Assistant Controller – Multi-Site Manufacturing

Poly6; Burlington (MA); On-site; USD 85,000 - 125,000; Full time

Job summary

Poly6, a Massachusetts-based manufacturing company spun out of MIT, seeks an Assistant Controller to oversee accounting across dual sites and drive GAAP-compliant reporting. You will lead close processes, KPIs, budgeting, and the Oracle Fusion rollout, partnering with the GM/Finance to improve financial visibility.

This role develops into Controller leadership, requires 5+ years in manufacturing accounting, multi-site experience, and strong internal controls.

Qualifications

• U.S. person per ITAR compliance.
• Bachelor's degree in Accounting/Finance required; CPA preferred.
• 5+ years in manufacturing accounting; multi-site a plus.
• Strong GAAP, internal controls, and audit readiness.
• Ability to produce KPI reporting and variance explanations.

Responsibilities

• Lead monthly, quarterly, and annual close ensuring GAAP-compliant results.
• Prepare journal entries, reconciliations, accruals, and variance analyses.
• Support KPI development and dashboard reporting for BU reviews.
• Partner with site leaders to validate KPIs and provide actionable insights.
• Strengthen internal controls and support audits and costing standards.
• Drive Oracle Fusion rollout, data validation, and user support.
• Identify automation and process improvements for reporting quality.
• Support annual planning, budgeting, forecasting, and capex analysis.
• Monitor inventory, WIP, material usage, scrap, and labor variances with standard costs.
• Maintain ERP data integrity including BOM, routings, and labor reporting.
• Review production variance and coordinate with production/planning to close gaps.
• Assist cycle counts, inventory reconciliations, and physical inventory.
• Analyze COGS, production KPIs, yield, and cost trends for GM reporting.
• Investigate ERP/discrepancies impacting WIP and inventory valuation.
• Support system enhancements and cross-site ERP best practices.
• Coordinate cross-site alignment on production accounting standards.
• Travel up to 15-20% for close, reviews, audits, and system projects.
• Follow PPE and champion safety culture.

Skills

US person compliance

GAAP knowledge

Internal controls

Variance analysis

Education

Bachelor’s degree in Accounting/Finance

CPA or equivalent

Tools

Oracle Fusion

ERP systems

Job description

Poly6, a Massachusetts-based manufacturing company spun out of MIT, seeks an Assistant Controller to oversee accounting across dual sites and drive GAAP-compliant reporting. You will lead close processes, KPIs, budgeting, and the Oracle Fusion rollout, partnering with the GM/Finance to improve financial visibility.

This role develops into Controller leadership, requires 5+ years in manufacturing accounting, multi-site experience, and strong internal controls.