NCIS Cyber Security Analyst | Active TS/SCI clearance

Cyber Security Analyst Transform technology into opportunity as a Cyber Security Analyst with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. The Naval Criminal Investigative Service (NCIS) is an organization of over 2,200 personnel of which 700 serve at HQ and the remaining staff serve at offices worldwide. NCIS is the Department of Navy (DON) component with primary responsibility for criminal investigation, law enforcement (LE), counter-terrorism (CT), counterintelligence (CI), and cyber matters. NCIS not only has primary responsibility for all criminal investigative, CI, CT, and cyber matters within the DON, but it also has exclusive investigative jurisdiction in non-combat matters involving actual, potential, or suspected criminal, terrorism, sabotage, espionage, and subversive activities. This position is pending contract award in September 2026 timeframe. Meaningful work and personal impact As a Cyber Security Analyst, the work you'll do at GDIT will be impactful to the mission of the NCIS ITD organization in Quantico, VA. Supports all authorization package ACAS related tasks assigned to Issues and NQVs. The goal is to provide the required artifacts IAW the Navy Testing Guidance and Risk Management Framework (RMF) Process Guide required for the submission of an RMF Authorization package. Manages and validates system security compliance by reviewing Security Technical Implementation Guides (STIGs); utilizes scanning tools to assess and report on STIG compliance, ensuring all security configurations meet DoW requirements and support the RMF A&A process. Executes and documents the testing of RMF security controls to validate their effectiveness and compliance with NCIS policies, providing evidence of control implementation for Assessment & Authorization (A&A) packages. Applies a comprehensive understanding of NIST SP 800-53 Revision 5 to select, tailor, and document security and privacy controls, ensuring alignment with federal requirements and the specific operational needs of the authorization package Performs 90 Day Baseline Scans for each Authorization package in accordance with Navy requirements; provide Detailed Vulnerability List (DVL) Reports for use in the eMASS record; provide ACAS Summary Reports in accordance with the Navy Testing Guidance. Conducts weekly and "As Needed" ACAS scans in support of RMF STEP 3/STEP 4 processes, vulnerability assessments and queries specifically targeting authorization package assets; support continuous monitoring for authorized packages and report vulnerability status of all active Enterprise Security packages; create asset lists using provided hardware lists. Performs risk analyses of computer systems and applications during all phases of the system development life cycle using the Assured Compliance Assessment Solution (ACAS) tool. Initiates Enterprise Mission Assurance Support Service (eMASS) registrations, prepares, processes, updates and monitors RMF Assessment and Authorization (A&A) packages; ensures A&A packages are evaluated and maintained in a compliant status; implements and validates A&A packages to ensure security controls and vulnerabilities meet DON RMF authorization compliance requirements. What you'll need to succeed: Bring your cybersecurity expertise along with a drive for innovation to GDIT. Our Cyber Security Analyst must have: Security Clearance Level: Active TS/SCI required. A Top Secret clearance with SCI Eligibility is also acceptable. Required Experience: 5+ years of experience in the systems security discipline with specific emphasis on Navy Cybersecurity practices. Experience in the development of RMF Assessment and Authorization (A&A) Security Plans (SP), System Level Continuous Monitoring (SLCM), Ports, Protocols and Services Management (PPSM), Host Based Security Systems (HBSS), Assured Compliance Assessment Solution (ACAS) vulnerability scanning and Security Technical Implementation Guides (STIGs). Experience with Enterprise Mission Assurance Support Service (eMASS) tools. Experience preparing, processing, assessing, validating, and maintaining RMF A&A packages using eMASS and XACTA tools. Experience with using public key-based technologies for applications. Required Certifications: CompTIA Security+ CE Education: BS Degree or 4 years additional experience in lieu of degree. Location: Onsite at Quantico, VA Position Availability: This position is pending contract award in September 2026 timeframe. US Citizenship required What we'd love for you to have: Completed Navy RMF training Formal ACAS training Formal eMASS training GDIT is your place At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace Gdit