Job Title: Senior Cost Accountant
Job Description

The Senior Cost Accountant will own and analyze manufacturing cost data, inventory valuations, cost variances, and gross margin performance for a high‑mix, low‑volume manufacturing environment. This role partners closely with Operations, Engineering, Production, Procurement, and Finance to ensure accurate standard costing, identify drivers of variance, and improve cost visibility across the business. Reporting directly to the CFO, the Senior Cost Accountant provides critical financial insights that support decision‑making, budgeting, and continuous improvement in manufacturing cost efficiency.

ResponsibilitiesAnalyze product and manufacturing costs, including bill of materials (BOM) accuracy, labor, overhead, and material cost updates to ensure accurate standard costs.Oversee and manage all cost accounting processes, including standard costing, variance analysis, and inventory valuation for manufacturing operations.Review and reconcile inventory accounts such as work in process (WIP), raw materials, and finished goods, including aging, excess and obsolete (E&O), MRB, non‑nettable inventory, and cost adjustments.Perform detailed variance analysis, including purchase price variance (PPV), scrap, yield, absorption, direct labor (DL) and indirect labor (IDL), overhead, freight, and EDM variances, and work with cross‑functional teams to identify and address root causes.Compare quoted costs to actual costs, investigate differences, and ensure proper documentation and support for standard cost updates.Prepare monthly cost and margin reporting, including value‑added margin (VAM%), customer P&L cost views, and site‑level performance reports to support Senior management decision‑making.Support monthly close activities by preparing and reviewing journal entries, reconciliations, cost roll‑ups, cost variances, accruals, and related analyses.Review accounts receivable and accounts payable reconciliations related to cost items, and support the resolution of open items, including AP debits and invoice discrepancies.Partner with Engineering and Operations to maintain BOM accuracy, assess the impact of Engineering Change Orders (ECOs), and manage cost roll processes.Provide cost forecasting support, including loading operating system or ERP data, validating allocation drivers, and reviewing planned variances to improve forecast accuracy.Collaborate with cross‑functional teams to develop accurate budgets and forecasts for manufacturing costs and gross margin performance.Conduct regular reviews of inventory transactions, perform inventory reconciliations, and support cycle counts and physical inventory to maintain inventory accuracy.Identify opportunities to enhance cost accounting processes, streamline reporting, and implement best practices to improve efficiency and control.Ensure adherence to internal accounting policies, standard cost accounting practices, and applicable accounting standards and regulatory requirements.Support annual budgeting processes, internal and external audits, and provide cost documentation and analysis as needed.Work closely with production, engineering, and procurement teams to monitor and control costs, support pricing decisions, and improve profitability.Manage multiple cost accounting projects and analyses simultaneously while meeting deadlines and maintaining high standards of accuracy.Essential SkillsBachelor’s degree in Accounting, Finance, or a related field.Minimum of 5–7 years of experience in cost accounting, ideally within a manufacturing environment.Strong understanding of standard costing, inventory accounting, and manufacturing cost flows, including WIP and cost of goods sold (COGS).Hands‑on experience with manufacturing cost accounting, including labor, overhead, and material costing.Proficiency with ERP systems (Epicor or similar preferred) for cost accounting and inventory management.Advanced Microsoft Excel skills, including pivot tables, VLOOKUP, and related analytical functions.Demonstrated experience performing variance analysis, including labor variance, overhead variance, material variance, absorption costing, and purchase price variance (PPV).Experience with inventory accounting processes, including cycle counts, physical inventory, and inventory reconciliation.Strong analytical skills with high attention to detail and accuracy in financial data.Ability to work independently, prioritize tasks effectively, and meet tight deadlines.Excellent communication and interpersonal skills, with the ability to collaborate across departments such as Finance, Operations, Engineering, Production, and Procurement.Additional Skills & QualificationsCPA or CMA certification preferred.Experience with multi‑company or international cost structures, including eliminations and consolidations.Prior experience analyzing BOMs, Engineering Change Orders (ECOs), MRB inventory, scrap, and PPV in a manufacturing setting.Familiarity with microelectronics, precision manufacturing, or high‑mix, low‑volume manufacturing environments.Experience supporting internal and external audits and providing detailed cost documentation.Proficiency with advanced Excel features such as Power Query for data transformation and reporting automation.Proven ability to identify process improvement opportunities and implement best practices in cost accounting and inventory control.Strong problem‑solving skills and a continuous improvement mindset focused on cost optimization and margin enhancement.Work Environment

The role operates within a dynamic manufacturing environment that supports high‑mix, low‑volume production for advanced applications in sectors such as aerospace, telecommunications, and medical devices. You will work closely with cross‑functional teams in Finance, Operations, Engineering, Production, and Procurement, using an ERP system (such as Epicor) and advanced Excel tools to analyze and report cost and inventory data. The organization fosters a collaborative, innovation‑driven culture where data‑driven decision‑making and continuous improvement are highly valued. The position typically follows standard business hours, with additional time as needed during month‑end close, budgeting cycles, and audit periods. The environment combines office‑based analytical work with regular interaction with manufacturing and operations teams to understand processes, validate cost drivers, and support accurate inventory and cost reporting.

Job Type & Location

This is a Permanent position based out of Carlsbad, CA.

Pay and Benefits

The pay range for this position is $95000.00 - $120000.00/yr.

Our client is a leading manufacturer in their industry driving innovation across a wide range of industries, including aerospace, telecommunications, and medical devices. With a global presence, the organization is dedicated to delivering cutting-edge technological advancements and fostering a collaborative work environment.

Workplace Type

This is a fully onsite position in Carlsbad,CA.

Application Deadline

This position is anticipated to close on May 15, 2026.

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\n\nAbout Aston Carter:\n

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® double diamond winner for both client and talent service.

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The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

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If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.

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