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Chemical Process Engineer Jobs in Seattle, WA (NOW HIRING)

Infotech Sourcing

Process Engineer III

Kirkland, WA

Minimum Qualifications Master's degree in Chemical Engineering, Chemistry, Materials Engineering, Mechanical Engineering, or equivalent 4+ years of experience in process development. Laboratory ...

Infotech Sourcing

Process Engineer III

Kirkland, WA · On-site

Minimum Qualifications Master's degree in Chemical Engineering, Chemistry, Materials Engineering, Mechanical Engineering, or equivalent 4+ years of experience in process development. Laboratory ...

Helion Energy

Process Engineer, Fuel Cycle

Everett, WA · On-site

$138K - $182K/yr

Bachelor's degree in Chemical, Mechanical, or Nuclear Engineering or equivalent experience in chemical process design or development * 5+ years of experience delivering full-scope chemical ...

Par Pacific

Sr. Process Engineer

Tacoma, WA · On-site

$111K - $143K/yr

Senior Process Engineer The Opportunity * Senior Process Engineer at a Growth-Oriented Energy ... Bachelor's degree in chemical engineering is required. * 5+ years of experience in oil refining is ...

Crane Company

Process Engineer III

Lynnwood, WA · On-site

The Process Engineer III works with minimal supervision and uses originality, ingenuity and ... Material, Chemical, Industrial, or Mechanical * Eligibility Requirement: This position may require ...

kennedyjc

Wastewater Process Engineer

Federal Way, WA · Hybrid

$88K - $147K/yr

Identify physical, chemical, and biological treatment improvements that enhance efficiency ... Experience : 5+ years of relevant wastewater process engineering experience. * Technical knowledge

kennedyjc

Wastewater Process Engineer

Seattle, WA · Hybrid

$88K - $147K/yr

Identify physical, chemical, and biological treatment improvements that enhance efficiency ... Experience : 5+ years of relevant wastewater process engineering experience. * Technical knowledge

ROYELL MANUFACTURING, Inc.

Process Engineer

Everett, WA · On-site

$33 - $38/hr

Description Process Engineer Build Better Processes. Drive Innovation. Help Shape the Future of Aerospace. Location: Royell Manufacturing, Inc. Schedule: Monday - Friday, 7:00 AM - 3:30 PM Pay: $33 ...

New

Par Pacific

Sr. Process Engineer

Tacoma, WA · On-site

$133K - $199K/yr

Senior Process Engineer. The Opportunity: * Senior Process Engineer at a Growth-Oriented Energy ... Bachelor's degree in chemical engineering is required. * 5+ years of experience in oil refining is ...

Royell Manufacturing

Process Engineer

Everett, WA

$33 - $38/hr

Process Engineer Build Better Processes. Drive Innovation. Help Shape the Future of Aerospace. Location: Royell Manufacturing, Inc. Schedule: Monday - Friday, 7:00 AM - 3:30 PM Pay: $33.00 - $38.00 ...

New

Kennedy Jenks

Wastewater Process Engineer

Federal Way, WA · On-site

$88K - $147K/yr

Identify physical, chemical, and biological treatment improvements that enhance efficiency ... Experience : 5+ years of relevant wastewater process engineering experience. * Technical knowledge

Black & Veatch

Sr Wastewater Process Engineer

Seattle, WA · Hybrid

$118K - $153K/yr

Use processes such as physical/chemical primary treatment, conventional activated sludge ... Our Team of over 200 process engineers support water, industrial, next generation agriculture, LNG ...

Just - Evotec Biologics

Process Engineer 2

Redmond, WA · On-site

Process Engineer II Location: Redmond, WA Department: Global MSAT Reports To: Director, GMSAT About Us: this is who we are At Just Evotec Biologics , we believe that curiosity is the spark that ...

Evotec

Process Engineer 2

Redmond, WA · On-site

Process Engineer II Location: Redmond, WA Department: Global MSAT Reports To: Director, GMSAT About Us: this is who we are At Just Evotec Biologics , we believe that curiosity is the spark that ...

Evotecgroup

Process Engineer 2

Redmond, WA · On-site

Process Engineer II Location: Redmond, WA Department: Global MSAT Reports To: Director, GMSAT About Us: this is who we are At Just Evotec Biologics , we believe that curiosity is the spark that ...

Evotec

Process Engineer 2

Redmond, WA · On-site

Process Engineer II Location: Redmond, WA Department: Global MSAT Reports To: Director, GMSAT About Us: this is who we are At Just Evotec Biologics , we believe that curiosity is the spark that ...

Conagra Brands

Process Engineer

Kent, WA

$81K - $95K/yr

Collaborate with Operations, Finance, Engineering, Supply Chain, Maintenance, and other partners ... hiring process. This role may require you to be in our manufacturing facilities. When visiting ...

Infotech Sourcing

Process Engineer V

Kirkland, WA

$144.67/hr

... engineering, Mechanical engineering , Process Engineering, Manufacturing Engineering or related area, or equivalent work experience required. JD: We are looking for a skilled and motivated ...

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All JobsChemical Process Engineer JobsChemical Process Engineer Jobs in Seattle, WA

Chemical Process Engineer information

See Seattle, WA salary details

$51.8K

$115.3K

$184.4K

How much do chemical process engineer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for chemical process engineer in Seattle, WA is $115,309.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,900.00 and $130,300.00 per year, depending on experience, location, and employer.

What does a chemical process engineer do?

A Chemical Process Engineer is responsible for designing, developing, and optimizing processes used in the production of chemicals, fuels, pharmaceuticals, food, and other products. They work to improve efficiency, safety, and sustainability in manufacturing plants by analyzing chemical reactions, equipment, and workflows. Chemical Process Engineers often collaborate with other engineers and technicians to troubleshoot problems and implement new technologies in production systems.

What is the difference between Chemical Process Engineer vs Chemical Production Technician?

AspectChemical Process EngineerChemical Production Technician
CredentialsBachelor's degree in chemical engineering or related fieldAssociate's degree or technical certification in chemical technology
Work EnvironmentDesign, optimize, and oversee chemical processes in labs or plantsOperate and maintain equipment on the production floor
Employer & Industry UsageManufacturing, petrochemical, pharmaceuticals, and energy sectorsChemical manufacturing plants and processing facilities

The Chemical Process Engineer focuses on designing and improving chemical processes, requiring a degree in engineering. In contrast, the Chemical Production Technician handles daily operations and equipment maintenance, often with technical certifications. Both roles are vital in chemical industries but differ in responsibilities, education, and work scope.

What is a chemical process engineer?

A chemical process engineer’s responsibilities cover designing and developing processes for transforming raw materials into marketable products. You can hold a chemical process engineer job in an industry that processes natural gases, paper, pharmaceuticals, plastic, food, and other products. You will analyze procedures, communicate effectively with team members, apply math, science, and engineering concepts, and conduct experiments and report the results. Many types of chemical engineering careers exist in chemical production and manufacturing, mineral processing, oil exploration, sustainable engineering, and alternative energy fields. However, you can find chemical engineers with diverse duties in jobs in nearly every industry that creates a product.

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

To thrive as a Chemical Process Engineer, you need a solid background in chemical engineering principles, process design, and safety regulations, typically supported by a bachelor's degree in chemical engineering or a related field. Familiarity with process simulation software (such as Aspen Plus or HYSYS), knowledge of P&ID development, and relevant certifications like Six Sigma are highly valuable. Strong analytical thinking, problem-solving skills, and effective teamwork and communication abilities help you excel in this role. These skills ensure that processes are efficient, safe, and cost-effective, supporting both operational excellence and regulatory compliance.

What are some typical challenges a chemical process engineer faces when optimizing plant operations?

Chemical Process Engineers often encounter challenges such as balancing production efficiency with safety and environmental regulations, troubleshooting unexpected equipment malfunctions, and integrating new technologies into existing systems. They must collaborate closely with multidisciplinary teams, including operators, maintenance staff, and quality control, to implement process improvements. Staying adaptable and proactive in problem-solving is key to overcoming these challenges while maintaining smooth and cost-effective operations.
More about Chemical Process Engineer jobs
What are the most commonly searched types of Chemical Process Engineer jobs in Seattle, WA? The most popular types of Chemical Process Engineer jobs in Seattle, WA are:
What are popular job titles related to Chemical Process Engineer jobs in Seattle, WA? For Chemical Process Engineer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Chemical Process Engineer jobs in Seattle, WA look for? The top searched job categories for Chemical Process Engineer jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Chemical Process Engineer jobs? Cities near Seattle, WA with the most Chemical Process Engineer job openings:
Chemical Process Engineer jobs near you
Infographic showing various Chemical Process Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $115,309 per year, or $55.4 per hour.

Process Engineer III

Infotech Sourcing

Kirkland, WA

Full-time

Re-posted 27 days ago

Job description

Request ID: 69843-1
Duration:12 months with possible extension
Tax Work Location: US - WA - Redmond
Job Title: Core Engineering - Process Engineer III
Job Description.
We are seeking a detail-oriented, observant, and self-motivated Process Engineer to join our dynamic team at Meta Reality Labs. The successful candidate will be responsible for execution, development, and optimization of innovative physicochemical processes that are core to delivering transformative optical materials for AR/VR applications. You will join an agile team that is laser-focused on incubating winning prototypes and establishing new process capabilities with supply-chain partners. This role involves hands-on laboratory work, collaboration with cross-functional teams, and contributing to continuous process improvements.
Responsibilities
Implement complex standard operating procedures with precision and efficiency, remaining attentive to detail to detect subtle differences that impact process effectiveness.
Design experiments to evaluate process feasibility and optimize process parameters.
Identify and resolve issues in electromechanical systems and equipment used in laboratory processes, involving collaboration with engineering teams.
Collect, document, and analyze data from laboratory experiments and processes; prepare reports and present findings to relevant stakeholders.
Identify opportunities for process improvements and contribute to material innovation.
Minimum Qualifications
Master’s degree in Chemical Engineering, Chemistry, Materials Engineering, Mechanical Engineering, or equivalent
4+ years of experience in process development.
Laboratory experience in handling organic chemicals and solvents, and use of relevant laboratory equipment.
Demonstrated ability to perform design of experiment (DOE) and data analysis.
Excellent data handling, documentation,and organization skills.
Excellent written and verbal communication skills.
Preferred Qualifications
Ph.D. in relevant degree with background in process development.
Knowledge of organic chemistry, crystallization process, and transport phenomena.
Experience with optical metrology and refractive index measurements, e.g. prism coupler.
Experience with slicing, dicing of a material using diamond wire saw.
Experience with polishing with mechanical/chemical polishing methods.
Automating lab equipment using LabVIEW or Java/Python codes.

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