National Security Manager Jobs in Reston, VA (NOW HIRING)

• Base Pay $90,000.00 - $110,000.00 / Year
• Job Category Security, Site Lead, Program Manager
• Industry Security and Investigations, Government Services, Defense and Space Manufacturing
• Employee Type FT Exempt
• Manage Others Yes

The Site Security Manager leads day-to-day physical security operations at an assigned cleared site in a mission-critical environment. Reporting directly to the Campus Security Manager, this role provides on-site leadership for cleared security personnel and supports staffing continuity, compliance execution, incident response, audit readiness, training coordination, and daily operational performance. The ideal candidate brings experience supervising security teams in a high-accountability environment and can maintain consistent, compliant execution of site procedures, post orders, documentation, and personnel readiness.

• Support the Campus Security Manager in executing day-to-day site security operations and provide leadership coverage as needed.
• Assist with recruitment, onboarding, training, scheduling, development, and retention of assigned security personnel.
• Ensure assigned personnel meet applicable training, qualification, and compliance requirements before assuming duties.
• Maintain accountability for site-issued equipment, materials, and operational resources.
• Maintain accurate training records, operational logs, incident documentation, and required personnel records.
• Monitor day-to-day site performance, reinforce post standards, and address operational issues promptly.
• Support internal, customer, and third-party audits, inspections, and compliance reviews through audit-ready documentation and procedural adherence.
• Ensure personnel readiness, operational continuity, and consistent service delivery in a 24/7 security environment.

• Active TS/SCI clearance with Full Scope Polygraph required.
• U.S. Citizenship required; must provide a valid U.S. Passport Book or Passport Card.
• Minimum of 18 years of age.
• High School Diploma or GED.
• Demonstrated leadership or supervisory experience in security operations, guard force operations, or other high-security environments.
• Experience supporting compliance-driven operations, audits, inspections, or operational readiness activities.
• Strong customer service, professionalism, and judgment in a cleared, customer-facing environment.
• Excellent written and verbal communication skills, with the ability to interpret and enforce procedures, post orders, and security requirements.
• Proficiency in Microsoft Office and related reporting, scheduling, incident documentation, or access-control support systems used in daily operations.
• Ability to support a 24/7 operation, including responsiveness during evenings, weekends, emergencies, and after-hours events.

• Associate or bachelor’s degree in criminal justice, security management, emergency management, business, or a related field.
• Prior experience serving as a site lead, shift supervisor, or site security manager in a cleared or high-security environment.
• Experience with workforce scheduling, staffing coordination, training records management, or site-level performance tracking.
• Experience maintaining equipment accountability, operational documentation, or audit-ready program records.
• Experience supporting critical infrastructure, secure facilities, or other mission-driven environments requiring strict procedural compliance.

At CenCore Group, we deliver security solutions that support critical national security missions. We specialize in designing, building, securing, and maintaining advanced technology environments at the intersection of emerging technology and national security. We are seeking a dependable, cleared professional to join our team in support of secure physical security operations.

CenCore Group is an equal opportunity employer. We hire based on merit and qualifications and do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, pregnancy, childbirth or related medical conditions, or any other status protected by applicable federal, state, or local law.