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Information System Security Engineer (ISSE)


Job Location:

Chantilly, VA - USA

Monthly Salary: Not provided by the employer
Posted: 21 August 2026 (19 hours ago)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Job description

Position Title: Information system Security Engineer (ISSE)
Location: Chantilly VA
Clearance: Active TS/SCI required
U.S. Citizenship required

OMNI Consulting Solutions is seeking for Information system Security Engineer to provide technical cybersecurity expertise supporting system design architecture reviews security controls implementation risk assessments and accreditation efforts throughout the system lifecycle.

Key Responsibilities

  • Provide cybersecurity engineering support throughout the system development lifecycle from design through accreditation.

  • Support system architecture reviews to ensure security controls are appropriately designed and implemented.

  • Assist in the selection implementation and testing of technical security controls in accordance with RMF/CNSSI 1253.

  • Conduct or support technical risk assessments and vulnerability analyses of system designs and configurations.

  • Develop and review technical security documentation in support of the accreditation package (SSPs security architecture diagrams control implementation statements).

  • Collaborate with system engineers developers and the ISSM/ISSO to integrate security requirements into system builds.

  • Support security testing activities including control assessments and penetration/vulnerability testing coordination.

  • Recommend technical solutions to remediate identified security weaknesses or POA&M items

Job requirements
  • Bachelors degree in a technical field (Computer Science Computer Engineering Cybersecurity or related).

  • Active TS/SCI clearance.

  • Experience (10 years) in cybersecurity engineering systems security architecture or related technical security roles.

  • DoD 8570/8140 IAT Level III or IASAE certification (e.g. CISSP CASP or equivalent).

  • Strong technical knowledge of network system and application security architecture and controls.

  • Experience supporting RMF control implementation and technical accreditation activities.

Preferred Qualifications

  • CI polygraph.

  • Experience with cloud cross-domain or enterprise IC/DoD system architectures.

  • Hands-on experience with security engineering tools (vulnerability scanners SIEM configuration management tools).

  • Masters degree in a related technical field.

Why Join OMNI
OMNI Consulting Solutions is a boutique consulting firm specializing in creating game-changing value and simple solutions for complex demands. OMNI is built on the idea that change moves the world forward and through creative and entrepreneurial leadership OMNI maintains a bold reputation within the DoD/Aerospace community and across the various other industries we support.

As an OMNI employee you can be assured of extensive growth opportunities inordinately competitive salary compensation packages and the unparalleled support of the OMNI family. We are an equal-opportunity employer and our benefits packages are designed to meet the needs of all our employees and dependents:

  • Medical Coverage

  • Dental Benefits

  • Vision Benefits

  • Life Insurance

  • 401(k) Retirement Plan with Employer Matching

  • Fully Vested on Day 1 of Employment

  • Paid Time Off & Sick Leave

  • Company Sponsored Social Events

Is It a Match

If you are interested in this position or other opportunities at OMNI please let us know! We only need your resume and some basic details to get things started.

Even if you arent a match we may still be interested! We will keep your resume on-file and will let you know if something matching your skills comes along.

Job Code (7.26.10)

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Required Experience:

IC


About Company

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OMNI Consulting Solutions is a veteran owned small business specializing in military contracting and government defense contracting. Contact us for your contracting needs.

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