Cybersecurity Subject Matter Expert (SME) – , – Active TS/SCI Clearance with Polygraph Required
Synertex· enterprise· Defense & Space· Sep 22, 2026 · 1mo ago
Bethesda, MD, USA, 20814
In office
Full-time
Staff
$134K–$203K est.
8+ years exp
Job description
📍 Bethesda, MD
📌 Full-Time | On-site | Position Contingent Upon Award
Join Synertex LLC and support a high-visibility national security program requiring advanced cybersecurity expertise in enterprise risk management, RMF, and security governance. The Cybersecurity SME serves as a senior technical authority responsible for advising on cybersecurity strategy, risk posture, authorization activities, and enterprise security governance across mission-critical systems. This role ensures alignment with Department of Defense (DoD) and Intelligence Community (IC) security frameworks while driving secure, resilient, and compliant cyber operations.
RESPONSIBILITIES
• Provide expert-level cybersecurity advisory support to program leadership on enterprise risk, governance, and security strategy. • Lead and support Risk Management Framework (RMF) activities, including ATO/cATO processes, security control selection, and authorization package development. • Advise on cybersecurity architecture, including Zero Trust principles, identity and access management (IAM), segmentation, and secure access strategies. • Support development, review, and maintenance of security documentation including SSPs, POA&Ms, SARs, and continuous monitoring plans. • Conduct risk assessments, vulnerability analysis, and cybersecurity posture evaluations across enterprise environments. • Support incident response planning, security operations improvements, and threat mitigation strategies. • Develop cybersecurity metrics, dashboards, and executive-level briefings to support leadership decision-making. • Coordinate with government stakeholders to ensure compliance with applicable federal cybersecurity policies and directives. • Ensure audit readiness and continuous compliance with NIST 800-53, NIST CSF, and federal security standards. • Serve as a key personnel advisor and act as alternate technical lead when required.
REQUIREMENTS
• Minimum 8+ years of experience in cybersecurity supporting DoD, Intelligence Community, or federal mission environments. • Demonstrated experience advising senior leadership on cybersecurity risk, governance, and enterprise security strategy. • Strong expertise in RMF, ATO lifecycle management, and federal security authorization processes. • Deep knowledge of NIST frameworks (NIST 800-53, NIST CSF) and Zero Trust security principles. • Experience with enterprise cybersecurity governance, risk management, and compliance programs. • Active TS/SCI with Polygraph required. • U.S. Citizenship required. • Strong written and verbal communication skills with ability to brief senior stakeholders. • Ability to operate in high-tempo, mission-driven environments.
Protect critical national security systems and enable mission success through secure, resilient, and mission-aligned cybersecurity leadership. Apply today to join Synertex LLC in supporting a critical national security program.
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