ISSO: RMF/ATO Specialist for DoD Networks

Amentum; Spokane (WA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical, Dental, Vision, 401k

Job summary

Amentum in Spokane, WA seeks an experienced ISSO to ensure DoD cybersecurity measures across information systems. You will lead ATO preparation, RMF assessments, and policy updates while coordinating with IS teams to maintain secure operations on standalone networks and WANs.

The role requires TS/SCI eligibility, RMF/package experience, and hands-on tool familiarity. This on-site position offers a competitive salary and benefits in a mission-focused environment.

Qualifications

• Active Top Secret clearance with SCI eligibility.
• DoD 8140 IAM level requirements (e.g., CISSP, CISM, GSLC) preferred.
• 2+ years as ISSO/ISSM or related cybersecurity role.
• Experience developing RMF packages and ATO artifacts.
• Familiarity with security tools: Splunk, Nessus, Change Auditor, ePO.
• Strong written communication and MS Office proficiency.
• Experience Windows/Linux system administration.

Responsibilities

• Monitor DoW/DoD cybersecurity policy changes and update local policies.
• Review security audit logs for anomalies on standalone and networked systems.
• Manage network accounts, access requests and paperwork for standalone networks and WANs.
• Use Nessus to identify vulnerabilities and ensure STIG compliance; coordinate remediation.
• Provide cybersecurity training to personnel and awareness programs.
• Perform annual RMF self-inspections and continuous monitoring.
• Develop and maintain RMF ATO packages and artifacts.
• Coordinate hardware/software changes through CCB with ISSM/AO/AODR.
• Ensure compliance with DoW/DoD security policies; support incident response.
• Interface with stakeholders and maintain Plan of Action and Milestones (POA&M).

Skills

Top Secret clearance

DoD 8140 IAM knowledge

Technical writing

MS Office proficiency

Independent worker

Education

Bachelor's degree in IT/Cybersecurity/DS/IS/CS

Tools

Splunk

Tenable Nessus

Change Auditor

ePolicy Orchestrator (ePO)

Job description

Amentum in Spokane, WA seeks an experienced ISSO to ensure DoD cybersecurity measures across information systems. You will lead ATO preparation, RMF assessments, and policy updates while coordinating with IS teams to maintain secure operations on standalone networks and WANs.

The role requires TS/SCI eligibility, RMF/package experience, and hands-on tool familiarity. This on-site position offers a competitive salary and benefits in a mission-focused environment.