Network Support Engineer

SmartSourcing Ltd; City Of London; On-site; GBP 45,000 - 65,000; Full time

Job summary

SmartSourcing Ltd in the United Kingdom is seeking a DV-cleared Network Engineer/ Communications Engineer to support secure, government-facing networks across the UK.

The role covers configuring switches, wireless, VoIP, VLANs, and network monitoring; you will maintain documentation and work within a security-conscious, customer-focused environment in Manchester or London.

Qualifications

• Current DV clearance is essential.
• Experience in enterprise network environments.
• Experience with wired and wireless networking.
• Ability to work in a secure, customer-facing environment.

Responsibilities

• Support operation and maintenance of network and communications infrastructure.
• Monitor and troubleshoot LAN, WAN, Wi‑Fi and VoIP environments.
• Configure and support switches, routers, wireless APs and related network equipment.
• Assist with implementation and testing of new network solutions.
• Support projects through to service handover and document networks.

Skills

DV Clearance

Enterprise networks

VLANs

TCP/IP

DHCP/DNS

Vendor gear

Wi-Fi/VoIP

Troubleshooting

Documentation

Tools

Cisco

Aruba

Juniper

Meraki

Job description

DV Cleared Network Engineer/Communications Engineer is required by our government client.

Location: Manchester / London

Security Clearance: Current UK DV Clearance required

This role would suit candidates looking to develop their networking career while working on secure and nationally important systems.

We are seeking a DV Cleared Network Support Engineer/Comms Engineer to join a growing technical communications team supporting secure, business-critical network infrastructure across the UK.

If you have experience installing, configuring or supporting network switches, wireless infrastructure, communications equipment or structured cabling within secure environments, we would like to hear from you.

Ideal role for a hands-on engineer with experience supporting and maintaining networks rather than designing large-scale architectures. Youll work across a range of technologies including LAN, WAN, Wi-Fi, VoIP and secure communications systems, ensuring services remain available, reliable and secure.

Key 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 escalating 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 Experience

• Current DV Clearance is essential.
• Experience supporting enterprise network environments. Good understanding of switching technologies, VLANs, TCP/IP, DHCP and DNS.
• Experience with 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. Experience maintaining accurate technical documentation.

- SmartSourcing are a Disability Confident Employer and we promote, celebrate and value diversity, we are committed to promoting equality and inclusion for all