Security Control Assessor - TS/SCI with Polygraph required

General Dynamics
Mc Lean, Virginia 22107 United States  View Map
Posted: Jun 06, 2026
  • Full Time
  • Federal Government
  • Summary

    Security Control Assessor

    Seize your opportunity to make a personal impact as a Security Control Assessor supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. As aSecurity Control Assessor, you will help ensure today is safe and tomorrow is smarter.

    HOW A SECURITY CONTROL ASSESSOR WILL MAKE AN IMPACT

    • Evaluates the security controls within network systems to identify vulnerabilities and recommend actions to correct problems working either alone or as part of a team.
    • Ensures integrity of IT systems by identifying and mitigating potential avenues of exploitation including system level attacks and user level attacks.
    • Applies experience with RMF, CNSSI 1253, NIST SP 800-53 Rev 5, and NISPOM
    • Applies experience with Security Technical Implementation Guides (STIGs) and Security Content Automation Protocol (SCAP) Compliance Checker (SCC)
    • Demonstrated experience conducting hands on security testing, analyzing results, documenting risks, and recommending countermeasures
    • Demonstrated experience developing risk assessment reports based on review of security plans and interviews with developer/customer assess systems against information assurance policies, regulations and instructions
    • Develops and documents security evaluation test plans and procedures
    • Demonstrated experience testing security architectures of cloud-based systems and applications, identifying vulnerabilities and providing security remediation

    WHAT YOU'LL NEED TO SUCCEED:

    • Education: Bachelor's Degree (Computer Science or Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline)
    • Required Experience: 10+ yrs (Must have 4+ yrs of hands-on SCA experience)
    • Clearance: TS/SCI with Polygraph
    • Required Technical Skills:
    • Compliance and vulnerability scanning tools (XACTA, RedSeal, Tenable, Nessus, Splunk, and/or other vulnerability scanners)
    • Strong understanding of the Assessment and Authorization (A&A) process including Cloud Best Practices
    • Excellent oral and technical writing skills
    • Strongly Desired Certifications: CASP, CISA, CISSP, AWS Cloud Practitioner, AWS Solutions Architect Associate, Microsoft AZ 900, Microsoft AZ-500
    • Security Clearance Level: TS/SCI with active polygraph
    • Location: McLean, VA - On Customer Site

    GDIT IS YOUR PLACE:

    • 401K with company match
    • Comprehensive health and wellness packages
    • Internal mobility team dedicated to helping you own your career
    • Professional growth opportunities including paid education and certifications
    • Cutting-edge technology you can learn from
    • Rest and recharge with paid vacation and holidays
  • Job Description

    Security Control Assessor

    Seize your opportunity to make a personal impact as a Security Control Assessor supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. As aSecurity Control Assessor, you will help ensure today is safe and tomorrow is smarter.

    HOW A SECURITY CONTROL ASSESSOR WILL MAKE AN IMPACT

    • Evaluates the security controls within network systems to identify vulnerabilities and recommend actions to correct problems working either alone or as part of a team.
    • Ensures integrity of IT systems by identifying and mitigating potential avenues of exploitation including system level attacks and user level attacks.
    • Applies experience with RMF, CNSSI 1253, NIST SP 800-53 Rev 5, and NISPOM
    • Applies experience with Security Technical Implementation Guides (STIGs) and Security Content Automation Protocol (SCAP) Compliance Checker (SCC)
    • Demonstrated experience conducting hands on security testing, analyzing results, documenting risks, and recommending countermeasures
    • Demonstrated experience developing risk assessment reports based on review of security plans and interviews with developer/customer assess systems against information assurance policies, regulations and instructions
    • Develops and documents security evaluation test plans and procedures
    • Demonstrated experience testing security architectures of cloud-based systems and applications, identifying vulnerabilities and providing security remediation

    WHAT YOU'LL NEED TO SUCCEED:

    • Education: Bachelor's Degree (Computer Science or Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline)
    • Required Experience: 10+ yrs (Must have 4+ yrs of hands-on SCA experience)
    • Clearance: TS/SCI with Polygraph
    • Required Technical Skills:
    • Compliance and vulnerability scanning tools (XACTA, RedSeal, Tenable, Nessus, Splunk, and/or other vulnerability scanners)
    • Strong understanding of the Assessment and Authorization (A&A) process including Cloud Best Practices
    • Excellent oral and technical writing skills
    • Strongly Desired Certifications: CASP, CISA, CISSP, AWS Cloud Practitioner, AWS Solutions Architect Associate, Microsoft AZ 900, Microsoft AZ-500
    • Security Clearance Level: TS/SCI with active polygraph
    • Location: McLean, VA - On Customer Site

    GDIT IS YOUR PLACE:

    • 401K with company match
    • Comprehensive health and wellness packages
    • Internal mobility team dedicated to helping you own your career
    • Professional growth opportunities including paid education and certifications
    • Cutting-edge technology you can learn from
    • Rest and recharge with paid vacation and holidays
  • ABOUT THE COMPANY

    • Government Careers
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    Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service.

    Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.

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