DV-Cleared Network & Communications Engineer (Hands-On)

SmartSourcing Ltd; Greater London; On-site; GBP 65,000 - 92,000; Full time

Job summary

SmartSourcing Ltd is seeking a DV Cleared Network Support Engineer/Comms Engineer to join its technical communications team, supporting secure, business-critical network infrastructure across the UK, with locations in Manchester and London.

The role involves installing, configuring and supporting switches, routers, wireless APs and VoIP, maintaining documentation, and contributing to change management in a security-focused environment.

Qualifications

• Current DV Clearance is essential.
• Experience supporting enterprise network environments; switching technologies, VLANs, TCP/IP, DHCP and DNS.
• Knowledge of Cisco, Aruba, Juniper, Meraki or similar networking technologies.
• Knowledge of Wi-Fi and VoIP solutions.
• Strong troubleshooting and problem-solving skills.
• Ability to work effectively within a secure, customer-focused environment; maintain accurate technical documentation.

Responsibilities

• Support the operation and maintenance of network and communications infrastructure.
• Monitor and troubleshoot LAN, WAN, Wi‑Fi and VoIP environments.
• Diagnose faults, resolve incidents and elevate issues where required.
• Configure and support Switches, Routers, wireless access points and associated network equipment.
• Assist with the implementation, testing and commissioning of new network and communications solutions.
• Support infrastructure and communications projects through to handover into service.
• Produce and maintain technical documentation, network diagrams and asset records.
• Participate in change management activities, technical reviews and project meetings.

Skills

DV Clearance

Enterprise network support

LAN/WAN/Wi-Fi/VoIP

Documentation

Troubleshooting

Security-minded operations

Tools

Cisco

Aruba

Juniper

Meraki

Job description

SmartSourcing Ltd is seeking a DV Cleared Network Support Engineer/Comms Engineer to join its technical communications team, supporting secure, business-critical network infrastructure across the UK, with locations in Manchester and London.

The role involves installing, configuring and supporting switches, routers, wireless APs and VoIP, maintaining documentation, and contributing to change management in a security-focused environment.