Senior Wastewater Design Engineer – Lead & Innovate

Parsons; United States; On-site; USD 110,000 - 170,000; Full time

Job summary

Parsons seeks a Senior Wastewater Engineer to join our Water and Wastewater team in the United States. This role provides technical leadership and process engineering expertise for municipal, industrial, manufacturing, groundwater, and advanced water treatment projects.

You will support projects from feasibility evaluations to detailed design, procurement, construction, startup, and operational troubleshooting, while collaborating with clients, vendors, and multidisciplinary teams.

Qualifications

• Bachelor's Degree in Engineering (or related field) required.
• Master's degree in Water/Wastewater Engineering preferred.
• 10+ years of progressively responsible design experience.

Responsibilities

• Lead process engineering activities for wastewater projects across multiple sectors.
• Develop and evaluate treatment solutions for contaminants including PFAS.
• Prepare design calculations, reports, and construction documents.
• Coordinate with civil, mechanical, electrical, and other disciplines.
• Mentor junior engineers and support project teams on technical matters.
• Represent Parsons in client meetings and provide technical direction.

Skills

Wastewater design

Process engineering

Feasibility studies

Project management

Leadership

Education

Bachelor's Degree in Engineering

Master's degree in Water/Wastewater Engineering

Tools

CAD

BIM

Job description

Parsons seeks a Senior Wastewater Engineer to join our Water and Wastewater team in the United States. This role provides technical leadership and process engineering expertise for municipal, industrial, manufacturing, groundwater, and advanced water treatment projects.

You will support projects from feasibility evaluations to detailed design, procurement, construction, startup, and operational troubleshooting, while collaborating with clients, vendors, and multidisciplinary teams.