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Jobs/Adhesives/sealants/Sr. Supplier Quality Engineer
PR
Sr. Supplier Quality Engineer
Proterra
Apply
Apply
Seniority Senior
Work On-site
Type Full-time
Degree BS
Experience 5 yrs
Industry Energy
Role Quality / Testing
Materials
adhesives226injection-molded housingscastings4stampingsmachined components
Techniques
PPAP50APQP37FMEA111SPC1988D35MSA19Gage R&R17
Role details
Proterra offers a dynamic and supportive workplace where our employees can thrive personally and professionally. With cutting-edge facilities and groundbreaking projects, Proterra offers unique opportunities to grow, collaborate, and lead transformative changes in the electrification of heavy-duty transportation and equipment.
Our commitment to innovation extends beyond our battery solutions to our people, where we create an environment where everyone feels valued, supported, and empowered to drive change for the earth. Here at Proterra we strive to foster a culture of inclusivity, valuing diverse perspectives and encouraging bold ideas, allowing our employees to bring their full selves to work. Our employees benefit from competitive total rewards packages, and opportunities to develop professionally.
Position Overview
The Senior Supplier Quality Engineer is a critical leadership role responsible for ensuring the quality, reliability, and continuous improvement of the supplier base supporting EV battery module production. This individual will own supplier development strategy, drive resolution of complex quality issues, and serve as the primary technical interface between Proterra Powered and its manufacturing partners across busbars, castings, adhesives, stampings/forming, machined components, injection-molded housings, and related module commodities.
About The Role – You Will
Proterra’s battery technology offers industry-leading energy density, safety systems, and durability. Proudly designed in Silicon Valley and assembled in Greer, South Carolina, Proterra® batteries are the premier choice to electrify commercial vehicles ranging from buses and trucks to construction equipment and more. Proterra is building innovative battery technology to power a better, more sustainable world.
Location
Onsite role in Greer, SC
Travel
up to 30% Travel Domestic and International
Proterra is an Equal Employment Opportunity Employer, providing equal employment opportunities to all Employees and applicants for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, disability, age, genetic information, veteran status, pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation or any other characteristic protected by applicable federal, state, or local law or ordinance. Proterra participates in the Electronic Employment Verification Program (E-Verify).
Proterra is an Equal Employment Opportunity Employer, providing equal employment opportunities to all Employees and applicants for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, disability, age, genetic information, veteran status, pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation or any other characteristic protected by applicable federal, state, or local law or ordinance. Proterra participates in the Electronic Employment Verification Program (E-Verify).
Please copy and paste this link into your browser for e-verification: http://www.uscis.gov/portal/site/uscis/menuitem.eb1d4c2a3e5b9ac89243c6a7543f6d1a/?vgnextoid=d6f988e60a405110VgnVCM1000004718190aRCRD&vgnextchannel=d6f988e60a405110VgnVCM1000004718190aRCRD
Connected
All roles at ProterraMore Quality / Testing rolesRoles using PPAPAdhesives/sealants,Thermoplastics,Composites roles
Related roles
Where is the Sr. Supplier Quality Engineer role at Proterra based?
This role is based in Greer, SC.
What degree is required for the Sr. Supplier Quality Engineer role at Proterra?
This role requires a BS.
How many years of experience does this Sr. Supplier Quality Engineer role require?
The posting calls for at least 5 years of relevant experience.
What polymers or materials does this Sr. Supplier Quality Engineer role work with?
adhesives, injection-molded housings, castings, stampings, machined components.
What techniques or methods are required for this Sr. Supplier Quality Engineer role?
PPAP, APQP, FMEA, SPC, 8D.
Jobs/Adhesives/sealants/Sr. Supplier Quality Engineer
PR
Sr. Supplier Quality Engineer
Proterra
- Greer, SCtodayverified 2 h ago
Apply
Apply
Seniority Senior
Work On-site
Type Full-time
Degree BS
Experience 5 yrs
Industry Energy
Role Quality / Testing
Materials
adhesives226injection-molded housingscastings4stampingsmachined components
Techniques
PPAP50APQP37FMEA111SPC1988D35MSA19Gage R&R17
Role details
Proterra offers a dynamic and supportive workplace where our employees can thrive personally and professionally. With cutting-edge facilities and groundbreaking projects, Proterra offers unique opportunities to grow, collaborate, and lead transformative changes in the electrification of heavy-duty transportation and equipment.
Our commitment to innovation extends beyond our battery solutions to our people, where we create an environment where everyone feels valued, supported, and empowered to drive change for the earth. Here at Proterra we strive to foster a culture of inclusivity, valuing diverse perspectives and encouraging bold ideas, allowing our employees to bring their full selves to work. Our employees benefit from competitive total rewards packages, and opportunities to develop professionally.
Position Overview
The Senior Supplier Quality Engineer is a critical leadership role responsible for ensuring the quality, reliability, and continuous improvement of the supplier base supporting EV battery module production. This individual will own supplier development strategy, drive resolution of complex quality issues, and serve as the primary technical interface between Proterra Powered and its manufacturing partners across busbars, castings, adhesives, stampings/forming, machined components, injection-molded housings, and related module commodities.
About The Role – You Will
- Develop and execute a comprehensive supplier development strategy aligned with organizational production, quality, and cost objectives, with emphasis on module line suppliers.
- Identify capability gaps in the supplier base and implement structured improvement programs using APQP, PPAP, and 8D methodologies.
- Lead supplier segmentation and tiering efforts; establish long-term development roadmaps for strategic suppliers.
- Collaborate cross-functionally with Engineering, Procurement, and Operations to align supplier readiness with new product introduction and ramp timelines.
- Support IATF 16949 and ISO 9001 compliance initiatives across the supplier base.
- Establish and enforce supplier quality performance standards including PPM targets, PPAP submission timelines, and corrective action response requirements.
- Conduct regular supplier performance reviews using scorecards; track KPIs including NCR counts, audit findings, and warranty claims.
- Lead supplier quality audits (process, system, and layered) at manufacturing sites; manage findings through closure.
- Drive escalation and containment for critical supplier quality events impacting module line production.
- Manage full PPAP lifecycle inclusive of reviewing and approving control plans, FMEAs, MSAs, dimensional reports, etc.
- Lead root cause investigation and corrective action processes (8D/NCR) for supplier-attributed defects; verify effectiveness of implemented corrective actions.
- Maintain accurate supplier quality records within quality management systems.
- Apply advanced statistical methods (SPC, Cpk/Ppk, MSA) to evaluate supplier process capability and drive data-driven decision-making.
- Interpret GD&T per ASME Y14.5-2018 and assess supplier measurement system adequacy for complex geometries.
- Evaluate supplier manufacturing processes across relevant commodity technologies: busbars, die castings, structural adhesives, metal stampings and formed components, machined parts, and injection-molded housings.
- Other tasks assigned by management
- Bachelor’s degree in Mechanical Engineering, Materials Science, Manufacturing Engineering, Industrial Engineering or a related technical discipline.
- Minimum 5 years of progressive supplier quality engineering (or related engineering field) experience in a manufacturing environment; automotive, aerospace, medical, EV, or battery industries strongly preferred.
- Demonstrated expertise in PPAP, APQP, FMEA, SPC, MSA/Gage R&R, and 8D corrective action methodologies.
- Proficiency in GD&T interpretation per ASME Y14.5-2018.
- Experience conducting supplier audits and managing corrective action systems.
- Knowledge of IATF 16949 or ISO 9001 quality management systems.
- Ability to travel domestically and internationally up to 30% to support supplier visits, audits, and quality investigations.
- Proficient in using CAD modeling software such as SolidWorks, CATIA, Siemens NX, Onshape, Autodesk Inventor or others.
- Excellent written and verbal communication skills with ability to influence supplier technical teams and cross-functional stakeholders.
- Experience with module line commodity suppliers across busbars, castings, adhesives, stampings/forming, machining, and injection molding; EV battery module manufacturing environment preferred.
- Experience with data management and visualization platforms such as Smartsheet, Tableau, PowerBI, or equivalent
- ASQ Certified Quality Engineer (CQE) or Six Sigma Green/Black Belt certification.
- Proficiency in data analytics tools to support quality data analysis such as Minitab.
- Ability to stand, walk, and inspect tooling and components on a production floor for extended periods.
- Valid driver’s license and passport required for domestic and international supplier travel.
Proterra’s battery technology offers industry-leading energy density, safety systems, and durability. Proudly designed in Silicon Valley and assembled in Greer, South Carolina, Proterra® batteries are the premier choice to electrify commercial vehicles ranging from buses and trucks to construction equipment and more. Proterra is building innovative battery technology to power a better, more sustainable world.
Location
Onsite role in Greer, SC
Travel
up to 30% Travel Domestic and International
Proterra is an Equal Employment Opportunity Employer, providing equal employment opportunities to all Employees and applicants for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, disability, age, genetic information, veteran status, pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation or any other characteristic protected by applicable federal, state, or local law or ordinance. Proterra participates in the Electronic Employment Verification Program (E-Verify).
Proterra is an Equal Employment Opportunity Employer, providing equal employment opportunities to all Employees and applicants for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, disability, age, genetic information, veteran status, pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation or any other characteristic protected by applicable federal, state, or local law or ordinance. Proterra participates in the Electronic Employment Verification Program (E-Verify).
Please copy and paste this link into your browser for e-verification: http://www.uscis.gov/portal/site/uscis/menuitem.eb1d4c2a3e5b9ac89243c6a7543f6d1a/?vgnextoid=d6f988e60a405110VgnVCM1000004718190aRCRD&vgnextchannel=d6f988e60a405110VgnVCM1000004718190aRCRD
Connected
All roles at ProterraMore Quality / Testing rolesRoles using PPAPAdhesives/sealants,Thermoplastics,Composites roles
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Where is the Sr. Supplier Quality Engineer role at Proterra based?
This role is based in Greer, SC.
What degree is required for the Sr. Supplier Quality Engineer role at Proterra?
This role requires a BS.
How many years of experience does this Sr. Supplier Quality Engineer role require?
The posting calls for at least 5 years of relevant experience.
What polymers or materials does this Sr. Supplier Quality Engineer role work with?
adhesives, injection-molded housings, castings, stampings, machined components.
What techniques or methods are required for this Sr. Supplier Quality Engineer role?
PPAP, APQP, FMEA, SPC, 8D.
Salary : $80,000 - $140,000