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Continuous Improvement Engineer

Proponent and Careers
Brea, CA Full Time
POSTED ON 3/31/2026
AVAILABLE BEFORE 5/17/2026

About Proponent:

Proponent is the world’s largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in helping keep thousands of aircraft flying safely and efficiently every day. For over 50 years, we’ve built the systems, relationships, and expertise that aviation relies on, from responsive quoting and on-time shipments to data-driven improvements that reduce turnaround time and cost. As a 100% employee-owned company, everyone at Proponent is an owner, which means we share responsibility for our success, look out for one another, and bring dedication and creativity to aviation logistics. Guided by our core values, empathy, intelligence, agility and integrity, we work as a trusted partner to keep aircraft in service and customers moving forward. At Proponent, you’ll join a global team committed to doing things right and supporting each other, helping keep aircraft flying and the world connected.

Continuous Improvement Engineer

Job Location: Brea, CA

Job Summary:

The Continuous Improvement Engineer supports the global implementation of continuous improvement in the California, Singapore and Amsterdam warehouses. S/he utilizes lean engineering methodologies, tools, root cause analysis and waste reduction with a bias for action, and interfaces with employees at all levels and various functions across the business. S/he collaborates to refine, prioritize, and assist in implementation of both warehouses associate generated ideas and independently identified process improvements. S/he drives process improvement activities to achieve dramatic improvement in the key business metrics and provides regular reports of data and actions to measure progress against the site objectives.

In this role, your primary responsibilities are (but not limited to):

  • Lead Global Continuous Improvement Initiatives
  • Utilize lean engineering principles, root cause analysis, and waste reduction techniques to optimize operational processes.
  • Partner with employees at all organizational levels and departments to identify and implement process improvements.
  • Facilitate Idea Generation and Execution
  • Drive Key Business Metric Improvements
  • Prepare and deliver regular reports detailing data, actions taken, and progress toward site objectives

Requirements for Success:

  • Bachelor’s Degree Required
  • Industrial Engineering Degree (Preferred)
  • 3-5 Years of Related Work Experience in Business Analytics or Data Science
  • Six Sigma (Blackbelt Preferred)
  • Advanced MS Office, including Reporting & Analytical Functions of Access and Excel
  • SQL or Automation Analysis
  • Advanced Math Skills & Statistical Analysis

Benefits and Perks of joining the team:

  • Medical, Dental, and Vision plan options
  • Employee Stock Ownership Plan
  • 401k Plan
  • Vacation, Sick, and Holidays
  • Good work-life balance
  • WFH Hybrid available for most positions

Salary : $70,000 - $90,000

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