The Role
Own and manage full-cycle accounts payable and expense programs, including invoice processing, PO matching, vendor onboarding and inquiries, credit card and expense reimbursement administration, 1099 filing, vendor tax documentation, AP system administration, internal controls, cross-functional P2P process improvements, and leadership/training of future AP staff.
Summary Generated by Built In
Long Wall Company was created in 2024 to accelerate missile defense technology for the U.S. and our allies. Building on the RS1 and GS0 launch systems, Long Wall develops containerized, mass-producible missile defense systems and offers rapid, low-cost flight testing. We believe that the future of global security and stability require defensive technology that is lower cost, higher performing, better tested, and more broadly distributed than is possible today. Join us.
What we look for
Mission-Driven Problem Solvers. The aerospace frontier demands ingenuity. We want Team members who approach challenges with curiosity, embrace failure as a learning opportunity, and stay focused on delivering the best solution for the mission.
Total Ownership. We seek staff and engineers who take full responsibility for contributing to and delivering flight-ready work while recognizing that no one succeeds alone. The best engineers, corporate professionals, and technicians make their teammates better. Knowing that complementary skills create force multiplication and drive mission success.
DESCRIPTION
The Accounts Payable Manager owns the Company's accounts payable and expense management functions. This role serves as a key partner across Accounting, Finance, Supply Chain, Legal, and other business functions.
This is a highly visible, hands-on role with significant ownership, reporting directly to the Controller. In addition to managing day-to-day accounts payable activities, this position plays a key role in developing scalable processes, strengthening internal controls, improving cross-functional workflows, and supporting the continued growth and evolution of the finance organization. The ideal candidate is equally comfortable executing operational responsibilities, solving complex problems, and driving process improvements across the business.
RESPONSIBILITIES:
- Process and code invoices accurately, ensuring adherence to company policies and accounting standards
- Match invoices to purchase orders and receiving documentation to verify accuracy and completeness
- Serve as the primary point of contact for vendor inquiries and escalations
- Manage vendor onboarding activities, including collection and review of required documentation, vendor setup, and vendor master maintenance
- Partner with Supply Chain, Legal, and business stakeholders to support efficient procure-to-pay workflows and ensure compliance with company policies
- Prepare and file annual Form 1099 reporting and maintain vendor tax documentation
- Administer company credit card and expense reimbursement programs, including transaction review and coding, reimbursement approvals, spend monitoring, and escalation of policy exceptions as appropriate
- Serve as system administrator for expense management platforms and related workflows
- Develop, maintain, and enhance accounts payable policies, procedures, and internal controls to support a scalable and compliant finance function
- Provide leadership, training, and oversight for future AP team members as the organization grows
BASIC QUALIFICATIONS:
- Experience: 7+ years of progressive experience in Accounts Payable, with at least 2 years in a supervisory or management role
- Education: High school diploma, GED, or equivalent
REQUIRED SKILLS AND EXPERIENCE:
- Experience managing full-cycle accounts payable processes
- Strong understanding of accounting principles and internal controls
- Experience administering corporate credit card and expense reimbursement programs, including transaction review, approvals, and policy enforcement
- Experience preparing and filing annual Form 1099s and maintaining vendor tax documentation (e.g., W-9 collection and validation)
PREFERRED SKILLS AND EXPERIENCE:
- Experience supporting high-growth or manufacturing organizations
- Experience with government contracting or regulated industries
- Experience with ERP systems and AP automation platforms
- Excellent organizational, communication, and problem-solving skills
- Prior experience supervising or leading AP staff
ADDITIONAL REQUIREMENTS:
- Ability to sit or stand for extended periods of time
- Ability to use a computer to complete assignments
- Ability to communicate with individuals and groups in person, by phone and telepresence
- While performing the duties of this job, the employee will typically work in an office environment
ITAR Requirement
This position requires access to information protected under US export control laws, including the International Traffic in Arms Regulations and/or the Export Administration Regulations. As such, US person status (including US citizens, U.S. permanent residents, individuals granted U.S. asylum status, or individuals admitted in U.S. refugee status) is a required qualification for this position.
Equal Opportunity Employer
We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, protected veteran status, disability, genetics, or citizenship status (when otherwise legally authorized to work and access export-controlled data) and will not be discriminated against on the basis of such characteristics or any other status protected by the laws or regulations in the locations where we operate. We encourage applicants of all ages.
Skills Required
- 7+ years progressive Accounts Payable experience with at least 2 years supervisory or management experience
- High school diploma, GED, or equivalent
- Experience managing full-cycle accounts payable processes
- Strong understanding of accounting principles and internal controls
- Experience administering corporate credit card and expense reimbursement programs
- Experience preparing and filing annual Form 1099s and maintaining vendor tax documentation (W-9 collection/validation)
- Serve as system administrator for expense management platforms / related workflows
- US person status required (must meet ITAR export-control eligibility)
- Ability to sit or stand for extended periods, use a computer, and communicate in person/by phone/telepresence
- Experience supporting high-growth or manufacturing organizations
- Experience with government contracting or regulated industries
- Experience with ERP systems and AP automation platforms
- Prior experience supervising or leading AP staff
- Excellent organizational, communication, and problem-solving skills
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The Company
What We Do
Long Wall is an American aerospace company based in Long Beach, California, that specializes in developing and manufacturing deployable launch vehicles and infrastructure for missile defense. Formerly known as ABL Space Systems, the company focuses on creating containerized, mass-producible missile defense systems and providing rapid, low-cost flight testing to enhance global security and stability through advanced defensive technology.
