Principal Jobs in Fremont, CA
Principal jobs in Fremont, California concentrate in the Irvington and Centerville districts as well as the Pacific Commons business corridor, with strong demand across education, technology, and engineering sectors. Employers hiring right now include Coherent, Molex, and Hyve Solutions. Find a role that fits below and apply directly.
Find Principal JobsOverview
Showing 5 of 776+ Principal jobs











The Sr Principal Laser Diode Engineer will be responsible for laser design, driving selection, performance, and reliability assurance of semiconductor lasers inside Molex's products. This role involves close collaboration with product design teams, manufacturing, suppliers, and customers to ensure laser components meet stringent quality and reliability standards.
What You Will Do
- Provide detailed technical expertise on III-V laser diode designs to guide R&D team for competitive product architectures (especially GaAs-based, secondarily InP-based), including design refinements (i.e., epi, process) to improve supplier performance/reliability
- Define and implement performance and reliability specifications of semiconductor lasers aligned with product requirements and roadmaps
- Provide perspective on laser-diode supplier selection, including technology maturity assessments, reliability assessment/modeling (e.g., Weibull, lognormal, etc.)
- Support failure analysis investigations and resolution strategies for laser failures, working closely with internal teams, suppliers, and customers
- Work intimately with optical packaging team to create next-gen designs (e.g., CPO, ELSFP)
- Support supplier development initiatives, e.g., audits, quality improvement plans, and risk mitigation strategies
Who You Are (Basic Qualifications)
- PhD in Photonics, Semiconductors, Optics or related laser technology
- At least 10 years of industry experience with designing semiconductor lasers
- Experience in design, epi, fabrication, testing, and productization of semiconductor lasers (e.g., especially high-power lasers and transmitters)
- Knowledge of laser and component qualification tests (i.e., GR-468), multicell reliability testing, methodology and analytic tools (e.g., ReliaSoft Weibull++/ALTA, JMP)
- Experience with failure mode signatures associated with these devices, and track record of FMA and resolution
- Experienced in creating specifications of semiconductor lasers
- Experience of communication with vendors and customers
For this role, we anticipate paying $180,000 - 350,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.
At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here .
Who We Are
At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here , aquí , or tu ).
See All 776+ Principal Jobs in Fremont
Find roles in Fremont that match your experience and apply in just a few clicks.
Find Principal JobsPrincipal Job Market in Fremont
Who's Hiring
- Coherent310

- Molex233

- Hyve Solutions233

Principal Jobs in Fremont: Frequently Asked Questions
How do I get a principal job in Fremont?
Focus your search on Fremont's education sector, which anchors the largest share of principal openings, along with technology and engineering firms concentrated in the Pacific Commons and Warm Springs areas. School leadership roles through Fremont Unified and private K-12 networks favor candidates with site-level administrative experience. In tech and engineering, a demonstrated record of leading cross-functional projects within product or systems teams gives candidates a meaningful edge in this market.
Which companies hire principals in Fremont?
Employers hiring principals in Fremont right now include Coherent, Molex, and Hyve Solutions, based on current listings on Migrate Mate as of September 2026. Fremont's hiring landscape mixes large manufacturing and technology employers with established public school districts and a growing set of clean energy and semiconductor firms.
Are there remote principal jobs in Fremont?
Yes, though availability depends heavily on the role type: school and site-level principal positions are almost entirely on-site, while principal engineers, principal architects, and principal analysts at Fremont tech and semiconductor firms are far more likely to offer flexibility. About 100% of principal openings tied to Fremont are remote or hybrid as of September 2026. Research and design functions within Fremont's technology and clean energy employers tend to offer the most remote-eligible principal roles.
How can I get a principal job in Fremont with little or no experience?
The most realistic entry path in Fremont is moving into an associate or staff-level role at one of the city's technology, semiconductor, or manufacturing employers and building project ownership from there. Fremont Unified and surrounding charter networks also hire vice principals and instructional coaches as stepping stones to full principal roles. Candidates who complete Alameda County Office of Education leadership preparation programs gain direct connections to Fremont-area hiring administrators, which makes a real difference locally.
Related Jobs in California
See All 776+ Principal Jobs in Fremont
Find roles in Fremont that match your experience and apply in just a few clicks.
Find Principal Jobs