Demo

Principal Mechanical Engineer

Coherent Corp. US
Fremont, CA Full Time
POSTED ON 5/18/2026
AVAILABLE BEFORE 7/18/2026

Primary Duties & Responsibilities

  • Responsible for CPO/XPO/liquid cooling
  • Lead and manage CPO/XPO/Liquid cooling

Education & Experience

  • B.S. or M.S. in Mechanical Engineering.
  • 5 years of mechanical design experience.
  • Knowledge of a variety of (metal) manufacturing methods, e.g. machining, stamping, molding, welding, brazing, casting, plating, 3D printing, etc.
  • Knowledge and experience in sheet metal fabrication and rack and chassis designs
  • Strong analytical and computational skills in structural, heat transfer, fluid dynamics, and tolerance studies for mechanical and thermal consideration.
  • Experience in semiconductor laser diodes, laser alignment, diode laser packaging, fiber optics, fiber coupled lasers, fiber lasers, and diode laser optics.
  • Able to multitask between several projects and designs and handle a lot of details.
  • Must be self-motivated with the ability to work effectively in a team environment and meet project deadlines.

Skills

  • Leadership capabilities to command design decision. 
  • Strong interpersonal, teaming, and problem-solving skills.
  • Work effectively with other members of Coherent engineering
  • Strong collaborative and communications skills are required for interactions with customers, with the design, process, and manufacturing teams.
  • Strong analytical problem-solving skills for product design and debug

Working Conditions

  • This position is on-site
  • May require occasional off-site meetings or travel
  • Regular use of a computer and other office equipment is necessary
  • Interaction with team members and external contacts is a regular part of the job
  • May require occasional overtime and flexibility in work hours to accommodate the executive’s needs

Physical Requirements

  • Sitting for extended periods while working on a computer or conducting meetings.
  • Use of hands and fingers for typing, writing, and handling documents.
  • Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
  • Ability to communicate verbally and in writing.
  • Mobility within the office environment to attend meetings or interact with colleagues.

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 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.


 

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


 

Salary.com Estimation for Principal Mechanical Engineer in Fremont, CA
$169,216 to $201,484
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Coherent Corp. US

  • Coherent Corp. US Sherman, TX
  • Primary Duties & Responsibilities 1.1 Safety: • Wear all required PPE • Always respect safety systems, never disregard or work around • Maintain training c... more
  • 12 Days Ago

  • Coherent Corp. US Sherman, TX
  • Primary Duties & Responsibilities Support on-shift activities and deliver cross-shift passdowns Maintain run to run VCSEL/PD production on production react... more
  • 12 Days Ago

  • Coherent Corp. US Woburn, MA
  • Primary Duties & Responsibilities Test Development Design and develop test code using LabVIEW and other programming languages to operate test and measureme... more
  • 13 Days Ago

  • Coherent Corp. US Dallas, TX
  • Shift and Schedule Requirements Condition of Employment : This position is for Second Shift, with a regular schedule of 2:00PM – 10:30PM , Saturday – Wedne... more
  • 13 Days Ago


Not the job you're looking for? Here are some other Principal Mechanical Engineer jobs in the Fremont, CA area that may be a better fit.

  • Jobot Mountain View, CA
  • Want to learn more about this role and Jobot? Click our Jobot logo and follow our LinkedIn page! Job details: 10k Relocation Bonus This Jobot Job is hosted... more
  • Just Posted

  • Muon Space San Jose, CA
  • About The Role Muon seeks a Principal Mechanical Engineer to join our Mechanical Engineering team, reporting to the Director of Mechanical Engineering. Thi... more
  • 6 Days Ago

AI Assistant is available now!

Feel free to start your new journey!