Senior Internal Auditor

General information

Requisition # R65991 Locations USA-VA-Herndon Posting Date 02/12/2026 Security Clearance Required None Remote Type Hybrid Time Type Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Internal Auditor to join our Regulatory Affairs and Compliance team. The candidate must be located within a commutable distance to Herndon, VA to allow for periodic on-site collaboration.  

Responsibilities include but are not limited to:

• Perform comprehensive financial, operational, and compliance audits from planning to reporting, ensuring the effectiveness of our risk management and internal controls.
• Take the lead on Sarbanes-Oxley (SOX) compliance, from evaluating control design to testing and supporting management's assessment.
• Conduct in-depth interviews and leverage data analytics to thoroughly understand business processes, identify risks, and enhance audit efficiency.
• Prepare and verbally present audit results to stakeholders, including senior leadership
• Drive positive change by performing root cause analysis, partnering with stakeholders to implement process improvements, and presenting clear audit findings and recommendations.
• Foster strong relationships with business partners and management, serving as a trusted advisor on internal controls and operational excellence.
• Act as a key advisor in fostering a culture of integrity, promoting best practices in governance and internal controls across all business functions.

Minimum Qualifications:

• A bachelor's degree in accounting or finance, with an active CPA or CIA certification (or in the process of obtaining one).
• At least 4 years of professional audit experience, either internal or external, with a strong background in testing internal control design and execution.
• A deep understanding of core business processes, including Accounting, Financial Reporting, and Revenue Recognition.
• Excellent communication and interpersonal skills, with the ability to build relationships and work effectively with individuals at all levels.
• Proven analytical and problem-solving abilities, with a knack for managing multiple priorities in a dynamic environment.
• A proactive and professional energy, demonstrating a desire for greater responsibility and the autonomy to drive projects forward.

Preferred Qualifications:

• Two years of experience in the government contracting industry

Clearance Requirement:

• US Citizen

Physical Requirement:

• 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 considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.