Principal Auditor; On-Site

Organization Overview

The mission of Brookhaven National Laboratory (BNL) Internal Audit is to provide independent, objective assurance and consulting services designed to add value and improve the organization’s operations. It helps the organization accomplish its objectives by bringing a systematic, disciplined approach to evaluate and improve the effectiveness of risk management, control, and governance processes.

Internal Audit has an exciting opportunity for an experienced Principal Auditor specializing in financial, operational, compliance, and technology‑enabled auditing. The successful candidate plans and executes complex internal audit projects designed to assess internal control processes, financial results, and operational performance. This role supports Brookhaven National Laboratory’s mission of discovery science and transformative technology that powers and secures the nation’s future by providing independent assurance and risk insights across enterprise‑wide programs, systems, and operations.

The Principal Auditor operates with a high degree of independence, serves as a strategic advisor to management, and contributes to enterprise risk assessment and audit strategy, leveraging modern audit techniques including advanced data analytics and emerging capabilities such as automation and AI‑enabled auditing.

Provides professional audit work, individually or within a team, in identifying organizational risk and conducting internal audits in accordance with Standards for the Professional Practice of Internal Audit and department standards.

Leads and executes complex, risk‑based internal audits and projects, including enterprise‑wide, programmatic audits, analyzing risks, reviewing processes, and evaluating financial, operational, and IT controls.

Plans and executes financial, operational, and technology audits designed to assess internal control processes and operational performance in alignment with recognized frameworks such as COSO and applicable professional standards.

Demonstrates a thorough understanding of complex operational, business, and automated systems processes.

Prepares work papers and reports that document results of activities, including recommended management actions.

Prepares detailed plans for performing audits, including identifying key risks and controls, determining audit objectives, and developing appropriate audit programs.

Independently performs testing, evaluates effectiveness of controls, conducts root cause analysis, and develops recommendations to improve processes, mitigate risk, and enhance efficiency using data‑driven and continuous auditing approaches.

Prepares audit reports designed to objectively assess systems, processes, and operations, including clear identification of root causes, and develops recommendations for corrective actions and sustainable process improvements.

Identifies potential audit areas and contributes to the annual audit risk assessment, enterprise risk evaluation, and audit planning process.

May lead or participate in special projects, investigations, or cross‑functional initiatives, including potential fraud reviews.

Reviews work of others, provides guidance to less experienced staff, and serves as a resource on complex audit, business, and technology‑related issues.

Collaborates with stakeholders across the organization, including senior management, and engages with external auditors, DOE representatives, and peer laboratories as appropriate.

• Bachelor’s degree in a related business field (Accounting, IT, Business or similar) or equivalent experience generally based on the basis if 2:1 (experience: college) years.
• A minimum of eight (8) years of experience in Internal Audit or equivalent oversight functions (e.g., Office of Inspector General) with exposure to procurement processes, budgeting, financial reporting, accounting standards, project management, or a related field.
• Certified Internal Auditor (CIA), Certified Public Accountant (CPA) and/or other relevant certifications.
• Experience in performing internal audits with an emphasis on…