Plant Controller - Manufacturing - Hampton, NH

Lead finance for a complex manufacturing site where your insights will directly influence operational and commercial outcomes. An excellent opportunity for a hands-on leader looking for impact, visibility, and growth with a growing, highly engineered manufacturing business serving regulated and mission-critical end markets. Backed by significant investment and operating from a well-established site, the organization combines stability with the pace and opportunity of a growth-focused environment. The role is based in Hampton, NH and offers significant visibility with senior executives and key decision-makers.

About the role

Reporting to senior finance leadership, the Plant Controller will serve as the lead finance partner for a manufacturing site generating $100M+ in annual revenue. The successful candidate will own site-level financial reporting, drive operational performance, and provide commercial insight to support continued growth.

Responsibilities

• Lead all site financial activities including month-end close, forecasting, budgeting, and financial reporting.
• Provide insightful analysis of operational and financial performance, including variance analysis and management commentary.
• Partner with manufacturing, operations, programme management, and site leadership teams to improve profitability and operational efficiency.
• Oversee cost accounting activities including standard costing, manufacturing variances, inventory accounting, cost roll-ups, and productivity analysis.
• Develop and enhance reporting around work-in-progress (WIP), percentage-of-completion accounting, and contract profitability.
• Support inventory management initiatives, including analysis of purchase price variance (PPV) and manufacturing performance metrics.
• Drive process improvements that strengthen financial controls, reporting accuracy, and decision-making.
• Lead site budgeting and capital expenditure planning activities.
• Ensure compliance with GAAP, internal controls, and corporate financial policies.
• Support external audits and regulatory reviews as required.
• Provide leadership and mentorship across the broader site finance function while partnering with accounting and shared services teams.

Requirements

• Bachelor's degree in Accounting, Finance, or a related discipline.
• Strong background in manufacturing-related accounting.
• Strong cost-accounting experience (non-negotiable).
• Experience supporting standard costing environments and analyzing manufacturing variances.
• Understanding of WIP reporting, percentage-of-completion accounting methodologies.
• Advanced Microsoft Excel skills with the ability to analyze complex operational and financial data.
• Proven ability to influence senior leaders and communicate financial information to non-finance audiences.
• Strong commercial mindset with a track record of driving performance improvements.

Benefits

• Base salary range of $180,000 to $190,000, dependent upon experience.
• 20% annual bonus (performance-related).
• Competitive benefits package.
• Competitive PTO.

Schedule

9/80 schedule, allowing for an additional 26 days off per year (every other Friday).