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Information Systems Security Engineer Security Clearance

Job in Alexandria, Fairfax County, Virginia, 22301, USA
Listing for: Warriors
Full Time position
Listed on 2026-03-10
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Job Description & How to Apply Below
Position: Information Systems Security Engineer with Security Clearance
Information Systems Security Engineer:

Location:

Alexandria, VA or Kearneysville, WV Clearance:
DoD Secret Our client is a Small Business Administration (SBA)-certified Historically Underutilized Business Zone (HUBZone) and Woman-Owned Small Business (WOSB) that delivers services and solutions that maximize our customers' positive impact on society. We are dedicated to supporting, maximizing, and evolving digital solutions and information technology that enables government services to be more effective, accessible, and available to the public.

We are seeking an experienced Information Systems Security Engineer (ISSE) with a strong background supporting Department of Defense (DoD) and Department of Homeland Security (DHS) programs. This position focuses on maintaining compliance, ensuring operational security posture, and coordinating security documentation and activities across multiple stakeholders. The ideal candidate is detail-oriented, familiar with federal cybersecurity frameworks, and able to communicate effectively with both technical teams and senior leadership.

This role requires a solid understanding of information assurance concepts, governance requirements, and accreditation processes. Applicants should be knowledgeable about RMF processes and documentation. While a high degree of technical proficiency is desired, applicants should be highly skilled in understanding and documenting technical implementations, acting as a bridge between system engineering staff, cybersecurity staff, and program leadership.

Location:

* Alexandria, VA

* Remote support as authorized by the customer

* Travel to customer sites across CONUS may be required

Clearance Required:

* U.S. Citizenship and an active Secret clearance (or higher).

Qualifications:

Required
* 3+ 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
* Experience preparing or maintaining security documentation and coordinating with government security officials.

* Strong organizational, communication, and writing skills.

* Ability to interpret policy and translate it into actionable compliance activities.

* CASP CE; CGRC (formerly CAP); CISM; CISSP (or Associate); GSLC; CCISO

Qualifications:

Preferred
* Bachelor's degree in Cybersecurity, Information Systems, or related field (or equivalent experience).

* Experience supporting DoD programs or cross-agency initiatives related to DoD.

* Familiarity with tools such as eMASS, Xacta, or other DoD-specific compliance systems.

* Experience briefing management or working directly with federal program offices.

Duties and Responsibilities:

* Support the development, review, and maintenance of security documentation including System Security Plans (SSPs), POA&Ms, and Continuous Monitoring artifacts.

* Ensure system security controls are implemented, tested, and maintained in accordance with NIST SP 800-53, RMF, and relevant DoD directives.

* Coordinate with system owners, ISSMs, ISSOs, auditors, and external stakeholders to maintain compliance and respond to findings or inquiries.

* Monitor the security posture of systems and assist in periodic reviews, assessments, and audits.

* Participate in change control boards to evaluate the security impact of proposed modifications.

* Track and report on cybersecurity risks, vulnerabilities, and mitigations in accordance with established procedures.

* Assist with user awareness training and ensure compliance with organizational cybersecurity policies and procedures.

* Facilitate approvals for network interconnections such as the Boundary Cloud Access Point (BCAP) and DISA System/Network Approval Process (SNAP) through the provisioning of required documentation

* Support Product Teams in the preparation, response, and finding remediation for JFHQ-DoDIN Cyber Operational Readiness Assessments (CORAs)
Decision Making Authority:
Decision-making authority for own individual work efforts delivered as part of day-to-day support of the program
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