Senior Project Manager, Water ​/ Wastewater

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Professional Houston, TX, US

8 days ago Requisition

Lead the Infrastructure That Shapes Communities

At HR Green, our mission is simple:
Building Communities. Improving Lives.

For more than 110 years, we've partnered with municipalities, utilities, and public agencies to deliver infrastructure solutions that strengthen communities and improve quality of life. Today, we're proud to be consistently ranked on Engineering News-Record's Top 500 Design Firms list while also earning recognition as a Best Place to Work
.

We're seeking a Senior Project Manager to join our growing Water & Wastewater Practice in Houston. This is an exciting opportunity for a seasoned engineering leader to drive the delivery of complex infrastructure projects, strengthen strategic client partnerships, mentor high-performing teams, and play a key role in the continued growth of our Texas practice.

From major water treatment and distribution systems to wastewater collection, pumping, and treatment facilities, you'll lead projects that improve public health, support sustainable growth, and create lasting impact throughout the communities we serve.

If you're an accomplished engineering professional who enjoys developing people, expanding client relationships, and leading meaningful infrastructure projects from pursuit through construction, we'd love to talk with you.

As a Senior Project Manager, you'll serve as both a strategic client advisor and technical leader, overseeing the successful delivery of complex water and wastewater projects while helping shape the continued growth of HR Green's Water Practice.

• Lead large, complex water and wastewater infrastructure projects from planning through design, construction, and project closeout.
• Direct project strategy, scope development, budgets, schedules, staffing, and overall project execution.
• Ensure projects are delivered safely, on schedule, within budget, and in accordance with HR Green's quality standards.
• Lead multidisciplinary project teams while balancing technical excellence, client expectations, and financial performance.
• Provide executive-level oversight of project financials, profitability, resource planning, and risk management.
• Guide construction administration activities, contractor coordination, and successful project delivery through completion.
• Serve as the senior decision-maker for technical, contractual, schedule, and client-related matters.

• Serve as Engineer of Record for major infrastructure projects.
• Lead the planning and design of complex water and wastewater systems, including:
  • Water treatment, storage, transmission, and distribution
  • Wastewater collection, pumping, conveyance, and treatment facilities
  • Utility master planning and capital improvement programs
• Provide technical oversight and quality assurance across multiple concurrent projects.
• Review and approve engineering deliverables while ensuring compliance with regulatory requirements and industry best practices.
• Mentor engineers and project managers by sharing technical expertise and promoting continuous improvement.

• Serve as a trusted advisor to municipal, utility, and public‑sector clients throughout Texas.
• Develop long‑term client relationships that result in repeat business and strategic partnerships.
• Identify emerging client needs and position HR Green to provide innovative infrastructure solutions.
• Lead project pursuits, interviews, and proposal development for high‑profile opportunities.
• Support strategic planning, market expansion, and business development initiatives across the region.
• Collaborate with practice leaders to establish growth strategies and achieve business development objectives.

• Mentor and coach project managers, engineers, and technical staff while fostering a collaborative, high‑performing culture.
• Support workforce planning, resource management, and staff development initiatives.
• Promote technical excellence…