Senior Network Engineer - Secure DoD Network (UK SC)

Chaos Industries; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Private medical, dental and vision (6)

Relocation assistance

Annual bonuses

Fully stocked kitchen

Free daily lunch on-site

Job summary

Chaos Industries in the United Kingdom is seeking an experienced network professional to own the secure network behind a defence programme, from architecture through day-to-day operations. You will design, deploy and maintain networks across classified and unclassified environments, using Palo Alto firewalls and Aruba switching and wireless gear to ensure uptime and security.

The role requires hands-on expertise with TCP/IP, BGP, OSPF, VLANs and VPNs, plus RMF/NIST 800-53 and STIGs.

Qualifications

• 8+ years in network administration in enterprise or DoD-like environments.
• Hands-on experience with Palo Alto NGFW, Panorama and GlobalProtect.
• Hands-on Aruba switching, wireless, and ClearPass NAC.
• Strong TCP/IP, BGP, OSPF, VLANs and VPNs expertise.
• Experience in classified environments (SIPR/NIPR or equivalent).
• Familiarity with RMF, NIST SP 800-53 and STIGs.
• Active UK SC clearance (DV preferred) or eligibility to obtain SC.

Responsibilities

• Design, deploy and maintain secure networks across classified and unclassified environments.
• Run Palo Alto firewalls and Aruba networking gear.
• Implement segmentation, zero-trust and policy enforcement.
• Monitor performance, troubleshoot complex issues and support incident response.
• Handle vulnerability remediation and system accreditation (ATO).

Skills

Network administration

Palo Alto NGFW

Aruba switching/WLAN

TCP/IP/BGP/OSPF/VLANs/VPNs

RMF/NIST 800-53/STIGs

UK SC clearance / eligibility

Tools

Palo Alto PAN-OS/Panorama

Aruba ClearPass NAC

Aruba switching

Job description

Chaos Industries in the United Kingdom is seeking an experienced network professional to own the secure network behind a defence programme, from architecture through day-to-day operations. You will design, deploy and maintain networks across classified and unclassified environments, using Palo Alto firewalls and Aruba switching and wireless gear to ensure uptime and security.

The role requires hands-on expertise with TCP/IP, BGP, OSPF, VLANs and VPNs, plus RMF/NIST 800-53 and STIGs.