Senior Accounts Payable Specialist #4533

Our mission is to detect cancer early, when it can be cured. We are working to change the trajectory of cancer mortality and bring stakeholders together to adopt innovative, safe, and effective technologies that can transform cancer care. We are a healthcare company, pioneering new technologies to advance early cancer detection. We have built a multi-disciplinary organization of scientists, engineers, and physicians and we are using the power of next-generation sequencing (NGS), population-scale clinical studies, and state-of-the-art computer science and data science to overcome one of medicine’s greatest challenges. GRAIL is headquartered in the bay area of California, with locations in Washington, D.C., North Carolina, and the United Kingdom. It is supported by leading global investors and pharmaceutical, technology, and healthcare companies. For more information, please visit grail.com The Senior Accounts Payable Specialist will play a critical role in supporting this mission by ensuring accurate, timely, and compliant processing of vendor payments and expenses in a rapidly scaling environment. They will be responsible for the day-to-day and month-end activities of the AP function, including invoice processing, ensuring timely payment, employee expense reimbursement, and vendor management. This role will partner closely with GL, Procurement and business stakeholders to ensure strong internal controls, operational efficiency, and a high level of customer service to internal and external partners.  The ideal candidate is detail oriented, process-driven, has a strong knowledge of accounting, and is comfortable operating in a fast-paced, high-growth environment.  This role is based in Menlo Park, California, and will move to Sunnyvale, California, in Fall 2026. It offers a flexible work arrangement, with the ability to work from GRAIL's office or from home. Our current flexible work arrangement policy requires that a minimum of 40%, or 16 hours, of your total work week be on-site. Your specific schedule, determined in collaboration with your manager, will align with team and business needs and could exceed the 40% requirement for the site. At our Menlo Park campus, Tuesdays and Thursdays are the key days where we encourage on-site presence to engage in events and on-site activities. Responsibilities:

Own the facilitation and execution of AP Process: intake, three-way matching, coding, and approval, while applying a thorough understanding of the business context.

Monitor AP aging and proactively resolve issues to avoid late payments or service interruptions.

Enter invoices accurately and timely, ensuring proper coding and documentation

Respond to all vendor inquiries, reconciling all vendor statements, correcting any discrepancies.

Proactively identifies issues and drives resolution with minimal supervision.

Review and process employee expense reports and corporate card transactions within Concur, ensuring spend is within Company policy

Assist in month-end close, preparing journal entries and balance sheet reconciliations

Support vendor onboarding, including collection and review of tax forms (e.g., W-9, W-8), banking details, and compliance documentation.

Maintain accurate and complete vendor master data, including changes to addresses, payment terms, and banking information.

Assist in the preparation of annual 1099 filings

Participant in process improvement initiatives, projects, and ad hoc assignments as needed

Takes end-to-end responsibility for AP processes and deliverables, consistently meeting deadlines and service level expectations

Protect the Company’s value by keeping all information confidential

Thrives in a dynamic environment and can adjust to evolving processes, systems, and business needs.

These responsibilities summarize the role’s primary responsibilities and are not an exhaustive list. They may change at the company’s discretion.

Required Qualifications:

5+ years of AP experience

Bachelor’s degree or an equivalent combination of education and experience

Experience with Coupa

Excellent professional written and verbal communication and interpersonal skills are required

Advanced Excel and Google Suite products (Sheets, Docs) knowledge is required

Preferred Qualifications:

Experience with Netsuite, Coupa and Concur preferred

Excellent professional written and verbal communication and interpersonal skills are required

Ability to prioritize assignments, deal with interruptions, and meet deadlines in a fast paced and growth oriented environment

Strong attention to detail with a commitment to accuracy and data integrity.

Excellent organizational skills and the ability to manage multiple priorities and deadlines.

Strong knowledge of accounting principles and practices, including Generally Accepted Accounting Principles

Proven teamwork and collaboration skills

Physical Demands & Working Environment:

Hours and days may vary depending on operational needs.

Standing or sitting for long periods of time may be necessary.