Senior ISSO — RMF/ATO Specialist for Government Systems

CGS Federal; Miami (FL); On-site; USD 92,000 - 125,000; Full time

Benefits offered by this job

Health, Dental, and Vision

Life Insurance

401k

Flexible Spending Accounts

Paid Time Off and holidays

Job summary

CGS Federal in Washington, DC seeks an Information Systems Security Officer (ISSO) with RMF/DIACAP experience to lead security assessment documentation and support ATO processes for DoC systems.

The role focuses on RMF A&A across the 6 steps, NIST 800-53 compliance, and risk management. Candidates should have five+ years IA/ISSE/ISSO background, eMASS experience, and relevant security certifications, and be able to work onsite at a government facility.

Qualifications

• Bachelor’s degree required and 5+ years in IA/ISSO/ISSE roles related to ATO package development.
• Experience generating security documentation for requirements, control assessment, STIG/IAVA, SOPs, and test results.
• eMASS experience and DoC RMF familiarity required.
• Professional security certifications such as CCNA Security, CySA+, GICSP, GSEC, SSCP, or higher preferred.
• Strong writing/editing skills and ability to multi-task in a deadline-driven environment.
• Experience with DIACAP to RMF transition is a plus.

Responsibilities

• Review systems to identify security weaknesses and document upgrades.
• Manage cybersecurity risk from an organizational perspective.
• Identify risks, prioritize and maintain a risk registry for leadership review.
• Provide security guidance and RMF validation per NIST, DoC, and DoC policies.
• Suggest CM improvements and coordinate changes with ISSM, SCA and AO.
• Maintain HBSS/ACAS vulnerability scanning and patch management.
• Support A&A activities and transition from DIACAP to RMF.
• Develop cyber security policy, A&A documentation, and test/evaluation reports.
• Conduct risk assessment research and write scoring reports.
• Support findings analysis and mitigation guidance.

Skills

RMF Experience

Security Assessment

Documentation Writing

NIST 800-53

A&A

Education

Bachelor’s Degree

Tools

eMASS

HBSS/ACAS

IAVM

Job description

CGS Federal in Washington, DC seeks an Information Systems Security Officer (ISSO) with RMF/DIACAP experience to lead security assessment documentation and support ATO processes for DoC systems.

The role focuses on RMF A&A across the 6 steps, NIST 800-53 compliance, and risk management. Candidates should have five+ years IA/ISSE/ISSO background, eMASS experience, and relevant security certifications, and be able to work onsite at a government facility.