Senior Cost Accounting Analyst - Supply Chain

About this role

Requirements

• 3+ years of experience in cost accounting, manufacturing finance, or supply chain finance — or equivalent relevant experience in a high-growth or operationally complex environment.
• Bachelor's degree in Accounting, Finance, or related field preferred; CPA or CMA in progress or completed is a plus.
• Strong understanding of inventory accounting, standard costing, and variance analysis in a manufacturing environment.
• Experience with ERP systems and month-end close processes, including journal entries and account reconciliations.
• Ability to analyze complex data, identify root causes of variances, and communicate findings clearly to business partners and leadership.
• Proven ability to partner cross-functionally with FP&A, Supply Chain, and Operations teams.
• Detail-oriented with a focus on GAAP compliance, internal controls, and audit readiness.
• Proactive mindset with a drive to identify and implement process improvements in a scaling organization.

Responsibilities

• Own month-end close for cost accounting — prepare and post journal entries including accruals, reserves, reclassifications, and allocations across multiple business segments and legal entities.
• Lead inventory reserve management — review and maintain excess and obsolescence reserves, produce reserve summary reports, and support inventory reconciliation activities.
• Drive cost variance analysis — monitor and analyze purchase price, production, and quantity variances; identify root causes; and communicate findings clearly to business partners and leadership.
• Support standard cost processes — assist with standard cost uploads in the ERP system, including monthly bill-of-materials (BOM) reviews, new SKU setups, and ongoing variance monitoring.
• Prepare management reporting packages — collect and analyze cost data to support business decision-making; prepare periodic cost variance reports comparing standard to actual costs across global manufacturing operations.
• Ensure GAAP compliance and audit readiness — perform account reconciliations, document cost accounting processes and journal entries in adherence to internal controls, and support SOX testing and annual physical inventory count activities.
• Collaborate cross-functionally — partner with FP&A, Global Supply Chain Controllership, and Operations to explain budget-to-actual variances and serve as a trusted resource on cost accounting treatment and inventory transactions.
• Contribute to process improvement — proactively identify opportunities to streamline close processes, improve reporting accuracy, and build scalable cost accounting infrastructure.

Benefits

• Hybrid work model — 4 days per week in Boston, MA, with flexibility for remote work.
• High-visibility role with direct impact on global manufacturing operations and cost strategy.
• Opportunity to work on a mission-driven team focused on protecting life through innovative safety and justice technology.
• Fast-paced, challenging, and meaningful work environment where you can take ownership and drive real change.
• Support for professional growth, including CPA/CMA completion and exposure to senior leadership.