# Senior Network Administrator (UK) at Chaosindustries

- Company: Chaosindustries
- Status: Open
- Workplace: On-site
- Location: London, England, United Kingdom
- Level: Senior
- Discipline: DevOps & SRE
- Employment: Full-time
- Posted: 2026-11-02
- Skills: Palo Alto, Aruba
- Apply: https://job-boards.greenhouse.io/chaosindustries/jobs/5277080007

## Description

Senior Network Administrator (Palo Alto / Aruba)
London (On-site) | £70,000 - £85,000 + pre-IPO stock options 
 Please note: Active UK SC clearance (DV preferred), or eligibility to obtain SC. 
 Own the secure network behind a UK defence programme, from architecture through to day-to-day operations. 
 CHAOS Industries is a defense technology company, founded in 2022, that has raised $1 billion from investors including 8VC, Accel and Valor Equity Partners. You’ll own the design, security and uptime of the network that supports critical national security missions.
 What you’ll do 
• Design, deploy and maintain secure networks across classified and unclassified environments
• Run Palo Alto firewalls (PAN-OS, Panorama, GlobalProtect) and Aruba switching, wireless and ClearPass
• Implement segmentation, zero-trust and policy enforcement
• Monitor performance, troubleshoot complex issues and support incident response
• Handle vulnerability remediation, RMF/STIG compliance and system accreditation (ATO)
 You’re a fit if you have 
• 8+ years in network administration in enterprise or DoD environments
• Hands-on Palo Alto experience (NGFW, Panorama, VPNs, threat prevention)
• Hands-on Aruba experience (switching, wireless, ClearPass NAC)
• Strong TCP/IP, BGP, OSPF, VLANs and VPNs
• Experience in classified environments (SIPR/NIPR or equivalent)
• Familiarity with RMF, NIST 800-53 and STIGs
• Active UK SC clearance (DV preferred), or eligibility to obtain SC
 Nice to have 
• PCNSE or higher
• Aruba certifications (ACMP, ACDX, etc.)
• Network automation (Python, Ansible, APIs)
• Cloud

More Chaosindustries roles: https://deviantjobs.com/companies/chaosindustries