Wastewater Process Engineer and Modeler

carollo· Engineering
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📍 Phoenix, AZ, USFULL TIME

About this role

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 wastewater process modeling, designs, conceptual designs, facility layouts and prepare reports, plans, and specifications under direction of principle engineers and technologists
  • Independently evaluate and apply engineering techniques, procedures, and criteria using judgment in making adaptations and modifications
  • Evaluate and analyze numerous treatment technologies, investigations, surveys, structures, or equipment with basic and complex features
  • Project engineering for wastewater treatment and collection systems
  • Testing materials and processes
  • Report and technical memoranda writing
  • Wastewater process modeling and studies
  • Research investigations and piloting
  • Present work products to clients and at local and national conferences where appropriate
  • May supervise or coordinate the work of technicians, drafters, and others who assist in specific assignments

Qualifications

  • Demonstrated ability in biological, physical, chemical process modeling, hydraulics, and principals of wastewater treatment plant design
  • Ability to communicate effectively with clients and project team and deliver high quality services within budget and schedule constraints.
  • Familiar with codes and regulations related to water pollution control
  • Knowledge of structural and geotechnical design concepts, analytical laboratory techniques, and engineering methodology
  • Master’s degree in civil, environmental, or chemical engineering
  • 5-10 years of wastewater process and design experience in the field of environmental engineering with an emphasis in hydraulics, physical, chemical, and biological treatment processes, and treatment plant design.

Preferred Qualifications

  • Doctorate degree in civil or environmental engineering
  • Wastewater process modeling software including BioWin
  • Publication of peer-reviewed papers
  • Engineer in Training Certification or Passed FE exam

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.

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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Frequently Asked Questions

Is the salary disclosed for the Wastewater Process Engineer and Modeler position at carollo?
The salary for this Wastewater Process Engineer and Modeler role at carollo is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Wastewater Process Engineer and Modeler position at carollo located?
This Wastewater Process Engineer and Modeler role at carollo is based in Phoenix, AZ, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Wastewater Process Engineer and Modeler role at carollo full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Wastewater Process Engineer and Modeler role in the Engineering department at carollo.
Which team or department does the Wastewater Process Engineer and Modeler at carollo belong to?
This Wastewater Process Engineer and Modeler position is part of the Engineering department at carollo. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Wastewater Process Engineer and Modeler position at carollo?
Click the "Apply Now" button on this page. You will be redirected to carollo's official application portal hosted on icims where you can submit your application directly.
When was the Wastewater Process Engineer and Modeler job at carollo posted?
This Wastewater Process Engineer and Modeler position at carollo was posted on Jul 8, 2025. Apply as soon as possible — early applications are often reviewed first.
Wastewater Process Engineer and Modeler
carollo
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