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Process Engineer Process Engineer Jobs in Billings, MT

Keystone Engineering Inc.

Process Engineer

Billings, MT · On-site

Keystone Engineering is currently seeking a Process Engineer to join our team as we expand into the Western states. Apply today! Position Type: Full-time Location: Montana, Utah, Washington, and/or ...

Par Pacific

Refining Process Engineer

Billings, MT · On-site

Refining Process Engineer Posting Start Date: 7/8/26 Job Location (Short): Billings, MT, USA, 59101 Refining Process Engineer The Opportunity * Refining Process Engineer at a growth-oriented ...

Kosmos

Sr Process Engineer

Billings, MT

$100K - $150K/yr

Growing Manufacturing Company in Butte, Montana has a need for a Process Engineer. This is a direct hire role with a full benefits package and relocation. Prefer a B.S. in Engineering, and a minimum ...

Eichleay, Inc

Process Engineers

Billings, MT

We are actively building a network of Process Engineers with 5+ years of experience to support increasing project demand across our organization. Positions will be based in Ferndale, WA and ...

Sibanye Stillwater

Process Control Engineer

Columbus, MT · On-site

$80K/yr

Process Control Engineer Location: Columbus, MT Site - Stillwater Mine & East Boulder Mine Schedule: 5x2, 4x3 9hr Shifts Job Responsibilities and Duties: At Sibanye-Stillwater, the Process Control ...

Lonmin

Process Control Engineer

Columbus, MT · On-site

Process Control Engineer Location: Columbus, MT Site - Stillwater Mine & East Boulder Mine Schedule: 5x2, 4x3 9hr Shifts Job Responsibilities and Duties: At Sibanye-Stillwater, the Process Control ...

Stellantis

Resident Engineer

Billings, MT · On-site

$97K - $124K/yr

Engineer process variation reduction * Employ advanced problem-solving expertise to correct unfavorable variances and communicate alternative measures to mitigate engineering, timing and/or financial ...

HDR

Control Systems Engineer

Billings, MT

Interface with Electrical and Process Engineers to fully coordinate design requirements for network, power, control, and instrumentation. * Assist with the selection and specification of process ...

HDR

Control Systems Engineer

Billings, MT · On-site

Interface with Electrical and Process Engineers to fully coordinate design requirements for network, power, control, and instrumentation. * Assist with the selection and specification of process ...

Keystone Engineering Inc.

Sr. Engineer - ME

Billings, MT · On-site

$102K - $141K/yr

We incorporate their individual skills in a process that's geared toward excellence. The ... Keystone Engineering is currently seeking a Sr. Mechanical Engineer to join our team as we expand ...

Keystone Engineering Inc.

Sr. Engineer - CE

Billings, MT · On-site

$102K - $141K/yr

We incorporate their individual skills in a process that's geared toward excellence. The ... Keystone Engineering is currently seeking a Sr. Civil Engineer to join our team as we expand into ...

Keystone Engineering Inc.

Sr. Engineer - EE

Billings, MT · On-site

$105K - $137K/yr

We incorporate their individual skills in a process that's geared toward excellence. The ... Keystone Engineering is currently seeking an Electrical Engineer to join our team as we expand into ...

KLJ

Transmission Engineer II

Billings, MT · On-site

High familiarity with transmission engineering principles, practices, process, design/build, power line and structure modeling, geotechnical data interpretation for foundation/structure design, and ...

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Showing results 1-20

All JobsProcess Engineer Process Engineer JobsProcess Engineer Process Engineer Jobs in Billings, MT

Process Engineer Process Engineer information

See Billings, MT salary details

$48.7K

$90.6K

$140.3K

How much do process engineer process engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for process engineer process engineer in Billings, MT is $90,586.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,300.00 and $101,400.00 per year, depending on experience, location, and employer.

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

AspectProcess EngineerProcess Engineer
CredentialsBachelor's in Engineering or related field, certifications like Six Sigma often preferredBachelor's degree in Chemical, Mechanical, or Industrial Engineering; certifications like Six Sigma are common
Work EnvironmentManufacturing plants, chemical facilities, or production linesIndustrial settings, plant floors, or process development departments
Industry UsageManufacturing, chemical, oil & gas, pharmaceuticalsSimilar industries, often overlapping in chemical, manufacturing, and energy sectors

Both roles focus on optimizing manufacturing processes, ensuring safety, and improving efficiency. They often share similar qualifications and work environments, making them closely related in the industry.

What are popular job titles related to Process Engineer Process Engineer jobs in Billings, MT? For Process Engineer Process Engineer jobs in Billings, MT, the most frequently searched job titles are:
What job categories do people searching Process Engineer Process Engineer jobs in Billings, MT look for? The top searched job categories for Process Engineer Process Engineer jobs in Billings, MT are:
What cities near Billings, MT are hiring for Process Engineer Process Engineer jobs? Cities near Billings, MT with the most Process Engineer Process Engineer job openings:
Process Engineer Process Engineer jobs near you
Infographic showing various Process Engineer Process Engineer job openings in Billings, MT as of August 2026, with employment types broken down into 5% Internship, 85% Full Time, and 10% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $90,586 per year, or $43.6 per hour.

Process Engineer

Keystone Engineering Inc.

Billings, MT • On-site

Full-time

Re-posted 18 days ago

Job description

Keystone Engineering Inc. opened for business in 1988 and for decades, has been a reliable provider of qualified engineering resources and technically innovative solutions. Keystone was founded to be an enduring company, and to provide an environment for our employees and clients to innovate, thrive, and be successful.
Keystone's family of companies include: Milestone Project Services, SIS SILverstone, VeraPro, and Salmon & Associates
Our varied and extensive experience indicates that successful projects come down to personnel. We incorporate their individual skills in a process that's geared toward excellence. The intentional pairing of people and process is the reason why clients know that they can trust their projects in the hands of Keystone. Services Offered: 3D Laser Scanning, Controls & Automation, Construction Management, Design & Drafting, Engineering: Civil/Structural, Electrical, Mechanical, Process, Functional Safety, Information Technology, Instrumentation, On-Site Services, Operations & Commissioning Support, Procurement, Project Management.
Keystone Engineering is currently seeking a Process Engineer to join our team as we expand into the Western states. Apply today!
Position Type: Full-time
Location: Montana, Utah, Washington, and/or Wyoming, USA
Work Environment/Physical Demands: Office/Sedentary
Travel Requirements: Occasional site visits
Essential Functions:
  • Monitor and report on plant operating performance of assigned units including overall plant efficiency, capacity, product yields, catalyst life, emissions, and process safety. Collect field data as required to ensure accuracy of results.
  • Complete performance evaluations and generate recommendations to resolve identified problems found in process equipment including compressors, turbines, heat exchangers, absorbers, strippers, boilers, combustion equipment, and reactors.
  • Provide process optimization, troubleshooting, data analysis, and technical support to the operations organization.
  • Provide detailed engineering support and monitor / expedite assigned jobs through the Management of Change process to ensure timely execution.
  • Evaluate and participate in the development of potential capital improvement projects to increase production capacity, improve energy efficiency, and enhance EHS performance.
  • Prepare and review documents including PFDs, P&IDs, scopes of work, and equipment specifications to support capital improvement project budget authorization requests and approved project execution. Provide detailed written justifications for management approval.
  • Review new operational procedures and conduct training for operations personnel for significant changes.
  • Participate in PHAs, LOPA studies, and incident investigations.
  • Identify and implement solutions to EHS related action items to meet schedule requirements.
  • Assist Maintenance and Operations during turnarounds by providing pre-turnaround process engineering recommendations, assisting in planning specialty work, performing equipment inspections related to process issues, monitoring equipment repairs that can affect the process, coordinating catalyst replacements, and assisting with plant restarts.

Requirements:
  • B.S. degree in Chemical Engineering from an ABET-accredited university.
  • 5-10 years of engineering-related experience.
  • Strong communication skills (written and verbal) required.
  • Self-motivated, organized, and solution advocate.
  • Attention to detail.
  • Applicants must be currently authorized to work in the U.S. for any employer.

Experience Preferred:
  • P.E. License

Equal Opportunity Employer, including disabled and veterans.

Apply