Network Engineer L2
Full Job Posting
Key Responsibilities
Lead telecom network implementation, configuration, and commissioning for metro rail and enterprise infrastructure projects.
Configure and manage multi-vendor network devices including Cisco (ASR, NCS), Juniper (ACX, SRX, EX), Nokia 7705, Allied Telesis, and Belden switches.
Design, deploy, and troubleshoot routing and switching architectures using MPLS, BGP, OSPF, EIGRP, VLAN, STP, VTP, HSRP, VRF, and multicast.
Work on metro telecom systems such as CCTV, PA/PIDS, ACID, and FOTS, ensuring seamless integration with ICMS and other station systems.
Monitor network performance using NMS/OMS platforms, proactively identify abnormal alarms, and resolve faults to maintain high uptime.
Configure and manage firewalls, DHCP/DNS servers, and wireless access points; implement ACLs, NAT, port security, and VLAN ACLs.
Handle critical incident and escalation management, ensuring timely resolution within SLA timelines.
Conduct PAT (Pre-Acceptance Testing), SAT (Site Acceptance Testing), and IAT (Integration Acceptance Testing) to validate system readiness.
Perform OFC testing and fault detection using OTDR and LSPM tools; conduct signal testing and loss analysis for end-to-end connectivity.
Generate SLA and performance reports, including downtime and penalty calculations.
Coordinate with cross-functional and client teams for network upgrades, deployments, and troubleshooting.
Required Skills & Qualifications
Bachelor's degree in Electronics, Telecommunications, or a related engineering field.
8+ years of experience in telecom/enterprise network operations, with exposure to metro rail or large infrastructure projects preferred.
Strong working knowledge of MPLS, BGP, OSPF, RIP, EIGRP, VLAN, STP, VTP, HSRP, VRF, and multicast routing.
Hands-on experience with Cisco, Juniper, Nokia, Allied Telesis, and Belden networking equipment.
Experience with network security fundamentals: ACLs, NAT, port security, VACLs, and firewall management (e.g., pfSense).
Familiarity with NOC operations, incident/escalation management, and SLA monitoring & reporting.
Exposure to metro domain systems (CCTV, PA/PIDS, ACID, FOTS) is a strong plus.
Proficiency with network monitoring tools such as NMS, Athenta NMS, OMS, and iperf.
Excellent troubleshooting, documentation, and client-facing communication skills.
Preferred Certifications
CCNA – Cisco Certified Network Associate
JNCIA – Juniper Networks Certified Associate
JNCIS-ENT – Juniper Networks Certified Specialist (Enterprise Routing & Switching)
Work Environment
Combination of NOC-based monitoring work and on-site fieldwork at project locations.
May require occasional travel to metro/project sites for deployment, testing, and commissioning.
Fast-paced environment involving critical infrastructure with defined SLA commitments.
About GSI
Global provider of digital infrastructure and managed IT solutions.
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