Long Wall

Produces hypersonic testbeds and defense interceptors

Manager, Cost Accounting

Cost & Management AccountingUpdated on Nov 5

Full-timeLong Beach, CA, USA$130k - $170k /yr

About the Job

Requirements

Bachelor’s degree in Accounting, Finance, or a related field.
At least 5 years of progressive experience in cost accounting, inventory accounting, or manufacturing accounting.
Strong understanding of U.S. generally accepted accounting principles applicable to inventory and manufacturing cost accounting.
Experience working with enterprise resource planning systems and analyzing detailed transactional and operational data.
Experience with physical inventories, cycle counts, inventory reserves, and inventory-related internal controls.
Experience developing and maintaining labor and manufacturing overhead rates, allocation methodologies, and cost pools.
Excellent written and verbal communication skills, with the ability to work effectively across Finance, Operations, Supply Chain, and Engineering.
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 via telepresence.
Ability to travel up to 25% of the time.
U.S. person status is required, including U.S. citizenship, U.S. permanent residency, U.S. asylum status, or U.S. refugee status.

Responsibilities

Own all manufacturing cost accounting activities, including month-end close, inventory accounting, cost maintenance, labor and overhead absorption, and related account reconciliations.
Develop and maintain effective cost accounting processes, policies, controls, and documentation to support accurate and timely financial reporting.
Perform and communicate manufacturing cost and variance analyses, including purchase price, material usage, labor, overhead, work order, cost revaluation, and invoice-to-purchase-order variances.
Partner with Operations, Supply Chain, and Engineering to develop a strong understanding of manufacturing processes, inventory flows, cost drivers, and operational performance.
Partner with Operations and Finance to evaluate labor and overhead rates, absorption, utilization, and other manufacturing cost drivers.
Work closely with the inventory and operations teams to monitor and improve cycle count processes, physical inventory procedures, and overall inventory accuracy.
Ensure the accuracy and integrity of cost and inventory information within the enterprise resource planning system through detailed analysis and coordination with inventory, purchasing, receiving, production, and work order processes.
Identify and lead improvements to cost accounting and enterprise resource planning processes as the company’s manufacturing operations and reporting requirements scale.
Partner with Engineering and Operations to support the accuracy of bills of material, routings, work orders, and other inputs impacting product costs.
Collaborate with financial planning and analysis to identify key cost drivers and provide cost accounting data and analysis to support budgeting, forecasting, and business planning.
Provide financial analysis and insights to support cost reduction initiatives, sourcing decisions, manufacturing efficiency, and other operational decision-making.
Support the design and execution of internal controls over inventory and cost accounting.
Support financial statement audits and other compliance activities related to inventory, manufacturing costs, and cost accounting.
Support and develop members of the Accounting team involved in cost and inventory accounting activities.

Desired Qualifications

Experience within aerospace and defense, automotive, industrial manufacturing, or another complex manufacturing environment.
Experience establishing or improving cost accounting processes in a growing or evolving manufacturing organization.
Experience supporting budgeting, forecasting, and operational cost analysis.
Experience implementing, enhancing, or scaling enterprise resource planning cost accounting and inventory functionality.
Experience managing or developing accounting team members.
Advanced Microsoft Excel skills.
CPA, CMA, or other relevant professional certification is a plus.

Salary Range: 130000 to 170000 (Currency: USD) (Pay period: per-year-salary)

Long Wall Company was created in 2024 to accelerate missile defense technology for the U.S. and our allies. We specialize in ballistic missile defense and are developing Cyclops, a low-cost, mass-producible interceptor. We also produce containerized launchers and offer low-cost targets for threat replication. The future of global security depends on defensive technology that redefines cost, magazine depth, and distribution to deter and defend against evolving threats. Join us.

WHAT WE LOOK FOR

Mission-Driven Problem Solvers – The problems in missile defense demand ingenuity. We want engineers, technicians, and corporate professionals 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 those who take full responsibility for delivering flight-ready work while recognizing that no one succeeds alone. The best engineers, technicians, and corporate professionals make their teammates better, knowing that complementary skills create force multiplication and drive mission success.

Manager, Cost Accounting

DESCRIPTION

The Manager, Cost Accounting will own and lead the cost accounting and inventory accounting functions within the Accounting team. This role will be responsible for ensuring the accuracy and integrity of manufacturing costs and inventory balances, supporting the month-end close and budgeting processes, and providing financial insights to support operational and business decision-making.

Reporting directly to the Controller, the Manager, Cost Accounting will work closely with the broader Finance and Accounting team and partner cross-functionally with Operations, Supply Chain, Engineering, and other teams throughout the organization.

We are looking for someone with strong cost accounting and manufacturing experience who can both manage day-to-day accounting activities and help develop and scale our processes as the organization grows. The ideal candidate is highly analytical, comfortable working with detailed operational data, and able to translate complex cost information into meaningful financial insights. Experience within aerospace & defense, automotive, or another complex manufacturing environment is preferred.

RESPONSIBILITIES:

Own all manufacturing cost accounting activities, including month-end close, inventory accounting, cost maintenance, labor and overhead absorption, and related account reconciliations

Develop and maintain effective cost accounting processes, policies, controls, and documentation to support accurate and timely financial reporting

Perform and communicate manufacturing cost and variance analyses, including purchase price, material usage, labor, overhead, work order, cost revaluation, and invoice-to-PO variances

Partner with Operations, Supply Chain, and Engineering to develop a strong understanding of manufacturing processes, inventory flows, cost drivers, and operational performance

Partner with Operations and Finance to evaluate labor and overhead rates, absorption, utilization, and other manufacturing cost drivers

Work closely with the inventory and operations teams to monitor and improve cycle count processes, physical inventory procedures, and overall inventory accuracy

Ensure the accuracy and integrity of cost and inventory information within the ERP system through detailed analysis and coordination with inventory, purchasing, receiving, production, and work order processes

Identify and lead improvements to cost accounting and ERP processes as the Company’s manufacturing operations and reporting requirements continue to scale

Partner with Engineering and Operations to support the accuracy of bills of material, routings, work orders, and other inputs impacting product costs

Collaborate with FP&A to identify key cost drivers and provide cost accounting data and analysis to support budgeting, forecasting, and business planning

Provide financial analysis and insights to support cost reduction initiatives, sourcing decisions, manufacturing efficiency, and other operational decision-making

Support the design and execution of internal controls over inventory and cost accounting

Support financial statement audits and other compliance activities related to inventory, manufacturing costs, and cost accounting

Support and develop members of the Accounting team involved in cost and inventory accounting activities

BASIC QUALIFICATIONS:

Bachelor’s degree in Accounting, Finance, or related field

5+ years of progressive experience in cost accounting, inventory accounting, or manufacturing accounting

REQUIRED SKILLS AND EXPERIENCES:

Strong understanding of U.S. GAAP applicable to inventory and manufacturing cost accounting

Experience working with ERP systems and analyzing detailed transactional and operational data

Experience with physical inventories, cycle counts, inventory reserves, and inventory-related internal controls

Experience developing and maintaining labor and manufacturing overhead rates, allocation methodologies, and cost pools

Excellent written and verbal communication skills, with the ability to work effectively across Finance, Operations, Supply Chain, and Engineering

PREFERRED SKILLS AND EXPERIENCES:

Experience within aerospace & defense, automotive, industrial manufacturing, or another complex manufacturing environment

Experience establishing or improving cost accounting processes in a growing or evolving manufacturing organization

Experience supporting budgeting, forecasting, and operational cost analysis

Experience implementing, enhancing, or scaling ERP cost accounting and inventory functionality

Experience managing or developing accounting team members

Advanced Microsoft Excel skills

CPA, CMA, or other relevant professional certification is a plus

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 via telepresence
While performing the duties of this job, the employee will typically work in an office environment
Ability to travel up to 25% of the time

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.

National Security Suitability
Depending on the position, Long Wall may require the successful completion of a national security suitability screening in addition to its standard background check. Where required, the screening is conducted by Long Wall’s Facility Security Officer following offer acceptance and may include verification of any current or prior U.S. government security clearances or public trust positions. Information provided during the screening is used solely to determine suitability for the role and is held in confidence by Security. For positions subject to this requirement, any offer of employment is contingent upon a favorable suitability determination.

About the Company

Long Wall

Produces hypersonic testbeds and defense interceptors

Long Wall repurposes its launch heritage to serve U.S. defense needs, building deployable space and missile-defense testing tools for the government. Its RSX is a hypersonic flight-test vehicle used as a test bed and threat-replication target, Ironwood is a containerized ground system for responsive launch, and Cyclops is a surface-launched interceptor designed to engage missiles in midflight. Unlike rivals pursuing commercial satellite launches, Long Wall focuses on U.S.-made defense hardware and offers an integrated set of launch/test and interception capabilities to shorten timelines and reduce costs. Its goal is to strengthen national security by providing ready-to-use, deployable defense testing and interception solutions for government customers.

Company size: 51-200
Company stage: Grant
Total funding: $659.9M
Headquarters: Long Beach, CA
Founded: 2025

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