DoD Security Systems Administrator – STIGs & RMF Expert

Zachary Piper Solutions; Virginia (MN); Hybrid; USD 100,000 - 135,000; Full time

Benefits offered by this job

Health insurance

Job summary

Zachary Piper Solutions is seeking a System Administrator to join the Security and Electronic team. The role will support design, engineering, integration, operation, and maintenance of electronic security services at DoD sites Ft. Belvoir and Chantilly, VA.

This position requires active TS/SCI clearance with polygraph eligibility and a strong background in DoD security standards. You will administer Windows/Linux servers, harden systems per STIGs, conduct vulnerability scanning, and help secure

Qualifications

• Active TS/SCI clearance with the ability to obtain TS/SCI with Polygraph.
• 5+ years IT/Cybersecurity experience (Bachelor’s) or 3+ years with Master’s.
• Knowledge of DoD RMF lifecycle, NIST 800-53 controls, and supporting documentation (eMASS, POA&M).
• Hands-on experience with ACAS, HBSS, vulnerability scanning, mitigation, and STIG implementation across systems.

Responsibilities

• Implement DoD STIGs across traditional IT and OT systems.
• Familiarity with system hardening, patch management, and STIG implementation.
• Administer, maintain, and optimize Windows/Linux servers, network devices, and OT systems.
• Perform system hardening, patching, and configuration management per DoD STIGs and baselines.
• Perform vulnerability scanning and document system vulnerabilities.
• Assist in network and control system troubleshooting, including firewalls, switches, and segmented OT networks.

Skills

Active TS/SCI clearance

TS/SCI with polygraph eligibility

Cybersecurity risk assessment

Vulnerability remediation

Strong troubleshooting

Scripting: PowerShell Bash Python

Education

Master’s degree in IT / Cybersecurity

Bachelor’s degree in IT / Cybersecurity

Tools

ACAS

HBSS

Nessus

eMASS

Job description

Zachary Piper Solutions is seeking a System Administrator to join the Security and Electronic team. The role will support design, engineering, integration, operation, and maintenance of electronic security services at DoD sites Ft. Belvoir and Chantilly, VA.

This position requires active TS/SCI clearance with polygraph eligibility and a strong background in DoD security standards. You will administer Windows/Linux servers, harden systems per STIGs, conduct vulnerability scanning, and help secure