Senior Network Engineer – IT Operations & Infrastructure

Purpose of Role:

Provide L3 ownership for network infrastructure, including incident escalations, troubleshooting, routing, switching, security hardening and firmware upgrades.

Key Responsibilities:

- L3 troubleshooting for Cisco & Fortinet based networks, prepare RCA for major incidents, support service restoration.

- VLAN, routing (OSPF/BGP/EIGRP), firewall (Fortinet Policy & Rule Mgmt) and VPN (IPSec / SSL) administration.

- Security: firewall rule reviews, segmentation, vulnerability remediation and PT remediation.

- Upgrades & migrations: perform device firmware upgrades (IOS, NX-OS), network migration activities, and technology refresh projects.

- Monitoring: review escalations from L1 monitoring tools (e.g. SolarWinds), perform network event analysis and capacity trend forecasting.

- Documentation: maintain configuration documents, update HLD/LLD and operational runbooks/SOP.

Required Experience & Skills:





- 5–8 years of Cisco switching/routing and Fortinet firewall administration in enterprise networks.

- Solid knowledge of network security, VPN technologies, QoS, firewall mgmt and MPLS architectures.

- Proficiency with network monitoring and trending tools; experience with RCA & SLA compliance.

Preferred Certifications & Qualifications:

- CCNA (minimum), ideally CCNP (ENARSI, DC)

- Fortinet NSE (levels 4–7)

- ITIL Foundation

Competencies:

- Technical ownership and accountability

- Strong communication and documentation skills

- Ability to mentor junior staff

- Analytical thinking and decision-making

Reporting Relationships:

Reports to Network Team Lead; coordinates with Security and Monitoring teams.

Required Skills

- network infrastructure
- cisco routing
- cisco switching
- fortigate
- fortinet
- network troubleshooting
- firewall policy management
- cisco ios
- ios
- ipsec vpn
- ssl vpn
- vpn

📌 Assistant Manager - IT Operations & Infrastructure (Pune)
🏢 Sourceo
📍 Pune