Job Title: Network Engineer
Experience: 7+ Years
Location: Chennai (WFO)
Department: IT Infrastructure / Network Operations
Job Summary
We are seeking an experienced Network Engineer with 7+ years of hands-on expertise in
enterprise network infrastructure, firewall security, wireless technologies, cloud
networking, and IT service management. The ideal candidate will be responsible for
Operations, designing, implementing, monitoring, and supporting secure and scalable
network environments across on-premises and cloud platforms.
This role requires strong troubleshooting skills, customer-facing incident handling
capability, and a solid understanding of ITSM processes.
Key Responsibilities:
Network & Security Infrastructure
Knowledge of automation or scripting (basic level preferred)
Configure, manage, and troubleshoot FortiGate firewalls (policies, VPNs, NAT,
UTM features).
Implement and support Aruba and Cisco switches and wireless access points.
Perform VLAN configuration, routing, switching, STP, trunking, and wireless
optimization.
Manage network segmentation and security best practices.
Support and maintain Genian NAC solution for network access control.
Monitoring & Operations:
Monitor infrastructure using Site24x7 or equivalent monitoring tools.
Proactively identify and resolve performance or availability issues.
Perform root cause analysis (RCA) for network-related incidents.
Participate in on-call support and major incident management.
Cloud Networking:
Support AWS and OCI cloud infrastructure networking.
Configure VPC/VNet, subnets, route tables, security groups, and connectivity
(VPN/Direct Connect/FastConnect).
Troubleshoot hybrid connectivity between on-prem and cloud environments.
IT Service Management:
Work within ITSM frameworks (Incident, Problem, Change, Release
management).
Handle service desk tickets within SLA timelines.
Maintain documentation for network topology, configurations, and SOPs.
Participate in change management processes.
Customer & Stakeholder Interaction:
Communicate effectively with internal teams and external customers during
incidents.
Provide clear updates during outages or major service disruptions.
Support audits and compliance requirements when needed.
Required Technical Skills:
Strong experience with FortiGate firewall administration
Aruba and Cisco switching & wireless technologies
Network protocols: TCP/IP, OSPF, BGP, VLAN, STP
VPN technologies (IPSec, SSL VPN)
NAC implementation (Genian preferred)
Network monitoring tools (Site24x7 or equivalent)
Cloud networking (AWS and OCI)
Good understanding of ITSM processes
Certifications (Added Advantage):
ITIL Foundation
Fortinet NSE certification
CCNA / CCNP
Cloud certifications (AWS / OCI) – preferred
Soft Skills:
Strong communication skills
Customer handling experience during incidents
Analytical and problem-solving ability
Documentation and reporting skills
Preferred Experience:
Experience in multi-site global network environments
Exposure to high availability firewall clusters
Experience with network security audits
