Project Engineer; Water​/Wastewater

Posted Friday, August 28, 2026 at 10:00 AM

Haydon is headquartered in Phoenix, Arizona and established in 1991 on a foundation of grit and long-lasting relationships. The company serves a wide scale of markets with its all-in-one construction solutions including:
Building (Commercial), Heavy Civil, Preconstruction, Landscape and Building Information Modeling. Haydon’s unique full-service structure for all major scopes of work enables clients to receive detailed expertise during preconstruction, minimized schedule risk during construction and the best overall value on projects. Haydon offers a full suite of premier modern construction solutions. This includes Earthscapes , a full-service landscaping division, Origin , a modeling and design subsidiary, Desert Infrastructure Services , a manhole rehabilitation services subsidiary, and Omni Electric , an electrical and communication infrastructure construction services company.

Whether it’s the roads we drive on or the buildings we work, shop, learn, play and receive care in, Haydon is the one contractor that serves the entire spectrum of the construction industry – and it does so with heart. The company employs quality, passionate people, innovative technology, an open mind and a can-do attitude to construct projects that serve our entire community.

For more information, please visit  .

The Project Engineer supports the successful execution of water and wastewater construction projects by providing project coordination, technical support, documentation, and financial tracking throughout the project lifecycle. This role works closely with Project Managers, Superintendents, subcontractors, consultants, owners, and field teams to ensure projects are delivered safely, on schedule, within budget, and in accordance with contract requirements, plans and specifications, regulatory standards, and company expectations.

Project Engineer plays a key role in maintaining project organization and supporting the day-to-day management of water and wastewater infrastructure projects. Responsibilities include assisting with RFIs, submittals, procurement, change orders, pay applications, cost tracking, schedule updates, project correspondence, and closeout documentation. The role will also support coordination of field activities and help facilitate communication between project stakeholders to identify issues, maintain accountability, and keep work progressing efficiently.

At Haydon, we don’t just build infrastructure—we build the systems that keep communities healthy, connected, and growing. As a leading water and wastewater contractor, we deliver complex infrastructure projects with precision, efficiency, and an unwavering commitment to safety and quality.

Our work spans critical water and wastewater infrastructure that communities rely on every day. From water and sewer pipelines and pump stations to treatment facilities and other municipal infrastructure, our teams are trusted to execute challenging projects, solve problems in the field, and deliver lasting solutions for our clients.

We are seeking a driven Project Engineer to support the planning, coordination, and successful delivery of water and wastewater construction projects. This role is ideal for someone who thrives in a fast-paced construction environment, is eager to learn, and is motivated to grow within a high-performing team while contributing to projects that make a lasting impact on the communities we serve.

• Assist in the planning, execution, and closeout of water and wastewater construction projects, including pipelines, pump stations, treatment facilities, and related infrastructure.
• Support Project Manager(s) with day-to-day project operations, coordination, and communication with owners, subcontractors, consultants, and field teams.
• Maintain accurate and organized project documentation, including contracts, plans, specifications, submittals, RFIs, change orders, and project correspondence.
• Distribute, track, and maintain project documents to ensure alignment and accountability across…