Process Engineer Intern
Turn your engineering knowledge into real-world impact.
Harris Group is seeking a Process Engineer Intern to join our Seattle team for Summer 2026. Work alongside experienced engineers on industrial projects across Life Sciences (biopharmaceutical manufacturing, fermentation systems), Renewable Energy, Aerospace Facilities, Ports & Terminals, and Oil & Gas.
What You'll Do:
Support lead Process Engineers in creating project deliverables:
- Develop process flow diagrams (PFDs) and P&IDs
- Create piping and mechanical drawings, design specifications, and equipment data sheets
- Size and select equipment for real manufacturing systems
- Perform mass and energy balances and engineering calculations
- Design utilities systems (compressed air, water, steam)
- Utilize engineering software including Aspentech, AutoCAD, Revit, CADWorx, and Pipeflo
What You'll Gain:
- Hands-on experience on multidisciplinary project teams with Process, Mechanical, Electrical, Automation & Controls, Civil, Structural, and Architectural engineers
- Mentorship and feedback from experienced engineers invested in your development
- Exposure to how process engineering drives complex industrial project success
Requirements:
- Enrolled in a Chemical/Process Engineering program at an ABET-accredited institution
- Expected graduation: 2027
- Minimum 3.0 cumulative GPA
- Ability to work in Harris Group's Seattle office with occasional off-site travel
- Strong communication and collaboration skills
- Proficiency with Microsoft Office
- Previous internship or experience with piping and mechanical systems preferred but not required
Why Harris Group:
Harris Group is 100% employee-owned (ESOP), which means the engineers mentoring you have genuine stake in your development and the quality of work you'll produce together. Bring your innovation and curiosity to a company that values both.
Ready to learn consulting engineering from the inside?
Apply By: January 21, 2026
Summer 2026, Full-time, paid internship, estimated hourly range: $25 -$30
About Harris Group
Founded in 1975, Harris Group Inc. is a multi-disciplinary engineering firm with offices across the US, offering large-firm capabilities alongside small-firm personalization and collaboration. Celebrating its 50th anniversary, Harris Group has built enduring partnerships with Fortune 100 clients, driven by a strong commitment to quality and innovation.
Harris Group thrives on providing expert engineering for some of today’s most complex challenges. We are creative in our approach by delivering multi-discipline services across a wide range of project types. Our successes are directly related to high-quality collaboration, across all offices, expertise, and backgrounds. Harris Group is a 100% Employee-Owned company with our eyes focused on the people in the company, the clients we serve, and the communities in which we live.
Equal Opportunity
Harris Group provides a competitive compensation and benefits package and is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ethnicity, religion, age, sex, sexual orientation, gender identity, disability, protected veteran status, or any other characteristic protected by federal, state or local laws.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
Drug Free Workplace
Harris Group, Inc. is a 100% drug free workplace. For the safety of our employees, customers, and our customer’s facilities, we do a pre-employment drug test and may require random testing to meet specific client needs. Please note that Marijuana, even if prescribed by a physician OR allowed under a state law regulating Marijuana, remains illegal under federal law and is against Harris Group’s policy.