Information System Security Manager (ISSM)

Position Title: Information System Security Manager (ISSM)
Location: Chantilly, VA
Clearance: Active TS/SCI required
U.S. Citizenship required

OMNI Consulting Solutions is seeking for an Information System Security Manager (ISSM) to provide overall cybersecurity oversight for classified and unclassified systems. Supports RMF execution, accreditation activities, continuous monitoring, vulnerability management, and cybersecurity compliance.

Key Responsibilities

• Provide overall cybersecurity program management for assigned classified and unclassified information systems.

• Oversee execution of the Risk Management Framework (RMF), including categorization, control selection, assessment, and authorization activities.

• Manage the Authorization to Operate (ATO) process and maintain system security documentation (SSPs, POA&Ms, risk assessments).

• Direct and oversee ISSOs and cybersecurity staff supporting assigned systems.

• Oversee continuous monitoring and vulnerability management programs, ensuring timely remediation of identified risks.

• Serve as the primary cybersecurity interface with the government Authorizing Official (AO) and customer cybersecurity staff.

• Ensure compliance with applicable DoD/IC cybersecurity policy (e.g., DoDI 8510.01, ICD 503, CNSSI 1253).

• Report cybersecurity incidents and coordinate response activities in accordance with program requirements.

• Bachelor's degree in a technical field (Computer Science, Information Technology, Cybersecurity, or related) or equivalent experience.

• Active TS/SCI clearance.

• Experience (10+ years) in cybersecurity/information assurance, including RMF/accreditation experience.

• DoD 8570/8140 IAM Level II or III certification (e.g., CISSP, CISM, or equivalent).

• Demonstrated experience managing ATO packages and engaging with Authorizing Officials.

• Strong knowledge of RMF, CNSSI 1253, and applicable IC/DoD cybersecurity directives.

Preferred Qualifications

• CI polygraph.

• Experience with eMASS and/or Xacta accreditation tools.

• Prior experience as an ISSM supporting IC or USSF/DoD space programs.

• Master's 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 aren't 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 (7.26.8)