Supplier Quality Engineer

Yoh, A Day & Zimmermann Company; Irvine (CA); On-site; USD 110,000 - 128,000; Full time

Job summary

Yoh, a Day & Zimmermann company, seeks a Supplier Quality Engineer in Irvine, CA for a direct-hire, onsite role supporting aerospace and defense programs. You will partner with internal teams and suppliers to improve supplier quality and prevent production disruptions.

A bachelor’s degree in engineering and 10+ years in supplier quality are required, with expertise in 8D, APQP, PFMEA, Lean/Six Sigma, GD&T, and AS9100/AS9110. Travel up to 50% is expected.

Qualifications

• Bachelor’s degree in Engineering (Mechanical, Electrical, Industrial, or related).
• 10+ years in supplier quality, manufacturing, or related engineering.
• Expert in 8D, A3 problem solving, and corrective actions.
• Experience with PFMEA, control plans, DOE, Lean and Six Sigma.
• Ability to read drawings/schematics including GD&T.
• Familiarity with AS9100/AS9110/AS9120 standards and inspection.
• Proficient with Excel/Minitab for data analysis and reporting.
• ERP experience, preferably SAP.
• Knowledge of APQP and supplier quality planning.

Responsibilities

• Partner with internal teams and suppliers to improve supplier quality performance.
• Lead resolution of supplier-related nonconformances to prevent disruptions.
• Drive root cause investigations and corrective actions with timely closure.
• Review and approve supplier corrective actions based on impact.
• Identify supplier risks to quality and safety and escalate as needed.
• Support supplier development and continuous improvement initiatives.
• Act as technical expert for supplier quality issues and guidance.
• Analyze supplier performance data to drive improvements.
• Collaborate with engineering, operations, and supply chain on quality initiatives.
• Participate in audits and ensure supplier compliance with standards.

Skills

Root cause analysis

8D/A3 problem solving

Data analysis

GD&T interpretation

AS9100/AS9110/AS9120 knowledge

Quality auditing

Cross-functional leadership

Supplier development

ERP experience (SAP)

PFMEA/DOE/Control Plans

Lean Six Sigma

Excel/Minitab data tools

Education

Bachelor’s degree in Engineering

Tools

SAP

Minitab

Excel

DOE

Job description

Yoh has an exciting, contract opportunity for a Supplier Quality Engineer to join our aerospace and defense technology client. This opportunity is ideal for candidates who are within a commutable distance to Irvine, CA and are open to an onsite work environment with significant travel requirements. See below for abbreviated job responsibilities and requirements.

Title

Supplier Quality Engineer

Compensation

$110k - $128k base + bonus (base salary depends on experience)

Type

Direct Hire

Industry

Aerospace / Defense Technology

Eligibility

Must be a US Person (ITAR environment)

Responsibilities

• Partner with internal teams and external suppliers to evaluate, monitor, and improve supplier quality performance.
• Lead resolution of supplier-related nonconformances to prevent production disruptions and customer impact.
• Drive root cause investigations and corrective action processes, ensuring timely and effective closure.
• Review and approve supplier corrective action responses, prioritizing based on business and operational impact.
• Identify supplier risks related to product quality or safety and escalate appropriately.
• Support supplier development initiatives, including training and continuous improvement efforts.
• Act as a technical expert for supplier-related quality concerns and provide guidance on complex issues.
• Analyze supplier performance data and recommend process or product improvements.
• Collaborate cross-functionally with engineering, operations, and supply chain teams on quality initiatives.
• Participate in audits and ensure supplier compliance with applicable industry standards.
• Perform additional duties as needed to support quality and operational goals.

Qualifications

• Bachelor’s degree in Engineering (Mechanical, Electrical, Industrial, or related field).
• 10+ years of experience in supplier quality, manufacturing, or related engineering discipline.
• Strong background in root cause analysis and corrective action methodologies (e.g., 8D, A3).
• Experience with quality systems and tools such as PFMEA, control plans, DOE, Lean, and Six Sigma.
• Ability to interpret technical drawings, schematics, and engineering documentation (including GD&T).
• Familiarity with aerospace quality standards (e.g., AS9100, AS9110, AS9120) and inspection practices.
• Proficiency with data analysis and reporting tools (e.g., Excel, Minitab, or similar).
• Experience working with ERP systems such as SAP is a plus.
• Knowledge of APQP or advanced product quality planning processes is preferred.
• Prior auditing experience and/or ASQ certifications (CQE, CQA) are a plus.
• Strong understanding of manufacturing processes and supplier development practices.

Additional Requirements

• Valid driver’s license with ability to travel frequently (up to 50%, domestic and international).
• Passport required; must be comfortable with short-notice travel.
• Proven ability to manage multiple projects and priorities in a fast-paced environment.
• Experience leading cross-functional or remote teams on complex initiatives.

Soft Skills

• Strong communication and stakeholder management skills across all organizational levels.
• Effective problem-solving, analytical thinking, and decision-making abilities.
• Ability to influence without authority and drive continuous improvement.
• Conflict resolution skills and a collaborative mindset.
• High attention to detail and commitment to quality excellence.

Work Environment / Physical Requirements

• Primarily office-based with occasional interaction in lab or production settings.
• Regular computer use and standard office equipment operation.
• Ability to occasionally lift light items (up to 10 lbs).
• Must be able to observe and assess detailed components at close range.

Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process.

For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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