Assistant Project Manager- Water/Wastewater

GHD Group Pty Ltd • Irvine, CA

6d • $103,000 - $170,000 • Hybrid

About The Position

GHD is looking for an experienced Assistant Project Manager with a focus in Water/Wastewater planning, design and construction. This is a project-focused role responsible for the management and delivery of projects across the water market sector and can be based out of our Irvine, CA office. Our workplace thrives on a hybrid model, combining in-office collaboration and flexibility. Join us in the office three days a week to contribute, connect and excel in our vibrant environment.

Requirements

• Civil Engineering Degree, Masters Degree preferred
• 7 year's proven experience with solid technical knowledge and skills across the water industry, including a strong background in condition assessment, planning, rehabilitation, and design

Responsibilities

• Manage day-to-day design execution for water and wastewater projects (treatment plants, pump stations, pipelines), coordinating process, civil, structural, mechanical, electrical, and I&C disciplines to deliver on scope, schedule, and budget.
• Support the Project Manager on project planning, work breakdown, staffing plans, earned value tracking, and monthly progress/financial reporting.
• Lead internal design reviews and QA/QC at key milestones (30/60/90/100%), tracking comment resolution and ensuring compliance with client standards and applicable regulations.
• Serve as a primary client contact for technical and design-related questions, prepare meeting agendas and minutes, and manage action items and deliverable logs.
• Coordinate subconsultants and specialty vendors, including scope definition, deliverable review, and invoice approval.
• Develop and maintain design schedules, identify critical-path risks early, and recommend recovery strategies to the PM.
• Manage scope changes, prepare change order justifications, and support contract negotiations and fee estimates for additional services.
• Support construction-phase engineering services, including RFI responses, submittal reviews, and design clarifications.
• Contribute to business development by supporting proposals, SOQs, and scope/fee development for new pursuits.
• Progressively take on independent project management responsibility for small to mid-size projects, with a defined path to a full Project Manager role.
• Support CM services with weekly construction meetings, site inspections and mainly act as Resident project engineer or Construction Manager.

What This Job Offers

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