Peraton · 14 hours ago
Information System Security Officer (ISSO) / Space Communications
US-NM-Las Cruces
Full-time
Onsite
Mid, Senior Level
$80K/yr - $128K/yr
4+ years expPeraton is a next-generation national security company that drives missions of consequence spanning the globe. They are seeking an Information System Security Officer (ISSO) to support cybersecurity compliance and risk management activities for the NASA Near Space Network, playing a critical role in managing System Security Plans and ensuring compliance with federal cybersecurity standards.
Information TechnologyRobotics
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Serve as the primary contract ISSO responsible for the development, maintenance, and execution of the System Security Plan (SSP) for the NASA Near Space Network
Interface directly with the NASA Government ISSO to coordinate cybersecurity compliance activities, resolve findings, and ensure alignment with NASA security policies and RMF expectations
Manage and track Plans of Action & Milestones (POA&Ms), including documenting remediation activities, coordinating with technical teams, and supporting POA&M closure efforts
Support the preparation, submission, and adjudication of Risk-Based Decisions (RBDs), ensuring risks are clearly articulated, justified, and properly documented
Document and maintain security controls allocated to the system from NIST SP 800-53 Rev. 5, including implementation details, control inheritance, and applicable Organizationally Defined Values (ODVs)
Coordinate with system engineers, ISSEs, and network/security teams to validate technical control implementations and collect evidence for compliance and assessments
Support RMF activities including system categorization, control selection, control implementation, assessment support, authorization packages, and continuous monitoring
Maintain SSP accuracy by ensuring system architecture diagrams, boundary descriptions, interconnections, and data flows remain current
Support internal and external security assessments, audits, and reviews, including providing documentation, responding to findings, and tracking corrective actions
Assist with continuous monitoring activities, including annual control reviews, vulnerability tracking, and compliance reporting
Provide regular status updates and briefings to Peraton leadership and NASA stakeholders on SSP posture, POA&M status, and risk trends
Qualification
Required
degree in Cybersecurity, Information Technology, Computer Science, Mathematics or a related technical field and related experience as follows: MS & 7 yrs, BS & 10yrs, AS & 12 yrs
In lieu of a degree - HS diploma/GED, 14 years of experience, and a professional certification such as CISSP, CAP, CISM, or Security+ may be considered
4+ years of experience in an ISSO, cybersecurity compliance, or RMF-focused role supporting federal information systems
Experience managing or maintaining System Security Plans (SSPs) and RMF documentation for moderate or high-impact systems
Hands-on experience with POA&M management, including coordination with technical teams and federal stakeholders
Working knowledge of NIST SP 800-53 Rev. 5, RMF, and federal cybersecurity compliance requirements
Experience documenting security control implementations and coordinating control evidence collection
Strong written communication skills with demonstrated experience producing formal cybersecurity documentation
Ability to work independently while collaborating effectively across technical and government teams
Must be able to obtain and maintain a DoD Secret security clearance, which requires U.S. citizenship
Preferred
Prior experience supporting NASA, other federal civilian agencies, or space/mission systems
Familiarity with Risk-Based Decisions (RBDs) and interaction with Authorizing Officials (AOs) or AO representatives
Experience supporting systems with complex boundaries, multiple interconnections, or hybrid environments
Understanding of continuous monitoring strategies and annual control assessment processes
Familiarity with cybersecurity tools used to support compliance and vulnerability tracking
Professional certifications such as CISSP, CAP, CISM, or Security+
Strong organizational skills with the ability to manage multiple compliance tasks simultaneously
Benefits
Employees may be eligible for overtime
Shift differential
Discretionary bonus
Company
Peraton
Peraton Fearlessly solving the toughest national security challenges.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Thomas Terjesen
Chief Information Officer
Recent News
Washington Technology
2026-01-22
2025-09-25
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