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Activity Security Representative Senior

Modern Technology Solutions, Inc.
401(k)
United States, Ohio, Dayton
Mar 17, 2026
MTSI is seeking a skilled and proactive Security Professional to support all aspects of security across our organization. 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.
You'll be a great fit for this role if:
*You have a passion for aerospace, defense, and space systems and advanced technologies.
*You understand the urgent need to modernize our defense systems and give our troops the best possible tools.
*Paying attention to detail and providing excellent customer service in a professional environment is a skill you excel at.
*You are passionate about continuous learning and growth, and you seek opportunities to challenge yourself.
*You are driven to make a meaningful impact through your work.
Responsibilities:
Duties to be independently executed include but are not limited to:
  • Oversee all aspects of program security.
  • SuperviseSpecialAccessPrograms.
  • Analyze security procedures and provide recommendations to the program and partners.
  • Support internal and external security briefings.
  • Coordinate and develop security procedures and guidance with internal and external organizational partners.
  • Advise and coordinate facility security requirements and approvals.
  • ManageInformationSystemsSecurity.
  • Generatesecurity classification guidance.
  • Ensureappropriatesecurityrequirements are incorporated into contractual documents.
  • Develop security plans in support of program activities and events.
  • Classification reviews of inbound and outbound correspondence.
  • Assistin the maintenance of a document accountability database and associated correspondence.
  • Process inbound and outbound classified mail and receipt records.
  • Perform destruction of classified materials.
  • Process magnetic media for accountability.
  • Reproduction support for classified materials.
  • Maintainvarious daily logs for a variety of administrative functions associated with document control.
  • Assistin the processing of inbound data and outbound data transfer files.
  • Transfer electronic data files to internal customers.
  • Maintain an extensive customer database point of contact listing.
  • Assistwith researching, processing, filing, andmaintaininginbound and outbound visit notices.
  • Escort facility visitors andmaintainsassociated logs.
  • Assistin the preparation of facility access control badges.
  • Conduct entry and exit inspections.
  • Assistin the maintenance of facility access control entry systems, to include visitor control.
  • Perform data entry to the Personnel Access Security System database andmaintainall customer sponsored billets and quota information.
  • Assistinmaintainingpersonnel security files for all personnel of the supported element.
  • Follow and enforce the customer's Standard Operating Procedures.
  • Provide support for security awareness and education programs.
  • Perform miscellaneous administrative support functions as directed by the contractor site lead and/or the Senior Security Representative.
  • Review, track, andmonitorsecurity clearance processing activities withappropriate governmentpersonnel to achieveappropriate clearanceactions.
  • Participate in Air Force SAP security compliance inspections of government organizations and industry.
  • Implement Top Secret Control for accountable material and associated correspondence.
  • Prepare and/or process inbound and outbound classified mail, faxes, courierpackagesand receipts.
  • Prepare, process, and/or review Program Access Request (PARs) for accuracy and access eligibility.
  • Execute Special Access Program Nomination Process Questionnaires.
  • Conduct Defense Central Index of Investigations (DCII),Defense Information System for Security (DISS), and SAPNP reviews of candidates beingsubmittedfor SAP access.
  • Perform data entry and record checks in Joint Access Database (JADE) andmaintainall customer sponsored personnel access information current.
  • Perform indoctrinations.
  • Provide leadership, mentoring, and quality assurance for Team Members.
Qualifications Required:
  • A minimum of10years of related experienceis required. Prior experience as a Government SAP Security Officer (GSSO), Contractor Special Security Officer (CSSO),Program Security Representative(PSR)orFacility Security Officer (FSO) highly desired.
  • Experience working in SAP facilities/programs highly desired.
  • Must complete the DoD SAPCO approved SAPNP training (if performing personnel security functions).
  • Willingness tosubmitto 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 withnumerousDOD, military/civilianpersonneland industry partners.
  • Working knowledge of Microsoft Office (Word, PowerPoint, and Excel).
  • Possess a high degree of initiative and the ability to perform day-to-day tasks with minimal supervision.
  • Willingness to travel within various facilities at WPAFB.
Clearance Requirements:
* Mustpossessan active DoDTS/SCI with in-scope SSBI and SAP eligibility.
* Pleasenote:U.S. Citizenship isrequired.





  • 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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