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Software engineer, Firmware Validation Tools

Coherent Corp.
Fremont, CA Full Time
POSTED ON 1/5/2026
AVAILABLE BEFORE 3/9/2026
Job Description

Primary Duties & Responsibilities

Develop test Scripts in Python to validate firmware that runs on optical Transceivers and supporting products.

Collaborate with firmware engineers to generate requirements and design new test coverage for new product Introduction, (NPI) features.

Define and design test coverage and test scripts per product requirements and specifications.

Qualify new test instrument and integrate them into test software platform.

Maintain test system performance and readiness.

Follow software development process for test script, test software platform development and release.

Fulfill test request and provide test report timely and provide test review and test explanation upon request.

Testing and result analysis

Work closely with other team member on product or customer issue verification and debugging.

Participate project and team meeting to provide feedback and opinion on test related information and new ideas.

Work with other test members to keep test script and test document up to date with high quality.

Education & Experience

  • Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science or a related field. Master’s degree preferred but not required.

Skills

  • Strong Python programming language skills, Git version Control and Familiarity with C, C , C# programming languages is a plus.
  • Experience with optics and signal processing is a plus.
  • Knowledge of common buses and communication protocols (e.g. UART, I2C, SPI, interfaces, etc.)
  • Familiarity with instrument and hardware control such as digital I/O, timers, ADCs, UARTs, low power modes, etc.
  • Experience working at the hardware/software interface: reading and writing registers, comfortable with hardware specs.
  • Comfortable using oscilloscopes, multimeters, power supplies, etc.
  • Hands-on (practical) or lab experience with hardware.
  • Strong interpersonal and problem-solving skills.
  • Work effectively with other members of core team for module development.

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 .

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.

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