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Cybersecurity Subject Matter Expert (Remote)

Enterprise Solutions & Management
Vienna, VA Remote Full Time
POSTED ON 3/17/2026
AVAILABLE BEFORE 9/12/2026

Enterprise Solutions and Management (ESM) is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring a Project Manager for an exciting remote opportunity.


Job Description and Responsibilities


Support the Defense Travel Management Office's (DTMO) compliance with cybersecurity rules, regulations, and policies in accordance with NIST policy. Support DTMO's requirements to maintain current and achieve new Authorities to Operate (ATOs) and Authorities to Connect (ATCs) for all DTMO systems using the DoD Risk Management Framework (RMF). Perform System-Level Information System Security Officer (S-ISSO) responsibilities.




Required Knowledge, Skills and Abilities (KSA)





  • Knowledge of cybersecurity principles, risk management practices, and defense-in-depth strategies for protecting information systems and networks.

  • Knowledge of federal cybersecurity frameworks and standards, including guidance from NIST Risk Management Framework, NIST Cybersecurity Framework, and NIST SP 800-53 security controls.

  • Knowledge of U.S. federal cybersecurity compliance requirements

  • Knowledge of security technologies and architectures, including network security, identity and access management, encryption, endpoint protection, and cloud security.

  • Knowledge of threat detection, vulnerability management, and incident response processes used to identify, assess, and mitigate cybersecurity threats.


Desired KSA



  • Be a positive, self-motivated, and proactive person with the ability to adapt to change and tolerate stressful situations

  • Candidate must communicate effectively with team members, team lead, management, and government customer

  • Must have the ability and desire to research and develop creative solutions to unique problems with minimal supervision




Minimum Training, Education, and Certifications



  • Bachelor's degree in a relevant field

  • Five (5) years experience in cybersecurity with executing Risk Management Framework

  • Specific Experience with:

    • RMF process and documentation, PIAs, SORNs, ATOs and ATCs

    • CSSP vulnerability assessments, CORA, DoD IG audits

    • POAM management

    • Vulnerability and patch management

    • STIG and IAVM compliance

    • Support for internal/external audits, pen testing, red team testing and other security reviews




Minimum Clearance



  • Top Secret




Physical Requirements



  • Required to stand, walk and sit; communicate verbally both in person and by telephone; use hands to finger, handle or feel objects or controls; reach with hands and arms. Specific vision abilities required by this job include close vision, distance vision, depth perception, color vision and the ability to adjust focus.




Additional Requirements



  • Other duties as assigned




ESM provides equal employment opportunity to all individuals regardless of race, color, creed, religion, gender, age, sexual orientation, national origin or ancestry, disability, genetic information, veteran status, gender identification or any other characteristic protected by state, federal or local law.

Salary.com Estimation for Cybersecurity Subject Matter Expert (Remote) in Vienna, VA
$138,956 to $171,439
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