Test Driver Development Engineer

Coherent Corp.; Fremont (CA); On-site; USD 110,000 - 170,000; Full time

Job summary

Coherent Corp. in Fremont, CA seeks an embedded software engineer to design, develop, and implement low-level firmware for STM32 MCUs and in-house test boards.

You will work closely with hardware teams to integrate boards into our software architecture and lead release and qualification for production. The role requires a BS/MS in EE and at least 2 years of experience, strong C/C++, C#, and VB.NET skills, and hands-on lab work with DMMs, oscilloscopes, and logic analyzers.

Qualifications

• BS/MS in Electronics/EE or related field with strong EE foundations.
• Minimum 2 years of experience in a similar embedded firmware role.
• Advanced programming skills in .NET languages (C/C++, C#, VB.NET).
• Experience reading electrical schematics and lab testing with DMMs/oscilloscopes.

Responsibilities

• Design, develop, and implement low-level firmware for STM32 MCUs and in-house test boards.
• Collaborate with hardware designers to integrate new boards into software architecture.
• Lead release and qualification processes for new instruments/boards.
• Debug hardware/software integrations in collaboration with the hardware team.
• Operate hands-on in the lab validating designs with test equipment.

Skills

C/C++

C#

VB.NET

GPIB/SCPI

DSP knowledge

Education

BS/MS in Electronics/EE

Job description

Job Description

• Design, develop, and implement low-level software drivers (embedded firmware) specifically for STM32 microcontrollers, as well as for other in-house designed test boards and instruments.
• Design and develop low-level software drivers (embedded firmware) in C/C++, C#, VB.NET for our in-house designed test boards and instruments.
• Collaborate with hardware designers to integrate new boards into the existing software architecture.
• Work closely with the hardware design team to debug new instruments/boards.
• Lead the release and qualification process of new instruments/boards into production.
• Read and interpret complex electrical schematics to support the development and debugging of hardware and software integrations.
• Operate hands-on in the lab with digital multimeters (DMMs), oscilloscopes, and logic analyzers to test and validate designs.

Primary Duties & Responsibilities

• Design, develop, and implement low-level software drivers (embedded firmware) specifically for STM32 microcontrollers, as well as for other in-house designed test boards and instruments.
• Design and develop low-level software drivers (embedded firmware) in C/C++, C#, VB.NET for our in-house designed test boards and instruments.
• Collaborate with hardware designers to integrate new boards into the existing software architecture.
• Work closely with the hardware design team to debug new instruments/boards.
• Lead the release and qualification process of new instruments/boards into production.
• Read and interpret complex electrical schematics to support the development and debugging of hardware and software integrations.
• Operate hands-on in the lab with digital multimeters (DMMs), oscilloscopes, and logic analyzers to test and validate designs.

Education & Experience

• A BS/MS degree in Electronics/Electrical Engineering (EE) or a related field, underscoring a strong foundation in EE principles.
• Minimum 2 years of experience in a similar position.

Skills

• Advanced programming skills in .NET languages (C/C++, C#, VB.NET).
• Experience with instrument communications protocols (GPIB, SCPI, i2c, UART).
• A thorough understanding of high-speed digital data concepts and the ability to read and interpret electrical schematics.
• Hands-on experience in the lab with essential tools such as DMMs, oscilloscopes, and logic analyzers.
• Knowledge of Digital Signal Processing (DSP) is considered a significant advantage.
• Proven ability to work collaboratively with hardware design teams and proficiency in debugging complex systems.

Working Conditions

• This position is predominantly onsite
• 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 [e-mail].

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.