ME-Senior Information System Security Officer; ISSO
Job in
Renton, King County, Washington, 98056, USA
Listed on 2026-09-12
Listing for:
Momentum Engineering, Inc.
Full Time
position Listed on 2026-09-12
Job specializations:
-
IT/Tech
Cybersecurity, Information Security & Data Protection
Job Description & How to Apply Below
Job Summary
- Seeking experienced Senior Information System Security Officers (ISSOs) to support Federal cybersecurity operations focused on continuous monitoring, RMF execution, authorization maintenance, vulnerability management, audit readiness, and cybersecurity governance
- Senior ISSOs serve as cybersecurity subject matter experts supporting assigned systems while working closely with Lead ISSO, ISSM, System Owners, and other cybersecurity stakeholders
- Support RMF activities throughout the authorization lifecycle
- Maintain SSPs, POA&Ms, control implementation statements, and support cybersecurity documentation
- Perform continuous monitoring activities and security posture reviews
- Support vulnerability management analysis, tracking, and remediation coordination
- Prepare and update authorization package artifacts
- Conduct security impact analyses for changes affecting supported systems
- Support audit readiness reviews and assessment preparation activities
- Coordinate evidence collection and artifact management
- Maintain cybersecurity records, repositories, and documentation
- Participate in governance forums and security working groups
- Track corrective actions and POA&M status through closure
Provide system-level cybersecurity guidance and recommendations
- U.S. Citizenship required
- Ability to obtain and maintain a Tier 4 High-Risk Public Trust
- Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Information Systems, or related field
- 5+ years of cybersecurity experience
- 3+ years supporting Federal cybersecurity or RMF activities
- Experience supporting SSP development and authorization package maintenance
- Experience with continuous monitoring and vulnerability management
- Experience supporting audits, assessments, and compliance activities
- Familiarity with Federal cybersecurity requirements and NIST guidance
- One or more of the following:
- Security+
- CGRC
- CISSP
- CAP
- CISM
- GSEC
- Desired technical experience:
- CSAM
- Service Now
- Splunk
- Tenable
- Qualys
- Microsoft Azure
- Microsoft 365
- Entra
- Governance, Risk, and Compliance (GRC) platforms
Exempt hourly position. 11 paid holidays, minimum of 3 weeks PTO, company sponsored group medical plan, company paid dental, vision, life insurance, and STD/LTD plans. Salary is dependent upon the candidate’s experience and qualifications.
Position Requirements
10+ Years
work experience
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