AP/AR Supervisor

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible.

The AP/AR Supervisor will lead a team responsible for core accounts payable and receivable functions across regions. This role ensures accurate and timely processing of financial transactions, supports audit readiness, and drives continuous improvement in operational efficiency. The supervisor will oversee activities including bank statement uploads, billing reconciliation, manual invoice creation, audit support, customer refund processing, customer change requests, output changes, AR inbox management, and Travel & Expense (T&E) operations.

This person must reside in Sao Paulo and commute 2 days/week to our corporate LATAM HQ. Please submit resume/CV in English.

• Supervise daily AP/AR operations, ensuring timely and accurate processing of:
  • Bank statement uploads
  • Billing reconciliation and manual invoice creation
  • Customer refunds and change requests
  • Output changes and AR inbox management
• Oversee Travel & Expense (T&E) activities for the AMR region, including:
  • Policy compliance and exception handling
  • Expense report review and approval workflows
  • Coordination with employees and approvers to resolve discrepancies
  • Liaison with finance and HR teams for reimbursement and audit support
• Ensure compliance with internal controls, SOX narratives, and corporate policies
• Lead month-end close activities, including financial statement preparation and variance analysis
• Prepare and present monthly financial review decks for regional entities
• Support internal and external audits with documentation and process transparency
• Drive process improvements and automation initiatives across AP/AR and T&E workflows
• Collaborate with cross-functional teams (Purchasing, Sales, Customer Care, Tax, Logistics) to resolve discrepancies
• Manage and develop AP/AR and T&E staff, providing coaching and performance feedback
• Monitor KPIs and ensure adherence to contractual payment terms and collection targets
• Maintain accurate vendor and customer master data records

• Experience supporting multiple entities
• Demonstrated success in leading process improvement or automation projects
• High attention to detail and commitment to data accuracy
• Customer service mindset with ability to manage internal and external relationships

• Bachelor’s degree in Accounting, Finance, or related field
• Minimum 5 years of accounting/finance experience, preferably in a multinational environment
• 0–2 years of supervisory experience
• Strong understanding of AP/AR and T&E processes, including 2-way/3-way PO matching and GR/IR reconciliation
• Experience with SAP, VIM, Concur (or similar ERP/T&E systems)
• Proficiency in Microsoft Excel (pivot tables, VLOOKUPs, formulas)
• Familiarity with tax regulations and billing practices
• Effective communication skills in English; Spanish is a plus
• Strong analytical, organizational, and problem-solving skills
• Ability to work independently and collaboratively in a fast-paced environment

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We are a company deeply rooted in belonging, promoting an inclusive environment where employees feel valued and empowered to contribute to our mission. Built on a strong foundation, Illumina has always prioritized openness, collaboration, and seeking alternative perspectives to propel innovation in genomics. We are proud to confirm a zero-net gap in pay, regardless of gender, ethnicity, or race. We also have several Employee Resource Groups (ERG) that deliver career development experiences, increase cultural awareness, and offer opportunities to engage in social responsibility. We are proud to be an equal opportunity employer committed to providing employment opportunity regardless of sex, race, creed, color, gender, religion, marital status, domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition, sexual orientation, pregnancy, military or veteran status, citizenship status, and genetic information. Illumina conducts background checks on applicants for whom a conditional offer of employment has been made. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable local, state, and federal laws. Background check results may potentially result in the withdrawal of a conditional offer of employment. The background check process and any decisions made as a result shall be made in accordance with all applicable local, state, and federal laws. Illumina prohibits the use of generative artificial intelligence (AI) in the application and interview process. If you require accommodation to complete the application or interview process, please contact To learn more, visit: The position will be posted until a final candidate is selected or the requisition has a sufficient number of qualified applicants. This role is not eligible for visa sponsorship.