Senior Project Engineer Water / Wastewater

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee‑owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career‑defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

Our Northern California Portfolio is currently looking to add a senior engineer with experience in water or wastewater to join our team. Mott MacDonald’s water / wastewater team is actively growing its water practice in California through diverse portfolio water, wastewater, stormwater, green infrastructure and recycled water projects.

The position offers excellent potential for professional growth and the opportunity to collaborate not only with water resources personnel, but with our many practices including dams, geotechnical, energy, and transportation on larger projects. The role will require supporting the project manager in executing water projects; working with design teams comprising Mott MacDonald’s supporting technical disciplines and specialty sub‑consultants.

Responsibilities

• Overseeing technical design deliverables for work packages for infrastructure projects in water / wastewater
• Assists the project manager in managing projects serving as the deputy project manager and / or task / discipline lead for projects.
• Prepares plans, specifications, cost estimates, and calculations for key deliverables.
• Provides design support services during constructions (submittal reviews, RFI’s, change orders, etc.).
• Applies intensive / diversified knowledge of engineering / scientific principals / practices in broad areas of assignment and related fields.
• Coordinates with other disciplines, subconsultants, and other staff throughout the project.

Qualifications

We invite applications from candidates with the following experience.

If you share that vision and don’t have all the experience outlined in this posting, we still want to hear from you! Let’s discuss how we can help you take the next step in your career and how you can participate in an exciting new chapter for Mott MacDonald in North America.

Hybrid working policy : At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well‑being, flexibility, and trust.

Location(s) : San Jose, CA, US

Contract Type : Regular (US only)

Work Pattern : Full Time

Senior Level : Mid‑Senior

Employment Type : Full‑time

Market : Water

Discipline : Water

Job Ref : 9533

Recruiter Contact : Heather Yawger

The expected salary for this position is $131,000 – $161,000. Individual pay is determined based on several factors such as work location, education, experience, and unique skills.

We provide a comprehensive benefit package that includes 401(k), medical, dental and vision insurance, short‑term / long‑term disability, paid holidays, PTO, parental leave and company paid life insurance.

Equal opportunity is the law. We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.

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