Cybersecurity Subject Matter Expert (SME) – Bethesda, MD – Active TS/SCI Clearance with Polygraph Required

Synertex LLC•Bethesda, MD

9d•Onsite

About The Position

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.

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.

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.