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Principal Process Engineer Jobs (NOW HIRING)

Jobtailor

Principal Process Engineer

Dublin, OH · On-site

$120 - $160/hr

Provide specialized technical guidance to process engineering staff * Provide specialized technical guidance to process engineering staff * Serve as a technical reviewer for process engineering ...

Werfen

Principal Process Engineer

Bedford, MA · On-site

$150K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Using Engineering procedures standard for research and development, carries out assignments associated with research, design, development, support or manufacturing of specific parts, processes ...

Baxter Healthcare

Principal Process Engineer

Round Lake, IL · On-site

$112K - $154K/yr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Automation engineer that supports process and automation improvements in a manufacturing site. Resources will collaborate with Manufacturing, Operational Excellence, and Quality to drive improved ...

Codexis

Principal Process Engineer

Redwood City, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a highly experienced and innovative Process Engineer to support process development activities for Codexis' Enzyme Catalyzed Oligonucleotide (ECO) Synthesis manufacturing platform ...

Werfen

Principal Process Engineer

Bedford, MA

$150K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Using Engineering procedures standard for research and development, carries out assignments associated with research, design, development, support or manufacturing of specific parts, processes ...

Werfen

Principal Process Engineer

Bedford, MA · On-site

$150 - $165/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Using Engineering procedures standard for research and development, carries out assignments associated with research, design, development, support or manufacturing of specific parts, processes ...

Werfen

Principal Process Engineer

Bedford, MA · On-site

$150K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Using Engineering procedures standard for research and development, carries out assignments associated with research, design, development, support or manufacturing of specific parts, processes ...

Baxter

Principal Process Engineer

Round Lake, IL · On-site

$112K - $154K/yr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Automation engineer that supports process and automation improvements in a manufacturing site. Resources will collaborate with Manufacturing, Operational Excellence, and Quality to drive improved ...

Baxter Healthcare

WI · On-site

$112 - $154/hr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Automation engineer that supports process and automation improvements in a manufacturing site. Resources will collaborate with Manufacturing, Operational Excellence, and Quality to drive improved ...

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Principal Process Engineer information

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$87K

$150.1K

$182.5K

How much do principal process engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for principal process engineer in the United States is $150,082.00, according to ZipRecruiter salary data. Most workers in this role earn between $130,000.00 and $169,500.00 per year, depending on experience, location, and employer.

What is a principal process engineer?

A Principal Process Engineer is a senior-level engineering professional responsible for designing, optimizing, and overseeing industrial processes within a company. They lead complex projects, provide technical guidance to engineering teams, and ensure that processes meet safety, quality, and efficiency standards. Principal Process Engineers often collaborate with other departments to implement process improvements and solve technical challenges. Their expertise is crucial in industries such as chemical, manufacturing, oil and gas, and pharmaceuticals.

What is a principal process engineer?

A principal process engineer works with a team to analyze the efficiency of company processes and identify potential improvements. In this career, you usually work in a large production or manufacturing facility. You must have excellent technical, organizational, and analytical skills. Your job duties include helping management in the development of schedules, budgets, or guidelines for your department, overseeing other engineers, collaborating to support process solutions, and creating simulations, diagrams, and project plans. You also use engineering computer software to design process plans and review data to calculate constant improvements. Qualifications for a career as a principal process engineer include a bachelor's degree in engineering.

What are the key skills and qualifications needed to thrive as a principal process engineer?

To thrive as a Principal Process Engineer, you need deep expertise in chemical or process engineering, advanced problem-solving skills, and typically a relevant engineering degree with substantial industry experience. Familiarity with process simulation software (such as Aspen HYSYS or CHEMCAD), Six Sigma or Lean certifications, and knowledge of regulatory standards are important technical assets. Leadership, effective communication, and project management skills distinguish top performers in this role. These competencies ensure efficient process design, regulatory compliance, and successful cross-functional collaboration on complex engineering projects.

How does a principal process engineer typically collaborate with cross-functional teams during large-scale projects?

A Principal Process Engineer often acts as a key liaison between engineering, operations, project management, and quality assurance teams. They lead process design reviews, facilitate technical discussions, and ensure that project deliverables align with organizational goals and regulatory standards. Effective communication and coordination are essential, as they guide multidisciplinary teams through troubleshooting, optimization, and implementation phases. This collaborative role ensures that process improvements are feasible, cost-effective, and sustainable across the project lifecycle.

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

AspectPrincipal Process EngineerProcess Engineer
CredentialsBachelor's/Master's in Chemical, Mechanical, or Industrial Engineering; extensive experienceBachelor's degree in Engineering; entry to mid-level experience
Work EnvironmentLead projects, oversee process design, and mentor teams in manufacturing or chemical plantsAssist in process design, troubleshooting, and optimization under supervision
Industry UsageCommon in large manufacturing, chemical, and oil & gas companiesFound across various industries including manufacturing, pharmaceuticals, and energy

The Principal Process Engineer typically holds advanced credentials and leads complex projects, focusing on strategic process improvements. In contrast, the Process Engineer is more involved in supporting and executing process tasks. Both roles are essential in process industries, but the Principal Process Engineer operates at a higher level of responsibility and expertise.

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Principal Process Engineer jobs near you
Infographic showing various Principal Process Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $150,082 per year, or $72.2 per hour.

Principal Process Engineer

Jobtailor

Dublin, OH • On-site

$120 - $160/hr

Other

Posted 13 days ago

Job description

Provide specialized technical guidance to process engineering staff
  • Provide specialized technical guidance to process engineering staff
  • Serve as a technical reviewer for process engineering deliverables
  • Support project teams in the development and evaluation of process designs and safety concepts
  • Provide mentorship and coaching to less experienced engineers
Requirements
  • Bachelor of Science in Chemical engineering from an ABET accredited program
  • 20+ years of experience in engineering design, chemical manufacturing, and/or food and beverage manufacturing
  • Familiar with capital projects execution in a manufacturing environment
  • Experience performing pressure relief device sizing and pressure relieving system evaluations
  • Experience selecting and specifying process instrumentation
Core Competencies

Demonstrates extensive expertise in chemical engineering design and process evaluation, with a strong focus on mentoring and guiding engineering teams. Proficient in pressure relief device sizing and process instrumentation selection within manufacturing environments.

Highest-signal resume keywords
  • Bachelor Of Science In Chemical Engineering
  • 20+ Years Of Experience In Engineering Design
  • Pressure Relief Device Sizing
  • Process Instrumentation Selection
  • Capital Projects Execution
ATS Optimization KeywordsHard Skills
  • Engineering Design
  • Chemical Manufacturing
  • Food And Beverage Manufacturing
  • Process Design Evaluation
  • Safety Concepts Development
Soft Skills
  • Mentorship
  • Coaching
  • Technical Guidance
Industry Keywords
  • Process Engineering
  • Pressure Relieving System Evaluations
  • Manufacturing Environment
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