Senior Administrator - Network LAN/WAN
India
Apply now
Job Description
Senior Administrator - Network LAN/WAN
Chennai, Tamil Nadu

Job Summary

Network Data LAN/WAN SDWAN- Key Responsibilities SD-WAN & Network Management: Design, configure, and manage SD-WAN (Viptela, Silver Peak) and LAN/WAN infrastructure. Troubleshooting & Support: Monitor and resolve LAN/WAN/VPN issues, including IPSEC, NAT, PAT, and GRE tunnels. Carrier Coordination: Manage WAN links, coordinating with internet service providers to resolve link issues. Network Security: Implement and maintain network security policies, including firewall configurations. Documentation: Create and update network architecture, high-level/low-level design (HLD/LLD) documents. Project Deployment: Lead network migration, upgrades, and optimization projects. Required Skills & Qualifications Technical Skills: Deep understanding of networking protocols (BGP, OSPF, QoS, VLAN, TCP/IP) and SD-WAN technologies. Hardware Knowledge: Hands-on experience with Cisco routers, switches, and firewalls. Experience: 3–7+ years in network support/engineering roles. Tools: Proficiency in network monitoring tools (e.g., ITSM Remedy). Education: Bachelor’s degree in Computer Science, IT, or related field. Certifications: CCNP or CCIE preferred.

Key Responsibilities

Network Data LAN/WAN SDWAN- Key Responsibilities SD-WAN & Network Management: Design, configure, and manage SD-WAN (Viptela, Silver Peak) and LAN/WAN infrastructure. Troubleshooting & Support: Monitor and resolve LAN/WAN/VPN issues, including IPSEC, NAT, PAT, and GRE tunnels. Carrier Coordination: Manage WAN links, coordinating with internet service providers to resolve link issues. Network Security: Implement and maintain network security policies, including firewall configurations. Documentation: Create and update network architecture, high-level/low-level design (HLD/LLD) documents. Project Deployment: Lead network migration, upgrades, and optimization projects. Required Skills & Qualifications Technical Skills: Deep understanding of networking protocols (BGP, OSPF, QoS, VLAN, TCP/IP) and SD-WAN technologies. Hardware Knowledge: Hands-on experience with Cisco routers, switches, and firewalls. Experience: 3–7+ years in network support/engineering roles. Tools: Proficiency in network monitoring tools (e.g., ITSM Remedy). Education: Bachelor’s degree in Computer Science, IT, or related field. Certifications: CCNP or CCIE preferred.

Skill Requirements

Network Data LAN/WAN SDWAN- Key Responsibilities SD-WAN & Network Management: Design, configure, and manage SD-WAN (Viptela, Silver Peak) and LAN/WAN infrastructure. Troubleshooting & Support: Monitor and resolve LAN/WAN/VPN issues, including IPSEC, NAT, PAT, and GRE tunnels. Carrier Coordination: Manage WAN links, coordinating with internet service providers to resolve link issues. Network Security: Implement and maintain network security policies, including firewall configurations. Documentation: Create and update network architecture, high-level/low-level design (HLD/LLD) documents. Project Deployment: Lead network migration, upgrades, and optimization projects. Required Skills & Qualifications Technical Skills: Deep understanding of networking protocols (BGP, OSPF, QoS, VLAN, TCP/IP) and SD-WAN technologies. Hardware Knowledge: Hands-on experience with Cisco routers, switches, and firewalls. Experience: 3–7+ years in network support/engineering roles. Tools: Proficiency in network monitoring tools (e.g., ITSM Remedy). Education: Bachelor’s degree in Computer Science, IT, or related field. Certifications: CCNP or CCIE preferred.

Other Requirements

Network Data LAN/WAN SDWAN- Key Responsibilities SD-WAN & Network Management: Design, configure, and manage SD-WAN (Viptela, Silver Peak) and LAN/WAN infrastructure. Troubleshooting & Support: Monitor and resolve LAN/WAN/VPN issues, including IPSEC, NAT, PAT, and GRE tunnels. Carrier Coordination: Manage WAN links, coordinating with internet service providers to resolve link issues. Network Security: Implement and maintain network security policies, including firewall configurations. Documentation: Create and update network architecture, high-level/low-level design (HLD/LLD) documents. Project Deployment: Lead network migration, upgrades, and optimization projects. Required Skills & Qualifications Technical Skills: Deep understanding of networking protocols (BGP, OSPF, QoS, VLAN, TCP/IP) and SD-WAN technologies. Hardware Knowledge: Hands-on experience with Cisco routers, switches, and firewalls. Experience: 3–7+ years in network support/engineering roles. Tools: Proficiency in network monitoring tools (e.g., ITSM Remedy). Education: Bachelor’s degree in Computer Science, IT, or related field. Certifications: CCNP or CCIE preferred.
Apply now
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.