Security Manager (Enterprise Security) at Matsys in Sterling, VA

About MATSYS

MATSYS is an innovation‑driven advanced manufacturing company developing and producing specialty engineered materials that power next‑generation aerospace, defense, and energy applications. Our technologies enable breakthroughs in performance, efficiency, and reliability—solving some of the most complex materials‑engineering challenges in the world.

We are in a period of rapid growth and scaling, and we thrive on collaboration, technical excellence, and a culture of continuous improvement. At MATSYS, you will have the opportunity to directly influence the success of mission‑critical programs and build a supply chain designed for resilience, agility, and world‑class execution.

If you are excited by complex materials, advanced manufacturing, and high‑impact technical problem‑solving, you’ll feel right at home here.

About the Role We are seeking a seasoned Security Manager to lead the enterprise security program for a rapidly growing federal government contractor. This is a high-impact leadership role responsible for building, managing, and continuously improving a holistic security program spanning physical, personnel, operational, information, cyber, and AI security. You will ensure the protection of people, facilities, systems, and intellectual property while ensuring strict compliance with federal security requirements.

You will serve as the company’s primary security authority and a strategic partner to leadership, IT, HR, Legal, program teams, and government customers/oversight agencies.

What Will You Do

Key Responsibilities

Program Leadership & Governance • Own and execute the enterprise security strategy, policies, and governance model. • Serve as the primary security liaison for government customers, DCSA, and other oversight bodies. • Maintain and improve the security program, risk register, KPIs, and compliance reporting.

Government & Compliance • Ensure compliance with NISPOM, DoD/agency directives, contract-specific requirements, and related government regulations. • Lead or coordinate FSO/CSSO/ISSM responsibilities and facility security operations. • Maintain compliance with NIST SP 800-53/800-171, RMF, FISMA, CMMC, and related frameworks. • Manage personnel security processes: clearances, eligibility, continuous vetting, and reporting in DISS/NISS and related systems.

Cyber & AI Security • Oversee or closely partner on cybersecurity controls, monitoring, and incident response. • Establish and enforce AI/ML security practices, including model, data, and system protections aligned with the NIST AI RMF. • Ensure the safeguarding of classified information, CUI, and proprietary data across digital and physical environments.

OPSEC & Threat Management • Lead the enterprise OPSEC program, identifying critical information and implementing protective measures. • Manage insider threat detection, reporting, investigations, and mitigation actions. • Monitor and respond to external threat intelligence. • Conduct security investigations, incident response activities, and corrective actions.

Physical Security • Oversee physical security operations across all facilities, including access control, alarms, CCTV, guard services, and visitor management. • Manage secure areas (SCIFs/SAPFs, closed areas) and associated accreditation requirements. • Lead emergency preparedness, workplace violence prevention, and business continuity/crisis response efforts.

Training, Awareness & Operations • Develop and deliver enterprise-wide security training and awareness programs. • Manage security personnel, contractors, budgets, audits, and self-inspections. • Promote a company-wide culture of proactive security and compliance.

Required Qualifications

• Bachelor’s degree in Security Management, Criminal Justice, Information Security, Homeland Security, or related field—or equivalent relevant experience. • 7+ years of professional security experience, including 3+ years in a leadership or program management role. • Experience supporting federal government programs and familiarity with NISPOM and DoD/agency directives. • Hands-on experience across multiple security domains (physical, personnel, operational, information). • Working knowledge of cybersecurity concepts and at least one major framework (NIST 800-53, 800-171, RMF, FISMA, or CMMC). • Experience with insider threat programs and conducting investigations. • Active U.S. security clearance ([Secret / Top Secret / TS‑SCI]) or ability to obtain and maintain one; U.S. citizenship required. • Strong leadership, communication, and decision-making skills with the ability to handle sensitive information discreetly.

Preferred Qualifications

• Previous experience as an FSO, CSSO, ISSM, or ISSO. • Experience managing SCIFs/SAPFs or other accredited secure facilities. • Familiarity with AI/ML security practices and the NIST AI RMF. • OPSEC certification or experience running an OPSEC program. • Professional certifications such as CISSP, CISM, CPP, PSP, or Security+. • Experience leading multi-site or enterprise-wide security programs. • Proficiency with security tools and systems (SIEM, access control platforms, threat intelligence systems, DCSA/NISS, DISS).

Education

Required: Bachelor’s degree or equivalent experience. Preferred: Master’s degree and/or relevant certifications (CISSP, CISM, CPP, PSP)

What We Offer

• Competitive salary, benefits and performance incentives
• Health, dental, vision, and life insurance
• 401(k) with company contribution
• Paid time off and holidays
• Professional development and certification support
• The opportunity to lead enterprise security for a mission-driven organization supporting the federal government

All qualified applicants will receive consideration for employment without regard to characteristics protected by law or irrelevant to performance, unless otherwise required by law.

MATSYS uses E-Verify to verify right-to-work.

MATSYS is a Drug-Free Workplace. Candidates are required to pass a pre-employment background investigation and drug test prior following receipt of a conditional job offer.