Lead Audit Manager, Internal Audit (Manager I)

Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA).  Our MISSION is to help ensure the security of the United States and its allies by providing high-hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site’s Cold War legacy.  Our VISION is to be the user site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. (See NNSS.gov for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.   

• MSTS offers our full-time employees highly competitive salaries and benefits packages including medical, dental, and vision; both a pension and a 401k; paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more.  
• MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc.

The Nevada National Security Sites (NNSS) is a $1B annual operation performing highly technical national security work for the government; NNSS is managed and operated by Mission Support and Test Services, LLC, a joint venture of Honeywell, Amentum, and Huntington Ingalls Industries.  NNSS is seeking a highly qualified and experienced audit leader for the position of Internal Audit (IA) Lead Audit Manager (Manager I) in Las Vegas, NV. This position is responsible for managing a team of three, responsible for the financial, procurement, and corporate audit work portfolio of the annual audit plan.  The Lead Audit Manager reports directly to the IA Chief Audit Executive (CAE). 

Key Responsibilities

• Report directly to the Chief Audit Executive (CAE) and support execution of the internal audit function’s strategic objectives.

• Engage with Senior Directors and functional leaders to assess risk areas and to develop part of the annual NNSS Audit Plan. Lead the Internal Audit Team in executing plan.
• Develop and execute a comprehensive, risk-based audit plan covering financial, contract, corporate, and other audit areas as needed.
• Manage audit staff across multiple levels, from senior principals to staff-level employees, ensuring audits are completed on time and that workpapers and analyses are thoroughly reviewed and finalized.
• Conducts and/or coordinates audits and/or investigations of a complex nature.
• Direct, manage, and lead audits of financial processes, including reporting, internal controls, and compliance with applicable accounting standards and regulations.
• Direct, manage, and lead audits of contract lifecycle activities, including procurement, vendor management, billing, and compliance with contractual terms.
• Supervise and conduct audits of corporate functions, such as HR, IT, Legal, and Operations, to assess governance, risk management, and control effectiveness.
• Oversee and, as necessary, lead audits in operational, information technology (IT), and program areas based on organizational risk priorities.
• Evaluate the adequacy and effectiveness of internal controls and recommend improvements to mitigate financial, operational, and compliance risks.
• Review and communicate audit findings and recommendations to execute leadership and other key stakeholders, ensuring clarity, accuracy, and actionable insights.
• Partner with the CAE to oversee and maintain the Quality Assurance Improvement Program (QAIP) ensuring conformance with professional internal audit standards and continuous improvement of audit practices.
• Coordinate and lead internal support of external audits (e.g., Office of Inspector General and Government Accountability Office).
• Direct and/or lead management advisory or special reviews, such as internal management request reviews and fraud, waste, and abuse investigations.
• Assist the CAE in organizing and facilitating quarterly Board of Managers’ audit committee meetings.
• Support the CAE in executing special projects and high-priority initiatives, as needed.
• Review workpapers in the audit management tool to ensure quality of analysis and evidence is sufficient, reliable, relevant, and useful.  Delegate audits to employees and verify progress and validate quality at completion.
• Ensure audit project activities and workpapers are reviewed and closed out timely.
• Monitor and validate the timely remediation of audit findings.  Work across the