Senior Electro-Mechanical Engineer - Full-Time Onsite Leach International Corporation designs and manufacturers relays, electronic control devices, and power systems primarily for the aerospace and defense industry. We welcome people who share our determination and high standards to join us in doing work that moves the world forward. Leach is known for design excellence and commitment to quality and reliability since 1919. This 100-year legacy includes the invention of the electrical relay for aircraft systems which has supported the development of the world's aircrafts. Our equipment and components are used on thousands of aerospace, military, rail and high-end industrial applications worldwide, in the most severe environments when reliable and performance are mission critical. Job Overview Title: Senior Electro-Mechanical Engineer Location: Buena Park, California Type: Full-Time Onsite Salary Range: $100,000 - $130,000 (based on experience and education) Job Summary Under minimal supervision, the Senior Electro-Mechanical Engineer will lead and contribute to the design, development, and improvement of electro-mechanical components, primarily aerospace grade contactors. This position involves in depth technical evaluation, troubleshooting of field and production failures, and root-cause investigations. The specialist will drive product enhancements, lead engineering analysis efforts, and ensure alignment with performance, cost, and reliability targets. The role also requires cross-functional collaboration to support project management, design documentation, product qualification, and technical proposal development. Primary Responsibilities * Lead failure analysis and root cause investigations for field and production issues; implement corrective and preventive actions. * Provide engineering support for legacy product lines, including upgrades, obsolescence management, and technical guidance to operations. * Design magnetic coils and high-power contactors, including creation of detailed 3D CAD models and mechanical drawings. * Select and specify materials (e.g., magnetic, contact, insulation) based on application-specific performance and environmental conditions. * Work closely with manufacturing teams to create assembly instructions and support production readiness. * Conduct electromagnetic and thermal simulations using tools like ANSYS to validate performance. * Apply design-to-cost and design-for-manufacturability principles during product development. * Prepare and review technical documentation including specifications, test procedures, BOMs, and qualification plans. * Lead or contribute to internal and external design reviews. * Support proposal development and technical input for new business opportunities. * Collaborate with systems engineering on requirement reviews and ensure alignment of mechanical design with system-level needs. * Ensure compliance with industry and aerospace environmental standards. * Perform prototype evaluation, qualification testing, and product performance validation. Basic Qualifications * Bachelor's Degree in Mechanical Engineering or a closely related discipline. * 8-12 years of experience in electro-mechanical design and development, preferably in the aerospace industry. * Demonstrated experience in troubleshooting, root cause analysis, and product improvement for electro-mechanical systems. * At least 5 years of experience with 3D solid modeling (Autodesk Inventor preferred). * Working knowledge of electromagnetic component design (coils, solenoids, actuators, etc.). * Proficient in engineering analysis and simulations (e.g., magnetic, structural, or thermal). * Familiar with aerospace qualification standards and environmental compliance requirements. * Strong analytical, organizational, and technical communication skills. * Self-motivated, detail-oriented, and able to manage multiple technical priorities. * Willingness to travel up to 5% for customer support or field investigations. * Adherence to company ethics, safety standards, and business conduct policies. Preferred Qualifications * Master's Degree in Mechanical Engineering, Physics, or Materials Science. * Experience with magnetic blowout designs for high-voltage contactors. * Proficiency in GD&T and ANSI Y14.5 dimensioning and tolerance standards. * Familiarity with system-level requirements and interface management. * A creative and innovative mindset with a passion for continuous improvement. Competencies As an individual contributor you will be expected to demonstrate the following competencies: Customer Focus, Listening, Problem Solving, Action Oriented, Composure, Functional/Technical Skills, Ethics and Values, Integrity and Trust and will need to Value Diversity. Must be authorized to work in the U.S. To conform to U.S. Export Control Regulations, applicant should be eligible for any required authorization from the U.S. Government. Equal Opportunity Employer, Including Disability/Vets Privacy Policy: https://leachcorp.com/privacy-policy/