Senior Water & Wastewater Project Engineer

Consor Engineers • Seattle, WA

2d • $155,000 - $187,500

About The Position

The Senior Project Engineer applies technical expertise to plan, design, and deliver water and wastewater infrastructure projects. The role owns key project components, collaborates with multidisciplinary teams, and ensures deliverables meet technical standards, regulatory requirements, and client expectations. It also offers opportunities to take on greater leadership through project management, client engagement, and business development.

The position may serve as a Task Lead, Assistant Project Manager, or Project Manager on larger multidisciplinary projects, including projects and contracts valued at $1M or more. It supports planning, cost estimating, scheduling, quality control, and annual business development and project delivery goals. The projected annual compensation is $155,000–$187,500+, depending on experience and qualifications; compensation above that range may be considered for candidates whose experience and expertise significantly exceed the minimum requirements.

The job primarily operates in a professional office environment and routinely uses standard office equipment. Occasional exposure to noise may occur. The position requires successful completion of applicable pre-employment substance screening and background checks.

Requirements

• 12 or more years of experience in water and wastewater engineering.
• Active Professional Engineer (PE) license.
• Bachelor's degree in Civil, Environmental, Mechanical, or a related engineering discipline.
• Strong understanding of water and wastewater infrastructure design principles and project delivery.
• Excellent communication, coordination, and problem-solving skills.
• Experience working with multidisciplinary project teams and clients.

Nice To Haves

• Basic proficiency with AutoCAD and Civil 3D; preferred but not required.

Responsibilities

• Prepare and review engineering plans, design calculations, specifications, and technical documents for water and wastewater infrastructure projects, including pipelines, pump stations, and treatment facilities.
• Apply applicable engineering standards, regulations, and design criteria to ensure technical accuracy and compliance.
• Coordinate project delivery with internal teams, subconsultants, clients, and regulatory agencies.
• Serve as a Task Lead, Assistant Project Manager, or Project Manager on larger multidisciplinary projects, with opportunities to manage projects and contracts valued at $1M or more.
• Support project planning, cost estimating, scheduling, and quality control throughout the project lifecycle.
• Lead and participate in QA/QC reviews to ensure consistency, quality, and technical excellence across project deliverables.
• Support business development, including client relationship management, proposal preparation, and project pursuits.
• Contribute to securing and delivering approximately $750,000 to $1.25M or more in new work annually.

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, paid parental leave, and 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- and long-term disability insurance and term life insurance.
• Retirement 401(k) 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