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
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
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
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
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
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
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
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
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
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
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
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
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.
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