InformationSystemsSecurityOfficer–SeniorConsultant

**_Job Family_ :** Cyber Consulting ** _Travel Required_ :** Up to 10% **_Clearance Required_ :** Active Top Secret SCI (TS/SCI) As a Senior Consultant in Guidehouse’s cyber practice, you will lead and execute core security compliance and RMF activities for classified federal systems. You will ensure systems maintain an appropriate security posture, support continuous monitoring, and assist with security assessments and incident coordination. You’ll combine hands on ISSO experience with client-facing consulting: translating mission risk into plans and actions, mentoring junior ISSOs, and advising stakeholders on compliance strategy, metrics, and governance. This blend reflects Guidehouse’s model where senior consultants drive client outcomes, contribute to business development, and support people development across the engagement. **_What You Will Do_ :** The Information Systems Security Officer (**ISSO**) serves as the primary liaison between the system owner and the Information Systems Security Manager (ISSM). The**ISSO** is responsible for maintaining the appropriate operational security posture for assigned information systems and ensuring compliance with Federal Information Security Management Act (FISMA) requirements and Department security policies. ## Responsibilities include, but are not limited to: * Implement and maintain security controls for assigned information systems in accordance with NIST SP 800-53 and Department of Justice security standards * Conduct continuous monitoring activities and coordinate security assessments * Manage the Risk Management Framework (RMF) process, including system categorization, security control selection, implementation, assessment, authorization, and continuous monitoring * Prepare and maintain System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and other security documentation * Coordinate incident response activities and ensure timely reporting of security incidents * Conduct security awareness trai