Accounts Payable Senior Manager

Ionis • Carlsbad, CA

6d

About The Position

The Accounts Payable Senior Manager is responsible for overseeing day-to-day Accounts Payable and Travel & Expense (T&E) operations, ensuring timely, accurate, and compliant processing across all payment and expense activities. Reporting to the AP Associate Director, this role focuses on operational execution, people leadership, and workload management, enabling the broader AP organization to meet monthly objectives and service-level expectations. The Senior Manager manages and develops the AP team, oversees daily workload and priorities, ensures timely supplier payments and expense report approvals, and serves as the primary operational escalation point for AP and Concur-related matters. This role operates with a high degree of independence within established policies and procedures, exercising judgment to resolve issues and escalating matters as appropriate. The Senior Manager supports system upgrades and enhancements and partners with the AP Associate Director on projects and process improvement initiatives, while maintaining ownership of daily AP and T&E operations. This role has three direct reports (two AP Processors and one AP Senior Processor).

Requirements

• Associate’s degree in Accounting, Finance, or related field (or equivalent experience).
• 8–10+ years of Accounts Payable experience, including people management.
• Strong knowledge of AP and T&E operations, payments, reconciliations, and month-end close.
• Hands-on experience with ERP and AP systems (SAP preferred; Coupa and Concur).
• Strong leadership, problem-solving, organizational, and communication skills.
• Ability to operate independently, manage ambiguity, and prioritize competing operational demands.

Responsibilities

• Oversee daily Accounts Payable operations to ensure timely invoice processing and payments
• Oversee daily Concur operations to ensure timely expense report audit and approvals.
• Monitor workload, invoice and expense aging, and operational metrics to meet monthly close and service-level objectives.
• Ensure compliance with internal controls, policies, and audit requirements.
• Assist with internal Audit requirements to incorporate formal audit on the T&E side.
• Act as the primary operational escalation point for AP and T&E issues.
• Oversee AP and T&E shared mailboxes to ensure timely and professional responses.
• Partner with cross-functional teams to resolve operational issues impacting AP and T&E.
• Manage, coach, and develop AP team members, including workload assignment and prioritization.
• Conduct regular one-on-ones, provide performance feedback, and complete year-end performance reviews.
• Ensure consistent execution of processes and accountability across the team.
• Lead the operational execution of system upgrades and enhancements (SAP, Coupa, Concur) with guidance and oversight from the AP Associate Director.
• Ensure users are prepared for system changes, issues are resolved timely, and post-go-live operations are stabilized.
• Maintain operational documentation and ensure adherence to established procedures.
• Support internal and external audits by preparing documentation and responding to audit requests.
• Support month-end close activities, including accruals, reconciliations, and variance analysis.
• Lead the Form 1099 preparation and review.

Benefits

• Ionis offers an excellent benefits package!
• Full Benefits Link: https://www.ionis.com/careers/working-at-ionis/#:~:text=our employee spotlight-,Benefits,-Employees are rewarded

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree
• Number of Employees: 1,001-5,000 employees