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
Lead interviews and walkthroughs for assigned areas; 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
Build strong working relationships with process owners and stakeholders while maintaining independence and objectivity
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
Provide informal guidance to less experienced staff (e.g., walkthrough support, testing approach, documentation quality) and escalate 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. Your curiosity, adaptability, and self-motivation drive you to expand your technical and business knowledge. 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
Clear and effective written and verbal communication skills
Strong analytical, organizational and critical-thinking skills
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.
Preferred
Experience working in a Big 4 organization
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.
In addition to compensation, Biogen offers a full and highly competitive range of benefits designed to support our employees’ and their families physical, financial, emotional, and social well-being; including, but not limited to:
Why Biogen?
We are a global team with a commitment to excellence, and a pioneering spirit. 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. Our team encompasses some of the most talented and passionate achievers who have unparalleled opportunities for learning, growth, and expanding their skills. Above all, we work together to deliver life-changing medicines, with every role playing a vital part in our mission. Caring Deeply. Achieving Excellence. Changing Lives.
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. Read on to learn more about Biogen.
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.

Founded in 1978, Biogen is a leading biotechnology company that pioneers innovative science to deliver new medicines to transform patients’ lives and to create value for shareholders and our communities.
We apply deep understanding of human biology and leverage different modalities, to advance first-in-class treatments or therapies that deliver superior outcomes. Our approach is to take bold risks, balanced with return on investment to deliver long-term growth.
With approximately 7,000 people worldwide, we are truly a global organization, headquartered in Cambridge, Massachusetts, which is also home to our research operations. Our international headquarters are based in Baar, Switzerland and we have world-class manufacturing facilities in North Carolina and Solothurn, Switzerland. We offer therapies globally through direct affiliate presence in 30 countries and a network of distribution partners in over 50 additional countries.
For more information, please visit www.biogen.com. Community Guidelines: https://www.biogen.com/community-guidelines.html
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