Nilesh Kumar Dubey
Leamington Spa,UK,
Summary
Accomplished Network Security Administrator with extensive experience in designing and implementing secure infrastructures to protect against cyber threats. Currently supporting Jaguar Land Rover (JLR) through Tata Consultancy Services (TCS), ensuring robust network security solutions for one of the UK’s leading automobile manufacturers. Adept at configuring and managing firewalls, VPNs, and intrusion detection systems, with expertise in deploying F5 load balancers and Fortinet ADCs to enhance performance and security. Skilled in complex LAN planning, optimizing network strategies, and integrating Cisco routers, switches, and wireless solutions for resilience and scalability. Certified in AWS Solution Architect Associate, Microsoft Azure AZ-900, and Zscaler ZDTA, with a career focus on driving network security innovations and advancing cutting-edge security frameworks.
Overview
13
13
years of professional experience
1
1
Certification
Work history
Network Security Engineer
Tata Consultancy Services
Leamington Spa, UK
06.2018 - Current
- Designed and implemented secure network infrastructure to safeguard against cyber threats and vulnerabilities.
- Configured and managed firewalls ((Cisco ASA, Palo Alto, Fortinet, Checkpoint and Zscaler), VPNs (Ivanti, Cisco Secure Connect), and intrusion detection systems to protect network integrity.
- Configuration, troubleshooting, and deployment of F5 (LTM) load balancer and Fortinet ADC.
- Managing Cisco switches (Nexus 5K, 7K, 9K, and Catalyst) & WLCs.
- Managing LAN planning (developing plans and enhancing the implementation of overall strategies to establish a proper and efficient network).
- Working on Software-Defined Networking like NSX-T & SDWAN
- Communicating with clients and vendors regarding products and issues.
Senior Specialist
HCL Technologies
Noida, India
08.2016 - 06.2018
- Configuration & troubleshooting of Cisco routers, switches (Nexus 5K,7K,9K & Catalyst), WLCs (Meraki & Extreme) and other networking equipment.
- Visited onsite Germany (Leverkusen), Poland (Warsaw), Netherlands (Amsterdam), China (Beijing and Shanghai) for design & deployment of new DC.
Network Administrator
Chi Networks, New Delhi
New Delhi, India
08.2015 - 07.2016
- Configuration and troubleshooting of Cisco Nexus 5k, Dell (6248, 6224 Powerconnect) and HP Procurve switches and Sonicwall firewall.
- Managed network infrastructure and datacentre for international & domestic clients.
- Coordination with IANA to purchase new public IPs.
Network Engineer
Wipro Info System
Gurgaon , India
01.2015 - 08.2015
- Monitor network devices using CA monitoring tool & Configure Cisco routers and switches.
- Coordination with service provider, clients and vendors.
Tech Support
Hitachi Micro Clinic India Pvt Ltd
New Delhi, India
02.2012 - 01.2015
- Configuration and troubleshooting of outlook. Installation and troubleshooting of Windows and other related software like MS Office, Antivirus etc
Education
Master of Science - Computer
Sikkim Manipal University
Bachelor of Arts - English
Veer Bahadur Singh Purvanchal University
2011
Skills
- Routing Switching: Cisco routers and Switches (Nexus 9K, 7K & 5K & Catalyst Switches)
- Firewalls: Cisco ASA, Palo Alto, Checkpoint, Zscaler and Fortinet
- ADC: F5 LTM and Fortinet ADC
- Cloud: AWS Solution Architect Associates and Microsoft Azure AZ-900
- SDN: VMware – NSX-T & SDWAN
- Wireless: Cisco WLCs and APs
- Networking tools: Cisco Prime, SNOW, PRTG
- Endpoint Security: Cisco ISE
Certification
- CCNA: Routing and switching (ID - CSCO12234736)
- CCNP ROUTE: 642-902
- CCNP SWITCH: 300-115
- VMware NSX: VCP-NV 2022
- Microsoft Azure: AZ-900, AZ103
- Palo Alto: PCNSA
- AWS: Solutions Architect Associate (SAA-C03)
- Zscaler ZDTA
Personal Information
- Father's Name: Mr. UdayShankar Dubey
- Date of birth: 07/08/90
Timeline
Network Security Engineer
Tata Consultancy Services
06.2018 - Current
Senior Specialist
HCL Technologies
08.2016 - 06.2018
Network Administrator
Chi Networks, New Delhi
08.2015 - 07.2016
Network Engineer
Wipro Info System
01.2015 - 08.2015
Tech Support
Hitachi Micro Clinic India Pvt Ltd
02.2012 - 01.2015
Master of Science - Computer
Sikkim Manipal University
Bachelor of Arts - English
Veer Bahadur Singh Purvanchal University
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