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Refinery Process Engineer Jobs in California (NOW HIRING)

Anvil Corporation

Process Engineer

Caspar, CA · On-site

... refinery process operations, troubleshooting, and small project execution Must have a general ... phase engineering Must have strong written and verbal communication skills, working with internal ...

PBF Energy, Inc.

Process Engineer

Martinez, CA · On-site

$92K - $164K/yr

We have an opportunity at our Martinez Refinery in California and are seeking a talented Process Engineer to join our team as pivotal member that would play a key role here at PBF Energy. Process ...

Pbf Energy

Process Engineer

Martinez, CA · On-site

$92K - $164K/yr

We have an opportunity at our Martinez Refinery in California and are seeking a talented Process Engineer to join our team as pivotal member that would play a key role here at PBF Energy. Process ...

PBF Energy, Inc.

Manager, Process Engineering

Martinez, CA · On-site

$121K - $216K/yr

We have an opportunity at our Martinez Refinery in California and are seeking a talented Manager, Process Engineering to join our team as a pivotal member that would play a key role here at PBF ...

Pbf Energy

Manager, Process Engineering

Martinez, CA · On-site

$121K - $216K/yr

We have an opportunity at our Martinez Refinery in California and are seeking a talented Manager, Process Engineering to join our team as a pivotal member that would play a key role here at PBF ...

ASR Group

Process Engineer II

Crockett, CA

$81K - $151K/yr

ASR Group is the world's largest refiner and marketer of cane sugar, with an annual production ... OVERVIEW The Process Engineer develops and supports the implementation of new processes while ...

Chevron

Process Control Engineer

Richmond, CA · On-site

$137K - $237K/yr

A Process Control Engineer designs, implements, and maintains multivariable control applications ... Individual reports to the Process Control Team Leader within the refinery. Responsibilities for ...

Chevron

Process Control Engineer

Richmond, CA

$137K - $237K/yr

A Process Control Engineer designs, implements, and maintains multivariable control applications ... Individual reports to the Process Control Team Leader within the refinery. Responsibilities for ...

Debut Biotech

Staff Process Engineer

San Diego, CA · On-site

Staff Process Engineer Summary The Staff Process Engineer, Downstream Processing (DSP) will take a leading role in the strategy, development, and execution of downstream purification processes for ...

Worley

Senior Process Engineer

Monrovia, CA · On-site

$130K - $191K/yr

Senior Process Engineer Worley Group Monrovia, California Summary or Description Worley is hiring a ... On-site and/or in-refinery experience. * Oil and Gas experience. * Saudi Aramco experience.

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All JobsRefinery Process Engineer JobsRefinery Process Engineer Jobs in California

Refinery Process Engineer information

See California salary details

$70.6K

$135.6K

$229.9K

How much do refinery process engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for refinery process engineer in California is $135,586.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,200.00 and $145,600.00 per year, depending on experience, location, and employer.

What does a refinery process engineer do?

A Refinery Process Engineer is responsible for designing, optimizing, and troubleshooting processes within an oil refinery to ensure efficiency, safety, and regulatory compliance. They analyze data, monitor equipment performance, and recommend improvements to enhance productivity and reduce costs. Additionally, they work closely with operations, maintenance, and safety teams to implement process modifications and resolve technical issues. Their role is crucial in maximizing yield, minimizing energy consumption, and ensuring environmental compliance.

What are some of the typical day-to-day responsibilities for a refinery process engineer?

As a Refinery Process Engineer, your main responsibilities typically include monitoring and optimizing production processes, troubleshooting technical issues, and ensuring compliance with safety and environmental regulations. You may also be involved in analyzing process data, implementing improvements, and coordinating with operations, maintenance, and other engineering teams to maintain efficient plant performance. Your day could involve both desk work—such as process modeling and reporting—and fieldwork in the refinery, observing equipment and working closely with plant personnel. This blend of tasks helps ensure the refinery operates safely, efficiently, and at peak capacity.

What are the key skills and qualifications needed to thrive as a refinery process engineer, and why are they important?

To excel as a Refinery Process Engineer, a strong background in chemical engineering, process optimization, and safety protocols is essential, typically supported by a relevant engineering degree. Proficiency with process simulation software (such as Aspen HYSYS or CHEMCAD), knowledge of distributed control systems (DCS), and familiarity with industry certifications like Six Sigma or Professional Engineer (PE) licensure are highly valued. Problem-solving abilities, strong communication, and teamwork skills help professionals navigate dynamic refinery environments and coordinate with cross-functional teams. These competencies are crucial for ensuring efficient, safe, and compliant operations within complex refinery processes.

What are popular job titles related to Refinery Process Engineer jobs in California? For Refinery Process Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Refinery Process Engineer jobs in California look for? The top searched job categories for Refinery Process Engineer jobs in California are:
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What are popular job titles related to Refinery Process Engineer jobs in CA? For Refinery Process Engineer jobs in CA, the most frequently searched job titles are:
Refinery Process Engineer jobs near you
Infographic showing various Refinery Process Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 15% Part Time, 2% Temporary, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $135,586 per year, or $65.2 per hour.

Process Engineer

Anvil Corporation

Caspar, CA • On-site

Other

Re-posted 6 days ago

Job description

Job Description: JOB SUMMARY
The mid-level process engineer position will learn to master the fundamentals of process design and develop a thorough understanding of how a project is developed. The position will further develop technical skills and be tasked with mentoring and helping junior level engineers in developing their technical skills. The position will act as a peer reviewer of deliverables and issued products, asked to interact with clients on a regular basis and provide guidance to them on how they can develop and improve their projects.

RESPONSIBILITIES AND DUTIES
Work directly with clients and front-line operations staff at operating plants to identify optimization and engineering opportunities, then further develop into projects
Assist in developing process engineering scope of work and project design basis with clients
Interact with Anvil project teams to develop and support projects
Participate in meetings with the client and project team to establish project objectives and to coordinate and/or resolve design problems
Review detailed project design for technical accuracy, compliance and feasibility to governing codes and client requirements
Responsible for using company software tools to report on work status, forecasting, and schedule for projects with process scope

SPECIAL RESPONSIBILITIES
Bring solution to process team members in relation to identified PSV issues/problems

REQUIRED SKILLS AND ABILITIES
Additional operations and design experience is desired in utilities, pipeline, and product terminals
Must be familiar with multiple refinery process operations, troubleshooting, and small project execution
Must have a general knowledge of company, client, and industry codes, specifications, and standards
Understanding of typical refinery project front end loading and detailed design phase engineering
Must have strong written and verbal communication skills, working with internal project discipline and external engineering and operations staff. Must be comfortable making contact with new clients
Ability to estimate, schedule, and develop project scope
Must be familiar with multiple refinery process operations, troubleshooting, and small project execution
Proficient with computerized project management and reporting tools
Ability to perform effectively in a fast-paced work environment with multiple priorities and deadlines
Capable of some travel and remote site assignments.
Applicants must be able to obtain a TWIC card.

SPECIAL REQUIRED SKILLS
Experience in PSV sizing, scenario reviews, mitigation of overpressure scenarios
Experience with iPRSM or similar software
Familiar with process safety reviews and layer of protection analysis
Experience in oil refining

EDUCATION AND EXPERIENCE
Bachelor's Degree in Chemical Engineering
3+ years professional experience – Oil & Gas preferred
PE preferred but not required

PHYSICAL REQUIREMENTS
Able to sit for long periods of time.
Must be able to lift up to 15 pounds at a time
Field trips to job sites (local and/or remote) will be required, so applicant must be open to travel and remote site assignments

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