ManTech is seeking a Senior Investigator to lead investigations of alleged or suspected potential non-compliances with law, regulation, contract, or company policies. This role requires a highly experienced investigator who can work independently, plan, lead, and execute investigations, and contribute to control strengthening strategies. The Senior Investigator will report to the Executive Director of Investigations and collaborate with the Legal department and other investigative functions to resolve cases.

Responsibilities :

• Conduct comprehensive internal investigations of alleged or suspected potential non-compliances with law, regulation, contract or company policies, including conducting initial assessments, scoping, developing investigative plans, interviewing witnesses, reviewing relevant documentation, and analyzing findings.

• Demonstrate effective writing through clear, concise narrative creation that documents complex fraud investigations, new program ideas, and periodic senior management updates. Maintain well organized and thorough case files.

• Adhere to ManTech’s investigation processes, which require clear documentation of investigatory steps performed in ManTech’s case management system to ensure thorough investigations are performed and potential non-compliances are identified.

• Prioritize multiple investigative tasks and responsibilities, while maintaining case cycle times and business needs.

• Brief stakeholders (Senior Management, Legal, Human Resources) on case status, as well as relevant findings during investigations as determined by the sensitivity of the investigation.

• Prepare and present investigation findings, advise stakeholders, and develop appropriate after-investigation actions.

• Identify and document root causes, and work with impacted programs to track remediation measures to closure.

• Maintain the confidentiality and integrity of sensitive information and evidence obtained and reviewed during the course of investigations.

• Assist the Executive Director of Investigations in developing fraud prevention and identification strategies.

• Mentor junior investigators.

• Participate in fraud awareness training and skill development programs to support and improve ManTech’s compliance and investigatory efforts; stay updated on emerging fraud schemes, investigative techniques, and industry best practices.

Minimum Qualifications :

• Bachelor’s degree in, forensic accounting, or a related business field.

• Certified Fraud Examiner (CFE) or equivalent certification.

• Seven years of experience in investigations (e.g., law enforcement, statistics, data analysis, forensic accounting, compliance, internal audit, or a related field).

• 2+ years of experience leading fraud investigations.

• 2+ years in the government or government contracting industry.

• Comprehensive knowledge of technology-based investigative techniques and fraud detection methodologies.

• Strong analytical, verbal communication, and writing skills.

• Significant experience with financial analysis and fraud detection tools.

• Experience presenting to a leadership audience.

• Experience managing multiple investigations simultaneously.

• Demonstrated commitment to promoting an ethical culture and strong corporate values, maintaining professional discretion, and protecting confidentiality of sensitive matters.

Preferred Qualifications :

• Advanced degree in a related field.

• Experience collaborating with government investigator or regulatory agencies.

• Strong knowledge of and experience reviewing government contracting industry-specific fraud risks such as labor mischarging, conflicts of interest, proprietary information misuse, procurement fraud, etc.

• Experience working on complex or highly sensitive fraud cases.