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Senior Process Engineer Jobs in Milpitas, CA (NOW HIRING)

Oklo

Senior Process Controls Engineer

Santa Clara, CA · On-site +1

$122K - $158K/yr

We are searching for a Senior Process Controls Engineer for our recycling engineering team. Position Description: The person in this role will be responsible for designing, implementing ...

Oklo

Senior Process Controls Engineer

Santa Clara, CA · On-site

$122K - $158K/yr

We are searching for a Senior Process Controls Engineer for our recycling engineering team. Position Description: The person in this role will be responsible for designing, implementing ...

Booster

Senior Manufacturing Process Engineer

Hayward, CA · On-site

$145 - $219/hr

Skydio is seeking a highly motivated Senior Process Engineer to lead the development, implementation, and continuous improvement of manufacturing processes for our current and next generation of ...

Skydio, Inc

Senior Manufacturing Process Engineer

Hayward, CA · On-site

$119K - $154K/yr

Skydio is seeking a highly motivated Senior Process Engineer to lead the development, implementation, and continuous improvement of manufacturing processes for our current and next generation of ...

Tandem PV

Process Engineer

Fremont, CA · On-site

$85 - $125/hr

Working with senior process engineers, the role is responsible for the complete experimental cycle: depositing films, characterizing them, analyzing the results, and applying those results to the ...

Cooley

Senior Legal Process Engineer

Palo Alto, CA · On-site

$122K - $158K/yr

Senior Legal Process Engineer Cooley is seeking a Senior Legal Process Engineer to join the Practice Engineering team. Position summary : As the leading technology law firm, Cooley is determined to ...

Cooley LLP

Senior Legal Process Engineer

Palo Alto, CA · On-site

$122K - $158K/yr

Senior Legal Process Engineer Cooley is seeking a Senior Legal Process Engineer to join the Practice Engineering team. Position summary : As the leading technology law firm, Cooley is determined to ...

Legence

Senior Process Design Engineer

San Jose, CA · On-site

$150K - $180K/yr

San Jose, CA (on site), Full-time Therma, a Legence company, is seeking a highly motivated Senior Process Design Engineer with +8 years of experience in the process piping industry. The ideal ...

Blue Current

Senior Electrode Process Engineer

Hayward, CA · On-site

$119K - $154K/yr

Position Summary The Senior Electrode Process Engineer is responsible for producing finished electrodes that meet the quality and performance standards required by Blue Current's cell assembly team ...

Blue Current

Senior Electrode Process Engineer

Hayward, CA · On-site

$119K - $154K/yr

The Senior Electrode Process Engineer plays a central role in validating processes at current scale and defining the pathway to gigafactory-level production, ensuring that what works in the lab or ...

Oclaro

Senior Wafer Process Engineer

San Jose, CA · On-site

$87K - $125K/yr

Senior Manufacturing Process Engineer (Mfg Waferfab) We value our talented employees, and whenever possible strive to help one of our associates grow professionally before recruiting new talent to ...

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All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Milpitas, CA

Senior Process Engineer information

See Milpitas, CA salary details

$87.4K

$141.1K

$198.7K

How much do senior process engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior process engineer in Milpitas, CA is $141,145.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,200.00 and $156,700.00 per year, depending on experience, location, and employer.

What does a senior process engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

What are the key skills and qualifications needed to thrive as a senior process engineer?

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What are some common challenges senior process engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.

What is the difference between Senior Process Engineer vs Process Engineer?

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

What are the most commonly searched types of Process Engineer jobs in Milpitas, CA?

The most popular types of Process Engineer jobs in Milpitas, CA are:

What are popular job titles related to Senior Process Engineer jobs in Milpitas, CA?

For Senior Process Engineer jobs in Milpitas, CA, the most frequently searched job titles are:

What job categories do people searching Senior Process Engineer jobs in Milpitas, CA look for?

The top searched job categories for Senior Process Engineer jobs in Milpitas, CA are:

What cities near Milpitas, CA are hiring for Senior Process Engineer jobs?

Cities near Milpitas, CA with the most Senior Process Engineer job openings:

Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Milpitas, CA as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 19% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $141,145 per year, or $67.9 per hour.

Senior Process Engineer -Optoelectronics/ CPO

Koch Industries

Fremont, CA • On-site

$160K - $250K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago

Koch Industries rating

8.0

Company rating: 8.0 out of 10

Based on 53 frontline employees who took The Breakroom Quiz

136th of 545 rated manufacturers

Job description

Molex possesses a rich heritage in the optical industry, delivering high-performance, field-proven optical solutions spanning components, modules, and fully integrated line cards. We provide cutting-edge wavelength management and amplifier technologies, supported by deep optical, mechanical, electrical, and software integration capabilities. These strengths enable Molex to serve the evolving needs of high-density, high-bandwidth, and flexible optical networks.
The Senior Process Engineer will develop sealing processes for advanced optoelectronic packages (e.g., CPO, ELSFP). The position requires close collaboration with R&D and product design teams, manufacturing, suppliers, and customers to ensure product components meet stringent optical, mechanical, and Telcordia reliability requirements.
What You Will Do
  • Develop and implement processes to attach various components (e.g., TEC, housing, lid, fiber lens or discrete lenses)
  • Own automated process development using die-attach tools (MRSI), including: process set up, alignment and recipes
  • Design and implement solder hierarchies (e.g., AuSn, SAC, etc.) to support multiple reflows without reflow or voiding
  • Develop hermetic lid-sealing process via electrical or laser welding, or soldering to seal ring
  • Develop hermetic fiber-sealing process to housing (e.g., glass frit, Cerrocast) to achieve leak rate ( 5N)
  • Partner with product and operation teams to ensure designs are compatible with manufacturable, high-yield assembly flows
  • Define process windows, control plans, and critical-to-quality (CTQ) parameters
  • Support component supplier selection and evaluation of: housing, lid, seal rings, fiber-feedthrough. Evaluate process capability and maturity
  • Define and oversee component pre-qualification tests to ensure reliable designs (e.g., temperature cycling, damp heat resistance)
  • Support failure analysis investigations and corrective actions for product related failures and manufacturing issue (e.g., solder defects (cracks, delamination)
  • Drive corrective actions across materials, processes and supplier inputs

Who You Are (Basic Qualifications)
  • MS in Material Science, Mechanical Engineering, Physics, Optics, or a closely related field
  • At least 10 years of industry R&D experience with solder/epoxy processes used for optoelectronic packages developed and transferred to manufacturing environments
  • Hands-on experience with DOE, DFM, statistical tools for efficient optimization (e.g., Minitab or JMP)
  • Expertise in solder hierarchy reflow applied to metalized surfaces and bare-glass surfaces
  • Experience of process-attach issues (e.g., CTE mismatch, stress, adhesion, thermal limits, etc.)
  • Experience with optical components (e.g., gratings, mirrors, lenses), stable attachment methods (e.g., epoxy and solder based)
  • Expertise in component qualification methodologies (e.g., GR-468), and product reliability testing
  • Experience with solder-process failures (e.g., cracks, intermetallics, solder fatigue) through failure mode analysis tools
  • Experience with New Product Introduction (NPI) methodology: design, verification, qualification, release to manufacturing
  • Strong communication skills with suppliers and cross-functional internal teams

For this role, we anticipate paying $160,000 - $250,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.
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 ).

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