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Salary
≈ $41k – $75k per year (Estimated)
Location
In office (Portland)
Seniority
Intern
Visa
H-1B filings in 12 months: 20 · green card filings: 6
Employment
Internship

Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Oct 30, 2026.

Overview
Company
Impact
Profile match
Carollo Engineers is an environmental engineering firm headquartered in Walnut Creek, California, that works exclusively on water, planning and designing water, wastewater, stormwater and water reuse facilities. Founded in 1933, the employee-owned firm serves water agencies, municipalities, utilities and industrial clients from dozens of offices across the US and Canada, including Phoenix, Orlando, Dallas, Seattle, Tampa and Burnaby. It hires civil, environmental and water and wastewater engineers at entry, professional and senior levels, field engineers, stormwater specialists, project managers and engineering interns.

Overview

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.

We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.

Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.

Responsibilities

  • Perform engineering work in various engineering fields (water and wastewater treatment, and engineering services during construction)
  • Work on engineering designs
  • Assist preparing reports
  • Develop plans and specifications, and cost estimates for various projects
  • Check submittals for performance or conformity with plans and specifications
  • Assist with the preparation of technical memoranda, reports and electronic deliverables
  • Data entry and analysis
  • Participate in field activities such as site investigations, and pilot testing

Qualifications

  • High School Diploma or equivalent
  • Currently pursuing a Bachelor’s or Master’s Degree in Civil, Chemical or Environmental Engineering field
  • Strong verbal and written communication skills
  • Proficient in Microsoft Word and Excel

Preferred Qualifications

  • Finishing or completed junior year of college
  • Experience and/or coursework in water/wastewater treatment and conveyance
  • Previous related internship experience a plus, but not required
  • Passed or scheduled for the FE/EIT exam
  • Experience using CAD software (AutoCAD, Microstation, Revit, Sketch Up)

Compensation Range

An employee’s pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

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