Senior Process-Mechanical/Chemical Engineer

Tetra Tech; Portland (OR); On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

Comprehensive benefits

Merit‑based rewards

Flexibility and work/life balance

Learning and development opportunities

Job summary

Glumac, a Tetra Tech company, is seeking a Senior Process-Mechanical/Chemical Engineer to lead design of critical utility systems (PW, cooling water, gas storage, bulk gas, hazardous wastewater) for semiconductor facilities in CA or OR. You will mentor staff, coordinate with clients and authorities, and drive project success.

The role requires a PE license (Mechanical or Chemical), 7+ years in design/construction, and strong proficiency with Navisworks, Bluebeam, Revit, and MS Office.

Qualifications

• Bachelor’s degree in Engineering required.
• Professional Engineering Stamp — Mechanical or Chemical (CA reciprocity preferred).
• 7 years of design/construction experience in the AEC industry.
• Experience leading process system design in a consulting/AE firm.
• Semiconductor/microelectronics, R&D, clean room experience.
• Proficiency with Navisworks, Bluebeam, Revit, and MS Office.
• Authorized to work in the United States full-time; no visa sponsorship.

Responsibilities

• Lead design projects in clean rooms, microelectronics, and fab environments.
• Develop PFDs, P&IDs, and process piping designs.
• Design high-purity water, gas storage/distribution, and wastewater systems.
• Prepare specs and datasheets for process equipment.
• Stamp drawings and calculations for authorities' submissions.
• Coordinate with clients, contractors, and agencies for compliance.
• Provide construction administration support and site visits.
• Mentor and develop a process engineering team.
• Ensure compliance with NFPA and mechanical codes.
• Utilize Navisworks, Bluebeam and Revit for design coordination.
• Drive client satisfaction through project execution and relationships.

Skills

Process piping

PFDs & P&IDs

High-purity water systems

Gas storage & distribution

Wastewater treatment

Team leadership

Design coordination

Navisworks

Bluebeam

Revit

MS Office

Education

Bachelor’s degree in Engineering

Tools

Navisworks

Bluebeam

Revit

Job description

The Opportunity:

Glumac, a Tetra Tech company, is adding a Senior Process-Mechanical/Chemical Engineer to our Semiconductor and Advanced Technology Team based in the California Bay Area or Oregon offices. If you have a strong process or process piping engineering background and a passion for complex system design, this role offers a dynamic career path in cutting-edge facility engineering. Short-term responsibilities include leading designs and supporting construction administration. Long-term growth includes building and leading Glumac’s Process Engineering team – focusing on technical excellence, innovation, and team development.

Position Summary:

As a Senior Process-Mechanical/Chemical Engineer, you will play a critical role in designing and developing systems for semiconductor, science and technology, healthcare, and advanced technology facilities. You will lead the engineering design of key utilities such as ultrapure water, process cooling water, compressed air and vacuum systems, bulk gas storage, and hazardous wastewater collection and treatment. Your leadership will drive technical excellence, project success, and team growth while ensuring the highest quality standards in process-focused design and coordination.

Essential Job Functions:

The following duties are considered essential to the role. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions:

• Lead and manage design projects in clean rooms, fabrication facilities, microelectronics, industrial R&D labs, and hospital environments.
• Develop process flow diagrams (PFDs), piping & instrumentation diagrams (P&IDs), and process piping designs.
• Design high-purity water systems, bulk and specialty gas storage and distribution systems, and hazardous wastewater treatment.
• Prepare technical specifications and datasheets for process equipment.
• Stamp and sign engineering documents including drawings, reports, specifications, and calculations for submission to Authorities Having Jurisdiction.
• Coordinate with external stakeholders, including clients, contractors, and regulatory agencies, to ensure project alignment and compliance.
• Provide construction administration support including submittals, RFIs, and site visits.
• Lead and develop a team of process engineers, providing mentorship and technical guidance.
• Ensure compliance with relevant codes and industry standards, including NFPA, Building, Plumbing, and Mechanical Codes.
• Utilize design coordination software, including Navisworks, Bluebeam, and Revit.
• Drive client satisfaction through effective project execution and strong business relationships.

Required Qualifications:

• Bachelor’s degree in Engineering required.
• Professional Engineering Stamp — Mechanical or Chemical (in CA, or willing to get reciprocity in CA).
• 7 years of experience in design and construction within the AEC industry.
• Experience managing process system design within a consulting engineering or A/E firm.
• Proven expertise in semiconductor, microelectronics, R&D, and clean room environments.
• Strong knowledge of Building and Mechanical Codes, NFPA, and other relevant industry standards.
• Experience leading and developing engineering teams.
• Proficiency in Navisworks, Bluebeam, Revit, and MS Office.
• Applicants must be currently authorized to work in the United States on a full-time basis; this position is not eligible for current or future employment visa sponsorship.

Preferred Qualifications:

• Experience working with Pipe-Flo.
• Strong knowledge of thermal stress analysis and expansion calculations.
• Knowledge of sustainability principles, energy-efficient designs, and energy codes.
• Strong client relationships.
• Familiarity with writing proposals including negotiating fees.

++Work Environment and Location:++

This position offers a hybrid work environment, with a requirement of two in-office days per week in one of our California or Oregon offices. All candidates must be located in and eligible to work in the U.S.

++Compensation:++

Salary Range: $130k-$190k (depending on experience)

The base salary range represents the low and high end of the compensation scale for this role. Actual salaries will be determined based on location, experience, responsibilities, and qualifications. This salary range is just one component of Glumac’s total compensation package, which includes benefits, professional development opportunities, and additional incentives.

Why Glumac, a Tetra Tech Company:

Glumac has been a leader in the sustainable building design industry for over 50 years. In 2017 we joined Tetra Tech, enabling us to combine our expertise with the reach and resources of a prestigious global organization.

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry‑leading experts in engineering and consulting are committed to driving positive change in communities around the world. For nearly 60 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting‑edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact:

Join Glumac, a Tetra Tech company, to make a real difference. Our work leverages cutting‑edge technologies, advanced analytics, and the expertise of world‑class scientists and engineers to create meaningful change around the world. Discover your full potential — join us to advance your career while leaving a lasting legacy.

Life at Glumac, a Tetra Tech Company:

The perks of working at Glumac, a Tetra Tech company, include:

• Comprehensive and market-competitive benefits.
• Merit‑based financial rewards.
• Flexibility and company‑wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

About Tetra Tech:

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high‑end consulting and engineering services for projects worldwide. Our 25,000 employees work together to provide clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

• Organization: 150 GTT