Job Title : Lead Network Engineer

Location : Bengaluru, India

Role Overview :

We are seeking a highly skilled Lead Network Engineer with strong expertise in Cellular (4G/5G/Private LTE), Wi-Fi/WLAN, and LoRaWAN technologies. The candidate will be responsible for architecting, implementing, and maintaining industrial-grade network infrastructures, ensuring scalability, reliability, and security across mission-critical environments. This role requires strong hands-on technical depth, leadership, and experience working in complex RF and IP transport systems.

Key Responsibilities :

Network Design & Architecture :

- Design and deploy advanced cellular (4G/5G/Private LTE), Wi-Fi/WLAN, and LoRaWAN networks for industrial and enterprise use cases.

- Architect RF-based IP transport systems ensuring high availability and low latency.

- Define network hardware and software standards for harsh/field environments.

Implementation & Operations :

- Configure, implement, and optimize Wi-Fi/WLAN solutions (Aruba, Cisco, Ruckus, Intel, Extreme, Firetide, Meraki).

- Integrate IoT and Industrial Control Systems (ICS) connectivity with secure, scalable network solutions.

- Develop and execute test plans, validation strategies, and performance benchmarking.

- Provide Tier-3 escalation support for complex networking issues.

Automation & Optimization :

- Develop network automation scripts (Python, Ansible, etc.) to improve deployment and monitoring efficiency.

- Drive SDN, NFV, and network slicing implementations for industrial applications.

- Optimize QoS, bandwidth utilization, and low-latency communication channels.

Security & Compliance :

- Implement network security policies, firewalls, and VPNs ensuring compliance with industry standards (ISO 27001, NIST, GDPR).

- Conduct risk assessments, penetration testing, and vulnerability management.

- Ensure disaster recovery strategies and high-availability architectures are in place.

Collaboration & Documentation :

- Work with vendors, OEMs, and global support teams for escalations, integrations, and upgrades.

- Prepare HLD/LLD (High-Level & Low-Level Designs), technical documentation, and implementation guides.

- Actively participate in industry forums, POCs, and technology evaluations to recommend future roadmap.

Required Skills & Qualifications :

Education : B.Tech/BE in Electronics, Telecommunications, Computer Science, or related field.

Experience : 10+ years of networking experience with at least 5+ years in industrial/field-grade networking.

Technical Expertise :

- Cellular (4G/5G/Private LTE) : EPC, gNodeB, Core integration, slicing, private LTE deployments.

- Wi-Fi/WLAN : Design, deployment, and troubleshooting across multi-vendor ecosystems (Aruba, Cisco, Ruckus, Extreme, Meraki).

- LoRaWAN : Gateway and network server deployments, device provisioning, integration with cloud platforms.

- Protocols : TCP/IP, BGP, OSPF, MPLS, VLAN, VXLAN, SD-WAN, SNMP, MQTT, CoAP.

- Security : Firewalls, IPS/IDS, VPNs, PKI, Zero Trust Networking.

- Cloud/Edge : Experience with cloud-managed networking (AWS IoT Core, Azure IoT Hub, GCP IoT) and edge computing integration.

- Tools : Wireshark, NetFlow, SolarWinds, Ansible, Python scripting for automation.

Preferred Certifications (Good to Have) :

- CCNP/CCIE (Enterprise or Wireless)

- Aruba Certified Design Expert (ACDX) or equivalent WLAN certifications

- 5G/Private LTE vendor certifications (Nokia, Ericsson, Huawei, Qualcomm)

- Certified Information Systems Security Professional (CISSP) or CISM