Sr. Cost Accountant

San Carlos, CA$111k–$162kPosted Jan 9, 2026
Sr. Cost Accountant LocationSan CarlosEmployment TypeFull timeLocation TypeOn-siteDepartmentFinanceCompensation$111K – $162K • Offers EquityThe hiring pay range for this position is based on skills, education and experience relevant to the role; title may be assessed one level lower or higher, accordingly. Other components of total compensation include a competitive options grant at the time of hire (with potential for additional grants).Benefits include medical, vision, and dental insurance, group and supplemental life insurance, 401k retirement plan, responsible (unlimited) paid time off, parental leave, and more.At Nautilus, we have a big and important mission: improve the health of millions by unleashing the potential of the proteome to accelerate drug development and enable a new world of precision and personalized medicine. We are developing a single-molecule protein analysis platform of unprecedented sensitivity, scale, and ease of use that we believe will democratize access to the proteome – one of the most dynamic and valuable sources of biological insight. To accomplish this, we are pursuing deep, hard science with an entrepreneurial mindset and creating a world-class team of builders, innovators, and dreamers across a wide range of disciplines.We are seeking an exceptional individual to join our growing team in our dynamic, early-stage biotech company. The Sr. Cost Accountant is responsible for creating and maintaining accurate process cost information, comparing standard costs to actual costs, managing perpetual inventory system, and owning the month-end close and budgeting process for inventory/cost. Additionally, they will develop and maintain a cost accounting system to reduce costs and improve profitability. This role requires an experienced professional in manufacturing and cost accounting to collaborate with various departments such as procurement, production, inventory control, and IT to establish best-in-class manufacturing cost accounting, reporting, and operational practices. The role requires strong technical depth, independent judgment, and the ability to influence cross-functional partners through expertiseThis position will report to the Corporate Controller.ResponsibilitiesOversee and assist with execution of the daily operations of inventory and COGS accounting transactions.Responsible for all aspects of standard cost rolls including component cost updates, overhead rates, bill of materials review, and routing maintenance (including labor costs and subcontract processing). This includes quarterly standard cost validations and revaluations.Perform month end accounting close and reporting duties (i.e., prepare journal entries and monthly Balance Sheet account reconciliations) specifically related to inventory. Ensure accurate inventory valuation on the balance sheet and establish required reserves. Prepares quarterly internal and external audit controls and backup.Perform analysis on spending and absorption, purchase price variance, work orders (production variances), inventory driven costs (Scrap, E&O, cycle count, etc.) for the monthly scorecard and plant (site) package. Work with Purchasing and Operations to investigate the variances.Develop and monitor the cycle count program, review adjustments, investigate root causes, and work with relevant functions to develop control plans.Business Partnering: Act as a trusted thought partner to manufacturing and operations leaders, providing financial perspective to support planning and decision-making.Collaborate with operations to convert demand forecasts into production plans, standard cost assumptions, and inventory targets, including analysis of variances versus actual results.Partner with operations and quality management to ensure inventory movement transactions are properly recorded.Maintain inventory / COGS related data and system attributes within NetSuite. Responsible for review of item records/maintenance by Operations.Identify and implement...

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