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.
How to get in at Brown and Caldwell
Securing an internship at Brown and Caldwell requires speed because hiring managers often review applications as they arrive. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first. Early applicants get seen before the pile grows, which helps your resume stand out in a competitive pool. You should also focus on building professional connections before you submit your materials. Intern Insider surfaces the recruiters behind the company's roles so you can reach out directly to ask about the role or a referral. This direct approach materially improves response rates compared to submitting through a general portal.


