Network Security Team Lead- SME

Key Responsibilities

• Lead and manage Network Operations within the Global Command Center environment.
• Monitor and support enterprise network infrastructure across multiple customer environments.
• Handle critical incidents, major outages, escalations, and ensure timely resolution within SLA timelines.
• Perform advanced troubleshooting for LAN, WAN, SD-WAN, VPN, Wireless, Internet, and Data Center network issues.
• Perform firmware upgrades, OS patching, and lifecycle management for routers, switches, firewalls, and network security devices.
• Manage configuration updates, backups, validation, and standardization across network infrastructure.
• Conduct pre-upgrade and post-upgrade validation activities to ensure network stability and minimal downtime.
• Perform L3 triage and troubleshooting for network-related incidents, patch failures, vulnerability findings, and performance issues.
• Ensure security compliance by addressing vulnerabilities and implementing remediation recommendations.
• Manage and support network security technologies including Firewalls, IDS/IPS, VPN, and NAC solutions.
• Participate in Change Management activities including risk assessment, and  implementation planning.
• Maintain proper documentation including SOPs, network diagrams, escalation matrices, and operational procedures.
• Coordinate with Security, Infrastructure, Server, Cloud, and Application teams for successful execution of planned activities.
• Drive Root Cause Analysis (RCA) and Problem Management activities for recurring incidents.
• Mentor and guide L1/L2 engineers and conduct internal technical knowledge transfer sessions.
• Prepare operational reports, dashboards, service review reports, and customer updates.
• Ensure adherence to ITIL processes, security standards, and customer governance requirements.
• Support DC/DR operations, business continuity activities, and critical maintenance windows.
• Participate in on-call support and weekend maintenance activities whenever required.

Technical Skills Required

Networking Technologies

• Strong expertise in: 
• Routing & Switching
• TCP/IP
• VLAN, STP
• OSPF, BGP, EIGRP
• MPLS, SD-WAN
• VPN Technologies
• Wireless Networking
• Load Balancers
• DNS, DHCP, NAT

Security Technologies

• Hands-on experience with: 
• Cisco
• Palo Alto
• Fortinet / FortiGate
• Cisco ASA
• Check Point
• IDS/IPS
• Network Access Control (NAC)

Monitoring & Management Tools

• ManageEngine
• Zabbix
• Site24x7
• Vulnerability & Remediation Tools

Data Center & Cloud Exposure

• Cisco Nexus switches
• DC/DR Infrastructure
• Azure / AWS Network Fundamentals

Required Skills

• Strong hands-on experience in network OS upgrades, firmware patching, and configuration management.
• Expertise in incident triage, troubleshooting, and performance optimization.
• Strong understanding of enterprise network security and vulnerability remediation.
• Experience in handling customer escalations and major incident management.
• Excellent analytical, communication, and stakeholder management skills.
• Strong leadership and team management capability.
• Experience in 24x7 Global Command Center or Managed Services environments.
• Good understanding of ITIL processes including Incident, Problem, and Change Management.
• Ability to work under pressure during critical outages and maintenance activities.

Preferred Certifications

• CCNA / CCNP / CCIE
• Fortinet NSE Certifications
• Palo Alto Certifications
• ITIL Foundation Certification

Educational Qualification

• Bachelors Degree in Engineering / Computer Science / Information Technology or equivalent.

Additional Expectations

• Experience in managing enterprise and multi-customer network environments.
• Strong focus on SLA adherence, operational excellence, and service improvements.
• Ability to drive automation and process optimization initiatives.
• Strong documentation and governance management skills.
• Willingness to work in rotational shifts and support critical business operations.