Remote Senior ISSO & RMF Expert

OneZero Solutions; Washington (District of Columbia); Remote; USD 110,000 - 170,000; Full time

Benefits offered by this job

Health, dental, vision, life insurance

401(k) with company matching

Paid time off and holidays

Employee referral program

Educational assistance

Job summary

OneZero Solutions is seeking a Senior Information Security Analyst to serve as ISSO for a portfolio of 6–8 moderate-baseline systems and lead RMF activities end to end. You will own authorization packages, guide remediation, and coordinate with IA staff and contractors. The role requires a final SECRET clearance, strong technical writing, and experience with NIST SP 800-37/53 Rev.

5. Remote work within the National Capital Region is required and responsibilities include audit support and

Qualifications

• 7+ years information security experience, including 4+ years as ISSO for federal systems.
• CISSP, CISM, CGRC/CAP, or CISA (DoD IAM Level II or higher)
• Active, final SECRET security clearance; U.S. citizenship.
• Experience with an enterprise GRC tool and interpreting vulnerability scans.

Responsibilities

• Serve as ISSO of record for 6–8 moderate-baseline systems.
• Execute RMF Steps 1–3 for assigned systems with proper documentation.
• Maintain POA&Ms in the GRC tool with timely updates.
• Coordinate incident reporting and remediation with SOC and system owners.
• Support audits and data calls; provide day-to-day direction to IA Analysts.

Skills

ISSO experience

RMF

GRC tooling

Vulnerability analysis

Technical writing

Stakeholder coordination

Security clearance

Education

Bachelor's degree in CS/IT/Cybersecurity

Active SECRET clearance

Tools

ArchAngel GRC

iPost

NIST/Control mapping tools

Job description

OneZero Solutions is seeking a Senior Information Security Analyst to serve as ISSO for a portfolio of 6–8 moderate-baseline systems and lead RMF activities end to end. You will own authorization packages, guide remediation, and coordinate with IA staff and contractors. The role requires a final SECRET clearance, strong technical writing, and experience with NIST SP 800-37/53 Rev.

5. Remote work within the National Capital Region is required and responsibilities include audit support and