Demo

Senior Mechanical Engineer

II-VI Aerospace & Defense
Murrieta, CA Full Time
POSTED ON 11/6/2025
AVAILABLE BEFORE 1/27/2026
Job Description

Come join Coherent's innovative team supporting Manufacturing Engineering, Coating, Engineering and Operations with technical guidance and coordination related to mechanical design, CNC programming, and manufacturing processes for assigned projects. In this dynamic role, you'll be responsible to provide tooling design support to new and existing projects. You'll help design and develop assembly and testing procedures for new projects and associated procedures.

Primary Duties & Responsibilities

Tool Design and Programming Support

  • Uses expert level knowledge to plan major programs and lead teams. Coordinates design engineering activities on assigned projects. Works independently to achieve goals and objectives. Recognized as a site expert in Mechanical Design Engineering discipline.
  • Responsible for product design and process development activities on assigned projects; ensures product designs and processes meet customer specifications and technical requirements.
  • Writes and validates CNC programs and supports shop floor personnel to troubleshoot programming and manufacturing problems.
  • Assures product designs and processes are audited and analyzed for further improvements.
  • Supports quotation process by reviewing customer drawings and internal quotations with respect to mechanical design and fabrication issues; lays out conceptual manufacturing plan; ensures design concepts are manufacturable, and product can be built using existing Coherent processes; identifies technical issues that require either exceptions or development activities.
  • Resolves technical issues as they arise during fabrication with assistance from pertinent Operations personnel and Process Owner Engineers; identifies root causes of problems using analytical techniques; identifies the appropriate resources to resolve the issue; provides clear, complete, and concise reports regarding technical issues.
  • Supports program management with technical advice and direction on assigned programs. Adheres to program financial goals and provides financial estimates and status updates to program management.
  • Supports Business Development activities through participation in customer presentations and proposal preparation.
  • Proposed equipment and tooling are studied, designed, developed. Interfaces with vendors are developed and maintained to assure proper results.
  • Appropriation requests or vendor procurement specifications are prepared with the appropriate cost justification and analysis.
  • Equipment, tools, and fixtures are designed, reviewed, and purchased.
  • Writes manufacturing work instructions and Bills of Materials.
  • Troubleshoots product quality and production yield problems and leads corrective action teams.
  • Responsible for successful implementation of new product designs and manufacturing processes in production.

Education & Experience

  • Typically requires a minimum of 5 years of related experience with a Bachelor’s degree in Mechanical Engineering or a related discipline; or 3 years and a Master's degree; or a PhD.
  • An understanding of optical and mechanical design processes and the ability to apply engineering theories and concepts are essential

Skills

  • Must be able to engage machine shop personnel and discuss ways to tackle difficult machining problems and set/meet schedule.
  • Solid understanding of design for assembly and integration in complex opto-mechanical devices including tolerance stack analysis.
  • Experience in metal machining (milling, lathe, EDM, etc.) and conventional optical fabrication technologies (grinding, polishing, coating, testing, etc.).
  • Experience in design for manufacturing across the entire product cycle
  • Good analytical and problem-solving skills. Familiarity with analytical tools used for problem solving and process development, including DOE

Working Conditions

Office and Manufacturing Environment

Physical Requirements

Standing, Walking, Reaching, and Lifting

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality And Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001, AS9100 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

To conform to U.S. Government export regulations (ITAR), applicant must be a U.S. person, lawful permanent resident of the U.S., protected individual as defined by 8. U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State."

If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com .

About Us

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

About The Team

II-VI Aerospace & Defense is a high technology company, offering careers in offices and campuses in California, Colorado, Florida, Pennsylvania, and Ohio. We work with emerging technology in areas of atmospheric sensing and imaging, adaptive optics, optical communications, coherent beam combining, and numerical performance analysis of atmospheric optics systems. II-VI A&D has recently been awarded several new government contracts and we are offering opportunities to leverage your technical experience and interpersonal skills for something more than a simple paycheck. If this sounds like the type of environment you are seeking at this point in your career, and if your background meets these qualifications, please apply. We will offer a competitive salary and benefits. Since II-VI A&D is a rapidly expanding organization, it means that significant opportunities exists for career advancement and professional development.

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