Process Engineer 5 - Senior level

WesTech Engineering, LLC.; Salt Lake City, Northern (UT, KY); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Competitive salary and bonuses

401K match

Hybrid work options

Health and wellness benefits

HSA contribution

PTO & holidays

Tuition reimbursement

Job summary

WesTech Engineering, LLC. is seeking a Senior Process Engineer to support our Process Engineering team in delivering industrial water and wastewater solutions across the project lifecycle.

The role requires leading process design, troubleshooting, and technical analysis while collaborating with sales, lab, and engineering teams. Responsibilities include pilot testing, process validation, and supporting proposals.

Qualifications

• Bachelor’s degree or higher in a relevant engineering discipline.
• 15+ years of relevant process engineering experience.
• Strong process design fundamentals, including mass balances, PFDs, and equipment sizing.
• Experience supporting proposals and leading technical process discussions.
• Demonstrated competency with water chemistry.
• Strong communication, analytical, problem-solving, and cross-functional collaboration skills.

Responsibilities

• Prepare process flow diagrams, mass balances, project specifications, and technical drawings including PFDs, P&IDs, and hydraulic profiles.
• Perform process calculations including equipment sizing, chemical reactions, chemical dosing, and other advanced calculations.
• Apply engineering practices with competitive rationale to position projects for success.
• Support proposal development, including scope definition, process descriptions, equipment lists, and technical discussions with customers and sales teams.
• Develop advanced treatment solutions focusing on membranes, re-use, and high-recovery systems.
• Participate in pilot testing, feasibility evaluations, bench-scale testing, and process validation.
• Support commissioning, troubleshooting, start-up, RFIs, site process audits, and field technical analysis.
• Write and review process performance guarantees, improve tools and workflows, and prepare technical content for conferences and trainings.
• Communicate with customers and internal teams while mentoring junior engineers.
• Office-based role with collaboration across sales, laboratory, engineering, and project teams.
• Travel approximately 25% for site visits, conferences, sales support, testing, and start-up or commissioning support.

Skills

Process design

Mass balances

PFDs & P&IDs

Equipment sizing

Water chemistry

Proposal support

Cross-functional collaboration

Project management

Mentoring junior engineers

Education

Bachelor’s degree in Chemical, Environmental, Mechanical, or Civil Engineering

Advanced degree in Chemical, Environmental, Mechanical, Civil Engineering

Tools

Process design modeling software

Technical tools

Job description

Our mission at WesTech is to help communities thrive by delivering high-quality water solutions with superior service – safely and sustainably. To achieve this mission, we recruit great people to be part of our collegial and collaborative teams in engineering, design, project management, field service, plant operations, professional services and more.

Summary

WesTech Engineering has an immediate opening for a Senior Process Engineer to support our Process Engineering team. This experienced-level role focuses on developing and supporting technical solutions for industrial water and wastewater treatment applications across the project lifecycle, including early-stage opportunity development, proposal generation, and execution support. The Senior Process Engineer performs a full range of assignments including process design, troubleshooting, technical analysis, field support, proposal support, customer engagement, and other tasks as assigned. This position requires the ability to work independently while collaborating across sales, laboratory, and engineering teams to deliver technically sound and commercially competitive solutions.

Candidates for this position may be required to pass pre-employment and periodic screenings, including background checks, drug and alcohol tests, or other necessary assessments.

Some of the work you will do:

• Prepare and review preliminary and finalized process flow diagrams, mass balances, project specifications, and technical drawings including PFDs, P&IDs, and hydraulic profiles.
• Perform process calculations including equipment sizing, chemical reactions, chemical dosing, and other advanced calculations.
• Apply generally accepted engineering practices and principles with competitive and strategic rationale to help position projects for success.
• Support proposal development, including scope definition, process descriptions, equipment lists, proposal review, and technical discussions with customers and sales teams.
• Develop and design advanced treatment solutions with a focus on membrane systems, re-use, high-recovery systems, and other complex applications.
• Participate in pilot testing, feasibility evaluations, bench-scale testing, process validation, and interpretation of results.
• Support commissioning, troubleshooting, start-up, RFIs, site process audits, and field technical analysis.
• Write and review process performance guarantees, improve tools and workflows, and prepare technical content for conferences, internal trainings, and sales support.
• Communicate with customers and internal teams while supporting and mentoring junior engineers.
• Office-based role with collaboration across sales, laboratory, engineering, and project teams.
• Travel approximately 25% for site visits, conferences, sales support, testing, and start-up or commissioning support

Here are the skills that you need:

• Bachelor’s degree in Chemical, Environmental, Mechanical, or Civil Engineering, or equivalent experience.
• 15+ years of relevant process engineering experience.
• Strong process design fundamentals, including mass balances, process flow diagrams, and equipment sizing.
• Experience supporting proposals and leading technical process discussions.
• Demonstrated competency and capability with water chemistry.
• Strong communication, analytical, problem-solving, and cross-functional collaboration skills.
• Ability to successfully manage multiple projects and work independently while collaborating with internal teams.

Here are the skills and qualifications that will set you apart:

• Advanced degree in Chemical, Environmental, Mechanical, Civil Engineering, or a related field.
• Experience with membranes including UF, NF, and RO systems; thermal technologies including evaporators and crystallizers; re-use; high-recovery systems; and other complex treatment technologies.
• Experience with bench-scale testing, pilot testing, feasibility evaluations, process validation, and interpretation of testing results.
• Proficiency using process design modeling software, technical tools, and advanced calculation methods.
• Experience preparing and presenting technical content for conferences, internal trainings, and sales support.

Physical Requirements:

• Ability to perform tasks while in a sedentary position using a computer and phone.
• Frequently required to engage in talking, hearing, and visual focus.
• Regularly required to move throughout the facility, with reasonable accommodations available for individuals with disabilities.
• Occasionally required to lift and/or move up to 50 pounds.

Benefits and perks we offer:

• Competitive salary and performance-based annual bonuses.
• Dollar for dollar 401K match of 6%.
• Flexible work hours, hybrid schedules with remote work options.
• Comprehensive health and wellness benefits package with an onsite and virtual medical facility
• Company HSA contribution, Paid Parental Leave, Employee Assistance Program
• Company-paid Life Insurance, Accidental Death and Dismemberment, and Long-term Disability.
• PTO plan and Paid Holidays.
• Tuition Reimbursement.
• Company celebrations, summer parties, volunteer opportunities, games, prize drawings, and more!

WesTech considers all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Equal Opportunity Employer

This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.