Company Profile:
Job Title: Network Administrator - L3
Position: SSE
Experience: 8+ yrs
Category: IT Infrastructure
Main location: Bangalore
Position ID: J0526-0802
Employment Type: Full Time
Qualification: Bachelor's degree in Computer Science or related field or higher with minimum 3 years of relevant experience.
Job Description:
Key Responsibilities
The Network L3 Administrator is responsible for advanced management, troubleshooting, and optimization of enterprise network infrastructure. This includes switches, routers, firewalls, WAN/LAN links, and related technologies. The role requires deep expertise in networking, robust problem solving skills, and the ability to resolve complex issues independently while supporting enterprise scale deployments.
Key Responsibilities
- Manage and maintain enterprise network infrastructure (switches, routers, firewalls, WAN/LAN links).
- Provide L3 support for escalated incidents, ensuring timely resolution of complex network issues.
- Configure and optimize routing protocols (OSPF, BGP, EIGRP) and switching technologies (VLANs,
STP, trunking).
- Administer and secure firewalls (Cisco ASA, Palo Alto, Fortinet, Check Point).
- Perform patching, upgrades, and configuration management across network devices.
- Conduct performance tuning, capacity planning, and bandwidth optimization.
- Implement network security policies, VPNs, and intrusion prevention systems.
- Designing high level network architecture installing hardware and migrating sites to SD-WAN
- Integrating SD-WAN with security solutions (SASE. Zscaler, Fortinet) to secure WAN Edges.
- Automate routine tasks using Python, Ansible, or other scripting tools.
- Collaborate with infrastructure, server, and security teams to ensure seamless delivery of network services.
- Lead root cause analysis for critical incidents and document resolutions.
- Maintain knowledge base and documentation for configurations, processes, and troubleshooting guides.
Required Skills & E
📌 Network Administrator (Bengaluru)
🏢 CGI
📍 Bengaluru