Senior Network Administrator (UK)
Core
Design, deploy, and maintain secure networks for classified and unclassified environments supporting critical national security missions.
Role type
Senior Network Administrator (Defense/Security)
Builds
Secure network infrastructure for defense programs
Domain
Defense technology / Network Security
Deliverable
infrastructure
Required skills
Palo Alto firewalls (PAN-OS, Panorama, GlobalProtect), Aruba switching/wireless/ClearPass, TCP/IP, BGP, OSPF, VLANs, VPNs, RMF, NIST 800-53, STIGs, incident response, vulnerability remediation
Preferred skills
PCNSE, Aruba certifications (ACMP, ACDX), Python, Ansible, AWS GovCloud, Azure Government, Zero Trust/SASE, Zscaler, high-availability systems, defense contractor experience
Technologies
Palo Alto, Aruba, ClearPass, PAN-OS, Panorama, GlobalProtect, Python, Ansible, AWS GovCloud, Azure Government, Zscaler
Responsibilities
Design and deploy secure networks across classified and unclassified environments; Run Palo Alto firewalls and Aruba switching/wireless/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)
Seniority
Senior, hands-on IC