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Sr Process Engineer Jobs (NOW HIRING)

Senior Process Engineer

Winnemucca, NV ยท On-site

$102K - $132K/yr

Senior Process Engineer Company Overview Lithium Americas is a North American resource and materials company focused on developing, building and operating lithium deposits and chemical processing ...

SR Process Engineer

Odessa, TX

$104K - $135K/yr

The Senior Process Engineer will also assist with proposal and estimating activities for EPC project opportunities/bids. Determines methods and solutions for complex engineering problems and selects ...

Senior Process Engineer

Jaffrey, NH ยท On-site

$100K - $130K/yr

As a Senior Process Engineer and Process Discipline Lead, you will play a pivotal role in advancing regional and global capital investment projects and driving project delivery performance. This ...

Senior Process Engineer

Richland, WA ยท On-site

$108K - $140K/yr

UDR is seeking qualified candidates for a Senior Process Engineer opportunity in Richland, WA. Description Our Federal group is looking for a Senior Process Engineer to support our growing work in ...

Senior Process Engineer

Buffalo, NY

$100K - $130K/yr

Why Join Us | DuPont Careers Senior Process Engineer Make an Impact Where It Matters Most At DuPont, our Senior Process Engineers are critical drivers of operational excellence. In this role, you won ...

Senior Process Engineer

Monrovia, CA ยท On-site

$130K - $191K/yr

Senior Process Engineer Worley Group Monrovia, California Summary or Description Worley is hiring a Senior Process Engineer to join our team in Monrovia, CA. As a global professional services company ...

Sr. Process Engineer

Tacoma, WA ยท 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

Anchorage, AK ยท On-site

$225K - $250K/yr

Donlin Gold is recruiting a Senior Process Engineer for one of the world's largest undeveloped gold deposits, owned and operated by Donlin Gold LLC, which is owned by affiliates of NOVAGOLD Resources ...

Senior Process Engineer

Tempe, AZ ยท Hybrid

$65 - $68/hr

Senior Process Engineer - New Product Introduction (NPI) Location: Tempe, AZ (Hybrid - 4 Days Onsite) Duration: 6-Month Contract Pay Rate: $65-$68 per hour Schedule: Monday-Friday | 8:00 AM - 5:00 PM ...

Senior Process Engineer

Ridgeville, SC ยท On-site

$102K - $133K/yr

Senior Process Engineer As a Senior Process engineer at Redwood you will have the opportunity to make the world a better place by contributing to a wide variety of processes and projects across the ...

Senior Process Engineer

Maumee, OH ยท On-site +1

$90K - $115K/yr

Senior Process Engineer ABOUT US Matrix Technologies, Inc. has been a leading provider of engineering, automation, and systems integration services since 1980. Guided by "The Matrix Way," we value ...

Senior Process Engineer

Milpitas, CA ยท On-site

$100K - $135K/yr

Senior Process Engineer Reports To: General Manager Department Name: Assembly Engineering Location: Silicon Valley Summary: The Senior Process Engineer will perform IC Assembly process development ...

Senior Process Engineer

Milpitas, CA ยท On-site

$100K - $135K/yr

Senior Process Engineer Reports To: General Manager Department Name: Assembly Engineering Location: Silicon Valley Summary: The Senior Process Engineer will perform IC Assembly process development ...

Senior Process Engineer

Philadelphia, PA ยท On-site +1

$104K - $135K/yr

Overview / Responsibilities Senior Process Engineer (Life Sciences) Wood is currently seeking a Senior Process Engineer to join our Life Sciences (Biotechnology / Pharmaceuticals) team within our ...

Senior Process Engineer

Bangor, PA ยท On-site

$92K - $120K/yr

SENIOR PROCESS ENGINEER If you like the idea of leveraging your chemical engineering and project management skills and becoming part of a growing chemical manufacturer and a major supplier of ...

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Sr Process Engineer information

See salary details

$75K

$121.1K

$170.5K

How much do sr process engineer jobs pay per year?

As of Jul 1, 2026, the average yearly pay for sr process engineer in the United States is $121,116.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $134,500.00 per year, depending on experience, location, and employer.

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

To thrive as a Sr Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often with a bachelor's or master's degree and relevant industry experience. Familiarity with process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and knowledge of safety and regulatory standards are typically required. Strong problem-solving, project management, and communication skills help distinguish top performers in this role. These skills and qualifications are vital for optimizing processes, ensuring efficiency and safety, and driving continuous improvement in complex manufacturing environments.

What are Sr Process Engineers?

Senior Process Engineers are experienced professionals responsible for designing, optimizing, and overseeing the processes used in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and implement improvements to increase efficiency, reduce costs, and ensure product quality. Sr Process Engineers often lead teams, manage projects, and work closely with other departments such as quality assurance, maintenance, and operations. Their expertise is crucial in industries like chemicals, pharmaceuticals, oil and gas, and food processing. They typically hold a degree in engineering and have several years of experience in process engineering roles.

How does a Sr Process Engineer typically collaborate with cross-functional teams to improve manufacturing efficiency?

Sr Process Engineers work closely with teams such as production, quality assurance, maintenance, and R&D to identify areas for process optimization. They often lead or participate in cross-functional meetings to gather data, analyze workflow bottlenecks, and implement solutions that enhance efficiency and product quality. Effective communication and project management skills are essential, as Sr Process Engineers must balance technical requirements with practical constraints while ensuring all stakeholders are aligned with proposed changes.

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

AspectSr Process EngineerProcess Engineer
QualificationsBachelor's degree in engineering, 5+ years experience, certifications like Six SigmaBachelor's degree in engineering or related field, 1-3 years experience
ResponsibilitiesLead process improvements, optimize manufacturing processes, mentor junior staffAssist in process development, data collection, support process optimization
Work EnvironmentManufacturing plants, industrial facilities, cross-functional teamsManufacturing settings, engineering teams, project-based tasks

The main difference between a Sr Process Engineer and a Process Engineer lies in experience, responsibility level, and scope of work. The Sr Process Engineer typically leads projects, mentors others, and has more advanced qualifications, while the Process Engineer supports and executes process improvements under supervision.

More about Sr Process Engineer jobs
What cities are hiring for Sr Process Engineer jobs? Cities with the most Sr Process Engineer job openings:
What states have the most Sr Process Engineer jobs? States with the most job openings for Sr Process Engineer jobs include:
Infographic showing various Sr Process Engineer job openings in the United States as of June 2026, with employment types broken down into 2% Locum Tenens, 55% Full Time, 2% Part Time, and 41% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $121,116 per year, or $58.2 per hour.

Senior Process Engineer

Lithium Americas

Winnemucca, NV โ€ข On-site

$102K - $132K/yr

Full-time

Posted 16 days ago


Job description

Lithium Americas is a North American resource and materials company focused on developing, building, and operating lithium deposits and chemical processing facilities. The company's flagship asset, Thacker Pass, is located in Humboldt County in northern Nevada and is the world's largest known measured lithium source and reserve. We are focused on safely and responsibly developing Thacker Pass to production to help strengthen national security and enable cleaner energy sources. We are committed to minimizing environmental impact, creating family-supporting jobs, and maximizing sustainable value for our stakeholders.
Senior Process Engineer
Company Overview
Lithium Americas is a North American resource and materials company focused on developing, building and operating lithium deposits and chemical processing facilities. The company's flagship asset, Thacker Pass, is located in Humboldt County in northern Nevada and is the world's largest known measured lithium source and reserve. We are focused on safely and responsibly developing Thacker Pass to production to help strengthen national security and enable cleaner energy sources. We are committed to minimizing environmental impact, creating family-supporting jobs and maximizing sustainable value for our stakeholders.
Lithium Americas is headquartered in Vancouver, British Columbia and operates in the U.S., with offices in Reno, NV and Winnemucca, NV. The Company's shares are listed on the Toronto Stock Exchange (TSX) and New York Stock Exchange (NYSE) under the symbol LAC.
Our Purpose, Vision and Values
Our purpose, vision and values are the guiding principles that will serve as the cornerstone of our company's future direction and operations, aligning our team and organization towards our common goals.
Our Purpose is to safely and sustainably produce lithium from Thacker Pass to enable North America to reduce dependence on foreign critical minerals and drive value for our stakeholders.
Our Vision is to be North America's leading lithium producer to enable cleaner energy sources.
Our Values include Act with Integrity, Be Responsible and Act with Care, Commit to Excellence and Drive Innovation, and Be a Collaborative Partner.
Role Overview
We are seeking a Senior Process Engineer to join our Engineering team. In this role, you will be responsible for leading and supporting Lithium Americas' efforts in safely and effectively building, commissioning, and operating the sulfuric acid plant and lithium processing facilities at Thacker Pass. This position plays a critical role in providing advanced technical leadership and process engineering expertise to plant operations, ensuring safe, reliable, and efficient performance across chemical processing systems and unit operations associated with sulfuric acid production and lithium processing.
The Senior Process Engineer will serve as a key technical authority for our processing facilities, leading troubleshooting efforts, guiding process optimization, and driving continuous improvement initiatives. The successful candidate will demonstrate strong leadership and communication skills, a proven track record of solving complex process challenges, and deep familiarity with sulfuric acid production and chemical processing systems. This role is instrumental in establishing and advancing operating practices that support stewardship, safety, quality, and overall plant performance.
The role is based at Thacker Pass and reports to the Site Engineering Manager. Occasional travel to other Lithium Americas offices, business units, engineering partners, or vendor locations may be required.
Responsibilities
  • Provide leadership of and promote Lithium Nevada's safety-first culture. Ensure strict compliance with OSHA and MSHA regulations as well as Lithium Nevada's site-specific safety program. Perform all engineering activities with a safety-first mindset. Promote and foster employee "stop work" authority. Identify, report and mitigate safety hazards and observations as part of daily activities and safety walks. Champion safety standards and promote communication and accountability within all production areas. Support pre-commissioning, commissioning, and start-up activities for the Thacker Pass Mine and Lithium Processing Facility in close coordination with Mining, Commissioning, and Start-Up teams.

  • Lead pre-commissioning, commissioning, and start-up activities for the Thacker Pass Sulfuric Acid Plant and Lithium Processing Facility in coordination with the Commissioning and Start-Up team

  • Provide advanced technical leadership and day-to-day process engineering support to Operations, including complex troubleshooting and process optimization

  • Analyze and interpret process data and trends from DCS historians to identify root causes and implement sustainable solutions

  • Lead and manage capital projects focused on improving safety, throughput, and operational efficiency

  • Oversee contractors and cross-functional teams executing maintenance and sustaining projects, ensuring alignment with safety and operational standards

  • Provide technical mentorship and guidance to engineers, operators, contractors, and consultants

  • Champion and drive a strong safety culture, ensuring compliance with environmental and regulatory requirements

  • Develop and implement systems to track, measure, and improve plant performance, productivity, and asset utilization

  • Build and maintain strong cross-functional relationships while reinforcing Lithium Americas' Purpose, Vision, and Values

  • Support development and continuous improvement of operating procedures, standards, and best practices

  • Other duties as assigned

Requirements
  • Bachelor's degree in Chemical Engineering, Mechanical Engineering, or a related field

  • 10-15+ years of experience in process engineering within a chemical processing or similar industrial environment

  • Demonstrated experience supporting or leading plant commissioning, start-up, and operations

  • Strong expertise in chemical process engineering principles, unit operations, and process optimization

  • Familiarity with OSHA Process Safety Management (PSM) and/or MSHA regulations preferred

  • Proven leadership experience, including mentoring engineers and influencing cross-functional teams

  • Strong analytical and problem-solving skills with the ability to manage complex technical challenges

  • Ability to manage multiple projects and priorities in a fast-paced, dynamic environment

  • Excellent verbal and written communication skills, with the ability to effectively engage stakeholders at all levels

  • Proficiency in Microsoft Office 365 applications (Word, Excel, Outlook, Project, Teams, etc.)

  • Experience with DCS control systems and data historian platforms

  • Self-motivated with the ability to work independently and drive initiatives forward

  • Strong interpersonal skills with a collaborative mindset

  • Personal commitment to Lithium Americas' Purpose, Vision, and Values

Working at Lithium Americas
At Lithium Americas, we believe our people are our most valuable asset. We offer a collaborative and inclusive work environment, with opportunities for long-term growth and skills development.
We are committed to building a diverse and respectful workplace and strongly encourage applications from individuals of all backgrounds.
Equal Opportunity Statement
Lithium Americas is an Equal Opportunity Employer. We do not discriminate based on race, gender, disability, age, veteran status, religion, sexual orientation, or any other protected status. All qualified applicants will receive consideration for employment.