Proponent

Maintenance and Automation Technician

3–5+ years maintaining automated packaging machinery; strong mechanical and electronics skills; PLC/HMI knowledge; able to troubleshoot electromechanical systems; good communication and safety awareness.

OEM Inspector

Inspector

High school diploma; 1-5 years quality inspection; data entry; ERP proficiency; basic measurement skills.

Product Line Manager

Bachelor’s degree in Business or related field; 7+ years aerospace experience; English and Japanese preferred; strong financial/analytical skills; pricing/product portfolio experience.

Product Operations Analyst

Bachelor’s degree or equivalent; 3-4 years in business analytics or data science; market research; advanced MS Office (Access/Excel); strong math; Japanese a plus.

Portfolio Optimization Business Analyst

Bachelor's degree or equivalent; 3-4 years in business analytics or data science; Excel and Power BI; data interpretation; market research; advanced math.

Customer Relationship Manager

English proficiency, ERP software experience, strong communication, relationship building, team player, time management.

English communication, ERP proficiency, customer service, teamwork, time management, and professional conduct.

English communication, ERP proficiency, customer service experience, team player, organized, time management.

Software Developer

Bachelor’s degree or equivalent; 3+ years software development; OpenEdge ABL a major plus; ERP/CRM experience; strong problem-solving and communication.

Title	Location	Date
Maintenance and Automation Technician Full Time · $67K-$75K/yr · 3+ YOE Brea, California, United States · Onsite	Brea, California, United States Onsite	Apr 29, 2026
OEM Inspector Full Time · $46K-$52K/yr · 1+ YOE Brea, California, United States · Onsite	Brea, California, United States Onsite	Apr 29, 2026
Product Line Manager Full Time · $90K-$110K · 7+ YOE Brea, California, United States · Onsite	Brea, California, United States Onsite	Apr 24, 2026
Product Operations Analyst Full Time · $85K-$100K · 3+ YOE Brea, California, United States · Hybrid	Brea, California, United States Hybrid	Apr 15, 2026
Portfolio Optimization Business Analyst Full Time · $75K-$95K · 3+ YOE Centerbrook, Connecticut, United States · Hybrid	Centerbrook, Connecticut, United States Hybrid	Apr 7, 2026
Customer Relationship Manager Full Time Madrid, Madrid, Spain · Onsite	Madrid, Madrid, Spain Onsite	Mar 30, 2026
Customer Relationship Manager Full Time Bordon, Hampshire, United Kingdom · Onsite	Bordon, Hampshire, United Kingdom Onsite	Mar 27, 2026
Customer Relationship Manager Full Time Alphen aan den Rijn, /, Netherlands · Onsite	Alphen aan den Rijn, /, Netherlands Onsite	Mar 26, 2026
Software Developer Full Time · $115K-$130K · 3+ YOE Brea, California, United States · Hybrid	Brea, California, United States Hybrid	Mar 23, 2026

Activities	Aircraft parts distributionAviation supply chain managementAerospace component manufacturingInventory management softwareMaintenance support services
Headquarters	US
Industries	Aerospace & Defense
Name	Proponent
Employees	600
Type	Private
Subsidiaries	Proponent ManufacturingAvioparts
Tagline	Distributes aircraft parts and provides aviation supply chain solutions.
Founded	1,972
Website	proponent.com

Proponent

About Proponent