Senior Design Engineer

Winchester Interconnect; Orange (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Winchester Interconnect Corporation is seeking a Senior Design Engineer to own full product design lifecycle, manage complex projects, and support manufacturing and purchasing with cost and quality targets.

The role emphasizes creating 3D models and 2D drawings, maintaining BOMs and ECNs, and evaluating multiple design options to implement optimal solutions. Strong GD&T, SolidWorks, and collaboration across teams are essential.

Qualifications

• BS/Engineering background or 8+ years in mechanical engineering.
• Experience with ASME Y14.5 GD&T and tolerance analysis.
• Proven ability to lead design reviews and DFMEA activities.

Responsibilities

• Lead the design and management of new product projects, meeting customer-funded programs and internal NPD goals.
• Create 3D models, 2D drawings, BOMs, and manufacturing instructions.
• Maintain and modify existing product lines; process Engineering Change Notices (ECNs).
• Input and maintain MRP data (Item Masters, BOMs) and support engineering file systems.
• Identify multiple design options, evaluate strengths/weaknesses, and implement optimal solutions.
• Design specialized tooling and packaging for production.
• Collaborate across the division to drive data-based decisions and accountability.
• Follow designs through production and solicit process engineering feedback.

Skills

Drafting excellence per ASME Y14.5 & G

SolidWorks CAD proficiency

Tolerance analysis & DFMEAs

Design reviews & leadership

Fabrication processes knowledge

Materials science & plating

Strong communication & presentation

Organizational skills

Connector design & mil/aero experience

Education

BS in Engineering or 8+ years mechanical engineering

Tools

SolidWorks

ADP Lyric

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 role of Senior Design Engineer is responsible for the full lifecycle of new product design, maintaining and optimizing existing product lines, and managing complex design projects from inception to completion. This role provides critical engineering support to manufacturing and purchasing departments while ensuring all designs meet cost, quality, and timeline requirements.

Qualifications & Requirements

• Drafting Excellence: Strong proficiency in drafting standards per ASME Y14.5 and expert knowledge of GD&T
• CAD Mastery: Expert proficiency in Solidworks (Solidworks certificate highly preferred)
• Engineering Analysis: Proven experience in tolerance analysis, DFMEAs, and leading formal design reviews
• Manufacturing Knowledge: Familiarity with various fabrication processes, specifically stamping, machining, and injection molding
• Materials Science: Deep understanding of materials and various plating processes
• Education Level: BS in Engineering or minimum 8 Years of experience in mechanical engineering. Experience in connector design and/or mil/aero industry preferred.
• Knowledge of materials and platings
• Familiarity with manufacturing and fabrication processes (Stamping, machining, injection molding)
• Good organizational skills with a strong ability to juggle multiple tasks/projects at one time
• Good communication and presentation skills (verbal and written)
• Strong mechanical aptitude with an ability to identify multiple options and evaluate the strengths and weaknesses of those options and implement the best solution

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?

• Lead the design and management of new product projects as requested by sales or customers, to meet customer-funded programs and new product development projects in accordance with engineering standards, systems, procedures, and policies
• This includes creating 3D models, 2D drawings, BOMs, and manufacturing instructions.
• Oversee the maintenance of existing product lines, including modifying 3D models/2D drawings and processing Engineering Change Notices (ECNs).
• Input and maintain MRP system data (Item Masters, BOMs) and assist in maintaining the engineering file management system
• Identify multiple design options, evaluate their strengths and weaknesses, and implement optimized solutions.
• Design specialized tooling and packaging as required for production.
• Collaborate across the division (PCG) in a way that leads by example, holds people accountable, and utilizes data to make informed decisions
• Follow your designs through production and solicit feedback from process engineering - support the designs beyond engineering release

Systems You’ll Use

• Google Enterprise
• Solidworks
• ADP Lyric

Pay Transparency

Winchester Interconnect Corporation is committed to pay transparency. The pay range for this position is $90,000 to 130,000 per year, depending on experience, plus incentive compensation up to 5% of the annual salary, depending on performance. 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 expresses 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.