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Security Specialist Subject Matter Expert (SME)

Modern Technology Solutions, Inc.
401(k), remote work
United States, Colorado, Colorado Springs
May 26, 2026
Modern Technology Solutions Inc. (MTSI) is seeking Security Specialist Subject Matter Expert (SME) to provide services supporting U.S. Space Force (USSF) missions, including Special Access Program (SAP), Sensitive Compartmented Information (SCI) security services across the full Research, Develop, Test, and Evaluation (RDT&E) and acquisition lifecycle. The SME will work with multiple MTSI and USSF organizations and their security offices. The SME will work in multi-level classified environments.A successful candidate should be a self-starter who possesses initiative, excellent communication skills, the ability to lead diverse teams and collaborate effectively with cross-functional teams, and a proven problem solver.
Your essential job functions will include but may not be limited to:
  • Interpreting and implementing DoD, National Agency, and AF policies and doctrine to ensure proper compliance, classified information remains protected, and insider threats are mitigated
  • Liaising with external organizations such as Headquarters AFOSI PJ and USSF Security to resolve policy discontinuities and forge new processes
  • Assisting in the development, staffing, and deployment of DD254s to include SCI and SAP addendums
  • Identifying ICD 705 SAPF/SCIF accreditation items and assisting to correct or mitigate risks
  • Advising MTSI and customer leadership on current security policies and procedures, and resourcing required to for obtain and maintain access and protect SAP and SCI information
  • Liaising with other security offices, company and government leadership, and representatives from other organizations to properly implement policies, processes, countermeasures, and enhanced security protocols to reduce or mitigate vulnerabilities to sensitive technologies
  • Providing expertise in the authoring and all aspects of physical security process and Standard Operating Procedures for classified facilities
  • Identifying and reporting security deficiencies to support regulatory compliance and assisting in developing mitigation or remediation plans
  • Assisting in identifying Operations Security (OPSEC) indicators and helping to implement OPSEC measures to protect program activities
  • Providing assistance and expertise in the development and implementation of SAP and SCI security education and training program designed and tailored to meet specific requirements
  • Program Protection & CPI Identification
  • Providing expertise in drafting security classification guidance on behalf of the customers
  • Observing the assessment and authorization of Information Technology systems IAW the JSIG and NIST and providing professional inputs
Required Experience:
  • 15+ years of experience working on security across the full spectrum of the acquisition lifecycle
  • Minimum of ten (10) years of experience in SAP or SCI environment, three (3) years within the last five (5) years
  • Minimum of five (5) years of experience with industrial, personnel, physical and information security
  • Deep understanding of ICS 705 requirements and technology required to meet those standards
  • Experience with supply chain risk management
  • Demonstrated experience assessing and mitigating risk through the identification of threats and vulnerabilities and the effectiveness of countermeasures
  • Demonstrated ability to work well independently
Desired Experience:
  • Demonstrated ability to drive projects to closure, and to assimilate and correlate project information in a fast-paced environment.
  • Excellent oral and written communication skills
Education /Certification Requirements:
  • Master's degree in organizational management or related field
  • If candidate only has a BS, then 15 years of relevant security experience and other certifications may be substituted for this requirement
  • Security Fundamentals Professional Certification (SFPC)
Security Clearance Level Required:
  • Must have an active Top Secret with SCI eligibility (Must be a U.S. Citizen).
  • SAP eligible
Location/Travel Requirements:
  • Place of work is Colorado Springs, CO area, remote work opportunity is limited.
  • May require travel up to 30% of time within the continental United States.
Compensation
The pay range for this position in Colorado is $130,000/year to $180,000/year; however, base pay offered may vary depending on established government contract rates, 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. This information is provided per the Colorado Equal Pay Act. Base pay information is based on market location. Applicants should apply via MTSI's internal or external careers site.
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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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