Remote ISSO & RMF Cybersecurity Analyst

Xcelerate Solutions; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Xcelerate Solutions is seeking a seasoned ISSO/RMF Cybersecurity Analyst to lead RMF activities for federal systems, ensuring proper categorization, control selection, and continuous monitoring. You will produce SSPs, SARs, and POA&Ms, while coordinating with admins and developers to maintain robust security postures.

Responsibilities include vulnerability management with ACAS/Nessus, reviewing STIGs/SRGs, and advising cross-functional teams on secure-by-design practices.

Qualifications

• Bachelor’s degree in Cybersecurity, Information Assurance, Computer Science, Information Technology, or a related field.
• 5+ years of cybersecurity, information assurance, or IT compliance experience.
• 3+ years guiding RMF steps 1-7 to successful ATO determinations.
• Deep working knowledge of NIST SP 800-37, 800-53, and CNSSI 1253.
• Direct experience using automated vulnerability assessment tools (Nessus, ACAS, SCC).
• Proven experience managing and navigating security control databases (eMASS).
• Solid understanding of operating system security configurations (Windows, Linux) and network security architectures.
• Strong technical writing and ability to produce clear compliance documentation.

Responsibilities

• Lead the RMF lifecycle activities: categorization, control selection, implementation, assessment, and continuous monitoring.
• Develop, update, and maintain SSPs, SARs, POA&Ms, and continuous monitoring plans.
• Utilize eMASS to document and track compliance packages.
• Coordinate vulnerability scans using ACAS, Nessus, and related tools; remediate findings and document POA&Ms.
• Review STIGs and SRGs to ensure secure configurations across environments.
• Provide cybersecurity advisement to development, systems engineering, and management teams.
• Support security control assessments conducted by external teams.

Skills

RMF lifecycle

NIST SP 800-37/800-53

Vulnerability assessment

Security documentation

Security-by-design

Technical writing

Interpersonal communication

Education

Bachelor’s degree in Cybersecurity or related field

Tools

eMASS

ACAS

Nessus

SCC

Job description

Xcelerate Solutions is seeking a seasoned ISSO/RMF Cybersecurity Analyst to lead RMF activities for federal systems, ensuring proper categorization, control selection, and continuous monitoring. You will produce SSPs, SARs, and POA&Ms, while coordinating with admins and developers to maintain robust security postures.

Responsibilities include vulnerability management with ACAS/Nessus, reviewing STIGs/SRGs, and advising cross-functional teams on secure-by-design practices.