Security Control Assessor; SCA) II

* 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 SAREvaluate 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/DAOAssess 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…