Plant Controller (3992)

Mevion Medical Systems, Inc; Littleton (MA); On-site; USD 150,000 - 160,000; Full time

Job summary

Mevion Medical Systems, Inc. in Littleton, MA is seeking a Plant Controller to lead accounting operations, cost accounting, and manufacturing cost analysis.

You will oversee close processes, strengthen internal controls, and partner with Operations, Supply Chain and Engineering to improve margins and inventory performance. The role requires hands-on leadership, manufacturing accounting experience, knowledge of GAAP, and the ability to drive process improvements with a focus on product costing

Qualifications

• Bachelor's degree in Finance, Accounting or Business Administration required.
• 7+ years of experience in Finance/Accounting.
• 5+ years cost accounting experience in a manufacturing environment.
• Strong analytical, written and verbal communication skills.
• Experience with GAAP and close processes; familiarity with medical device manufacturing is a plus.

Responsibilities

• Lead accounting staff and mentor team to ensure accuracy and compliance.
• Own and manage cost accounting, standard costing and inventory valuation.
• Oversee monthly, quarterly, and annual close processes per US GAAP.
• Provide actionable insights into product margins and manufacturing costs.
• Develop and improve internal controls and financial reporting processes.
• Partner with Operations, Supply Chain, Manufacturing, Engineering and Leadership to drive cost reduction and profitability.

Skills

Cost accounting

Manufacturing accounting

GAAP knowledge

Financial analysis

Leadership

Education

Bachelor's degree in Finance/Accounting/Business Administration

CPA preferred or equivalent experience

Tools

AI tools usage

Job description

# Plant Controller (3992)Hot JobLittleton, Ma Corporate Office - Littleton, MA 01460## OverviewSalary Range$150,000.00 - $160,000.00 SalaryPosition TypeFull TimeCategoryFinance## Description**Position Summary:**The Plant Controller is responsible for leading the company’s accounting operations, financial reporting, internal controls, cost accounting, manufacturing accounting, and technical accounting functions. This role will oversee the monthly, quarterly, and annual close processes, ensure accurate financial statements in accordance with U.S. GAAP, and serve as a key business partner to Operations, Supply Chain, Manufacturing, Engineering, and Executive Leadership.This position requires a hands-on finance leader with strong manufacturing and inventory accounting experience, including standard costing, overhead absorption, material burden rates, inventory valuation, variance analysis, capital assets, revenue recognition, and technical accounting research. The Controller will play a critical role in improving financial processes, strengthening controls, supporting audits, and providing actionable insights into product margins, manufacturing costs, inventory performance, and operational profitability.**Essential Functions:*** Develop and maintain accounting policies and procedures to ensure consistency, compliance, and scalability.* Lead, mentor, and develop accounting staff, fostering accountability, accuracy, collaboration, and continuous improvement.* Own and manage the company’s cost accounting function, including standard costing, actual costing analysis, inventory valuation, product costing, and manufacturing variance analysis.* Maintain and review standard costs, labor rates, overhead rates, material burden rates, and manufacturing cost assumptions.* Analyze and report manufacturing variances, including purchase price variance, material usage variance, labor efficiency variance, overhead absorption, production volume variance, and inventory revaluation impacts.* Partner with Manufacturing, Operations, Supply Chain, Procurement, and Engineering to understand cost drivers, production performance, inventory movements, and margin trends.* Support product margin analysis, project profitability analysis, cost reduction initiatives, and operational KPI reporting.* Review inventory reserves, excess and obsolete inventory calculations, slow-moving inventory analysis, and lower-of-cost-or-market considerations.* Ensure accurate accounting for raw materials, work-in-process, finished goods, spare parts, service inventory, and project-based inventory, as applicable.* Support periodic cycle counts, annual physical inventories, and reconciliation of inventory discrepancies.* Coordinate with operations teams to improve inventory accuracy, transaction discipline, and cost reporting.* Develop reporting that provides visibility into manufacturing costs, absorption, inventory turns, gross margin, and operational performance.* Serve as a technical accounting resource for complex accounting matters, including revenue recognition, inventory accounting, leases, capitalized costs, impairments, consolidation, foreign currency, and other applicable accounting areas.* Establish, maintain, and improve internal controls over financial reporting, accounting operations, inventory, cost accounting, cash, fixed assets, revenue recognition, and financial systems.* Review intercompany transactions and monthly intercompany reconciliations.* Ensure proper accounting for foreign currency transactions, translation adjustments, and intercompany balances.* Maintain fixed asset and intangible asset schedules, including additions, disposals, depreciation, amortization, and roll forward files.**Education, Training, and Experience:*** BS in Finance, Accounting or Business Administration required; CPA preferred or equivalent working experience.* Minimum of 7 years of experience in Finance/Accounting* 5+ years cost accounting experience in a manufacturing environment. Preferably Medical Device manufacturing industry* Strong business acumen, interpersonal, communication and negotiation skills* Proven experience and ability to use AI tools to improve processes and production.* Motivated self-starter who can effectively work under pressure and manage multiple priorities* Team player who manages collaboratively with the ability to influence management, in some cases without authority* Exhibits strong analytical, written and verbal communication skills* Medical device manufacturing, aerospace or Heavy Equipment industry experience preferred**Physical and Environmental Considerations:*** Must be able to sit/stand for long periods of time.* Required use of standard office equipment including laptop, phone, copier, etc.* Typical office environment.* Must be able to walk through the factory environment safely.*The hiring range represents what Mevion Medical Systems, Inc. reasonably expects to pay for this position at the time of posting. The actual salary offered will depend on the selected candidate’s qualifications, experience, skills, and other job-related factors.*