Summer 2026 Intern (Strategic Specialty - Automation, Architecture & Building Mechanical)

Embrace Your Possibilities: At Brown and Caldwell, an environmental engineering firm, we’re unlocking the potential of water and healthy environments to create thriving communities. Delivering this shared purpose starts with our people: We recruit individuals seeking to develop their skills and gain experience to build a strong foundation for the future. Through an internship at Brown and Caldwell, you’ll gain real-life, hands-on experience alongside our employee owners, engineers, scientists, consultants, and constructors who are driving positive changes for our clients and communities. Here you’ll find opportunities for impact, community that lifts, support to thrive, and trust in you as you embark on your career journey.

So, what’s possible for you?

Brown and Caldwell offers Summer Internship opportunities to spend a summer working with our team to support the Strategic Specialty Group. We are seeking an individual interested in gaining practical, hands-on experience outside of the classroom. We promise a collaborative environment where you will grow as a professional under the guidance of your people manager and team and be trusted to support project objectives. Our work is interesting, challenging, wide-ranging in nature, and impactful for the communities we live in. We invite you to embrace your possibilities and join us to learn and develop with our team of nationally recognized experts!

How Will You Make an Impact?

Interns at Brown and Caldwell make a daily, material impact by completing support duties to advance their team’s projects and objectives. They receive professional training and the support of their team. Interns can expect to be onboarded, mentored, and developed by industry leaders to develop real-life skills and make an impact on their assigned projects.

As a Summer Intern, you can expect your experience to include the following:

• Collaborate closely with project managers, engineers, designers, and BIM leads to execute work on water and wastewater treatment and conveyance infrastructure projects.
• Assist in the preparation of engineering and design deliverables including drawings, specifications, technical memoranda, reports, schedules, and figures.
• Communicate effectively and coordinate with multidisciplinary project teams (, drafters, designers, engineers).
• Perform edits and updates in Revit and AutoCAD models based on engineering changes and markups.
• Participate in the full project lifecycle, including design, documentation, and construction support.
• Conduct field work such as site investigations and construction observations as needed.
• Support data-related tasks including entry, analysis, visualization, and documentation to inform design decisions.
• Check design deliverables for consistency, readability, and adherence to standards and specifications.
• Provide engineering services during construction, including performance checks and conformity assessments.
• Manage and deliver assignments on time, demonstrating strong organizational and time management skills.
• Complete an Internship Capstone project demonstrating skill development, learning, and accomplishments gained during the summer internship experience.

Work schedule and location: Summer Interns with Brown and Caldwell work a full-time schedule of 40 hours a week and may have the potential for hybrid work schedules and fieldwork

Desired Skills and Experience:

What Must Our Candidate Have? (Required)

• To qualify for an internship, you must be enrolled as a student seeking a degree in engineering (Structural Engineering, Mechanical Engineering, Environmental Engineering, Electrical Engineering, Chemical Engineering, or a related field), science, geology, or a related field.
• You must be enrolled for the 2025–2026 academic year and plan to continue in Fall 2026.
• You also must maintain a minimum cumulative GPA of on a scale.

Salary Range: The hourly pay range for this position is based on the employee’s primary work location and may be more or less depending upon skills, experience, and education. These ranges may be modified in the future.

Location A:
Hourly $ - $

Location B:
Hourly $ – $

Location C:
Hourly $ – $

You can view which BC location applies to you If you have any questions, please speak with your Recruiter.

Benefits and Other Compensation: We provide a comprehensive benefits package that promotes employee health, performance, and success which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time off and parental leave, paid holidays, 401(k) retirement savings plan with employer match, performance-based bonus eligibility, employee referral bonuses, tuition reimbursement, pet insurance and long-term care insurance. Click to see our full list of benefits.

About Brown and Caldwell

Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction firm with 50 offices and 2,100 professionals across North America and the Pacific. For 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice—to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation. Join us, and you will find a home where you can do your best work, reach new levels of expertise, and enjoy exceptional development opportunities. For more information, visit

This position is subject to a pre-employment background check and a pre-employment drug test.

Notice to Third Party Agencies: Brown and Caldwell does not accept unsolicited resumes from recruiters or employment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement and approved engagement request with Brown and Caldwell, Brown and Caldwell reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Brown and Caldwell is proud to be an EEO/AAP Employer. Brown and Caldwell encourages protected veterans, individuals with disabilities, and applicants from all backgrounds to apply. Brown and Caldwell ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act

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