • Deployed F5 BIG-IP LTM load balancer in data centers in Germany, USA, Singapore and Australia

  • Designed and deployed large scale Nexus N9K based data center solution leveraging VDC, vPC and VRF technologies

  • Delivered large scale Cisco SDWAN data center solution across EMEA, APAC and USA

  • Deployed and migrated over 100 sites across EMEA and APAC to Cisco SDWAN Viptela device series

  • Deployed Azure VPN with Cisco routers and portal, created virtual networks in Azure with individual public gateways and administered Azure network globally for Europe, USA and Asia

  • Conducted knowledge transfers regarding security and network configuration awareness

Juli 2009 - Dez. 2009
6 Monaten
Olten, Schweiz

Network Architect And Analyst

ALPIQ

  • Designed and integrated three data centers across Switzerland on the basis of the NEXUS 7010 (N5K & N2K) platform

  • Developed migration concepts for server and client access switches to the Nexus 7010 environment

  • Designed and implemented a new MPLS backbone and network across Switzerland and Europe

  • Responsible for IP network design for ALPIQ AG hosted in multiple Swiss data centers and supported service product introduction as IP designer and planner

  • Analyzed network requirements from business service integration projects and maintenance demands

  • Documented network integration extensively in 'Product Network Design' and 'System Network Design' documents in English and German

  • Aligned network design with system architects, security, transport network planning, testing and operations

  • Developed switch, router, load balancer and firewall configurations and documented them in the Configuration Management Database

  • Coordinated and troubleshooted change requests and small maintenance projects from initiation to final delivery with reporting

  • Supported the planning project lead in service integration projects

Jan. 2009 - Sept. 2012
3 Jahren 9 Monaten
Deutschland

Senior Network And Firewall Analyst/ Design/Architect And Engineer

Credit Suisse

  • Designed and implemented network/firewall solutions and managed data center projects

  • Created network and firewall design documentation and migrated Cisco network and Juniper firewall environments

  • Deployed large scale Nexus N7K based data center solution leveraging OTV, VDC, vPC and VRF technologies

  • Implemented Juniper SSG-550 stretched cluster based data center solution

  • Designed and implemented Cisco ACE load balancer within German data centers

  • Managed request for proposals, design, implementation and support of the MPLS backbone network across German sales offices

  • Deployed end-to-end quality of service (QoS) architecture for the MPLS core network

  • Rolled out and implemented Riverbed Steelhead WAN optimisers in Germany

  • Performed multiple IOS/CatOS software upgrades on over 100 Cisco devices in Germany and Luxembourg to address security vulnerabilities

  • Introduced and implemented RunIP appliances and coordinated with Global Engineering to ensure compliance with network standards

  • Supervised and managed all planned network infrastructure installations including version control, proof of concept and production handover documentation

  • Actively participated in improving and automating the installation and provisioning processes including change control, release control and deployment activities

  • Developed and maintained comprehensive project documentation and status reports while collaborating with engineering and operations teams

  • Governed supplier activities for the projects

Jan. 2004 - Dez. 2009
4 Jahren
London, Vereinigtes Königreich

Network And Firewall Analyst And Engineer

Credit Suisse

  • Provided high level technical support for the corporate data network and e-commerce infrastructure

  • Configured, managed and monitored multi-tiered DMZs using Cisco routers, switches and Netscreen firewalls to establish routing and security policies

  • Created plug proxies on UNIX bastion firewalls and implemented virus scanner integrations to enable secure communications between corporate network, DMZ and the internet

  • Managed Bluecoat Cacheflows by modifying policies and forwarding files to optimize bandwidth and performance

  • Implemented load balancing solutions using Cisco Content Switches, Global Site Selectors, distributed directors and local directors for fault tolerance and failover for web and application server farms

  • Made tactical adjustments to Netscreen and Nokia Checkpoint-NG firewalls in response to market data and exchange service change requests

  • Formulated and implemented various security solutions including standard and extended access-lists, network address translations (NAT) and VPN connections for third party clients

  • Used network management tools such as Spectrum, Concord and Netflow for daily health checks and anomaly detection

  • Remotely accessed European branch networks and router logs to isolate outages, performance issues and intermittent device behavior

  • Maintained and supported a range of Cisco routers (2500, 3600, 4000, 7200 series) and Catalyst switches (5000, 5500, 6500 series)

  • Performed multiple IOS/CatOS upgrades on over 1000 Cisco devices across the UK and Europe to address security vulnerabilities

  • Organized QIP database for IP address allocation and management, and coordinated with Global Engineering to ensure adherence to network standards

Juli 2004 - Dez. 2004
6 Monaten
Frankfurt, Deutschland

Network And Firewall Engineer

Credit Suisse

  • Created design documents and performed installation and configuration of Cisco network environments during the relocation of CS(D) AG from MesseTurm to Cielo building at Theodor-Heuss-Allee

  • Provided support and consultation regarding Cisco networks

  • Monitored and troubleshooted Cisco networks in distributed systems in an operational and production environment with custom applications and standard client-server software

  • Solved TCP/IP based LAN/WAN issues using Cisco routers, switches, Cisco IOS and Cisco Works

  • Configured Checkpoint Firewall NG HA and implemented VPN solutions

  • Worked with routing/switching protocols including RIP, OSPF, BGP, HSRP, and STP

  • Produced technical documentation covering requirements specification, design proposals, test specifications and acceptance test plans

Jan. 2004 - Juni 2004
6 Monaten
Frankfurt, Deutschland

System- Und Network Specialist

mcs IT-Services GmbH

  • Provided support and consultation regarding HP, SUN and IBM SAN solutions

  • Installed and configured offered SAN environments and set up a backup concept using Veritas Netbackup

  • Produced operating guidance manuals, tests and test reports

Juli 2001 - Dez. 2004
2 Jahren 6 Monaten
Frankfurt am Main, Deutschland

System- Und Network Specialist

DB Systems GmbH

  • Supported and consulted on specialist areas regarding standard software including Bea WebLogic, Apache, Tomcat and JRE and Oracle installations

  • Produced operating guidance manuals and conducted tests with test reports

  • Implemented Citrix Extranet Server (VPN) including an IPSEC based VPN and concept for handling accounting data via the Internet based on Citrix Extranet and ACE/Server

  • Installed and parameterized hardware and software platforms and produced administration, use and management manuals

  • Planned and implemented Citrix NFuse (K3/K2 Connection)

  • Supported and extended an existing Citrix MetaFrame 1.8 farm along with Citrix terminal server XP integration and performance monitoring

Okt. 1999 - Juni 2001
1 Jahr 9 Monaten
Frankfurt am Main, Deutschland

Network Specialist And Technical Project Leader

Union IT-Services GmbH

  • Planned and introduced an HP OpenView based network management system with Ciscoworks and Telealert management tools

  • Procured, installed and parameterized hardware and software for the system

  • Introduced Checkpoint Firewall-1 system in Luxembourg including procurement, installation and parameterization

  • Planned and deployed a Desktalk WAN/LAN reporting system using Desktalk Trend Software and Trendweb

  • Managed permanent change of station of the head office by restructuring the active network infrastructure and converting token loop network to Ethernet for approximately 500 users

  • Implemented IGEFI “MultiFonds” fund administration software for Luxembourg, Frankfurt and Switzerland including adjustments, Germanisation and standardisation of fund bookkeeping processes

  • Centralized and outsourced the bank operation system “MultiFonds”

  • Provided technical and personnel guidance, controlled development activities and ensured project completion within date, cost and quality requirements

Okt. 1996 - Sept. 1999
3 Jahren
Zürich, Schweiz

Network Specialist

Credit Suisse First Boston AG

  • Planned and introduced an HP OpenView based network management system in Frankfurt

  • Implemented a new user help-desk system based on Remedy software for 400 users

  • Planned and extended the Xetra and Eurex network infrastructures for 20 dealers

  • Coordinated Y2K projects for commercial systems including Triarch, Reuters, open Bloomberg and RTD

  • Restructured the LAN in Frankfurt based on Cisco/3Com routers and switches/hubs

  • Introduced remote access services based on Ascend routing and Ace/Radius server for 150 users across FFM, London, Zurich and Tokyo

  • Implemented Checkpoint Firewall-1 and SUN/Nokia systems for various international locations (FFM, London, Zurich, New York, Madrid, Tokyo, Moscow)

  • Planned and introduced IP management systems based on NetID software and SUN Ultra hardware for 400 users in Frankfurt and London

Mai 1994 - Sept. 1996
2 Jahren 5 Monaten
Frankfurt, Deutschland

Network Specialist

Wayss & Freytag AG

  • Planned and introduced a new network management system based on HP OpenView

  • Restructured the network in the head office in Frankfurt using Cisco routing and Fore System switches with optical waveguide cable connections

  • Developed a backup concept for the head office using CITAM adapters

  • Provided IT reorientation by conceptual service/system administration for Windows NT, Sun Solaris and VAX VMS environments (supporting 400 users)

  • Designed and implemented a DNS server on IBM RS/6000 for the head office and twelve branch offices

  • Managed the relocation of the complete computing centre including LAN/WAN planning using Cisco routers and switches

  • Restructured address management in Berlin, Düsseldorf, Hamburg and Munich on the basis of Cisco routers and Lannet hubs

Zusammenfassung

Motivated and practical with a pronounced sense for simplification and automation. Speaks the language of the users. An experienced senior network designer and architect, project manager/project leader. Systematic and methodical in all functions.

Sprachen

Deutsch
Muttersprache
Englisch
Verhandlungssicher
Türkisch
Verhandlungssicher

Ausbildung

University of Darmstadt

Dipl. Informatiker · Computer Science · Darmstadt, Deutschland

Zertifikate & Bescheinigungen

Building Cisco Multilayer Switches Networks

Cisco Building Scalable Cisco Networks

Cisco Certified Design Professional (CCDP)

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)

ICNX5 (Cisco Nexus 5K & 2K)

Global Knowledge, London

Project Projektmanagementfachmann (RKW/GPM)

Sun Solaris Administration 1 ASADM1

Sun Solaris Administration 2 ASADM2