**MANTECH** seeks a motivated, career and customer-oriented **Senior Counterintelligence Officer** to join our team in **Springfield, VA** . **Responsibilities include but are not limited to:** + Conduct defensive CI operations and damage assessments to protect NGA missions, personnel, programs, technology, and information systems from intelligence, terrorism, and espionage threats, including close coordination with senior NGA and IC leadership for high-level reviews. + Research, gather, evaluate, and interpret all-source information to identify and analyze intelligence, terrorism, and espionage threats against NGA and the National System for GEOINT (NSG). + Provide comprehensive CI analyses and threat forecasts for distribution to NGA, DoD, and the broader Intelligence Community (IC), including annual assessments for CONUS and OCONUS personnel. + Apply advanced analytical tools (e.g., M3, Palantir, TAC, ARCSIGHT, RSA Security Analytics, CCD, TIDE) to detect and assess anomalous activities and their potential links to foreign intelligence collection. + Facilitate extensive liaison and information sharing with NGA components, DoD, the IC, and law enforcement to support CI activities and stay current on trends and issues. + Conduct foreign contact and travel debriefings, produce critical reports like Supply Chain Risk Assessments and Intelligence Information Reports (IIRs), and provide CI expertise for personnel security adjudications and Special Access Programs (SAP). + Develop and disseminate intelligence, alerts, and countermeasures to mitigate threats, provide analytical forecasts, and offer CI assessments for international agreements involving GEOINT sharing. **Minimum Qualifications:** + Bachelor’s degree in National Intelligence Studies, Law Enforcement, History, Analysis/Research, Journalism, Political Science, Library Science, Engineering, Mathematics, or a related field. + 11+ years of CI experience. + Foundational defensive CI experience (ex. conducting investigations, inquiries, collections, operations, analysis, briefings, debriefings, training and awareness). + Credentialed graduate of an accredited federal or DoD CI training academy (ex. FBI Academy, etc.). **Desired Qualifications:** + Master’s degree in National Intelligence Studies, Law Enforcement, History, Analysis/Research, Journalism, Political Science, Library Science, Engineering, Mathematics, or a related field. **Clearance Requirements:** + Must have a TS/SCI with the ability to pass a CI Poly **Physical Requirements:** + The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.