Remote Federal ISSO — RMF/ATO Specialist

Commence; Fulton (MS); Remote; USD 120,000 - 160,000; Full time

Job summary

Commence is seeking an Information System Security Officer (ISSO) to lead security assessment, authorization, and continuous monitoring for federal programs. You will own day-to-day security tasks and coordinate with CIO, ISSM, and agency partners to ensure operating authorities remain valid.

You will develop and maintain security documentation, support audits, and help implement required safeguards across CMS, VA, DoD, IRS, and DHS programs. A strong communication style is essential.

Qualifications

• Typically 5+ years in information assurance or cybersecurity.
• Minimum 3+ years as an ISSO or A&A lead for federal systems.
• Candidates should have experience with NIST RMF and federal agency compliance requirements.

Responsibilities

• Serve as the designated ISSO for assigned federal systems and coordinate with agency ISSOs and Authorizing Officials.
• Manage the Security Assessment and Authorization lifecycle per NIST RMF from categorization to reauthorization.
• Prepare and maintain SSP, risk assessments, Privacy Impact Assessments, and related artifacts.

Skills

Information security

ISSO/A&A lead

CISSP

CompTIA Security+

AWS

Azure

Clear written communication

US citizenship

Education

Bachelor's degree

Tools

Nessus

SCAP/STIG Viewer

Job description

Commence is seeking an Information System Security Officer (ISSO) to lead security assessment, authorization, and continuous monitoring for federal programs. You will own day-to-day security tasks and coordinate with CIO, ISSM, and agency partners to ensure operating authorities remain valid.

You will develop and maintain security documentation, support audits, and help implement required safeguards across CMS, VA, DoD, IRS, and DHS programs. A strong communication style is essential.