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Information System Security Engineer (ISSE)

GCyber
Alexandria, VA Full Time
POSTED ON 12/4/2025 CLOSED ON 1/15/2026

What are the responsibilities and job description for the Information System Security Engineer (ISSE) position at GCyber?

GCyber is seeking an Information System Security Engineer, to support a government customer. The ISSO will be responsible for maintaining compliance, ensuring operational security posture, and coordinating security documentation and activities across multiple stakeholders.

As The Information System Security Officer, You Will

  • Apply solid knowledge of information assurance, RMF processes, and accreditation requirements to serve as a liaison between engineering teams, cybersecurity staff, and program leadership.
  • Develop, review, and maintain required security documentation (SSPs, POA&Ms, continuous monitoring artifacts) and ensure implementation and testing of security controls per NIST SP 800-53, RMF, and DoD directives.
  • Coordinate with system owners, ISSMs/ISSOs, auditors, and external stakeholders to maintain compliance, respond to findings, and support assessments, audits, and CORA activities.
  • Monitor system security posture, track risks and vulnerabilities, assess security impacts of proposed changes through participation in change control boards, and support remediation efforts.
  • Assist with user cybersecurity awareness, ensure policy compliance, and facilitate approvals for interconnection requirements such as BCAP and DISA SNAP by providing required documentation.

Minimum Qualifications And Experience

  • Active DoD Secret Clearance
  • Bachelor’s with 8 years of cybersecurity experience (or commensurate experience)
  • 6 years of experience supporting cybersecurity or information assurance functions working knowledge of:
    • DoD Risk Management Framework (RMF)
    • NIST SP 800-37, 800-53, and FIPS 199/200 frameworks
    • FISMA compliance requirements
  • DoD IAM II certification (i.e., CASP CE, CGRC (formerly CAP), CISM, CISSP (or Associate), GSLC, CCISO)
Our Benefits

GCyber is committed to the well-being and development of every employee. Our benefits are designed to support your personal and professional goals, from health and wellness programs to retirement savings and career development opportunities. Highlights include:

  • 26 Days of Paid Leave Annual PTO Increase
  • An extra day of paid leave for every year of employment with GCyber
  • Paid Parental Leave
  • Additional Leave Allowances for Military Duty, Jury Duty, and Bereavement Leave
  • 401(k) Matching
  • 100% Company-funded Disability Insurance
  • 90% Company-Funded Health, Dental, and Vision Insurance, with contributions to insurance benefits for spouses, children, and family members
  • Training and Professional Development Plans
  • Commuter Benefits Plan
  • Parking and Transportation Allowance

Equal Opportunity Employer

GCyber is an Equal Opportunity Employer. This means you don't have to worry about whether your application process will be fair. We consider all applicants without regard to race, color, religion, age, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, veteran status, or disability.

Stay in Touch

For future job notifications please follow GCyber on LinkedIn. https://linkedin.com/company/gcyber

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Salary.com Estimation for Information System Security Engineer (ISSE) in Alexandria, VA
$93,693 to $116,201
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