New

Senior Principal Security Manager

Modern Technology Solutions, Inc.
401(k)

Oct 24, 2025
Security Manager, Senior Principal - Beavercreek, OH As a Senior Principal Security Managerwith MTSI you will be responsible for multi-disciplined security, maintaining compliance, and providing subject matter expertise to a USG customer.Responsibilities include support of U.S. Department of Defense and Intelligence Community (IC) collateral, special access program (SAP), and sensitive compartmented information (SCI) programs.This position will be located in Beavercreek, OH. Your essential job functions will include but may not be limited to: In support of the customer, develop, implement, and maintain security processes, practices, and compliance to reduce risk involving collateral, SAP, and SCI programs In support of the customer, perform as the customer's lead Contractor Special Security Officer and Contractor Special Access Program Security Officer (CSSO) for program activities In support of the customer, support the construction and accreditation of new classified storage and processing facilities and requirement implementation Oversee the implementation of applicable collateral, SAP, and SCI directives, specifications, regulations, manuals, and guidelines Process and maintain appropriate accreditation documentation for each open storage area, SAP facility, and SCI facility that the customer has cognizance Manage personnel, physical, and technical security (e.g. TEMPEST and TSCM) actions and procedures per customer directives Investigate all unauthorized disclosures of classified information and security matters following customer direction Lead the site's security education training and awareness program to inform cleared individuals of the requirements and guidelines for protecting classified information Maintain continuing relationships with local officials, including security, intelligence, and other relevant governmental functions and private sector counterparts Qualifications* 15+ years of collateral, SAP, and SCI security management experience Experience working with the DoD, IC, and other U.S. government security authorities in facilitating classified collateral, SAP, and SCI program activities Thorough knowledge of Intelligence Community Directives (ICD) 704, ICD 705 and Technical Specifications, DoDM 5105.21, V1 thru V3, DoDM 5205.07, V1 thru V3, 32 CFR Part 117, and a working knowledge of other applicable Director of National Intelligence, Defense Intelligence Agency, and Department of Defense directives and regulations Experience leading projects Experience using the Microsoft Office Suite Desired Requirements:* Experience supporting cross-functional teams across an enterprise. High level of motivation, be adept at exploring and learning about new technologies, and have a demonstrated record of successfully taking ownership and responsibility for projects. Ability to multi-task, respond to quick turn-around requests, and produce quality products. Possess exceptional written and oral communication skills, can develop clear, concise, and logically written business communications, as well as deliver recommendations. Demonstrated effectiveness working in a complex, service-intensive, deadline-driven environment. Ability to build strong relationships to leverage information and insights across key groups. Strong personal leadership, organizational, relationship-building, and negotiation skills. Education Requirements:* Master's degree in relevant discipline (experience may be considered in lieu of education) Clearance Requirements: Possess an active TS/SCI security clearance with SCI and SAR eligibility #LI-HP1 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.