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

Lubrizol Corporation

Senior Process Engineer

Corona, CA · On-site

$120 - $140/hr

The Senior Process Engineer will be assigned to support all functions of the manufacturing areas. * Drive process improvements including technology, reducing scrap, and new concepts made real and ...

Lubrizol Corporation

Senior Process Engineer

Corona, CA · On-site

$107K - $138K/yr

The Senior Process Engineer will be assigned to support all functions of the manufacturing areas. * Drive process improvements including technology, reducing scrap, and new concepts made real and ...

Lubrizol Corporation

Senior Process Engineer

Corona, CA · Hybrid

$107K - $138K/yr

The Senior Process Engineer will be assigned to support all functions of the manufacturing areas. * Drive process improvements including technology, reducing scrap, and new concepts made real and ...

Lubrizol Corporation

Senior Process Engineer

Corona, CA · Hybrid

$107K - $138K/yr

The Senior Process Engineer will be assigned to support all functions of the manufacturing areas. * Drive process improvements including technology, reducing scrap, and new concepts made real and ...

Amrize

Senior Process Engineer

Garden Grove, CA · On-site

$105K - $137K/yr

We're seeking a Senior Process Engineer who's ready to be part of a company committed to formulating everyday success for every customer through innovative, reliable products used to adhere, seal ...

Amrize

Senior Process Engineer

Garden Grove, CA · On-site

$105K - $137K/yr

We're seeking a Senior Process Engineer who's ready to be part of a company committed to formulating everyday success for every customer through innovative, reliable products used to adhere, seal ...

Nikkiso Cryogenic Industries

Senior Process Engineer

Irvine, CA · On-site

$111K - $143K/yr

The Senior Process Engineer leads process system design and technical definition for skid-mounted and modular process packages in an EPC execution environment. This role is responsible for developing ...

Nikkiso

Senior Process Engineer

Irvine, CA · On-site

$85 - $120/hr

Job Overview The Senior Process Engineer leads process system design and technical definition for skid-mounted and modular process packages in an EPC execution environment. This role is responsible ...

Nikkiso Co.

Senior Process Engineer

Irvine, CA · On-site

$85 - $120/hr

Job Overview The Senior Process Engineer leads process system design and technical definition for skid-mounted and modular process packages in an EPC execution environment. This role is responsible ...

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

Senior Process Engineer information

See Tustin, CA salary details

$78.6K

$126.9K

$178.7K

How much do senior process engineer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for senior process engineer in Tustin, CA is $126,929.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,000.00 and $141,000.00 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 Tustin, CA?

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

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

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

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

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

Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Tustin, CA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, 2% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $126,929 per year, or $61 per hour.

Senior Process Engineer

Jacobs Management Group

Corona, CA

$107K - $138K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

Job description

Senior Process Engineer

My client, a leader in medical-grade extrusion manufacturing, is hiring a Senior Process Engineer to sharpen the processes behind life-critical products. You'll turn manufacturing challenges into cleaner, faster, cheaper operations that reach the floor every day.

Why you should apply

  • Dayshift, on-site in Corona, CA
  • 401(k) match plus age-weighted defined contribution
  • Comprehensive medical, dental, and vision, plus an HSA
  • Paid holidays, vacation, and parental leave
  • Real ownership of process improvement in a growing manufacturer

What you'll be doing

  • Drive process improvements that reduce scrap and cost while protecting quality
  • Support extrusion, secondary operations, and packaging
  • Lead new-product launches with FMEA, PFD, and part/tool design reviews
  • Own validation and qualification (IQ/OQ/PQ) protocols
  • Partner with maintenance on root cause analysis and irreversible corrective action
  • Mentor technicians and write the process documentation others rely on

About you

  • Be able to do the job as described.
  • You've engineered thermoplastic extrusion, molding, or assembly processes
  • You're fluent in root cause analysis and IQ/OQ/PQ validation
  • Six Sigma or Lean credentials are a plus

How To Apply

We would love to see your resume, but we do not need it to have a conversation. Email sjames@jacobsmgt.com and tell me why this one interests you.

Or if your resume is ready, apply here.