Internal Auditor / Internal Auditoress

Lonza AG - June 12, 2026

Internal Auditor

Location: Basel, Switzerland. Relocation assistance is available for eligible candidates and their families if needed.

We are seeking a highly motivated and talented auditor or audit manager to join our small yet impactful internal audit team. In this role, you will support or lead internal audit assignments within the Lonza Group, gaining valuable insights into the business and laying the groundwork for your future in line management.

Lonza Audit Services (LAS) provides the Board and management with independent, risk-based, and objective assurance, advice, insight, and foresight. This function operates independently with direct accountability to the Board, collaborating with management to review activities within the organization. We report observations, risks, and recommendations to the audited parties, senior management, the Executive Committee, and the Audit & Compliance Committee.

This position is primarily on-site, fostering close, real-time collaboration and the technical precision necessary to manufacture medicines to the highest quality and safety standards. While we offer flexibility to work remotely for up to 20% of your time, requests will be considered on a case-by-case basis, aligning with business needs.

What You Will Get

  • An agile career and dynamic working culture
  • An inclusive and ethical workplace
  • A variety of benefits tailored to your locality
  • Access to global benefits via Lonza Benefits

What You Will Do

  • Deliver and lead internal audit engagements by planning, executing, and reporting on assigned audits; manage complex reviews, including consulting/advisory assignments and special projects across operational areas.
  • Collaborate within audit teams by supporting colleagues in their roles and, when acting as team lead, coaching, supervising, and developing team members and external specialists throughout engagements.
  • Communicate audit outcomes effectively by presenting results to stakeholders and producing clear, concise reports that articulate key findings, root causes, and associated risks.
  • Enhance audit effectiveness through data and technology, partnering with internal experts to leverage data analytics and SAP configuration reviews, while contributing to the continuous improvement of audit methodologies and processes.
  • Engage with stakeholders across the organization to promote best practices and drive the standardization and harmonization of processes and controls in collaboration with global process owners.
  • Monitor and report on issue remediation by following up on audit recommendations and supporting transparent reporting of open and overdue actions to senior management.
  • Drive continuous improvement within Internal Audit by leading initiatives and contributing to broader projects aimed at enhancing the function's efficiency, effectiveness, and value.

What We Are Looking For

  • Master’s degree, preferably in finance/accounting. A degree in chemistry or a related field is also welcome.
  • 3+ years of internal audit experience, complemented by hands-on experience in operations or project delivery (e.g., project management experience with a solid understanding of project lifecycles, governance, and execution risks).
  • Extensive experience executing assignments in compliance with international auditing standards, and a solid understanding of standard business processes like S2P, OTC, R2R, along with a robust knowledge of SAP.
  • Excellent command of written and spoken English.
  • Passionate about leveraging AI and digital tools; knowledge of ETL concepts and familiarity with SQL, Python programming, and/or Power BI dashboards is a plus.
  • Strong analytical skills, risk-focused, target and deadline-oriented, result-driven, and a motivated self-starter.

About Lonza

At Lonza, our people are our greatest strength. With over 30 sites across five continents, our globally connected teams collaborate daily to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion, and Integrity reflect who we are and how we work together. Everyone's ideas, no matter how big or small, have the potential to improve millions of lives, and that’s the kind of work we want you to be part of.

Innovation thrives when individuals from diverse backgrounds bring their unique perspectives to the table. At Lonza, we value diversity and are committed to creating an inclusive environment for all employees. If you're ready to help turn our customers' breakthrough ideas into viable therapies, we look forward to welcoming you on board.

Ready to shape the future of life sciences? Apply online using the form below. Please note that only applications matching the job profile will be considered.

Location : Basel
Country : Switzerland

Application Form

Please enter your information in the following form and attach your resume (CV)

Only pdf, Word, or OpenOffice file. Maximum file size: 3 MB.