Manufacturing Finance & Inventory Operations Manager

Shinkei; El Segundo (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Shinkei is seeking a Manufacturing Finance & Inventory Operations Manager in El Segundo, California. This role acts as a bridge between finance and operations, ensuring accurate inventory management and financial controls.

The ideal candidate has over 5 years of experience in manufacturing finance, supply chain finance, and cost accounting. Strong knowledge of ERP systems like QuickBooks and advanced Excel skills are essential.

Qualifications

• 5+ years of experience in manufacturing finance, cost accounting, inventory accounting, or supply chain finance.
• Strong understanding of inventory accounting and standard costing.
• Experience with ERP systems and advanced Excel skills.

Responsibilities

• Own month-end inventory close processes and financial controls.
• Build and maintain standard costing methodologies.
• Develop reporting dashboards and support financial planning activities.

Skills

Manufacturing finance

Cost accounting

Inventory accounting

Supply chain finance

Operational finance roles

Experience with ERP systems

Advanced Excel

Tools

QuickBooks

NetSuite

SAP

Job description

We are seeking a Manufacturing Finance & Inventory Operations Manager to serve as the bridge between operations and finance.

This role will own the integrity of inventory transactions, operational financial controls, standard costing methodologies, and manufacturing variance analysis.

You will work cross-functionally with operations, logistics, procurement, and leadership to ensure our ERP and inventory systems accurately reflect the economics of the business.

This is a highly hands‑on role ideal for someone who has operated in manufacturing, food processing, protein, distribution, or industrial environments where inventory and operational accounting are deeply intertwined.

You will play a critical role in enabling scalable financial reporting, accurate gross margins, inventory visibility, and operational decision‑making.

Inventory & Operational Financial Controls

• Own month‑end inventory close processes across raw materials, WIP, and finished goods
• Ensure timely and accurate closure of purchase orders, receipts, inventory transfers, and sales orders
• Reconcile inventory movements, adjustments, yield loss, and scrap
• Partner with operations teams to improve ERP transaction discipline and inventory accuracy
• Maintain inventory subledger integrity and support reconciliation to the general ledger
• Review inventory discrepancies, negative inventory balances, and operational exceptions
• Support implementation and optimization of ERP workflows and inventory controls

Cost Accounting & Manufacturing Finance

• Build and maintain standard costing methodologies for raw materials, packaging, labor, freight, processing, and cold storage
• Develop and maintain product‑level and batch‑level COGS models
• Create labor, freight, and materials standards and perform variance analysis against actuals
• Analyze purchase price variances, manufacturing variances, and gross margin drivers
• Support pricing decisions and operational improvement initiatives through financial analysis
• Partner with operations to improve yields, throughput, and cost efficiency

Reporting & Cross‑Functional Support

• Build operational finance KPIs and reporting dashboards
• Support forecasting, budgeting, and financial planning activities
• Assist with audit readiness, inventory procedures, and investor reporting
• Collaborate with leadership on scaling operational and financial infrastructure

Qualifications

• 5+ years of experience in:
  • manufacturing finance
  • cost accounting
  • inventory accounting
  • supply chain finance
  • or operational finance roles
• Experience working in manufacturing, food processing, protein, CPG, industrial, logistics, or distribution environments
• Strong understanding of inventory accounting, standard costing, variance analysis, operational financial controls
• Experience with ERP systems such as QuickBooks, NetSuite, SAP or similar
• Advanced Excel and financial modeling capabilities
• Ability to work cross‑functionally with operations and leadership teams
• Comfortable operating in fast‑paced startup or scaling operational environments

Preferred Qualifications

• Experience in seafood, food manufacturing, protein processing, or cold‑chain logistics
• Experience implementing or scaling ERP and inventory systems
• Experience with outsourced manufacturing or co‑manufacturing environments
• CPA, CMA, or relevant accounting/finance certifications