On-site implementation and upgrade of life cycle infrastructure for a global partner of a Hays client.
On-site implementation for international sites in APAC & AMER.
Carried out on-site life cycle infrastructure upgrades for sites IN-NDA, IN-MOX, US-CAX, US-MOT, CN-YAN, and IN-MOR according to client requirements. This included project management, administration, network design, optimization, as well as planning and installing redundant OM4 and OS2 fiber and redundant power.
Designed, upgraded, and migrated data centers for the above sites, including international travel to the USA and India.
Led and supervised the network team and provided remote and on-site support for cabling work.
Created network documentation, including L2 and L3 Visio diagrams, IP address planning, network patch plans, power plans, bayface layouts, access point layouts, ISP carrier layouts, data center planning, downtime planning, hardware checklists, network device configurations, implementation, test plans, and bid reviews.
Extensive experience with Cisco hardware, including switches (9200, 9300, 9400, 4500, 3850, and 2960 series), WLC (9800, 5505, 3504, and 2800 series APs), ASA (55xx series), and NG Firepower (1010, 1120).
Maintained documentation, including Netbox, PRTG monitoring, RADIUS, DNS, DHCP, KX handover sessions, troubleshooting, and training.
Life Cycle Technical Guide & Control
Jan 2023 - Present
2 years 10 months
Neu-Isenburg, Germany
IT Infrastructure Network Analyst
Logicalis GmbH
Led and managed design and coordination for life cycle IT infrastructure upgrades for a global partner of Logicalis clients.
Managed international sites across AMER, EMEA, and APAC.
Conducted site surveys and created BOMs (Bill of Materials) and cabling scopes for sites US-MOT, US-CAM, US-CAX, IN-NDA, IN-MOR, CN-YAN, CN-WXI, DE-NBA, and DE-HAM according to client requirements. This included creating network L2 and L3 Visio diagrams, IP address plans, network patch plans, power plans, bayface layouts, access point layouts, data center planning, DC layouts, hardware lists, network device configurations, implementation plans, test plans, and bid reviews.
Extensive experience with Cisco hardware, including 9200, 9300, 9400, 4500, 3850, and 2960 switches, as well as WLC 9800, 5505, 3504, 2800 series APs, ASA 55xx, and NG Firepower 1010, 1120.
Jan 2019 - Dec 2022
4 years
Weinheim, Germany
Global IT Infrastructure Analyst Network
Vibracoustic AG & Co. Kg
Designed and coordinated infrastructure upgrades for new sites: managed upgrades for new locations in the USA, China, Turkey, Romania, Sweden, and other countries (CN-CHQ, US-DET, US-YSH, TR-BEL, TR-BSA) according to VC standards. Tasks included network L2 and L3 Visio diagrams, IP address planning, network patch plans, power plans, bayface layouts, access point layouts, hardware lists, network device configurations, implementation, test plans, and handover documentation.
Global WAN migration project: led the global WAN migration project, including rollout, coordination, and migration. Successfully migrated 53 of 53 Vibracoustic sites from Verizon to the new MPLS provider GCX worldwide.
IS upgrades carried out: performed IS upgrades for the DE-HAM site. Carried out life cycle IS upgrades for sites SE-FOR and RO-DEJ.
Cisco hardware expertise: extensive experience with Cisco hardware, including switches (9200, 9300, 9400, 4500, 3850, and 2960 series), WLC (9800, 5505, 3504, and 2800 series APs), ASA (55xx series), and NG Firepower (1010, 1120).
Jun 2015 - Dec 2018
3 years 7 months
Breuberg, Germany
Global IT Infrastructure Analyst Network
Trelleborg Vibracoustic Automotive Germany GmbH
Successfully carried out infrastructure upgrades worldwide: completed 9 on-site infrastructure upgrades at various locations, including India (NDA, MOH), Brazil (TAE), China (YAN, SHA, WXI), Frankfurt (DC), Poland (KOM), and Japan (YOK). These projects covered sites of all sizes, from small offices to large facilities and data center moves. Responsibilities included travel, coordination, network design, L2 and L3 Visio diagrams, IP address planning, network patch plans, power plans, bayface layouts, hardware lists, network device configuration, implementation, and handover documentation.
Coordinated infrastructure hardware upgrades: managed the upgrade of Cisco switch series for sites DE-NBG, DE-HAM, and TR-CER.
Previous role in LAN and WAN support: provided Level 2 and Level 3 support for LAN and WAN in daily operations for 52 office sites of Trelleborg Vibracoustic worldwide.
Cisco hardware management: managed Cisco switches (4500, 3850, and 2960 series), APs (5505, 3504, and 2800 series), and firewalls (ASA 55xx series).
Zen Node Proxy upgrade project: successfully carried out the Zen Node Proxy upgrade project with service provider TATA.
Worked on VC global standards: developed and implemented standards for VLANs, IP address schema, local internet breakout, guest WiFi access, and standard network layouts.
LAN port activation and WAN upgrade: successfully completed LAN port activation and WAN upgrade at TBVC sites, transitioning from Orange to Verizon.
Network tools and documentation: used network tools like IPAM, NetFlow, PRTG, Netbox, DNS, DHCP, RADIUS, and ServiceNow ticketing. Coordinated troubleshooting with service providers Verizon, Orange, TATA, DTAG, and GCX. Maintained network Visio documentation.
Feb 2015 - Jun 2015
5 months
Remscheid, Germany
Network Administrator
SANA IT Services GmbH
Maintenance, optimization, and further development of CISCO components for the Sana Klinikum Remscheid, Düsseldorf, and Duisburg sites
Administration of Cisco switches 6500, 4500, and 3500 series and WLC
Administration of firewalls ASA 5500, Check Point R75, Juniper SSG, and ISG
Hardware upgrade of Cisco 4507 & 6500 series switches
Maintenance of network Visio documentation
May 2014 - Jan 2015
9 months
Meerbusch, Germany
Network Administrator – Data Network
IBM Deutschland Mittelstand Services GmbH
Responsible for LAN & WAN Level 2 & Level 3 support in daily business using Maximo trouble ticket system for about 20 IBM clients.
Administered Cisco switches (6500, 3700, 3500, 2900 series) and wireless LAN controllers.
Administered HP switches.
Administered Juniper SSG and ISG firewalls, Check Point R75, and Cisco ASA firewalls.
Monitored network status using tools like Nagios and MRTG Network Monitor
Nov 2012 - Mar 2014
1 year 5 months
Paderborn, Germany
Global IT Network Administrator – GIO CCC Network
Wincor Nixdorf Operation GmbH
Responsible for LAN & WAN Level 2 & Level 3 support in daily business using CRM and Assyst trouble ticket systems for 120 office locations worldwide.
Managed Nortel and Avaya switches (ERS 2500, 4500, 5500 series and Passport 8010).
Managed VPN and security connectivity devices for remote sites, such as Nortel NVR1750E VPN gateways, Cisco 836, LANCOM 1721 and 1100, and Check Point Edge UTM-1 firewalls, etc.
Managed DNS and DHCP scopes and registered static IP addresses.
Produced WAN performance analysis reports using Riverbed Steelhead model 1050, Netflow Tracker, and monitoring of BT and Singtel WANs.
Used network monitoring status control tools like Nagios, PRTG Network Monitor, and GINA (Global Information Network Administration).
Developed and maintained network Visio documentation.
Aug 2011 - Sep 2012
1 year 2 months
Kronberg, Germany
Network Administrator
Accenture Dienstleistungen GmbH
Responsible for installing, configuring, upgrading, and managing Cisco routers and switches in data centers.
Performed hardware and IOS upgrades on various Cisco core and access switches (6500, 4500, 3700, 3500, 2900 series) and routers (7200, 3600, 2800, 2600 series, etc.).
Administered security systems including Juniper firewalls, NetScreen and Cisco PIX, Nortel and Juniper VPN gateways, load balancers, Riverbed, etc.
Developed and maintained network documentation (Visio) for DNS, routers, and firewalls.
Monitored network including status control, regular performance and load testing, and documentation.
Coordinated with external vendors like Deutsche Telekom, Colt, BT, and AT&T for trouble ticketing and user helpdesk support.
Provided Level 2 and 3 support in trouble ticket systems using Remedy and ITSM.
Experienced with change management system – Remedy ITSM
May 2011 - Jul 2011
3 months
Düsseldorf, Germany
LeiBit Migration
Vodafone D2 GmbH
Jul 2010 - Apr 2011
10 months
Sulzbach, Germany
Network Support DBWAN Migration - ESC
Vodafone D2 GmbH
DBWAN network rollout and migration project for about 2000 sites.
Switched and commissioned new lines, with parallel provisioning and hot migration of DBWAN routers.
Configured Ethernet Service Access routers such as Alcatel 7750 SR-12 and 7450 ESS-7, Cisco ME 3400, Cisco 800, 1800, 6400 series routers, and Nortel routers & Passport.
Configured and troubleshot access variant types 1 to 5, VLANs, epipe, ISAM, etc.
Used tools like Cramer, NDS, Lotus Notes, 5620 SAM Client, AMS 5520 (Alcatel-Lucent), NAM, Epic, Remedy, etc.
Feb 2010 - May 2010
4 months
Langen, Germany
Network Tester LAN Center
DFS Deutsche Flugsicherung GmbH
Responsible for LAN product testing.
Successfully completed a project to analyze packet loss on a digital VNswitch 900FX connecting Ethernet and FDDI networks.
Conducted broadcast and multicast tests using IngoTool and MGEN programs to generate network traffic.
Prepared test procedures and an analysis report for packet loss on the VNswitch 900FX.
Worked with SUSE Linux Enterprise Desktop and Server versions 10 and 11, and Ubuntu 10.04. Wireshark, Ethereal.
Jul 2009 - Dec 2009
6 months
Bonn, Germany
Project OSN IEI Network Rollout - CQC
T-Systems International Enterprise Services GmbH
Rolled out the standardization network project office (Integrated End User Infrastructure, IEI) to around 600 sites.
Responsible for quality control checks (CQC) of LAN access layer 2 and layer 3 switches of the Cisco 3750G-24 series.
Provided second and third level support for trouble tickets.
Troubleshot VLANs, DHCP helper addresses, switch port security, dot1x and MAB, QoS, voice VLAN, SNMP, etc.
Developed and maintained network documentation.
Used Network Operation & Administration Helper (NOAH) Control, TSI NET, IEI ROT, Service Navigator Frontend monitoring tool, WhatsUp Gold, etc.
Apr 2007 - Jun 2009
2 years 3 months
Kronberg, Germany
Network Administrator
Accenture Dienstleistungen GmbH
Responsible for installing, configuring, upgrading, and managing Cisco routers and switches in data centers.
Performed IOS upgrades on various Cisco core and access switches in the 6500, 4500, 3700, 3500, and 2900 series, and routers in the 7200, 3600, 2800, 2600, 1800, and 800 series.
Coordinated and completed Campus Kronberg LAN, NTP, VoIP, WLAN, and MPLS upgrade projects.
Developed and maintained network documentation (Visio); DNS, routers, firewalls.
Coordinated projects for WAN connections to new customer branches.
Monitored networks including status checks, regular performance and load tests, and documentation.
Coordinated with external service providers such as Deutsche Telekom, Colt, BT, AT&T, and QSC for trouble ticket and user helpdesk support.
Supported antivirus ePO VirusScan, system maintenance, and software updates.
Provided second and third level support in trouble ticket systems: Peregrine Service Center, Remedy User, ITSP, ITSM, ITGM, BMC Remedy, etc.
Experience with change management systems – Remedy ITSP, Peregrine.
Mar 2007 - Mar 2007
1 month
Klagenfurt am Wörthersee, Austria
L2 Network Support – NOC
addIT a Siemens Company
Installation, configuration, and documentation of DMZ, WAN, LAN, and VPN.
Third level support (TAC3).
Administration of Cisco network components.
Nov 2005 - Sep 2006
11 months
Frankfurt, Germany
Network Administration and End-user Support – TIS – Frankfurt
Credit Suisse TIS
Provided network support for administrative and support services in the LAN/WAN area.
Administered, monitored, and reported on the customer's active and passive network environment.
Installed, wired, configured, troubleshot, and implemented solutions within the customer's network environment.
Provided telephone support, troubleshooting, and 1st and 2nd level support.
Further developed and maintained network documentation using Visio and Inventor.
Installed, configured, expanded, and administered Cisco routers and switches.
Administered and created RSA SecureID REMAX user access cards and ACE/Server on Windows NT v4.1.03.
Monitored NetScreen firewalls using Juniper Networks NetScreen Security Manager (NSM).
Worked with service providers like D-Telekom, Colt, IPC, Etrali, BT, and DeTeWe, especially on ordering and coordinating fixes for data and voice lines.
Replaced the Lucent Ascend Remote Access Router MAX 6000 (REMAX) gateway in Frankfurt.
Replaced frame-relay WAN links with MPLS technology for the Credit Suisse Private Banking business area across 13 branches.
Provided network support during the migration from Nokia to NetScreen firewalls.
Replaced SNA gateways with IP technology for the Deutsche Börse connection of CS Private Banking.
Migrated SNA connections to IP technology for Para 9 reporting to the Deutsche Börse system.
Migrated DKV SNI circuits to IP technology for the Princeton connection to Deutsche Börse.
Installed and supported a new production data center.
Assisted in designing and installing the network for the new Credit Suisse building.
Monitored and adjusted the network using the Spectrum system.
Updated DNS host registration using VitalQIP version 6.0.
Handled network and voice issue resolution using the Remedy Action Request System version 5.01.
Performed change management with the Remedy Action System version 6.03.
Dec 2004 - Nov 2005
1 year
Kronberg, Germany
Administration of Cisco Components – ATIS - SysSec
Accenture Dienstleistungen GmbH
Administration of Cisco routers; administration in security systems.
Creation and maintenance of network documentation (Visio) for DNS, routers and firewalls.
Project coordination of WAN connections to new branches of several ATIS customers worldwide.
Network monitoring including status checks, load and performance; regularly performed and documented standard tests.
Collaboration with service providers like Telekom, AT&T & Colt; coordinating trouble ticket and user helpdesk support.
Performing IOS upgrades on various Cisco access switches and routers.
Designing and implementing dynamic routing protocols (RIP & OSPF) with other network devices such as Cisco routers, PIX and Netscreen firewalls.
Support for ePO VirusScan system maintenance and software deployment.
Good knowledge of monitoring systems such as BigBrother, MRTG, Solarwinds, NetOP, Ethereal and trouble ticket systems like Peregrine ServiceCenter, Remedy etc.
Jun 2004 - Present
21 years 5 months
Altenstadt, Germany
External Network Administrator
External Network Administrator for 5 small & medium-sized companies
Installation, configuration, maintenance and expansion of LAN/WAN, DSL, WLAN, routers, Windows operating systems (Win XP, Win 2000), Microsoft Office package, user accounts, email (Outlook), application software, fax servers, UPS software, antivirus programs, printers etc.
Installed T-DSL internet connections; worked with various ADSL routers from Netgear, Belkin, Billion, Linksys, AVM and Siemens etc.
Designed and installed a wireless LAN (WLAN) between two branches over 600m apart using Linksys routers and access points.
Jun 2002 - Jun 2004
2 years 1 month
Frankfurt, Germany
Network Engineer – ICT Department
Finansbank (Holland) N.V.
Managed, optimized and developed a network based on Cisco components (WAN, LAN, VLAN, TCP/IP, firewalls, NT, Win 2000); analyzed and resolved system problems.
Monitored networks, tracked and controlled status, utilization and performance; conducted regular standard tests and documentation.
Cooperated with external service providers and coordinated them during incidents and installations.
Built and expanded networks; created configurations, acceptance tests and documentation, as well as backups and restores.
Aug 2001 - Nov 2001
4 months
Sulzbach, Germany
Intern – TBN_EXT Operator in the NMC – IP Group
Arcor AG & Co.
Prepared for Cisco network certification exams (CCNA & CCNP), as well as router configuration and practical network exercises on 6 Cisco routers.
Monitored IP backbone and LAN connections after network outages; worked on network-related applications such as databases, trouble ticket tool, network management system Spektrum and server environments with Linux/Unix and WinNT.
Jul 2001 - Jan 2002
7 months
Oberursel, Germany
Training for Cisco Certified Network Professional (CCNP) – Part 2
Building Scalable Cisco Networks (TRN-BSCN) – Routing
Workshop on routing protocols: RIP, IGRP, EIGRP, OSPF & BGP
Building Cisco Multilayer Switching Networks (TRN-BCMSN) – Switching
Workshop on multicast, multilayer switching, VLAN & trunking etc.
Building Cisco Remote Access Networks (TRN-BCRAN) – Remote Access
Workshop on WAN protocols: PPP, ISDN, DDR, Frame-relay & X.25; NAT & PAT
Cisco Internetworking Troubleshooting (TRN-CIT) – Support
Workshop on internetworking troubleshooting
Completion: Cisco Certified Network Professional (CCNP)
Feb 2001 - Jul 2001
6 months
Frankfurt, Germany
Training for Cisco Certified Network Professional (CCNP) – Part 1
Deutsche Angestellten-Akademie
IT & PC basic technology, database fundamentals, operating system level with Win98, Windows NT & Win 2K, network basics, LAN, TCP/IP, internetworking, ISDN.
Mar 1996 - Sep 2000
4 years 7 months
Karben, Germany
Technical Management and Quality Management / Engineering Manager and Quality Manager
ROCKFORD Engineering Services (RES) GmbH
Testing, measurement, and certification of a wide range of ISM & IT products in the field of EMC, product safety and telecommunications
International approvals of electrical equipment for CE marking, FCC, UL, TÜV, etc.
Preparation of test reports and test certificates
Development of test plans and procedures according to CISPR, IEC, VDE, EN & FCC standards
Setting up a test lab for conducted and radiated emissions, ESD, EFT/B, surge testing, immunity testing, and independent operation of the EMC test lab
Planning and design of a 10m open area test site with a remote-controlled 2.5m turntable
Introduction and implementation of a quality management system
Participation in the preparation for accreditation certificate according to DIN EN 45001. RES GmbH was certified to EN 45001 by DAR (RegTP) in the field of EMC testing
Customer consulting and project management, including technical support in product development to avoid EMC issues and comply with national and international regulations
Calibration of the open area test site and maintenance of test instrument calibration records
Experience with various test and measurement instruments such as EMC receivers, spectrum analyzers, oscilloscopes, electrostatic discharge (ESD), fast transient/burst (EFT/B), surge and product safety testers.
Apr 1993 - Jun 1995
2 years 3 months
Karben, Germany
Technical Management and Quality Management / Engineering Manager and Quality Manager
ROCKFORD Engineering Services (RES) GmbH
Testing, measurement, and certification of a wide range of ISM & IT products in the field of EMC, product safety and telecommunications
International approvals of electrical equipment for CE marking, FCC, UL, TÜV, etc.
Preparation of test reports and test certificates
Development of test plans and procedures according to CISPR, IEC, VDE, EN & FCC standards
Setting up a test lab for conducted and radiated emissions, ESD, EFT/B, surge testing, immunity testing, and independent operation of the EMC test lab
Planning and design of a 10m open area test site with a remote-controlled 2.5m turntable
Introduction and implementation of a quality management system
Participation in the preparation for accreditation certificate according to DIN EN 45001. RES GmbH was certified to EN 45001 by DAR (RegTP) in the field of EMC testing
Customer consulting and project management, including technical support in product development to avoid EMC issues and comply with national and international regulations
Calibration of the open area test site and maintenance of test instrument calibration records
Experience with various test and measurement instruments such as EMC receivers, spectrum analyzers, oscilloscopes, electrostatic discharge (ESD), fast transient/burst (EFT/B), surge and product safety testers.
Nov 1992 - Mar 1993
5 months
Oberursel, Germany
Sales Manager
Keck und Klassik
Support and customer consulting, preparing quotes and invoices.
Development of a customer database and a product database
Aligning customer requirements with offered products and their quality in customer meetings
Jun 1988 - Jan 1992
3 years 8 months
Bengaluru, India
Research & Development Engineer
VXL Instruments Pvt. Ltd.
Carried out a project: Video Display Terminal Type VM 2620 compatible with DEC VT220
Developed a mainboard for the above terminal with an 8-bit Z-80 microprocessor and Z-80 peripheral family components like DART, CTC, and PIO. The CRT was controlled by an advanced video display controller and attribute controller.
Developed test instruments to test the mainboard and terminal connectors
Created a user manual and service manual for the VM 2620 terminal
Trained production staff and service technicians
Developed ruggedized terminal types VM 1016 R3 & VM 1055 R2 for military and industrial applications
Team leader
Jun 1987 - Jul 1988
1 year 2 months
Bengaluru, India
Apprenticeship as a Graduate Trainee
Bharat Electronics Ltd.
Worked on the 4KW system and ISB (3 to 25MHz) transmitter modules used in military communication systems
Tested the above systems
Worked on a microprocessor-controlled TIDEX (Time Division Modular Telephone Exchange)
Developed a test instrument to check the power supply of the TIDEX system
Tested the TIDEX system modules (Processor Switch Unit, Subscriber Unit, Operator Console and power supply)
Mar 1987 - Jun 1987
4 months
Bengaluru, India
Service Engineer
General Computers
Installed and maintained computers, monitors, keyboards and printers
Repaired power supplies, motherboards, monitors and keyboards
Installed software.
Customer service and telephone-based online support for customers.
Summary
Extensive experience in designing, planning, and executing infrastructure upgrades, data center migrations, and WAN migrations.
Skilled in installing, configuring, and managing active network components across LAN, MAN, and WAN (Layer 1-7), including network security, firewalls, VLANs, and WLANs.
Expertise in designing and supporting LAN/WAN networks, scripting, in-service tuning, and managing LAN and WAN systems.
Providing 2nd and 3rd level support.
Proficient with products from CISCO, Nortel/AVAYA, Dell, 3COM, IBM, HP, Compaq, Juniper (Netscreen), Checkpoint, Palo Alto, Riverbed/Steelhead, Polycom, Surface Hub, and Mac.
Strong knowledge of internet protocols and related service standards, client-server architecture
Extensive experience with technologies such as Token Ring, Ethernet, MPLS, VPN, ISDN, xDSL, SMTP, HTTP, RAS, NetBIOS, NetBEUI, FTP, Telnet, DHCP, DNS, WINS, and routing protocols like RIP, HSRP, VRRP, GLBP, IGRP, EIGRP, OSPF, IS-IS, BGP, MPLS, IPsec, GRE, and SSL.
Languages
German
Native
Hindi
Native
Urdu
Native
English
Advanced
Education
Bangalore University
Bachelor of Engineering · Electrical Engineering · Bengaluru, India