Senior Water & Wastewater Treatment Engineer

Consor Engineers • Phoenix, AZ

4d • Hybrid

About The Position

Consor Engineers is seeking an experienced, licensed professional engineer to join its Phoenix, Arizona office as a Senior Engineer / Project Manager focused on water and wastewater treatment. The role plans, designs, and delivers treatment facility projects for municipal clients, leading multidisciplinary teams and overseeing project execution from concept through construction. It combines hands-on technical leadership with project management, client relationship management, business development, and mentorship.

The position leads treatment facility projects such as new plants, expansions, and rehabilitation projects, and provides technical guidance on treatment processes and facilities. The engineer serves as a trusted client advisor, supports project pursuits, and mentors developing engineers. The hybrid role alternates between office and field environments. Field conditions may include inclement weather, heat, humidity, noise, construction hazards, atmospheric conditions, and bodies of water, depending on project requirements.

Requirements

• At least 8 years of progressive experience in water and/or wastewater treatment engineering, including facility design.
• Professional Engineer (PE) license.
• Master’s degree in Civil, Environmental, Chemical, or a closely related engineering discipline.
• Proven experience managing engineering projects and leading technical teams.
• Strong technical writing, communication, and client-facing skills.

Nice To Haves

• Experience managing treatment projects through design and construction.
• Experience with treatment process modeling, permitting, and regulatory coordination.
• Knowledge of municipal water and wastewater standards and best practices.
• Ability to balance project management, technical leadership, and mentorship responsibilities.
• Interest in supporting business development and long-term client relationships.

Responsibilities

• Serve as Project Manager and/or Technical Lead for water and wastewater treatment facility projects, overseeing scope, schedule, budget, and quality.
• Lead the planning, design, and evaluation of treatment processes and facilities, including new plants, expansions, and rehabilitation projects.
• Develop and review engineering reports, feasibility studies, process calculations, plans, specifications, and cost estimates.
• Provide technical leadership in filtration, disinfection, biological treatment, solids handling, odor control, and residuals management.
• Coordinate with civil, structural, electrical, mechanical, and instrumentation and controls teams to deliver integrated, constructible treatment solutions.
• Serve as a primary client contact, support client relationships, and help ensure successful project outcomes.
• Support project pursuits through proposal development, scope definition, fee development, and interview participation.
• Mentor and develop junior and mid-level engineers.
• Support quality control and quality assurance processes across treatment projects.

Benefits

• Tuition reimbursement, paid professional training, a major license achievement bonus, an on-demand learning center, and paid professional memberships.
• Industry-competitive PTO, seven paid holidays, two floating holidays, flexible work schedules, and paid parental leave.
• Eligibility for hybrid and remote work options for some employees based on role responsibilities.
• Medical, dental, and vision insurance, an employee assistance program, fitness and wellness reimbursement, and HSA and FSA options.
• Employer-paid short-term and long-term disability insurance and term life insurance.
• 401(k) retirement plan with company match.
• Quarterly social events, paid group volunteering events, and employee networks and groups.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior