Security Support Specialist

Security Support Specialist, Junior Miamisburg, OH HX5 is an award‑winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast‑growing veteran‑ and woman‑owned company with locations nationwide. Essential Duties and Responsibilities Provide day‑to‑day security support for classified programs, including Collateral, Sensitive Compartmented Information (SCI), and Special Access Programs (SAP), while ensuring compliance with DoD and Air Force security policies. Manage personnel security clearances, classified information, physical security, facility access, visitor control, and security databases to protect sensitive assets. Monitor and respond to security systems and alarms, conduct inspections, support SCIF/SAPF operations, and coordinate with law enforcement or facility personnel when required. Develop and maintain security procedures, provide classification guidance, perform document reviews, and support security awareness training and education programs. Maintain accountability for classified materials through inventories, audits, records management, secure storage, distribution, and compliance inspections. Apply knowledge of security regulations, counterintelligence threats, DISS, SCI/SAP operations, and Contractor Program Security Officer (CPSO) responsibilities while supporting multiple stakeholders. Demonstrate strong communication, technical proficiency, independent judgment, and flexibility to support 24/7 operations, travel requirements, and dynamic security environments with minimal supervision. Education and Experience Must have one of the following combinations of education and experience: Bachelor’s Degree in a related field and three (3) years of directly related experience. Five (5) years of directly related experience. Other Position Requirements Proof of U.S. Citizenship or U.S. Permanent Residency is a requirement for this position. Must be able to complete a U.S. government background investigation. Must be able to obtain a Secret clearance by date of hire. Must be able to travel, including air travel. Benefits Medical/Dental/Vision Insurance 401(k) plan with Company Match Paid Holidays Accrued Paid Time Off Life Insurance Tuition Reimbursement Medical and Dependent Care Flexible Spending Accounts Pet Insurance HX5, LLC is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, age, national origin, ancestry, citizenship, disability, or veteran status. HX5, LLC is a Drug Free Workplace Employer. ACCESSIBILITY NOTICE: If you need a reasonable accommodation for any part of the employment process due to a physical or mental disability, please call View phone number on click.appcast.io. #J-18808-Ljbffr