Mustafa Kederoglu-Senior Network Design and Engineer
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Experience
Senior Network Design and Engineer
Helaba
Designed and specified the technical network integration of a new business-critical application system (MUREX) in the capital markets area in a complex interface and outsourcing environment.
Created component specifications, a catalog of measures and an implementation plan.
Ensured proper integration of the developed results in line with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between the bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous improvements to ensure efficient resource use and acceptable response times for users.
Provided network support in a financial services organization and prepared operational changes on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed the role of network architect for medium to large projects involving team resources.
Senior Network and Firewall Analyst/ Design/Architect and Engineer
DVAG
Designed and implemented network/firewall solutions and managed data center project management; responsible for design, architecture, implementation and 3rd level support of the data center networking landscape.
Created network and firewall design documentation and migrated Cisco network and Palo Alto PA-7050 firewall environments.
Designed and deployed large-scale Nexus N7K and N9K based data center solutions leveraging VDC, vPC and VRF technologies.
Implemented a FortiGate 3301E firewall cluster at data center sites in Germany.
Conceived and implemented network solutions for WAN, LAN and security; evaluated customer requirements, consulted and prepared service descriptions and solution designs during the presales phase.
Served as the interface between customers, service providers and partners.
Supported and further developed the security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Created performance reports and RFOs (Reason for Outages); analyzed and diagnosed all security and network failures.
Coordinated with vendors, suppliers and IT teams to resolve security, network and systems faults or upgrades; ensured support contracts for all security and networking equipment services were renewed and maintained.
Monitored system alerts and security log messages from security and networking equipment and took appropriate actions.
Designed, configured and deployed Microsoft Azure network for multiple applications; planned and migrated on-premises data center/applications to Microsoft Azure; deployed and configured network and firewall settings.
Senior Network and Firewall Analyst/ Design/Architect and Engineer
PricewaterhouseCoopers AG
Designed and implemented network/firewall solutions and managed data center project management; responsible for design, architecture, implementation and 2nd level support of the client’s data center networking landscape.
Created network and firewall design documentation and migrated the Cisco network and Juniper firewall environments.
Designed and deployed large-scale Nexus N7K and N9K based data center solutions leveraging VDC, vPC and VRF technologies.
Implemented Juniper SRX-650 clusters at data center sites in Germany, USA and Australia.
Implemented Cisco ACE and F5 BIG-IP LTM load balancers within data center sites in Germany, USA, Singapore and Australia.
Designed and deployed a large-scale Cisco SDWAN data center solution leveraging EMEA, APAC and USA locations; migrated over 100 sites across EMEA and APAC to Cisco SDWAN Viptela devices.
Deployed Azure VPN with Cisco routers and portal; created virtual networks in Azure each with its own public gateway; administered Azure network globally for Europe, USA and Asia.
Conducted knowledge transfers to team members regarding security and network configuration awareness.
Network Architect and Analyst
ALPIQ
Designed and integrated three data centers across Switzerland based on Nexus 7010 (N5K & N2K) platform.
Developed migration concepts for server and client access switches to the Nexus 7010 data center environment.
Designed and implemented a new MPLS backbone and network across Switzerland and Europe.
Served as IP network designer and planner for ALPIQ AG service product introduction; supported IP network design in various Swiss data centers.
Analyzed network requirements from business service integration projects and maintenance needs (end-of-life replacement, design optimization).
Documented network integration extensively in Product Network Design and System Network Design documents (English and German).
Aligned network design with system architects, security, transport network planning, testing and operations.
Developed and designed switch, router, load balancer and firewall configurations; documented the configuration in the Configuration Management Database.
Coordinated and troubleshot the execution of change requests and small maintenance projects in data centers from initiation to final delivery; produced project reporting.
Supported the planning project lead in service integration projects.
Senior Network and Firewall Analyst/ Design/Architect and Engineer
Credit Suisse
Designed and implemented network/firewall solutions and managed data center project management; responsible for design, architecture, implementation and 2nd level support of the client’s data center networking landscape.
Created network and firewall design documentation and migrated Cisco network and Juniper firewall environments.
Designed and deployed a large-scale Nexus N7K based data center solution leveraging OTV, VDC, vPC and VRF technologies.
Designed and implemented a Juniper SSG-550 stretched cluster based data center solution.
Implemented a Cisco ACE load balancer within data center sites in Germany.
Created the request for proposal, design, implementation and support of an MPLS backbone network across German sales offices; deployed an end-to-end QoS architecture and strategy for the MPLS core network.
Rolled out and implemented Riverbed Steelhead WAN Optimizers in Germany.
Performed multiple software upgrades (IOS/CatOS) across all Cisco platforms for 100+ devices in Germany and Luxembourg to fix security vulnerabilities.
Introduced and implemented RunIP appliances in Germany; coordinated with Global Engineering to ensure all network devices conformed to defined standards.
Supervised and managed planned network infrastructure installations including version control, proof of concept and successful production handover.
Participated in the improvement and automation of the installation and provisioning process for services and infrastructure; coordinated change control, release control and deployment activities.
Developed and maintained complete documentation and status reports; collaborated closely with engineering and operations teams; managed the involved suppliers.
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-tier DMZs using Cisco routers and switches, and Netscreen firewalls for routing and security policies.
Created plug proxies on UNIX Bastion firewalls and Sidewinder virus scanners to allow communication between the corporate network, DMZ and Internet.
Managed Bluecoat Cacheflows by changing policy and forwarding files to optimize bandwidth and browsing performance.
Implemented load balancing solutions using Cisco Content Switches, global site selectors, distributed directors and local directors for fault tolerance and failover of web and application server farms.
Made tactical changes to Netscreen and Nokia Checkpoint-NG firewalls in response to market data and exchange services firewall change requests.
Implemented security solutions including standard and extended access lists, NAT and VPN connections to third-party clients.
Used network management tools (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 behavior of network devices.
Maintained and supported Cisco 2500, 3600, 4000 and 7200 series routers, and Catalyst 5000, 5500 and 6500 series switches.
Performed multiple software upgrades (IOS/CatOS) across more than 1000 devices in the UK and Europe to fix security vulnerabilities.
Organized the QIP database for IP address allocation and management; coordinated with Global Engineering to ensure network devices met defined standards.
Assisted with office relocations in Frankfurt: infrastructure design, construction, deployment and evaluation; managed subnet assignments, IP address control, IPT rollout and out-of-band connectivity for Windows and UNIX servers.
Deployed and supported Juniper Netscreen firewalls and Cyclades AlterPath terminal servers; provided 2nd and 3rd line support.
Completed new office network installations (Berlin, Bielefeld, Braunschweig, Bremen, Düsseldorf, Frankfurt, Hamburg, Hannover, Köln, München, Nürnberg, Regensburg, Stuttgart).
Worked on proactive monitoring and support of electronic trading applications; analyzed complex problems using network management tools and data.
Network and Firewall Engineer
Credit Suisse
Relocated CS(D) AG from MesseTurm to the Cielo building on Theodor-Heuss-Allee: created design documents and carried out installation and configuration of Cisco network environments.
Provided support and advice to customers regarding Cisco networks; monitored and troubleshooted Cisco networks in distributed systems in operational and production environments with custom applications and strict change control.
Solved problems on TCP/IP-based LAN/WAN environments with Cisco routers, switches, IOS and CiscoWorks.
Configured Checkpoint Firewall-NG HA and implemented VPN.
Worked extensively with routing and switching protocols: RIP, OSPF, BGP, HSRP, STP.
Produced technical documentation supporting all life cycle phases: requirements specifications, design proposals, test specifications and acceptance test plans.
System- and Network Specialist
mcs IT-Services GmbH
Supported and advised customers regarding HP, SUN and IBM SAN solutions; installed and configured SAN environments.
Provided and set up a backup concept with Veritas NetBackup; produced an operating guide manual, tests and test reports.
System- and Network Specialist
DB Systems GmbH
Supported and advised specialist areas regarding Bea WebLogic 6.1/7.0, Apache 1.3.27, Tomcat 4.1.18; installed the required software including JRE 1.3 and Oracle 8.1.7/9.2; produced an operating guide manual and test reports.
Implemented Citrix Extranet Server (VPN) with IPSEC-based VPN and accounting data concept via Internet using Citrix Extranet 2.0.1 and ACE/Server 5.0; installed and configured the hardware/software platform; produced administration and management manuals and test reports.
Implemented Citrix NFuse (K3/K2 Connection) portal across the network using Citrix NFuse 1.6.1, Apache 1.3.27, JServ 1.1.2, JSP 1.0.1, JSDK 2.0.
Supported and expanded Citrix MetaFrame 1.8 farm; rebuilt and extended the company standard on Citrix Terminal Server XP; administered existing systems, prepared new servers and applications, adapted applications for terminal server, monitored and improved performance; produced an operating guide manual.
Network Specialist and Technical Project Leader
Union IT-Services GmbH
Planned and introduced the HP OpenView network management system with CiscoWorks and TeleAlert: procured hardware/software, installed and configured the platform.
Planned and introduced Checkpoint Firewall-1 in Luxembourg: procured hardware/software, installed and configured the platform.
Planned and introduced Desktalk Trend and TrendWeb WAN/LAN reporting systems: procured hardware/software, installed and configured the platform.
Restructured the active network infrastructure during the head office relocation; converted the token loop network to Ethernet for about 500 users.
Implemented IGEFI MultiFonds fund administration software for Luxembourg, Frankfurt and Switzerland; adapted, Germanized and standardized business processes; centralized and outsourced the system to bws; provided technical and personnel guidance to the team, controlled development activities and deadlines; developed suggestions to improve cost efficiency, productivity and flexibility; promoted coworkers' technical, methodical and social skills; participated in staffing needs analysis, selection, estimation and salary setting; responsible for project infrastructure, organization and successful on-time, on-budget and on-quality completion.
Planned and introduced the Vitria BusinessWare DAMA II enterprise application integration tool: procured hardware/software, installed and configured the platform.
Planned and introduced the DataWarehouse on SAS TS060 Rel. 6.12 on SUN E4501: procured hardware, installed and configured the platform.
Cooperated in the preliminary study of an order management system (Fondsmanager).
Network Specialist
Credit Suisse First Boston AG
Planned and introduced HP OpenView network management system in Frankfurt.
Planned and introduced User-Help-Desk management/UHD system based on Remedy software in Frankfurt for 400 users.
Planned and extended Xetra and Eurex network infrastructures for 20 dealers.
Coordinated Y2K project for commercial systems Triarch, Reuters, Bloomberg and RTD.
Restructured LAN based on Cisco/3Com routers and 3Com switches/hubs in Frankfurt.
Planned and introduced remote access services using Ascend routing and ACE/Radius server for 150 users (FFM, London, Zurich, Tokyo).
Planned and introduced Checkpoint Firewall-1 and SUN/Nokia systems in 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 (FFM, London).
Network specialist
Wayss & Freytag AG
Planned and introduced HP OpenView network management system.
Restructured head office network using Cisco routing and Fore Systems switches with optical waveguide cable connections.
Designed WAN backup concept based on CITAM adapters.
Designed service/system administration for Windows NT, Sun Solaris and VAX VMS for 400 users.
Conceived and implemented DNS server based on IBM RS/6000 for head office and twelve branch offices.
Relocated computing centre; responsible for LAN/WAN based on Cisco router and switches.
Restructured network addresses for Berlin, Düsseldorf, Hamburg and Munich using Cisco routers and Lannet hubs.
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Professional Services, Information Technology, Construction, and Energy.
Business Area Experience
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Experienced in Information Technology, Project Management, Operations, and Business Intelligence.
Summary
30 Years Work Experience
15 Years Project Experience
10 Years Management Experience
Computer working since 1988
Foreign experience in international projects at Credit Suisse in London, Zurich, Luxembourg and Frankfurt
International project at ALPIQ in Olten (Switzerland)
International project at PwC in Atlanta, Singapore, Prague and Frankfurt
International project at Symantec in Silicon Valley, London and Amsterdam
Motivated and practical with a strong focus on simplification and automation
Speaks the language of the users
Experienced senior network designer and architect, project manager/project leader
Systematic and methodical in all functions
Project leader with in-depth project management knowledge and project management specialist (RKW/GPM)
IT consultant in the areas of networks, security, systems, Internet and Intranet: system, network and security integration; software implementation/migration; data management; systems re-engineering; system development; planning and implementation from testing; training & documentation
Network and system consultant in the areas of data center network/security and system design, implementation and administration
Skills
Operating Systems
- Sunos And Solaris
- Ibm Aix And Hp Ux
- Suse Linux
- Windows 2000 (Server/Client)
- Windows 2012, 2016 And 2019 Server
- Windows Nt (Server/Client)
- Windows 95, 98 And Me
- Windows Xp, Windows 7 And 10
- Novell Netware 3.X, 4.X, 5.X
Operating Systems Software / High Availability Systems
- Veritas Volume Manager
- Vertitas Cluster
- Veritas Filesystem
- Sun Cluster
- Solstice Disk Suite
- Windows Nt/2000 Terminal Server
- Citrix Metaframe 1.8 And Xpe
Hardware
- Sun Ultra 1 & 2, E220, E450, E4501 To E10k
- Sun Storage Array
- Emc Symmetrix 8730
- Cisco 6500, 5500, 5000, 3750, 4000, 2900 And 1900 Catalyst Switch Series
- Cisco 7500, 7200, 4500, 3600, 2600, 2500 And 1600 Router Series
- Cisco Csm And Ace 20 Load Balancer
- Cisco Nexus N9k, N7k, N5k And N2k Switch Series
- Fore Systems Atm Switch Series
- Triarch Ssl4, Reuters 3000, Dacs 4.2.1, Ams 7.2 And Isfs 4.1.2 Platforms
- Network Appliance Fileserver
- Juniper Netscreen Firewall And Nsm Series
- Riverbed Steelhead Wan Optimizer 1050 And 5050 Series
- Cyclades Acs Terminal Server Series
- Lantronix Slc-8000 Terminal Server Series
- Viptela 100, 1k, 2k And 5k Sdwan Series
Software
- Citrix Nfuse And Citrix Extranet
- Ace, Ise 2.4.0 And Radius Server
- Bea Weblogic Server 6.1 And 7.0
- Apache Server, Jserv, Tomcat, Jsp, Jsdk
- Checkpoint Firewall-1 And Ng
- Nokia Checkpoint Firewall Ios
- Netscreen Firewall Ios And Nsm
- Palo Alto And Panorama 8.1.9
- Riverbed Rios 6.1.4
- Hp-Openview, Ciscoworks And Telealert
- Vitria Enterprise Application & Integration Tool Bussinesware
- Datawarehouse On The Basis Sas-System Rel. 6.12
- Desktalk Trendsoft And Trendweb
- Remedy Action Request (Uhd-Software)
- Net-Id (Qip) Ip-Management Server Software
- Lucent Vital Qip Ip Management Software
- Ipam Solarwinds Ip Management Software
Database
- Oracle
- Sybase
- Ms Sql Server
- Ms Access
- Lotus Notes
Security Products
- Ise, Acs, Tacacs, Radius, Ipsec And Ssh
Network Technologies
- Switches, Router, Cisco, 3com, Ascend
- Atm, Fddi
- Dataline (X.25, Hdlc, Sdlc, Isdn, Frame Relay And Ddv)
- Lan (Token-Ring, Ethernet, Fast Ethernet, Gigabit Ethernet, 10 Gigabit Ethernet)
- Ip Routing (Ospf, Rip, Eigrp, Igrp, Bgp V4)
- Multicast Routing: Pim
- Multicast Application: Smartpgm
- Iso Routing (Clns, Is-Is, Es-Is, Integrated Is-Is)
- Ipx Routing (Ipx-Rip, Nlsp, Eigrp For Ipx)
- Proxy, Firewalls
- Timing Systems: Gps And Ntp
- Mail (Qmail, Sendmail, Fetchmail, Procmail), Dns, Snmp
- Ipsec, Vpns, Mpls, Voip, Qos End To End
- Windows Network: Wfw, Win95, Win98, Winme, Win Nt, Win 2000, Win Xp, Win 7, Win 10
Network Test Tools
- Wireshark, Wildpackets, Nai Sniffer Configuration And Usage
Network Management Tools
- Solarwinds
- Spectrum
- Hp Openview
- Rmon And Snmp Configuration And Usage
Internet Technology
- Bea Weblogic Server
- Tomcat
- Gnujsp
- Citrix Nfuse
- Xml
- Apache Server
- Jserv
- Java, Jsp, Servlets, Beans
Program Languages
- Shell Scripting
- C/C++
- Java, Perl, Php, Html, Xml
Methodology/Tools/Soft Skills
- Production Of It Strategies, Business Cases And Feasibility Studies
- Process Analysis And Design
- Requirement Availability Using Volere
- Project Management And Project Controlling
- Production Of Service Level Agreements (Sla/Ola)
- Coaching, Change Management, Moderation, Creativity Techniques
Banking Systems
- Igefi Multifonds
- Ser V3.Fonds
- Aquin Mig 21
- Aquin Rbk
- Rtd Trade System Software
- Reuters Triarch System
Market Data - Providers
- Wm, Open Bloomberg
- Reuters, Telekurs
Voice Support
- Avaya Site Administration Client Software 5.2 Tool
- Avaya Desktop Telephone User Support, Installation And Configuration Including Avaya Models 4610, 4621, 9608, 9630, 9650
- Avaya Dect Support Including Wireless Access Points
Languages
Education
University of Darmstadt
Dipl. Computer Scientist · Computer Science · Darmstadt, Germany
Certifications & licenses
Cisco Certified Design Professional (CCDP)
Cisco Certified Network Associate (CCNA)
Cisco Certified Network Professional (CCNP)
ICNX5 (Cisco Nexus 5K & 2K)
Global Knowledge, London
Project Management Specialist (RKW/GPM)
Sun Solaris Administration 1 ASADM1
Sun Solaris Administration 2 ASADM2
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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