Security Control Assessor (SCA) II with Security Clearance

System High Corporation; Bedford (MA); On-site; USD 110,000 - 170,000; Full time

Job summary

System High Corporation is seeking a Security Control Assessor II to perform comprehensive assessments of IS security controls across SAP, SCI, and Collateral programs. You will advise government stakeholders, evaluate risk, and help ensure authorization readiness throughout RMF processes.

The role requires a Top-Secret clearance with SCI eligibility and a background in implementing and evaluating security controls aligned with JSIG guidance.

Qualifications

• Bachelor's degree or 4 years of equivalent experience.
• DoD 8570.01-M IA cert required within 6 months of hire.
• 4+ years SAP/SCI/Collateral IS security experience.
• Top-Secret clearance with SCI eligibility.

Responsibilities

• Oversee development, implementation and evaluation of IS security program policy.
• Assess ISs using RMF methodology per JSIG guidance.
• Advise ISO/IDO/PSO/DAO on assessment issues and authorization packages.
• Prepare SAR and POA&M documentation for authorizations.
• Evaluate threats, vulnerabilities, and impact levels; ensure SDLC compliance.
• Support government security inspections and incident response.

Skills

TS/SCI Clearance

RMF/JSIG knowledge

Security assessment

Policy/governance experience

Education

Bachelor's degree in a related discipline

Tools

RMF

JSIG

Job description

• This position requires a TS/SCI Clearance and Special Access Program Experience* At System High Corporation-a Top Washington-Area Workplace (The Washington Post, 2023-2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three-time VETS Indexes 3-Star Employer-we protect and advance the nation's most critical missions. As part of our team, you'll tackle complex security challenges across SAP, SCI, and Collateral programs. If you're driven by national security, innovation, and integrity, we want to hear from you. Position Overview System High Corporation delivers the most advanced protection and secrecy solutions to secure and strengthen critical missions, programs, operations, and intelligence activities. We are seeking a Security Control Assessor (SCA) II to help contribute to our success and help us solve problems with innovation through intelligence. The SCA is responsible for conducting a comprehensive assessment of the management, operational, and technical security controls employed within or inherited by an IS to determine the overall effectiveness of the controls (i.e., the extent to which the controls are implemented correctly, operating as intended, and producing the desired outcome with respect to meeting the security requirements for the system). SCAs also provide an assessment of the severity of weaknesses or deficiencies discovered in the IS and its environment of operation and recommend corrective actions to address identified vulnerabilities. Responsibilities will cover Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities within the customer's area of responsibility. Duties include, but not limited to:
• Perform oversight of the development, implementation and evaluation of IS security program policy; special emphasis placed upon integration of existing SAP network infrastructure
• Perform assessment of ISs, based upon the Risk Management Framework (RMF) methodology in accordance with the Joint Special Access Program (SAP) Implementation Guide (JSIG)
• Advise the Information System Owner (ISO), Information Data Owner (IDO), Program Security Officer (PSO), and the Delegated and/or Authorizing Official (DAO/AO) on any assessment and authorization issues
• Evaluate Authorization packages and make recommendation to the AO and/or DAO for authorization
• Evaluate IS threats and vulnerabilities to determine whether additional safeguards are required
• Advise the Government concerning the impact levels for Confidentiality, Integrity, and Availability for the information on a system
• Ensure security assessments are completed, and results documented and prepare the Security Assessment Report (SAR) for the Authorization boundary
• Initiate a Plan of Action and Milestones (POA&M) with identified weaknesses for each Authorization Boundaries assessed, based on findings and recommendations from the SAR
• Evaluate security assessment documentation and provide written recommendations for security authorization to the Government
• Discuss recommendation for authorization and submit the security authorization package to the AO/DAO
• Assess proposed changes to Authorization boundaries operating environment and mission needs to determine the continuation to operate.
• Review and concur with all sanitizations and clearing procedures in accordance with Government guidance and/or policy
• Assist the Government compliance inspections
• Assist the Government with security incidents that relate to cybersecurity and ensure that the proper and corrective measures have been taken
• Ensure organization are addressing and conducting all phases of the system development life cycle (SDLC)
• Evaluate Hardware and Software to determine security impact that it might have on Authorization boundaries
• Evaluate the effectiveness and implementation of Continuous Monitoring Plans
• Represent the customer on inspection teams Qualifications Clearance
• Current Top-Secret Clearance with SCI Eligibility
• Eligibility for access to Special Access Program Information
• Willingness to submit to a Counterintelligence polygraph Years of Experience
• 7 - 9 years related experience
• Minimum of four (4) years' experience in SAP, SCI or Collateral Information Systems (IS) Security and the implementation of regulations identified in the description of duties.
• Prior performance in the role of ISSO and ISSM or SCA Education
• Bachelor's degree in a related discipline or equivalent experience (4 years) Certifications
• Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 3 or Information Assurance Manager Level 2 within 6 months of the date of hire Other Requirements
• Must be able to regularly lift 50lbs Additional Information
• This job description is not designed to cover or contain all job duties required of the employee. There may be additional activities, duties and/or responsibilities that are required for this position that are not listed in this job description.
• In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.
• System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career.
• System High values the power and strength of diverse backgrounds on the culture and performance of our company. We strive to maintain an inclusive culture to encourage each employee to bring their whole self to the mission.
• System High Corporation is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, veteran status, or any other characteristic protected by law. We are proud to be an equal opportunity workplace.