Senior Network Security Administrator – Defense NetOps

Peraton; Town of Florida (NY); On-site; USD 80,000 - 128,000; Full time

Job summary

Peraton seeks a Senior Network Security Administrator to support SITEC-3 EOM, located at MacDill AFB in Florida. The role covers day-to-day security operations, lifecycle support, and defense-in-depth for government networks.

The candidate will manage complex configurations, apply high-risk changes, and coordinate with SOC and stakeholders to maintain secure, compliant environments across enterprise networks.

Qualifications

• DoD 8570 IAT II Certification required; CCNA certification also required; TS/SCI clearance required.
• Minimum experience: 12 years with HS, 10 with AS/AA, 8 with BS/BA, 6 with MS/MA, 3 with PhD.

Responsibilities

• Daily Operations & Monitoring of network security infrastructure: firewalls, IDS/IPS, VPNs, and web/email gateways.
• Equipment Configuration: install, configure, and maintain security appliances per approved plans.
• System Patching & Hardening: apply patches and firmware upgrades per government baselines (DISA STIGs).
• Troubleshooting & Diagnostics: diagnose and resolve complex network and security issues to minimize downtime.
• Baseline Management: maintain and document security appliance configurations and baselines.
• Collaborative Defense: work with SOC, IT teams, and stakeholders on defense-in-depth measures and incident response.
• Technical Documentation: maintain network topology diagrams, logs, asset inventories, SOPs.
• Vulnerability Remediation: identify vulnerabilities and implement remediation actions.
• Monitor security advisories and ensure updates and preventive measures are in place.
• Use monitoring tools to track user activity, traffic, and threats; identify anomalies.

Skills

CCNA

DoD TS/SCI clearance

DoD 8570 IAT II Certification

Education

HS Diploma

AS/AA

BS/BA

MS/MA

PhD

Job description

Peraton seeks a Senior Network Security Administrator to support SITEC-3 EOM, located at MacDill AFB in Florida. The role covers day-to-day security operations, lifecycle support, and defense-in-depth for government networks.

The candidate will manage complex configurations, apply high-risk changes, and coordinate with SOC and stakeholders to maintain secure, compliant environments across enterprise networks.