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Activity Security Representative

Modern Technology Solutions, Inc.
401(k)
United States, Ohio, Dayton
Jun 30, 2026
MTSI is seeking a skilled and proactive Security Professional to support all aspects of industrial security. This role will involve overseeing corporate security initiatives, including (but not limited to) Information Security (INFOSEC), Physical Security (PHYSEC), Industrial Security (INDUSEC), and Personnel Security (PERSEC), while also ensuring the protection of technology within our capability development portfolio. The ideal candidate will possess strong critical thinking skills and a "get to yes" mindset, enabling them to navigate complex security challenges while driving solutions. Success in this position requires the ability to assess risks, identify vulnerabilities, and develop comprehensive strategies to protect both corporate and technological assets, all while maintaining a collaborative and solution-oriented approach. Work location is in Dayton, OH.
Responsibilities:
Duties to be independently executed include but are not limited to:
  • Develop and coordinate security guidance and procedures with internal and industry partners.
  • Draft and collaborate on security documents to execute security requirements.
  • Perform administrative security tasks.
  • Assist in GSSO assigned teaks.
  • Prepare, process, and/or review Program Access Request (PARs) for accuracy and access eligibility.
  • Perform data entry and record checks in Joint Access Database (JADE) and maintain all customer sponsored personnel access information current.
Qualifications Required:
  • A minimum of 5 years of experience as a Government SAP Security Officer (GSSO), Activity Security Representative (ASR), Contractor Special Security Officer (CSSO), Program Security Representative (PSR), Facility Security Officer (FSO) or industry equivalents.
  • Experience working in SAP-F or SCIF facilities/programs.
  • Must complete the DoD SAPCO approved SAPNP training (if performing personnel security functions).
  • Willingness to submit to a Counterintelligence polygraph.
  • Must be familiar with security policy/manuals and the DoD 5205.7 Vol 1-4, & ICD 705.1 and other guiding policydocuments.
  • Must have the ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners.
  • Possess a high degree of initiative and the ability to perform day-to-day tasks with minimal supervision.
  • Willingness to travel within various facilities CONUS.
Education:
Bachelor's degree. Years of experience may be substituted for education.
Clearance Requirements:
* Must possess an active DoD TS/SCI with in-scope SSBI and SAP eligibility.
* Please note:U.S. Citizenship is required.
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  • Interesting Work:



    Our co-workers support some of the most important and critical programs to our national defense and security.






  • Values:



    Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.






  • 100% Employee Owned:



    We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.






  • Great Benefits - Most Full-Time Staff Are Eligible for:





    • Starting PTO accrual of 20 days PTO/year + 10 holidays/year


    • Flexible schedules


    • 6% 401k match with immediate vesting up to $9k annually


    • Semi-annual bonus eligibility (July and December)


    • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account


    • Up to $10,000 in annual educational reimbursement


    • Other company funded benefits, like life and disability insurance


    • Optional zero deductible Blue Cross/Blue Shield health insurance plan







  • Track Record of Success:



    We have grown every year since our founding in 1993.




Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com

MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.


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