ISSO Leader: Cybersecurity Risk & Compliance

MANTECH; Chantilly (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

MANTECH is seeking an Information System Security Officer (ISSO) in Chantilly, VA to join our team. The ideal candidate will support in-house and external customers with robust cyber security practices and documentation.

Responsibilities include applying RMF/JSIG controls, authoring SSPs and A&A artifacts, and conducting security scans with Nessus and STIGs. DoD 8570/8140 IAT III clearance within 6 months is required.

Qualifications

• Bachelor's degree in a relevant field with 5+ years in cybersecurity or IT.
• DoD 8570/8140 IAT Level III within 6 months of hire date.
• Experience with RMF, JSIG, or similar security frameworks.
• Strong analytical and communication skills.

Responsibilities

• Ensure security policies are followed for network nodes and disposal.
• Perform ISSO duties for in-house and external customers; act as alternate ISSM.
• Cyber security compliance and IA controls.
• Develop documentation and apply standards for ICD 503 environments.
• Utilize RMF methods (e.g., JSIG, NIST SP 800-53/171, DoD controls).
• Prepare and review SSPs, RARs, SCTM and other A&A artifacts.
• Conduct independent scans with Nessus, STIGs, and SCAP.

Skills

RMF

IAT Level III

DoD 8570/8140

Cybersecurity

Education

Bachelor's Degree

5+ years experience

Job description

MANTECH is seeking an Information System Security Officer (ISSO) in Chantilly, VA to join our team. The ideal candidate will support in-house and external customers with robust cyber security practices and documentation.

Responsibilities include applying RMF/JSIG controls, authoring SSPs and A&A artifacts, and conducting security scans with Nessus and STIGs. DoD 8570/8140 IAT III clearance within 6 months is required.