Inventory & Material Accountant - Millennium Space Systems

Posted:
1/14/2026, 7:58:46 AM

Location(s):
California, United States ⋅ El Segundo, California, United States

Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior

Field(s):
Accounting

Workplace Type:
On-site

Inventory & Material Accountant - Millennium Space Systems

Company:

Millennium Space Systems

Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS) is seeking a motivated and detail-oriented Inventory & Material Accountant. Responsibilities include leading inventory & material accounting processes, as well as reporting of company-owned materials and inventory. This role ensures accurate tracking, valuation, and reconciliation of raw materials, parts, and supplies used for production, research, and strategic purposes. The position requires strong analytical skills, attention to detail, and knowledge of Generally Accepted Accounting Principles (GAAP), Cost Accounting Standards (CAS), and inventory management practices. This is an onsite role in El Segundo, California.

Position Responsibilities:

  • Accounting for purchases, receipts, transfers, and consumption of materials and company-owned inventory
  • Performs month-end close procedures to ensure inventory balances are calculated correctly. Reviews and posts journal entries for inventory movements into the General Ledge
  • Ensures company costing methods (FIFO, LIFO, weighted average) are accurately applied to arrive inventory value
  • Calculates reserves for E&O (excess & obsolete) and slow-moving inventory
  • Performs inventory & material analyses required by GAAP, CAS, FAR, or other authoritative and regulatory bodies, such as Lower of Cost or Market Analysis, Purchase Price Variance, Scrap, inventory reserves, etc.  
  • Performs monthly reconciliations between inventory subledger and general ledger. Investigates discrepancies from cycle counts, scrapping, or lost inventory. Manage company-owned inventory accounts, cost of goods sold (COGS) accounts, and other inventory related balance sheet accounts
  • Analyzes manufacturing variances (PPV, labor, overhead absorption, scrap) and recommend corrective actions
  • Develops and maintain standard costing methodologies
  • Ensures compliance with Boeing accounting policies and internal controls
  • Partners with corporate audit team to resolve control deficiencies and support compliance efforts. Maintain and enforce corporate financial policies and procedures
  • Supports government audits
  • Collaborate with cross-functional teams to improve data accuracy and streamline inventory and material processes
  • Coordinate with cross-functional teams for consistent KPI tracking and reporting
  • Lead financial discussions in operations reviews and deliver actionable insights
  • Participates in special projects focused on process improvement, system automation, and policy development

Basic Qualifications (Required Skills/Experience):

  • Bachelor’s degree in Finance, Accounting, or related field (CMA, CPA, or MBA preferred)
  • Minimum 10+ years of material and inventory accounting experience in a manufacturing environment or similar
  • Strong knowledge of material accounting, inventory accounting, cost accounting, and financial reporting
  • Deltek Costpoint or similar ERP systems
  • Proven ability to partner cross-functionally and influence operational outcomes
  • Ability to analyze data, identify problems, and develop effective solutions
  • This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Security Clearance Post-Start is required

Preferred Qualifications (Desired Skills/Experience):

  • Experience in aerospace and defense or other government contractors desired
  • Extensive experience with Costpoint, including a deep understanding of advanced functionalities and best practices in the Accounting and Materials domains 

Conflict of Interest:

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Drug Free Workplace:

Millennium Space Systems, A Boeing Company is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

Pay & Benefits:

Millennium Space Systems, A Boeing Company, offers a very competitive benefits package to include medical, dental, vision, and 401k plan.

  • Level 4: $102,000 - $150,000

Language Requirements:

Not Applicable

Education:

Not Applicable

Relocation:

Relocation assistance is not a negotiable benefit for this position.

Export Control Requirement:

This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Safety Sensitive:

This is not a Safety Sensitive Position.

Security Clearance:

This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.

Visa Sponsorship:

Employer will not sponsor applicants for employment visa status.

Contingent Upon Award Program

This position is not contingent upon program award

Shift:

Shift 1 (United States of America)

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