Senior Managing Engineer, Structural

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McMillen, Inc. is seeking a highly skilled Senior Managing Engineer, Structural with a strong technical background to help deliver exceptional service to our clients. The Senior Managing Engineer will work in a variety of water‑related projects in fields including but not limited to fisheries, fish passage, hydropower, dams, flood control, pump stations, water treatment, storm water, surface water management planning, hydrologic and hydraulic modeling.

McMillen, Inc. designs and builds solutions that shape the future of water resources. As an employee‑owned firm, we take pride in every project because we know our work truly matters. Our people thrive on solving complex challenges, pushing boundaries, and refining their craft. We seek problem solvers, innovators, and experts who are always striving to be better, supporting continuous learning, cutting‑edge technology, and a balanced work‑life environment.

We are focused in the dams, energy, fisheries, natural resources, and infrastructure markets. With staff across the United States, Canada, Europe, and beyond, we bring global best practices to our clients. Our people integrate engineering, environmental, and construction expertise to deliver practical, results‑driven outcomes. From concept to completion, projects are guided through feasibility studies, permitting, design, construction, and commissioning.

• Develop, manage, and maintain client relationships.
• Actively participate in developing relationships with key clients, professional service organizations, and conferences/events.
• Conduct or participate in workshops and meetings with clients.
• Identify project opportunities, actively pursue opportunities, and prepare proposals.
• Consult with clients to plan and develop strategies for their water resource needs.
• Work cooperatively with Practice Leads, Discipline Leads, and Operations Managers in local and national marketing production efforts.
• Conduct a kick‑off meeting with all key stakeholders to announce the start of the project and review the overall project plan and gain consensus.
• Identify high‑level risks, assumptions, and constraints and document them using historical data and expert judgment.
• Manage changes to the project scope, schedule, and costs using appropriate verification techniques to keep the project plan accurate, updated, and reflective of authorized changes.
• Ensure a common understanding by setting expectations in accordance with the Project Plan to align stakeholders and team members.
• Effectively manage multi‑discipline teams for a wide range of water resources projects and tasks.
• Measure project performance using appropriate tools and techniques to monitor progress, identify and quantify variances, perform corrective actions, and communicate to all stakeholders.
• Execute the tasks defined in the project plan to achieve the project goals.
• Identify key project team members by defining roles and responsibilities to create a project organization structure and develop the communication plan.
• Implement approved actions and workarounds required to mitigate project risk events to minimize the impact of the risks.
• Improve team performance by building cohesiveness, leading, mentoring, and training.
• Evaluation and design of water infrastructure projects and other civil engineering support tasks. Design experience should include familiarity with treatment facilities and/or distribution/conveyance facilities.
• Develop detailed designs, plans, and specifications for infrastructure projects, including pipeline storage and pump station design for storm drain, recycled water, and wastewater collection systems.
• Prepare or oversee preparation of planning reports, plans and specifications, and cost estimates for various water, recycled water and wastewater infrastructure projects.
• Manage planning, design and construction support services for water, recycled water and wastewater infrastructure projects (Design Project Manager).
• Design storm water management systems for water quality and quantity control.
• Prepare drainage, soil erosion and sediment control, utility relocation, right‑of‑way,…