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

Sr. Process Engineer

Tacoma, WA · On-site

$111K - $143K/yr

Senior Process Engineer at a Growth-Oriented Energy Company * Enjoy exposure to Senior Management while providing technical engineering support to refining production. * Work with a team that ...

Sr. Process Engineer

Tacoma, WA · On-site

$133K - $199K/yr

Senior Process Engineer at a Growth-Oriented Energy Company. * Enjoy exposure to Senior Management while providing technical engineering support to refining production . * Work with a team that ...

Senior Process Engineer at a Growth-Oriented Energy Company. * Enjoy exposure to Senior Management while providing technical engineering support to refining production . * Work with a team that ...

Senior Process Engineer

Seattle, WA · On-site

$120K - $135K/yr

BrainChild Bio is seeking to hire a Senior Process Engineer to add to our growing team. This role will provide critical support to technology transfer, process development and manufacturing ...

Senior Process Engineer

Seattle, WA

$118K - $153K/yr

BrainChild Bio is seeking to hire a Senior Process Engineer to add to our growing team. This role will provide critical support to technology transfer, process development and manufacturing ...

Senior Process Engineer

Seattle, WA · On-site

$120K - $135K/yr

BrainChild Bio is seeking to hire a Senior Process Engineer to add to our growing team. This role will provide critical support to technology transfer, process development and manufacturing ...

Senior Process Engineer

Seattle, WA · On-site

$118K - $153K/yr

The Senior Process Engineer is Tract's subject-matter expert for process safety and process design across behind-the-meter (BTM) power solutions supporting large-scale data centers. This role builds ...

As a Senior Process Control Engineer, you will lead the development of the control strategy and automation architecture for Helion's fusion fuel cycle systems. You will work at the intersection of ...

New

Collaborate with silicon process engineers for process development; define experiments and test methods * Manage reliability and failure analysis tests to evaluate impact on products What You Will ...

Collaborate with silicon process engineers for process development; define experiments and test methods * Manage reliability and failure analysis tests to evaluate impact on products What You Will ...

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Showing results 1-20

Senior Process Engineer information

See Seattle, WA salary details

$85.4K

$137.9K

$194.1K

How much do senior process engineer jobs pay per year?

As of Jun 12, 2026, the average yearly pay for senior process engineer in Seattle, WA is $137,911.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,400.00 and $153,200.00 per year, depending on experience, location, and employer.

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.

What are the key skills and qualifications needed to thrive as a Senior Process Engineer, and why are they important?

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 engineers make $300,000 a year?

Senior Process Engineers in industries such as oil and gas, chemical manufacturing, or aerospace can earn $300,000 or more annually, especially with extensive experience, specialized skills, and leadership roles. High compensation often includes bonuses, stock options, or other incentives, and requires advanced technical knowledge and certifications like Six Sigma or PMP.

What does a senior process engineer do?

A senior process engineer designs, develops, and optimizes manufacturing or industrial processes to improve efficiency, safety, and quality. They analyze data, troubleshoot issues, and implement process improvements, often using tools like process simulation software and adhering to safety and regulatory standards. They also mentor junior engineers and collaborate with cross-functional teams to ensure smooth operations.

What engineer makes $500,000 a year?

Senior Process Engineers in specialized industries such as oil and gas, chemical manufacturing, or aerospace can earn salaries approaching or exceeding $500,000 annually, especially with extensive experience, advanced certifications, and leadership roles. High compensation often includes bonuses, stock options, or profit sharing, and requires expertise in process optimization, safety standards, and industry-specific tools.

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 PMP.

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 are the most commonly searched types of Process Engineer jobs in Seattle, WA? The most popular types of Process Engineer jobs in Seattle, WA are:
What job categories do people searching Senior Process Engineer jobs in Seattle, WA look for? The top searched job categories for Senior Process Engineer jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Senior Process Engineer jobs? Cities near Seattle, WA with the most Senior Process Engineer job openings:
Sr. Process Engineer

Sr. Process Engineer

Par Pacific

Tacoma, WA • On-site

$111K - $143K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 19 days ago


Par Pacific rating

8.1

Company rating: 8.1 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

20th of 74 rated oil and gas companies


Job description

Sr. Process Engineer
Posting Start Date: 5/22/26
Job Location (Short): Tacoma, WA, USA, 98421
Job Title: Senior Process Engineer
The Opportunity
  • Senior Process Engineer at a Growth-Oriented Energy Company
  • Enjoy exposure to Senior Management while providing technical engineering support to refining production.
  • Work with a team that includes other engineers specializing in various disciplines to provide process design, process control, and technical support for refinery operations and engineering projects. Areas of support will include crude distillation, hydrotreating, naphtha reforming, isomerization, asphalt blending, sulfur recovery units and refinery utility systems.
  • Expand your skills and experience in a broad role that includes process improvements, capital projects and operational support across all areas of business operations.
  • With a relaxed and results-oriented culture that values work/life balance, we have a high number of long-tenured employees who are flexible at peak times, but overall enjoy reasonable hours.

Reporting to the Process and Controls Supervisor, you will be providing exemplary customer service to our clients. As part of your specific responsibilities, in the following areas, you will:
  • Provide technical support and build/maintain internal partnering relationships with other refinery departments such as Operations, Maintenance, Environmental, Safety, and the Laboratory as well as across Par Pacific's other refinery locations.
  • Perform process design associated with refinery improvements.
  • Provide technical support to refinery operating and maintenance personnel.
  • Perform and/or manage all phases of engineering projects from conceptual studies, process design, cost estimating, detailed engineering, procurement, construction, through startup.
  • Identify and develop refinery improvement projects.
  • Develop economic justification for refinery improvements.
  • Make recommendations for modifications to improve refinery operations.
  • Prepare engineering specifications including instrument specifications, equipment specifications, construction specifications and bid packages.
  • Assist with design and implementation of new distributed control systems (DCSs).
  • Perform process optimization studies.
  • Participate in process hazard analyses.
  • Administer and/or manage assigned refinery engineering/inspection programs.
  • Perform equipment inspections.
  • Solicit and evaluate bids for equipment and construction.
  • Monitor and evaluate process unit performance.
  • Utilize simulation software to identify and debottleneck unit constraints.

The Qualifications
To meet the basic qualification for this role, you will have legal authorization to work permanently in the United States for any employer without requiring a visa transfer or visa sponsorship. To be a good fit for the Senior Process Engineer opportunity, you will have:
  • High School Diploma or GED required.
  • Bachelor's degree in chemical engineering is required.
  • 5+ years of experience in oil refining is required. Experience in distillation, fluid hydraulics, and heat transfer is required. Experience in catalytic/conversion units is preferred but not required.
  • Strengths in process design/simulation and project management are strongly preferred.
  • The ability to independently evaluate, select and apply standard engineering techniques and procedures.
  • Self-motivation and a strong sense of ownership and follow-through.
  • The ability to achieve goals independently and also contribute as a team player.
  • Demonstrated problem-solving skills.
  • Strong organizational and prioritization abilities.
  • Good oral and written communication skills

Note: This description is intended to give you a general overview of the position and is not an exhaustive listing of duties and responsibilities.
About Us
At Par Pacific, we own and operate market-leading energy and infrastructure businesses in logistically complex markets. We have built a team of oil and gas industry veterans and subject matter experts to lead our organization with an entrepreneurial spirit and a collaborative, problem solving approach. We bring our diverse strengths and motivation to complex markets where we seek out diamonds in the rough. As a nimble, growing organization, we actively pursue new opportunities with corporate financing know-how, respond to local market demands, and adapt to changing external environments.
More Good Reasons to work for Par:
Unique Culture
There is nothing ordinary about Par Pacific -- a niche player in the energy space that operates in logistically complex markets. And there's certainly nothing ordinary about Par Pacific people. We are driven, hardworking, entrepreneur-minded professionals that love to win. If that describes you, you'll fit right in.
Location, Location, Location
Because Par Pacific is located in some of the most beautiful places throughout the country, our employees get to make these places their home and enrich their lives. The refinery where you'll work is in the Port of Tacoma, Washington nestled against Commencement Bay and the South Puget Sound with sweeping views of Mt. Rainier.
Opportunistic Growth Strategy
At Par Pacific, we look for operations with strong fundamentals and great employees who can move a business forward. Our management team has deep experience in the energy industry, as well as in leading mergers, acquisitions, and integrations of newly acquired companies.
Excellent Compensation
In addition to a competitive salary, we offer a strong comprehensive benefits package that includes medical, dental and vision insurance; a robust allotment of paid time off; a 401(k) with company match; retirement savings plans; educational reimbursement; and more. Employees can also purchase pure gasoline at street prices.
Hiring Range:
$133,105- $199,658 per year
Benefits:
Full-time employees (and their families) are offered medical (with prescription), dental, vision, voluntary critical illness, accident, life/AD&D insurance, Health Savings Account, Flexible Spending Account. Employees can enroll in our company's 401k plan and are able to purchase company stock at discounted prices. Salaried employees are eligible for Unlimited Paid Time Off and have twelve paid holidays throughout the calendar year.
Other Compensation:
Employee is eligible for an annual incentive program targeted as 15% of annual pay based upon both company financial performance and individual performance to goals.
Keys to Success
We are looking for a highly motivated, self-starter with a positive attitude. Candidates should have a natural thirst for knowledge and curiosity to drive personal and professional development. In addition, in order to be a successful Senior Process Engineer, you will:
  • Effectively combine your process engineering expertise with solid project management skills.
  • Remain flexible as priorities change but keep a sharp eye on deadlines and responsibilities.
  • Keep a calm head in a dynamic and fast-paced environment.
  • Combine analytical skills and creativity in solving problems.
  • Ability to drive change and help others adopt improvements. Your role and the company will continue to evolve, so you'll need to be adaptable.
  • Bring an action orientation and a strong work ethic.

Our Headquarters
Par Pacific Holdings, Inc., based in Houston, Texas, owns, manages and maintains interests in energy and infrastructure businesses. We are a growing energy company focused on renewable and conventional fuels in the Western United States. Par Pacific also owns 46% of Laramie Energy, LLC, a natural gas production company with operations and assets concentrated in Western Colorado. Our common stock is publicly traded on the NYSE under the trading symbol "PARR".
Our Refineries and Logistics Operations
We own and operate refineries in Hawaii, Montana, Washington, and Wyoming, with total operating throughput capacity of over 218 Mbpd. Par Pacific owns and operates one of the largest energy networks in Hawaii with 94,000 bpd of operating refining capacity, a logistics system supplying the major islands of the state and 90 retail locations. In the Pacific Northwest and the Rockies, Par Pacific owns and operates 124,000 bpd of combined refining capacity, related multimodal logistics systems.
Our Retail Operations
We own and operate 90 retail locations in Hawaii under the Hele and 76 brands and 33 retail locations in Washington and Idaho under the nomnom brand.
Par Pacific is an equal opportunity employer
Par Pacific prohibits discrimination and harassment of any type and affords equal employment opportunities to employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status,genetic information or any other status protected by applicable law.
Note: Par Pacific will not accept calls from third-party recruiters. All candidates are required to apply through this web posting.