Internal auditor senior, Internal Audit

About This Role The Senior Internal Auditor plays a key role in strengthening Biogen’s risk management, governance, and internal control environment, while gaining broad exposure to the processes and building an understanding of Biogen’s business objectives, operating model and industry environment. This role goes beyond routine testing and enables the Senior Auditor to develop strong technical skills, sound judgment, and a business‑oriented perspective. As part of a high‑performing Internal Audit team, you will execute risk‑based audits, work closely with Audit Management and business stakeholders, and contribute practical insights that support informed decision‑making and continuous improvement across the organization. This role is well‑suited for professionals seeking to deepen audit judgment, gain broad business exposure, and build a foundation for future growth within Internal Audit or the life sciences industry.

What You'll Do Execute financial, operational, IT, and compliance audits from planning through reporting under the direction of Audit Management, with ownership of assigned audit areas, testing, and deliverables

Apply a risk‑based approach to identify key risks, evaluate control design and operating effectiveness, and assess process performance in alignment with Internal Audit standards

document process understanding, risks, and controls with clear traceability

Perform audit procedures (including analytics‑enabled testing), identify control gaps and root causes, and draft clear, evidence‑based observations and recommendations for management review

Support audit reporting by contributing concise, actionable write‑ups and ensuring workpapers support conclusions and Internal Audit quality standards

Prepare and maintain high‑quality documentation and workpapers in accordance with Internal Audit methodology and documentation standards

Support SOX activities, including testing of higher‑risk controls, while gaining exposure to broader financial and operational audits (including integrated audits where applicable)

Participate in special projects and continuous improvement initiatives (e.g., templates, automation, analytics use cases) that enhance audit efficiency and consistency

walkthrough support, testing approach, documentation quality) and elevate risks/issues to Audit Management in a timely manner

Who You Are You are a critical thinker with the ability to understand business processes and articulate risks clearly and practically. You thrive in a dynamic environment, learning through hands‑on audit experience. You collaborate effectively with audit team members and business stakeholders, fostering strong professional relationships.

Required 2+ years of external or internal audit experience

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

Working knowledge of internal controls, audit methodology, and risk assessment

Willingness to travel up to 20%, including international assignments

Functional knowledge of Generally Accepted Accounting Principles, General Accepted Auditing Standards and other applicable regulatory requirements.

CPA or meaningful progress towards certification

Life Sciences industry experience or relevant business experience outside audit

Experience performing or supporting SOX testing activities

Exposure to data analytics, technology‑enabled audit tools, AI technology

Job Level: Professional Additional Information The base compensation range for this role is: $76,000.00-$99,000.00 Base salary offered is determined through an analytical approach utilizing a combination of factors including, but not limited to, relevant skills & experience, job location, and internal equity. Regular employees are eligible to receive both short term and long‑term incentives, including cash bonus and equity incentive opportunities, designed to reward recent achievements and recognize your future potential based on individual, business unit and company performance.

Medical, Dental, Vision, & Life insurances

Fitness & Wellness programs including a fitness reimbursement

Short- and Long-Term Disability insurance

Up to 12 company paid holidays + 3 paid days off for Personal Significance

Employee stock purchase plan

Tuition reimbursement of up to $10,000 per calendar year

As a mid‑sized biotechnology company, we provide the stability and resources of a well‑established business while fostering an environment where individual contributions make a significant impact. At Biogen, we are committed to building on our culture of inclusion and belonging that reflects the communities where we operate and the patients we serve. We know that diverse backgrounds, cultures, and perspectives make us a stronger and more innovative company, and we are focused on building teams where every employee feels empowered and inspired. All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, sexual orientation, marital status, race, color, national origin, ancestry, ethnicity, religion, age, veteran status, disability, genetic information or any other basis protected by federal, state or local law.

Biogen is an E-Verify Employer in the United States.

As a mid-sized biotechnology company, we provide the stability and resources of a well‑established business while fostering an environment where individual contributions make a significant impact.