Information Systems Security Officer

Govcio LLC•UNAVAILABLE, UNAVAILABLE

5d•Remote

About The Position

GovCIO is hiring a Senior Information Systems Security Officer (ISSO) to support a client contract. The role conducts Assessment and Authorization (A&A) activities and manages the full Risk Management Framework (RMF) lifecycle, from initial categorization through continuous monitoring. It requires experience managing complex, concurrent assessments, including emerging technology systems such as AI/ML platforms, under NIST SP 800-53 Rev. 5, CNSSI 1253, and applicable policies. The Senior ISSO also mentors junior ISSO staff. The position is based in Washington, DC, and is eligible for 100% remote work. The posted salary range is USD $143,230 to $175,000 per year.

Requirements

Bachelor's degree and 12+ years of information system security experience, or commensurate experience.
8–10+ years in an ISSO or cybersecurity compliance role, with direct responsibility as ISSO of record on assigned systems.
Demonstrated experience conducting RMF assessments across multiple network environments.
Experience managing multiple concurrent A&A assessments simultaneously.
Experience developing and maintaining complete RMF artifact packages, including SSPs, SARs, POA&Ms, RAR, and supporting BOE documentation.
Experience with microservices-based or distributed system architectures and component-level security assessments.
Proficiency with GRC platforms for A&A documentation and continuous monitoring, such as JCAM/CSAM, Xacta, or equivalent.
Active CompTIA Security+ CE certification.
DoD 8570.01-M / DoD 8140 compliance at IAM Level II or III, with CISSP, CISM, CASP+, or equivalent.
Ability to maintain a Public Trust clearance.

Responsibilities

Support and execute all phases of the NIST SP 800-37 RMF lifecycle across multiple concurrent systems and network environments.
Develop, maintain, and update RMF documentation, including SSPs, SARs, SAPs, POA&Ms, contingency plans, incident response plans, risk assessment documentation, and interconnection agreements.
Conduct multiple concurrent RMF assessments and maintain compliance documentation in JCAM.
Assess and authorize emerging technology systems, including AI/ML platforms and microservices-based architectures, adapting NIST SP 800-53 Rev. 5 control baselines where standard guidance requires augmentation.
Manage evidence collection, control traceability documentation, and Body of Evidence (BOE) packages for assessments, audits, and compliance reviews.
Establish system impact levels under FIPS 199 and conduct and document Privacy Impact Assessments (PIAs) and Privacy Threshold Analyses (PTAs).
Review and analyze vulnerability results using Tenable Security Center; create, track, and manage POA&M remediation activities through closure; and validate scan completeness before Security Control Assessor review.
Provide security reporting, dashboards, and status updates to system owners and stakeholders, and support security metrics and scorecard reporting.
Ensure systems comply with FISMA, NIST SP 800-53 Rev. 5, CNSSI 1253, OMB A-130, and applicable client cybersecurity policies.
Manage assessment workflow and task tracking using JIRA, maintaining status visibility across concurrent assessment pipelines.
Mentor junior ISSO staff and develop SOPs, work instructions, and process documentation to improve team efficiency and assessment quality.
Collaborate with technical and non-technical personnel to review systems, gather evidence, and communicate security requirements to system owners and program leadership.