Process Mechanical Engineering Intern

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Brown and Caldwell

1,001-5,000 employeesFounded 1947Walnut Creek, CaliforniaEnvironmental Services
Actively hiringPaidSummer 2027Environmental Services
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Best applied by Nov 14

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About the role#

The Process Mechanical Engineering Intern role applies academic knowledge to real-world technical challenges. You will support consulting teams on a variety of projects within an assigned technical discipline. Working alongside experienced professionals, you will assist with research, analysis, documentation, and project support. This position provides hands-on learning in a professional consulting environment under the guidance of a supervisor.

What you'll do#

  • Collaborate with multidisciplinary teams to support project planning and execution.
  • Perform technical and operational tasks to support evolving business and team needs.
  • Participate in internal and external meetings by taking notes, tracking action items, and supporting follow-up activities.
  • Manage and deliver assignments on time.
  • Attend and complete Intern Workshops and Intern Summer Series Sessions.
  • Complete an intern capstone project assignment.
  • Attend requested site visits, which may include treatment plants and other industrial facilities to support sampling and condition assessments.

What you'll need#

  • Current enrollment in an accredited undergraduate or graduate degree program in Mechanical Engineering, Electrical Engineering, Civil Engineering, Computer Science, Biology, Chemistry, Physics, Environmental Engineering, or a related field.
  • Continued enrollment in an accredited degree program following the internship.
  • A GPA of 3.0 or higher on a 4.0 scale, or the equivalent.
  • Ability to organize information, maintain documentation, and track tasks with attention to detail.
  • Basic written and verbal communication skills.
  • No prior professional experience is required.

Location & details#

  • Location: Irvine, California, USA.
  • Term: Summer 2027.
  • Modality: On-site.
  • Employment type: Full-time.
  • This position is paid.

About Brown and Caldwell

Brown and Caldwell is an employee-owned firm based in Walnut Creek, California. Founded in 1947, the company focuses on the U.S. water and environmental sectors. It employs over 2,100 professionals across 52 locations. The firm provides engineering, construction, and consulting services to municipal, federal, and private organizations.

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