DV-Cleared Level 3 Network Engineer (Onsite)

Experis - ManpowerGroup; Corsham; On-site; GBP 63,000 - 105,000; Full time

Job summary

Experis - ManpowerGroup is seeking a DV-cleared Level 3 Network Engineer for an onsite role in Corsham. The 6‑month contract may extend, with a daily rate up to £570 via an approved umbrella company.

You will support secure network infrastructure on a high-profile programme, handling L3 incidents, changes, and documentation. Required: strong LAN/WAN, routing, switching, firewall expertise and DV clearance eligibility.

Qualifications

• Experience in network engineering within enterprise or secure environments.
• DV clearance eligibility and willingness to go through DV clearance process.
• Strong documentation and communication skills.

Responsibilities

• Onboarding and offboarding network nodes across secure environments.
• Install, configure, deploy, and maintain network devices, firewalls, and supporting infra.
• Provide Level 3 support across LAN, WAN, and core network services.
• Assist with network design changes, upgrades and technical improvements.
• Investigate and resolve complex Level 3 incidents, problems and defects.
• Collaborate with third parties and stakeholders to implement service changes.
• Produce and update network design and technical documentation.
• Manage cryptographic devices within a secure environment.

Tools

Cryptographic devices

LAN/WAN

Routing

Switching

Firewall

Job description

Experis - ManpowerGroup is seeking a DV-cleared Level 3 Network Engineer for an onsite role in Corsham. The 6‑month contract may extend, with a daily rate up to £570 via an approved umbrella company.

You will support secure network infrastructure on a high-profile programme, handling L3 incidents, changes, and documentation. Required: strong LAN/WAN, routing, switching, firewall expertise and DV clearance eligibility.