System Engineer

Larsen & Toubro; Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Larsen & Toubro in Bengaluru, India, seeks a telecom and network integration engineer to design and implement secure, high‑reliability communication networks for defense and civil projects.

You will integrate LTE/5G, SATCOM, and NMS, define IP addressing and routing, perform system integration with servers and security appliances, and engage customers and vendors through project execution.

Responsibilities

• Integrate telecom systems (LTE/5G, microwave, SATCOM, tactical systems, and NMS).
• Design secure IP networks: Layer 2/3 switching, routing, VLANs, QoS, and redundancy.
• Evaluate and integrate COTS equipment, ensuring vendor interoperability.
• Define IP addressing, routing (OSPF, BGP), multicast, and security policies.
• Perform system integration with servers, virtualization, storage, firewalls, and cyber solutions.
• Support environmental, EMC/EMI, and military qualification activities (MIL-STD-810/461).
• Conduct performance, interoperability, failover and resilience testing.
• Interface with customers, vendors, cert agencies, and user organizations during projects.

Job description

• Integrate telecom systems such as LTE/5G, microwave radios, SATCOM, tactical communication systems, and Network Management Systems (NMS).
• Design secure IP-based communication networks, including Layer 2/Layer 3 switching, routing, VLANs, QoS, and redundancy.
• Evaluate and integrate COTS equipment, ensuring interoperability across multiple vendors.
• Define IP addressing schemes, routing protocols (OSPF, BGP), multicast, and network security policies.
• Perform system integration with servers, virtualization platforms, storage, firewalls, and cybersecurity solutions.
• Support environmental, EMC/EMI, and military qualification activities (e.g., MIL-STD-810, MIL-STD-461).
• Conduct performance, interoperability, failover, and network resilience testing.
• Interface with customers, vendors, certification agencies, and user organizations during project execution.