Lead Information System Security Officer (ISSO)

Job description

### \*\*CONTINGENT UPON CONTRACT AWARD\*\* ## Overview: **Job Title:** Lead Information System Security Officer (ISSO) **Security Clearance:** Ability to Obtain Tier 4 High-Risk Public Trust **Location**: Washington, D.C. ***(Due to the nature of the work and contract requirements, U.S. Citizenship is required.***) ## Description: C3EL is seeking a Lead Information System Security Officer (ISSO) to provide on-site cybersecurity and Risk Management Framework (RMF) sustainment support in Washington, D.C., for a new contract. This role will serve as the single point of accountability for technical performance and remain a hands-on cybersecurity practitioner as the technical leader, Government interface, and quality authority for the entire ISSO program. **Responsibilities will include, but not be limited to:** - Provide on-site cybersecurity and RMF sustainment support. - Chair internal quality reviews and ensure deliverables are complete, current, consistent, timely, and audit ready. - Manage technical risks, issues, escalations, SLA/KPI/AQL performance, action items, and corrective actions. - Support weekly reports, monthly status reports, and quarterly executive reviews, including authorization, vulnerability, POA&M, audit, and staffing status. - Lead a team of two Senior ISSOs and maintain coverage during absence, vacancy, surge, or suitability delay. - Produce accurate, concise, and audit-ready Government cybersecurity documentation. - Support team coverage from 7:00 a.m. to 6:00 p.m. ET (M-F) and participate in after-hours incident coverage as needed. ## Minimum Qualifications: - U.S. Citizenship. - Eligibility to obtain a Tier 4 High-Risk Public Trust. - Minimum ten (10) years in cybersecurity. - Minimum seven (7) years in federal RMF/ISSO work. - Minimum three (3) years leading ISSO or authorization teams. - Hands-on CSAM experience supporting system profiles, controls, evidence, POA&Ms, and authorization workflows. - Working knowledge of NIST SP 800-37, 800-53, 800-53B, FIPS 199, FISMA, and applicable CISA/OMB guidance. - Familiarity with GRC, ITSM, SIEM, scanner, identity, endpoint, and cloud-security platforms. - Direct experience briefing and coordinating with ISSMs, CISOs, AOs, AODRs, System Owners, assessors, and senior Government officials. - Direct experience overseeing SSPs, SAPs, SARs, POA&Ms, risk assessments, control statements, and evidence packages. - Expert knowledge of all seven RMF steps, ATO, reauthorization, ongoing authorization, control baselines, and inheritance. - Working proficiency with ServiceNow, Splunk, and vulnerability-scanning platforms. ## Preferred Qualifications: - At least one current cybersecurity certification such as CISSP, CGRC, CISM, CRISC, Security+, SecurityX, CCSP, or GIAC. ## Education: - Associate’s degree in Cybersecurity, Information Technology, or related field. (Relevant experience may be considered in lieu of formal education.)