Security Control Assessor (SCA)

Mission Technologies, a division of HII; Springfield (VA); On-site; USD 85,185 - 135,000; Full time

Job summary

Mission Technologies, a division of HII, is hiring a Security Controls Assessor to evaluate and enhance the security posture of information systems for a high-impact government program. The candidate must possess an active TS/SCI clearance and be able to obtain a CI Poly. Responsibilities include assessing security controls, documenting findings, and recommending actions to address vulnerabilities.

This full-time position offers a salary range between $85,185 and $135,000 based on experience. The ideal candidate should have 4+ years of experience in security configurations and familiarity with cybersecurity tools.

Qualifications

• 4+ years of experience applying or validating security configurations and controls on enterprise operating systems.
• Technical understanding of enterprise operating systems, components, protocols, and services.
• Experience applying the Risk Management Framework to secure enterprise information systems.

Responsibilities

• Reviewing and assessing system security packages and bodies of evidence.
• Conducting and documenting the effectiveness of security controls applied to information systems.
• Assessing system weaknesses and recommending corrective actions.

Skills

Security configurations and controls

Technical documentation

Cybersecurity tools (ACAS, ServiceNow CAM)

Communication skills

Tools

Windows

RHEL

Active Directory

ACAS

AV

Job description

Requisition Number: 29043

Employment Type: Full Time/Salaried/Exempt | Required Travel: 0‑10% | Security Clearance: TS/SCI | Level of Experience: Mid

Summary

This position is a Security Controls Assessor (SCA) within HII Mission Technologies’ Cyber and Intelligence division. The role focuses on evaluating, validating, and strengthening the security posture of enterprise information systems for a high‑impact government program scheduled to launch in early 2026. An active TS/SCI clearance and the ability to obtain a CI Poly are required.

Responsibilities

• Reviewing and assessing system security packages and bodies of evidence.
• Conducting and documenting the effectiveness of management, operational, and technical security controls applied to information systems.
• Assessing system weaknesses or deficiencies and recommending corrective actions.
• Providing initial mitigation of cybersecurity incidents, supporting incident investigations, and closing incidents.
• Assessing proposed hardware, software, and firmware for vulnerabilities.
• Drafting and submitting formal documentation, including Security Assessment Reports, Cybersecurity Assessment Reports, Compliance Reports, Incident Reports, and Technical Assessment Reports.
• Reviewing and assessing Plans of Actions and Milestones.

Qualifications

• 4+ years of experience applying or validating security configurations and controls on enterprise operating systems (SCA, ISSO, ISSE, or systems administrator).
• Technical understanding of enterprise operating systems, components, protocols, and services (Windows, RHEL, Active Directory, ACAS, AV, etc.).
• Experience applying the Risk Management Framework to secure enterprise information systems in the DoD/IC space.
• Developing and maintaining technical documentation such as Security Assessment Reports, System Security Plans, Plans of Action and Milestones, Security Controls Traceability Matrices, etc.
• Experience with cybersecurity tools such as ACAS and ServiceNow CAM.
• Excellent written and verbal communication skills and ability to present technical concepts to senior leadership.

Required Skills & Certifications

• TS/SCI clearance required; ability to obtain CI Poly.
• Must meet DoD 8140/CSWF 612‑Intermediate or be willing to obtain the credential within 6 months.
• Willingness to travel up to 10% annually.

Salary Range

Security Controls Accessor: $85,185 - $135,000
Senior Security Controls Accessor: $104,738 - $150,000

EEO Statement

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, veteran status, or any other basis protected by federal, state, or local law.

Accommodations

If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to [e-mail] and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Only inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.