Security Control Assessor

General information

Requisition #

R71339

Locations

USA-VA-Quantico, USA-DC-Washington, USA-AL-Huntsville

Posting Date

10/14/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

Senior Security Control Assessor

Position Summary:

ManTech is seeking a motivated, career, and customer-oriented Senior Security Control Assessor (SCA) to join our team in Washington, D.C., Chantilly, VA, Quantico, VA, or Huntsville, AL. The successful candidate will provide expert security assessment and authorization (SAA) guidance, configuration management, and baseline security control support to safeguard critical intelligence and operational systems.

Responsibilities:

• Configuration Management & Strategy: Provide overall configuration management (CM) infrastructure and environment support to the product development team. Develop or modify CM plans, policies, and procedures tailored to the complexity and scope of developmental and operational systems.
• SAA & Compliance Management: Ensure FBI Information Systems (ISs) are operated, maintained, and disposed of in accordance with internal security policies and approved Security Assessment and Authorization (SAA) packages. Manage the SAA process for new and legacy FBI ISs migrating into the GRC application.
• Security Control Baseline & Impact Recommendation: Provide baseline security controls to system owners based on system categorization, entity type, and processed information. Recommend system impact levels and authorization boundaries to the Authorizing Official in consultation with system owners.
• Interconnection Governance: Initiate, coordinate, and recommend Interconnection Security Agreements (ISAs), Memoranda of Understanding (MOUs), and Memoranda of Agreement (MOAs) permitting interconnection between FBI ISs and non-FBI or joint-use systems.
• System Security Plan (SSP) & Testing: Perform independent reviews of System Security Plans (SSPs) and make approval decisions. Negotiate required testing levels for ISs with the Enterprise Information Security Section and the FBI Authorizing Official.
• Inspections & Audits: Coordinate security inspections, tests, and reviews with security personnel and system owners. Submit final SAA packages to the FBI Authorizing Official for ATO decisions. Maintain configuration baselines, perform change control, and conduct configuration audits for developmental and operational systems.
• Risk Advisory & Documentation: Ensure Security ATO Electronic Communications (ECs) are serialized into Sentinel under applicable case file numbers. Advise the FBI Authorizing Official of IS vulnerabilities and residual risks.

Minimum Qualifications:

Experience:

• Minimum of 7 years serving as an Information System Security Representative (ISSR) or in a similar role at a cleared facility.
• Minimum of 10 years of experience in computer science or cybersecurity-related fields.
• Certifications: Must hold at least one (1) DoD 8140/8570 compliant certification:
• CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CISSP-ISSAP, CySA+, GSLC, GSNA, CCNP Enterprise, GCIA, GDSA, or GICSP.
• Technical Skills: Hands-on experience with security evaluation and vulnerability assessment tools, including Tenable Nessus / Security Center, IBM Guardium, HP Web Inspect, Network Mapper (NMAP), or similar applications.

Preferred Qualifications:

• Bachelor's or advanced degree in Computer Science, Cybersecurity, or a related cyber discipline.

Clearance Requirements:

• Must possess an active Top Secret security clearance and be willing and able to obtain SCI eligibility prior to starting.
• Must be willing to sit for a polygraph examination if required.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and printer.
• Often positions self to maintain computers in the lab, including under desks and in server closets.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.