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Salary
≈ $73k – $132k per year (Estimated)
Location
In office (Boise)
Seniority
Middle · 6+ years exp

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Sep 28, 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

  • Work on projects related to municipal water and wastewater treatment plants, including but not limited to major treatment plant expansions, regional water quality studies, and critical water reuse projects that will create sustainable and resilient water supplies for the world
  • Performing engineering work in various engineering fields (water and wastewater treatment infrastructure to include pipelines and pump stations, engineering services, construction management)
  • Work on engineering designs, prepare reports, develop plans, prepare specifications, and cost estimates for various water and wastewater projects, permitting and alternative analysis
  • Check performance or conformity with plans and specifications through field inspection and testing
  • 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

  • Bachelor’s degree in civil or environmental engineering
  • 6 to 12 years of wastewater design experience in the field of environmental consulting engineering with an emphasis in hydraulics, physical, chemical, and biological treatment processes and treatment plant design
  • Registration as a Professional Engineer
  • Ability to effectively apply engineering principles including critical thinking, analysis, and innovative techniques
  • Familiar with codes and regulations related to drinking water
  • Demonstrated ability in physical, chemical, and hydraulic principals of water treatment plant design
  • Knowledge of structural and geotechnical design concepts and analytical laboratory techniques
  • Strong verbal and written communication skills
  • Work well in a team environment
  • Ability to communicate effectively with clients and manage project teams

Preferred Qualifications

  • Master’s degree in civil or environmental engineering
  • AutoCAD experience
  • Experience using water and sewer hydraulic modeling software

Other Compensation and Benefits

Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.

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