Skip to content

Senior AP Specialist

Torrance, California, United States
Full Time On-site

Summary

Job Description

Job Summary:

This is an exciting role in an innovative, high-growth defense technology company. Epirus is looking for a Sr. Accounts Payable Specialist who will be supporting the company’s payables operation. This role will assist with entering and maintaining data in a time-sensitive manner to ensure accurate financial records and handling. This is a great opportunity for a detail-oriented person who enjoys processing transactions, problem-solving with numbers and preparing financial data in a fast-paced environment. 

Responsibilities:

  • Perform day-to-day, full cycle accounts payable transactions to ensure accurate and timely invoice and payment processing 
  • Perform a 3-way match between Purchase Orders, Invoices, and Good Receipts and obtain appropriate invoice approval prior to posting 
  • Review invoices for processing to ensure services rendered and billings are in accordance with Purchase Orders and Contracts 
  • Assist with vendor onboarding processes as well as collecting, verifying and adding ACH bank information in the ERP system 
  • Analyze monthly vendor statements and help resolve any questions or issues with internal and external stakeholders  
  • Assist with AP accruals, GL account reconciliations, travel and expense journal entries, and other month-end close processes as needed 
  • Assist Accounting with providing supporting documentation for audits, identify opportunities for process improvements and other ad hoc requests 

Basic Qualifications:

  • Minimum 5 years of accounts payable or general accounting experience and a Bachelor’s degree in accounting or related OR 3 years experience with a Master’s degree 
  • Previous experience of accounting software Oracle Fusion and Microsoft Office Suite 
  • Firm understanding of general accounting principles 
  • Possesses basic understanding of 1099, W9 & W8 requirements 
  • Strong attention to detail, problem solving, analytics and basic data entry skills 
  • Self-starter with the ability to prioritize and execute on multiple tasks in a fast-paced environment, while maintaining accuracy and meeting deadlines 

ITAR REQUIREMENTS:

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.   

At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules. 

As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. 
For the state of California only, the range of starting pay for this role is:
$76,900—$98,900 USD

About Epirus

Epirus

Epirus is a fast-growing defense technology company building next-generation directed energy systems designed to counter modern battlefield threats, especially drone swarms and electronic attacks. The company is best known for its flagship system, Leonidas, a high-power microwave platform that disables electronics at range and represents a shift toward “one-to-many” counter-drone defense capabilities in modern warfare.

For job seekers, Epirus offers the chance to work on highly advanced systems at the intersection of electronics, software, AI, and defense engineering. The company hires across robotics, electrical engineering, RF systems, software development, systems engineering, manufacturing, and defense program roles—making it especially attractive to engineers, veterans, and cleared professionals who want to build technologies used directly in national security missions.

Unlike traditional defense contractors, Epirus operates with a startup-style, mission-driven culture focused on speed, ownership, and rapid deployment of technology into real-world environments. Employees work in a highly technical environment where hardware and software are tightly integrated, and where innovation is driven by urgent operational needs rather than long development cycles.

As militaries increasingly prioritize counter-drone, electronic warfare, and autonomous defense systems, Epirus continues to grow its footprint through new contracts, partnerships, and production scaling. For professionals looking to join a high-growth defense startup building cutting-edge electromagnetic and AI-enabled defense systems, Epirus stands out as one of the most closely watched companies in the modern defense technology ecosystem.

Go to company profile