Senior Cyber Defense Network Administrator

Peraton; Tampa (FL); On-site; USD 80,000 - 128,000; Full time

Job summary

Peraton seeks a Senior Network Security Administrator to support SITEC at MacDill AFB, Florida. You will oversee daily operations, configure firewalls, IDS/IPS, VPNs, and security gateways while ensuring defense-in-depth posture and compliance with DISA STIGs.

Candidates must have DoD TS/SCI clearance, DoD 8570 IAT II certification, CCNA, and extensive DoD network security experience. This role requires coordination with SOCs, IT teams, and program stakeholders in a mission-critical environment.

Qualifications

• DoD 8570 IAT II certification required for the role.
• CCNA certification required or equivalent.
• DoD TS/SCI clearance is required.

Responsibilities

• Daily operations & monitoring of network security infrastructure (firewalls, IDS/IPS, VPNs, gateways).
• Configure and maintain security appliances and software per technical plans and baselines.
• Apply patches, hardening, and perform high-risk changes.
• Troubleshoot complex network/security issues to minimize downtime.
• Maintain baseline configurations and documentation.
• Collaborate with SOC and IT teams on defense‑in‑depth measures and incident response.
• Create and maintain network topology diagrams, logs, inventories, and SOPs.
• Identify and remediate vulnerabilities; monitor for security advisories.

Skills

IAT II Certification

CCNA

DoD 8570

Education

BS/BA in IT/CS/IS

Tools

Cisco Firepower

Cisco FMC

Cisco ISE

Stealthwatch

Forescout CounterACT

Job description

Peraton seeks a Senior Network Security Administrator to support SITEC at MacDill AFB, Florida. You will oversee daily operations, configure firewalls, IDS/IPS, VPNs, and security gateways while ensuring defense-in-depth posture and compliance with DISA STIGs.

Candidates must have DoD TS/SCI clearance, DoD 8570 IAT II certification, CCNA, and extensive DoD network security experience. This role requires coordination with SOCs, IT teams, and program stakeholders in a mission-critical environment.