Assistant Manager - IT Operations & Infrastructure

About the role

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.
• Strong 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