Senior Wastewater Process Engineer and Modeler

Carollo Engineers, Inc.Phoenixindeedpublished 07/08/2025
Senior

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

5-20+ 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.

Wastewater process modeling software including BioWin

Preferred Qualifications: Doctorate degree in civil or environmental engineering

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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