Demo

Senior Security Controls Assessor Representative (SCAR)

Modern Technology Solutions, Inc. (MTSI)
Washington, DC Full Time
POSTED ON 10/10/2026
AVAILABLE BEFORE 11/17/2026
Modern Technology Solutions Inc. (MTSI) is seeking a Senior Security Controls Assessor Representative (SCAR) to join our team in support of a high profile Air Force program at Joint Base Anacostia‑Bolling (DC) or Wright‑Patterson AFB (OH).

The candidate will be responsible for assessing and ensuring compliance with applicable security regulations for various classified non-traditional Information Systems (IS)s. This position requires an active Top Secret clearance with SCI eligibility along with Special Access Program read-in/experience. A successful candidate must be a self-starter who possesses initiative, excellent communication skills, the ability to lead diverse teams, to collaborate effectively with cross-functional teams, and a proven problem solver.

Responsibilities

  • Ensuring organizations are addressing cybersecurity during all phases of the System Development Life Cycle and conducting continuous monitoring and reporting requirements
  • Performing oversight of the development, implementation and evaluation of system security program policy with special emphasis placed upon integration of existing Special Access Program (SAP) and Secure Compartmentalized Information (SCI) network infrastructures
  • Performing assessments of non-traditional ISs services (e.g., Command and Control – C2, Platform) based upon the Risk Management Framework (RMF) methodology in accordance with the Joint Special Access Program (SAP) Implementation Guide (JSIG) and Intel Community Directives (ICD)
  • Reviewing and analyzing Assessment & Authorization (A&A) packages for completeness, accuracy, and documenting the effectiveness of controls, plans, and procedures implementation
  • Evaluating Authorization packages and making recommendations to and discussing with the Subordinated, Delegated and/or Authorizing Official (SAO, DAO, and/or AO)
  • Ensuring corrective actions were taken for identified findings and vulnerabilities
  • Documenting and preparing complete Security Assessment Reports (SAR)s and providing Plan of Action and Milestones (POA&M) recommendations/guidance for the authorization boundary
  • Assessing proposed changes to authorization boundaries, the operating environment, and mission needs to determine the continuation to operate
  • Assisting the government in compliance inspections and representing the customer on inspection teams
  • Differentiating between the various types of Cross-Domain Solutions (CDS) and assisting with joint assessments in coordination with other DoD agencies.
  • Reviewing and assessing procedures for clearing, sanitizing, and destroying various types of hardware and media
  • Ensuring organizations are addressing cybersecurity principles used to manage risks related to the use, processing, storage, and transmission of information or data
  • Preparing and delivering briefings on program and/or assessment status to the relevant leadership.

Required Experience

  • 18 years as a Security Controls Assessor (SCA)/ Representative (SCAR) or related experience of which 3 years or more of experience in the role of Information Systems Security Manager (ISSM), Information Systems Security Officer (ISSO), or Information Systems Security Engineer (ISSE); 10 years and a master’s degree can be considered in lieu of 18 years of experience
  • Experience assessing SAP and SCI ISs
  • Experience with authoring A&A documentation and system authorization artifacts for SAP and SCI systems
  • Knowledge of federal security requirements and mandates (e.g., RMF, FIPS, NIST, CNSSI, ICD, and JSIG)
  • Ability to work well independently or as a team member
  • Excellent oral and written communication skills, and ability to clearly translate client technical needs into technical specifications.
  • Demonstrated ability to complete tasks, drive projects to closure, assimilate and correlate project information in a fast-paced environment
  • Demonstrated ability to assess and articulate risk, including to non-technical audiences.

Desired Experience

  • Experience with non-traditional ISs, C2 environment, or Tactical Systems is desired

Required Education

  • Bachelor of Science degree in Computer Science, Cyber, Software Engineering, Data Science, Software Development or STEM-related specialty
  • Master’s degree preferred

Required Certifications In One Or More Of The Following

  • Certified Information Systems Security Professional CISSP or (CISSP-ISSEP/CISSP-ISSAP) or IAT Level III - CEH, CySA , or SСCP.
  • DoD 8140.3 Certified
  • Assessor background/experience is highly preferred

Required Clearance

  • Security Clearance Level Required: Must possess an active Top Secret security clearance, current within five (5) years, based upon a T5 or T5R investigation (formerly known as Single Scope Background Investigation (SSBI) or SSBI Periodic Review (SBPR))

Required Travel

  • May require travel up to 40% of time within the continental United States.

The pay range for this position in is $140,000/year to $200,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

Salary : $140,000 - $200,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Security Controls Assessor Representative (SCAR)?

Sign up to receive alerts about other jobs on the Senior Security Controls Assessor Representative (SCAR) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$114,980 - $148,259
Income Estimation: 
$128,215 - $164,493
Income Estimation: 
$65,440 - $83,454
Income Estimation: 
$102,189 - $143,024
Income Estimation: 
$87,093 - $107,335
Income Estimation: 
$111,725 - $147,313
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Modern Technology Solutions, Inc. (MTSI)

  • Modern Technology Solutions, Inc. (MTSI) Washington, DC
  • MTSI is seeking a Intelligence Analyst - All Source who will provide expertise on current and future foreign systems, capabilities, tactics, techniques, an... more
  • 2 Days Ago

  • Modern Technology Solutions, Inc. (MTSI) Kirtland, NM
  • MTSI is seeking a Information Systems Security Engineer (ISSE) whose primary function will be to serve as the Program Office's information security profess... more
  • 2 Days Ago

  • Modern Technology Solutions, Inc. (MTSI) Las Vegas, NV
  • Modern Technology Solutions, Inc. (MTSI) is seeking a Mid-Level Industrial Security Specialist to join our growing team in Las Vegas, NV. As a Security pro... more
  • 2 Days Ago

  • Modern Technology Solutions, Inc. (MTSI) Shreveport, LA
  • MTSI is seeking a Bomber Survivability Analyst to support AFGSC in advancing bomber survivability, lowobservable operations, and modernization efforts alig... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Senior Security Controls Assessor Representative (SCAR) jobs in the Washington, DC area that may be a better fit.

  • SMS Data Products Group, Inc. Springfield, VA
  • SMS is seeking a Senior Security Controls Assessor and Validator to join our team supporting the United States Coast Guard in Alexandria, VA. The successfu... more
  • 2 Days Ago

  • Aretum Mc Lean, VA
  • Public Trust Eligibility Required About Aretum Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to ... more
  • 17 Days Ago

AI Assistant is available now!

Feel free to start your new journey!