Quality Engineer

Winchester Interconnect; San Marcos (CA); On-site; USD 85,000 - 100,000; Full time

Job summary

Winchester Interconnect Corporation is seeking a Quality Engineer to ensure quality systems align with growth targets, collaborating with engineering, operations, finance.

Responsibilities include leading investigations, conducting DOE, FMEA, process auditing, MSA, and implementing defect elimination and continuous improvement. The role supports NPI, product reliability, and compliance to promote advanced quality planning.

Qualifications

• BS degree in a related field and 3-5 years of quality experience.
• Proficiency in Six Sigma, lean manufacturing, and quality tools.
• Ability to lead test and inspection programs meeting standards.

Responsibilities

• Drive investigations and champion defect elimination through DOE, FMEA, MSA.
• Support product validation, NPI, and process launches with reliability input.
• Develop and monitor corrective actions, data-driven improvements.
• Coordinate process audits and supplier quality as needed.

Skills

Quality Engineering

Six Sigma

Lean Manufacturing

Design for Manufacturability

Design for Assembly

FMEA

DOE

Measurement System Analysis

Root Cause Analysis

Education

BS degree

Quality experience 3-5 years

Tools

ERP Systems

Spreadsheets

Databases

Google Enterprise

ADP

Job description

At Winchester Interconnect, we always do the right thing, the right way.

Winchester Interconnect is committed to inspiring the most innovative teams. We foster a dynamic, inclusive environment that thrives on collaboration and continuous growth. We hire exceptional people, celebrate wins, empower employee growth, and provide opportunities to thrive. Winchester is where potential transforms into purpose, and every team member plays a vital role in shaping our shared success.

Position Summary:

The Quality Engineer has accountability and shared responsibility to ensure quality systems and processes are aligned and support the growth and improvement targets of the company. Winchester’s go to market strategy centers around its technical capabilities, customer service, and product reliability. This role will support the Quality Manager, work with engineering, operations, business development, and finance to achieve the productivity, quality, cost, and profitability revenue growth targets. Specifically, in this role, you will drive technical investigations, conduct DOE, FMEA, process auditing, measurement system analysis, and use standard quality techniques to champion defect elimination and closed loop process improvement. You will be involved in the validation of new products and process launches and provide input on product reliability and compliance to promote advanced product quality planning.

Qualifications & Requirements

• BS degree required and 3-5 years of quality experience, Material Science engineers or similar preferred
• Proficiency in quality, six sigma and lean manufacturing techniques, design for manufacturability, design for assembly, measurement system analysis, design of experiment, and failure mode and effects analysis techniques in a design and manufacturing environment
• Ability to direct quality resources to develop and implement test and inspection programs to meet customer, industry, regulatory standards across the manufacturing site
• Analytical thinker with demonstrated technical ability to perform root cause analysis, prepare and implement action plans, lead technical improvement initiatives
• Commitment to Winchester’s values of accountability, collaboration, and empowerment
• Compiles and uses data, databases, ERP systems, spreadsheets, etc. to communicate and contribute to enterprise-wide initiatives and drive continuous improvement initiatives
• Ability to measure components and assemblies specified to tight tolerance
• Ability to measure process yields, report them, and drive improvement initiatives based on that data
• Experience with process auditing preferred

Our core values - Accountability, Collaboration, and Empowerment (ACE) - are the foundation of how we operate and drive success. You will take ownership of your contributions, collaborate with a team that gets stuff done, and be empowered to innovate and pursue bold initiatives that drive our business forward.

Are You Our Next ACE?

• Accountable for advanced product quality planning, nonconforming material trend analysis and corrective action planning, and production process auditing, use their findings to propose and assist in administering best practices across the organization
• Assess customer, industry, and regulatory requirements, developing tailored quality plans to ensure compliance
• Execute audit plans to ensure adherence to customer, industry, and regulatory standards
• Drive a customer-centric, total quality culture, participate in NPI projects, internal auditing, FAIs, source inspections, RMAs, CARs, and general customer service as required
• Champion the Winchester culture, fostering a strong organization
• Collaborate across all levels of the organization, as well as our supplier and customer base as needed in a way that leads by example, holds people accountable and utilizes data to make informed decisions
• Empowered to support and maintain quality systems to capture, monitor, and manage product and process quality, aligning with the company’s tactical and strategic business goals
• Assist in developing and monitoring business process performance metrics/indicators, making recommendations and supporting process improvements
• Participate and perform FAI, material review boards, and internal audits, in collaboration with operations Follow uniform processes for FAI/qualification of products and processes for both internal and external customers
• Support the Quality Manager in addressing customer-related quality issues, including failure analysis and corrective actions, in conjunction with other functional areas
• Maintain a robust corrective action process incorporating Six Sigma, design for manufacture, design for assembly, failure mode and effects analysis, MSA, DOE, reliability analysis,and lean manufacturing principles
• Represent the product group during customer, supplier quality, ISO, and related audits. Identify, develop, and support processes and training programs as required by the Quality Manager
• Ensure compliance with customer, industry, and regulatory standards, including export regulations
• Drive continuous improvement, common processes, and company values to support growth and improvement targets, alongside other assigned responsibilities

Systems You’ll Use

• Google Enterprise
• ADP

Pay Transparency

Winchester Interconnect Corporation is committed to pay transparency. The pay range for this position is $85,000 - $100,000 (DOE) per year, plus incentive compensation. Exact salary will be contingent upon your experience, education, skills, and any other factors Winchester Interconnect Corporation considers relevant to the hiring decision.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. In addition to federal law requirements, Winchester Interconnect complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.

Winchester Interconnect expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

Revised-1/1/2026