Accounts Payable Manager

Radiant Industries•El Segundo, CA

13d•$85,500 - $122,325•Onsite

About The Position

Radiant is seeking an Accounts Payable Manager to own end-to-end accounts payable operations. The company processes 800–1,300 invoices monthly across QuickBooks, ION, and Ramp, with no automatic integration or three-way match. This hands-on role will manage the full invoice-to-payment cycle, build scalable AP infrastructure, and establish controls and processes to support growth from prototype development through production ramp. The role combines high-volume invoice processing with ownership of systems, controls, and documentation. It partners closely with Supply Chain on procurement workflows and Finance leadership on cash management strategy and ERP implementation planning. The position is 100% onsite at Radiant’s El Segundo headquarters and may require extended hours and weekends as necessary.

Requirements

At least 5 years of accounts payable experience, including at least 2 years in a senior or lead AP role.
Experience processing high-volume accounts payable (500+ invoices per month) in a fast-paced environment.
Proficiency with AP automation tools and ERP systems.
Strong understanding of three-way match processes, GL coding, and month-end close procedures.
Experience with 1099 reporting, sales/use tax compliance, and audit support.
Track record of building or improving AP processes and controls.
Excellent attention to detail and ability to manage competing priorities.
Strong communication skills for vendor management and cross-functional collaboration.
Must be willing to work extended hours and weekends as necessary to accomplish the company’s mission.
Must work 100% onsite at the El Segundo headquarters.

Nice To Haves

Hardware, manufacturing, or aerospace/defense industry background.
Experience with government contract accounting (FAR/DFARS).
Familiarity with Ramp, QuickBooks, and/or ION.
Experience supporting ERP implementations or system migrations.
SQL or reporting tool proficiency for building AP analytics.
Experience in high-growth companies navigating significant scale.

Responsibilities

Process 800–1,300+ invoices monthly across QuickBooks, ION, and Ramp.
Review, code, and approve invoices, ensuring proper GL account assignment, project codes, and class accounting.
Perform manual three-way matching across disconnected systems until ERP implementation.
Handle employee and candidate reimbursements, corporate card reconciliations, and ad-hoc payment requests.
Manage vendor setup, W-9 collection, and vendor master data maintenance.
Execute payment runs to capture early payment discounts and avoid late penalties.
Serve as the primary point of contact for 150+ active vendors and resolve inquiries, disputes, and statement reconciliations.
Coordinate with Procurement on vendor onboarding, contracts, and payment terms.
Monitor aging reports and resolve payment holds or exceptions.
Build scalable AP infrastructure and implement automations where possible.
Design and document AP policies, procedures, and workflows.
Implement approval matrices, segregation of duties, and fraud-prevention controls.
Build audit-ready documentation and support external audits.
Maximize the functionality of Ramp Pro automation, ION workflows, and QuickBooks coding rules.
Document current-state processes and pain points to inform 2026 ERP requirements.
Lead the AP workstream for ERP selection, implementation, and data migration.
Maintain 1099 vendor tracking and support sales/use tax compliance and annual filings.
Partner with Supply Chain and Receiving on purchase order workflows and vendor management.
Train employees on policies, Ramp usage, and invoice submission requirements.

Benefits

Substantial incentive stock plan for all full-time employees.
Medical coverage up to the base silver-level plan for the employee and 50% for dependents; plans up to Platinum are offered.
Sponsored One Medical memberships for employees and dependents.
100% coverage for the top-tier vision plan and 50% for dependents.
100% coverage for the top-tier dental plan; orthodontia costs extra, and dependents receive 50% coverage.
Voluntary life, accident, hospital, and critical illness coverage, as well as commuter benefits and FSA/HSA, are offered as employee-contributed benefits.
Eight weeks of paid parental leave for all parents, plus additional paid pregnancy leave for California employees.
Daily catered lunch, free snacks, and drinks.
Flexible PTO policy.
Remote workday allocation.
Company and team-bonding events, happy hours, and in-person camaraderie.
Substantial equity grants and comprehensive health benefits as part of the new-hire compensation package.