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Water Process Engineer

Carollo Engineers · Boise, ID

Level
Engineer
Team
Process
Degree
Required
Experience asked
90+ years
Industry
Industrial
Posted
Recently

The role in 30 seconds

An engineer-level process role at Carollo Engineers (industrial) in Boise, ID. 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.

They ask for
90+ years · degree required
Tools it names
AutoCAD
Day to day
some off-shift / weekend coverage

Read from the posting. The full description is below.

From the plant jobs report · week of October 19, 2026

Process Engineer roles in Idaho: typical posted base $89k–$134k.

Median of the low and high ends of 5 live postings that list pay, out of 18 process engineer openings in Idaho, read from manufacturers' own careers sites.

Idaho plant jobs report →Pay by team and state →What moves pay →

How this role compares

Against 17 other live process postings in Idaho.

Base pay
Not listed in this posting

Typical $89k–$134k, from 5 postings that list pay.

Experience asked
More than usual (90+ vs 10+)

Similar roles usually ask 10+ years.

Skills these teams ask for most

  • Root cause 28%

✓ = this posting asks for it too. % = share of similar postings that mention it.

It asks for 90+ years. If you're close, apply anyway: requirements are a wish list. Talk to someone doing this work there first.

At a glance

Off-shift / weekend coveragePromotion path mentioned

Pulled from the posting text. If it's not listed here, the posting didn't say.

How to get in at this plant

Five moves over a week or two. The first one takes ten minutes.

  1. 1

    Pick 2–3 people on the Process team at Carollo Engineers

    Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.

  2. 2

    Send a short, curious note

    One real question about their work. No favors yet. Each person gets a different note, written for this role.

  3. 3

    Turn a reply into a short call

    Questions worth asking about this team:

    • What does a normal week look like on your team?
    • Is the work mostly new product launches or sustaining existing lines?
    • How much time do you spend on the floor versus at a desk?
    • How does off-shift and weekend coverage work?
    • How did you land the job? What stood out in your interviews?
  4. 4

    Apply with someone vouching for you

    If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.

  5. 5

    Bring proof to the interview

    One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.

Full description from Carollo EngineersAs posted on their careers site.Show

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

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.

Show full description ↓

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.

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