STIG Remediation Specialist - TS/SCI with Polygraph

General Dynamics Information Technology (GDIT) is seeking a STIG Remediation Specialist to enhance the security and compliance of IT systems supporting government and defense clients. This role focuses on implementing, maintaining, and enforcing Security Technical Implementation Guide (STIG) compliance across multiple platforms, ensuring adherence to DoD and federal cybersecurity policies.

As part of GDIT’s cybersecurity and systems administration team, you will work closely with system engineers, network administrators, and security analysts to secure mission-critical environments.

Key Responsibilities:

• Conduct STIG assessments, vulnerability scans, and compliance audits using tools like STIG Viewer, SCAP Compliance Checker, ACAS, and Tenable/Nessus.
• Perform system hardening and configuration changes to ensure adherence to DISA STIGs and CIS benchmarks.
• Apply patches, security updates, and access controls to mitigate vulnerabilities across Windows, Linux, and network environments.
• Support Risk Management Framework (RMF) efforts, assisting with system accreditation, documentation, and continuous monitoring.
• Collaborate with system administrators, network engineers, and cybersecurity teams to integrate security best practices into IT infrastructures.
• Develop and implement GPOs, firewall rules, and automation scripts to maintain system security and compliance.
• Track and document remediation efforts, generating reports for leadership and compliance tracking.
• Stay up to date on evolving cyber threats, DoD policies, and best practices to enhance security posture.

Required Qualifications:

• 3+ years of experience in STIG remediation, vulnerability management, and system hardening.
• Proficiency in Windows, Linux, and networking security administration.
• Experience with security tools such as ACAS, Nessus, SCAP, HBSS, or Splunk.
• Strong understanding of RMF, NIST 800-53, DISA STIGs, and DoD security compliance frameworks.
• Ability to analyze vulnerabilities, implement remediation strategies, and document compliance efforts.
• Security+, CISSP, CEH, or equivalent DoD 8570 certification (preferred).
• Active TS/SCI with Polygraph

Why Join GDIT?

At GDIT, we invest in our employees and provide opportunities for professional growth and career advancement. Benefits include:

401(k) match

Comprehensive health and wellness packages

Dedicated internal mobility team

Paid education and certifications

Exposure to cutting-edge technology

Generous paid vacation and holidays

Join us and take your career to the next level in a mission-critical environment.