Auditor II

Nevada National Security Sites; North Las Vegas (NV); Hybrid; USD 65,249 - 97,884; Full time

Job summary

Mission Support and Test Services, LLC (MSTS) seeks an Auditor for NNSS in North Las Vegas. You will support planning and execution of internal audits across financial, procurement, and business operations, evaluating controls and identifying process improvements.

The role offers exposure to a broad range of functions with emphasis on financial and procurement processes. US citizenship is required; a 2+ year background in audits is expected.

Qualifications

• US Citizenship required.
• Bachelor’s degree in business-related field with 2+ years of audit experience.
• Preferred: degree in Finance, Accounting, Business, Data Analytics, Information Systems.
• Professional certifications encouraged (CPA, CIA, CISA, CFE, CIGA).
• Audit experience in public accounting or federal environment preferred.
• Knowledge of internal audit standards and risk assessment.
• Willing to relocate to NNSS Losee Road facility; hybrid schedules negotiable.

Responsibilities

• Participates in financial, operational, and compliance audits per annual plan.
• Assists in developing audit programs, risk assessments, and testing procedures.
• Conduct audit fieldwork: interviews, walkthroughs, data analysis, testing of controls.
• Review financial transactions, reconciliations, and supporting documentation.
• Examine procurement activities and assess process across functions.
• Document audit workpapers and findings per IIA standards.
• Complete assigned audit projects and review implementation of recommendations.
• Prepare clear audit reports with findings and recommendations.
• Communicate audit results to management and process owners.
• Track corrective action plans and implementation.
• Assist with investigations addressing fraud, waste, or abuse.
• Support Lead Audit Manager on special projects.

Skills

Audit

Interpersonal skills

Communication skills

Data analysis

Education

Bachelor’s degree in Business, Finance, Accounting, or related field

Job description

Job Description

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.

Responsibilities

The Nevada National Security Site (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 detail-oriented and analytical Auditor with at least 2 years of professional level experience, or equivalent training and experience to support the planning and execution of internal audits across financial, procurement, and business operations. The successful candidate will evaluate internal controls, identify process improvement opportunities, and assess compliance with policies and procedures. This role offers exposure to a broad range of business functions, with a focus on financial and procurement processes.

Key Responsibilities

• Participates in financial, operational, and compliance audits in accordance with the annual audit plan.
• Assists in developing audit programs, risk assessments, and testing procedures.
• Conduct audit fieldwork, including interviews, walkthroughs, data analysis, and testing of controls.
• Review financial transactions, reconciliations, accounting records, and supporting documentation.
• Examine procurement activities and assess operational processes across business functions.
• Documents audit workpapers and findings in accordance with the IIA audit standards.
• Completes the assigned audit projects and review the implementation audit recommendations.
• Assist in preparing clear and concise audit reports with findings and recommendations.
• Communicate audit results and recommendations to audit management and process owners.
• Track corrective action plans and implementation.
• Assists with special investigations addressing matters involving fraud, waste, or abuse.
• Support the Lead Audit Manager in executing special projects and high-priority initiatives, as needed.
• Maintain professional and technical knowledge by staying current on state-of-the-art practices; and participating in professional societies, such as the IIA, as appropriate.

Qualifications

• Due to the nature of our work, US Citizenship is required for all positions.
• Bachelor’s degree in a business-related field and at least 2 years’ of professional level experience, or equivalent training and experience.
• Highly Preferred: Bachelor's degree in Finance, Accounting, Business, Data Analytics, Information Systems, or a related field from an accredited institution.
• Highly Preferred: Certification or progress toward a related professional certification, such as Certified Public Accountant (CPA), Certified Internal Auditor (CIA), Certified Information Systems Auditor (CISA), Certified Fraud Examiner (CFE), Certified IG Auditor (CIGA).
• Audit experience in public accounting or federal government environment preferred.
• Exposure to financial, procurement, and business function audits is preferred.
• Knowledge of professional auditing standards, principles, practices, and techniques, such as the Global Internal Audit Standards is preferred.
• Strong interpersonal skills with demonstrated ability to interact with staff at all levels.
• Superior written and oral communication skills with demonstrated experience in preparing and delivering presentations and audit reports.
• Demonstrated ability to be innovative and have effective problem-solving skills.
• The highest standards of conduct and integrity are expected in past work experience.
• Adopt and use AI tools to advance organizational processes and procedures.
• Primary work location will be at the Losee Road facility in North Las Vegas, Nevada (candidates must be willing to relocate if not local, relocation package available).
• Flexible work schedules available such as 4/10, 5/8, or 9/80's can be negotiated with the manager (hybrid schedule; subject to change).
• Pre-placement physical examination, which includes a drug screen, is required. MSTS maintains a substance abuse policy that includes random drug testing.
• Must possess a valid driver’s license.

Additional Requirements

Ability to obtain a HSPD-12 Personal Identity Verification credential under the Department of Energy Order 206.2, "Identity, Credential, and Access Management," and Supplemental Directive NNSA SD 206.2, "Implementation of Personal Identity Verification for Uncleared Contractors."

EEO Statement

MSTS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, veteran status or other characteristics protected by law. MSTS is a background screening, drug‑free workplace.

Compensation

Annual salary range for this position is: $65,249.60 - $97,884.80.

Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.