DV-Cleared Network Engineer for Enterprise & Security

Datasource Recruitment; Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Annual bonus up to 10%

Pension up to 5% Employee/10% Employer

Private Medical Cover

Health Assessment

Life Assurance

Dental Insurance

Job summary

Datasource Recruitment is seeking a DV-cleared Network Engineer to join a team responsible for critical national infrastructure in London. The role focuses on enterprise routing, LAN switching, and network security across on-site environments.

You will design, build, test, and maintain network infrastructure, implement new technologies, and collaborate with senior stakeholders to align with customer strategy while sustaining high security and resilience.

Qualifications

• Experience with enterprise and operator-scale routing protocols such as OSPF, IS-IS, BGP, LDP or RSVP.
• LAN switching in data centres and enterprise environments (RSTP/MSTP, LAG, MC-LAG).
• Experience implementing network security technologies including MACSEC, IPSEC, and 802.1x.
• Knowledge of network security design including Firewall, IDS, and IPS management.
• Hands-on experience with first-hop resilience and security protocols in enterprise environments.
• Ability to install and configure both physical and virtual network hardware.
• Experience supporting SD-WAN, wireless, and global network infrastructure standards.
• Must hold or be eligible for DV clearance — requires 10+ years of UK residency.
• Ability to engage with senior stakeholders and customers.

Responsibilities

• Design, build, test, validate, and maintain all network infrastructure components.
• Implement new and enhanced network technologies aligned to customer strategic direction.
• Maintain standards for global network infrastructure including wireless, LAN, and SD-WAN.
• Manage installation, testing, and setup of physical and virtual network hardware.
• Ensure currency and ongoing supportability of networking technology across the estate.
• Support enterprise and remote site connectivity solutions for large-scale customers.
• Deliver work packages as part of a customer-focused engineering capability team.

Skills

Routing protocols

LAN switching

Network security

Security management

Resilience

Hardware deployment

SD-WAN & Wireless

DV clearance

Stakeholder management

Engineering leadership

Job description

Datasource Recruitment is seeking a DV-cleared Network Engineer to join a team responsible for critical national infrastructure in London. The role focuses on enterprise routing, LAN switching, and network security across on-site environments.

You will design, build, test, and maintain network infrastructure, implement new technologies, and collaborate with senior stakeholders to align with customer strategy while sustaining high security and resilience.