Accounts Payable Manager — Automation & Controls Leader

Quantum-Si; San Diego (CA); On-site; USD 105,000 - 125,000; Full time

Benefits offered by this job

Health insurance

HSA/FSA options

Company-paid life and AD&D insurance

Disability coverage

Employee Assistance Program (EAP)

Discretionary paid time off

Job summary

Quantum-Si is seeking an Accounts Payable Manager in the San Diego area to lead day-to-day AP activities, onboarding, and payments while driving process improvements. You will manage vendor relationships, ensure SOX controls, and collaborate with Procurement, Accounting, Treasury, and Tax to optimize the procure-to-pay cycle.

The role combines hands-on execution with leadership, requires 7+ years in AP/P2P, and offers a base salary with a discretionary annual bonus and equity opportunities.

Qualifications

• 7+ years of progressive accounts payable or procure-to-pay experience.
• Strong understanding of accounts payable operations, internal controls, and financial close processes.
• Experience working directly within ERP and AP automation systems, NetSuite preferred.
• Experience with Tipalti or other AP automation platforms preferred.
• Ability to perform work in a fast-paced, deadline-driven work environment while consistently meeting standards for productivity and quality.
• Demonstrated ability to balance strategic process improvement with hands-on transactional responsibilities.
• Must be a self-starter with excellent time management skills with proven ability to meet deadlines.
• Communicates in clear and concise manner across multiple levels of the organization, both orally and written.

Responsibilities

• Own and execute the day-to-day accounts payable function, ensuring accurate and timely processing of invoices, employee reimbursements, credit memos, and vendor payments.
• Perform and review invoice coding, three-way match validation, exception resolution, and approval workflow management.
• Prepare and process payment runs including ACH, wire transfers, virtual card payments, and checks.
• Review, audit, and process employee expense reports for accuracy, completeness, appropriate business purpose, proper supporting documentation, and policy compliance.
• Partner with Procurement, Accounting, Treasury, Tax and department leaders to improve process efficiency and user experience.
• Execute and maintain key controls within the procure-to-pay cycle in accordance with SOX requirements and company policies.
• Ensure invoices, vendor records, and payments are processed in compliance with approval authority requirements and established controls.
• Manage vendor onboarding and maintenance processes, including validation of banking information, tax forms, and required documentation.
• Support monthly, quarterly, and annual close activities related to accounts payable and accrued liabilities.
• Prepare and analyze AP-related reconciliations, schedules, and reports.
• Coordinate annual Form 1099 reporting activities.
• Support compliance with applicable tax, payment, and regulatory requirements.
• Identify opportunities to leverage technology to reduce manual processing and improve scalability.

Skills

Accounts payable

Procure-to-pay

ERP systems

NetSuite

AP automation

Vendor management

SOX controls

Process improvement

Time management

Communication

Tools

Tipalti

Job description

Quantum-Si is seeking an Accounts Payable Manager in the San Diego area to lead day-to-day AP activities, onboarding, and payments while driving process improvements. You will manage vendor relationships, ensure SOX controls, and collaborate with Procurement, Accounting, Treasury, and Tax to optimize the procure-to-pay cycle.

The role combines hands-on execution with leadership, requires 7+ years in AP/P2P, and offers a base salary with a discretionary annual bonus and equity opportunities.