Senior ISSO & Technical Program Lead — RMF/Authorization

Xtreme Solutions Inc; Washington (District of Columbia); On-site; USD 150,000 - 190,000; Full time

Job summary

Xtreme Solutions, Inc. is seeking an experienced Lead Information System Security Officer (ISSO) / Technical Program Lead to guide a federal customer in Washington, DC.

You will provide technical leadership and hands-on cybersecurity support, overseeing RMF, authorization, continuous monitoring, vulnerability management, and risk decisions. The ideal candidate has led federal authorization activities, can review deliverables, and briefing senior Government stakeholders on risk, authorization

Qualifications

• 10+ years of progressively responsible cybersecurity experience.
• 7+ years supporting federal ISSO, IA, A&A/C&A, or RMF activities.
• 3+ years leading ISSOs, Security Control Assessors, cybersecurity analysts, or federal authorization workstreams.
• Experience managing multiple federal systems or authorization boundaries concurrently.
• Advanced knowledge of NIST SP 800-37 and NIST SP 800-53.
• Hands-on experience reviewing federal RMF and authorization artifacts.
• Experience coordinating with senior federal cybersecurity stakeholders.
• Experience performing technical QA/QC of cybersecurity deliverables.
• Strong executive briefing and written communication skills.
• CISSP, CISM, CGRC/CAP, or GSLC required.

Responsibilities

• Lead day-to-day technical activities across the ISSO team.
• Assign systems, authorization boundaries, and security workstreams.
• Oversee multiple concurrent RMF authorization and reauthorization activities.
• Review and approve SSPs, SAPs, SARs, POA&Ms, risk assessments, Continuous Monitoring Plans, SIAs, and authorization packages.
• Perform technical QA/QC before cybersecurity deliverables are submitted to the Government.
• Track authorization milestones, dependencies, risks, issues, and corrective actions.
• Oversee POA&M, vulnerability-remediation, and continuous-monitoring activities.
• Coordinate with AOs/AODRs, the CISO, ISSMs, System Owners, assessors, privacy teams, Common Control Providers, and technical remediation teams.
• Resolve conflicting or incomplete cybersecurity information across tools, artifacts, and system records.
• Provide senior-level security posture, authorization, and risk briefings.
• Mentor and provide technical direction to ISSOs, assessors, and cybersecurity analysts.
• Support federal audits and independent security-control assessments.

Skills

Cybersecurity leadership

RMF / A&A / C&A

NIST SP 800-37

NIST SP 800-53

Executive briefing

Written communication

CISSP

CISM

GSLC / CAP

Tools

ServiceNow

GRC platforms

Job description

Xtreme Solutions, Inc. is seeking an experienced Lead Information System Security Officer (ISSO) / Technical Program Lead to guide a federal customer in Washington, DC.

You will provide technical leadership and hands-on cybersecurity support, overseeing RMF, authorization, continuous monitoring, vulnerability management, and risk decisions. The ideal candidate has led federal authorization activities, can review deliverables, and briefing senior Government stakeholders on risk, authorization