Senior Design Engineer - Water/Wastewater Treatment

At MacKay, we believe great people are the foundation of our growth and success. We are in an exciting phase of expansion, creating new opportunities for our employees to take on meaningful work, collaborate across disciplines, and build long-term careers. Whether your role is technical or part of our support services team, you play an important role in delivering high-quality work and helping our projects succeed.

, now part of MacKay, is seeking a dedicated and relationship-driven Senior Design Engineer to join our team. If the opportunity to make a powerful impact in the water/wastewater treatment process resonates with your goals, let's talk. We are open to reviewing candidates based remotely and are able to support our clients.

Proximity to a MacKay Branch office location is preferred. We offer a comfortable, collaborative work environment with flexible work arrangements. We’re serious about our work – but we’re serious about fun, too.

This engineer will be required to travel for about 20% of their time.

Key Responsibilities

: As a senior technical advisor for water treatment process, provide expert guidance on all aspects Perform and review analyses, prepare drawings, and write and review specifications Responsible for preparing work product Prepare and review scope and budgets for proposals Oversee construction projects as Client representative Build and maintain strong client relationships Lead, mentor, and grow the water treatment team

Minimum Qualifications

S. E. E.

Preferred Qualifications

S. in Chemical, Mechanical or Civil Engineering 40-hour HAZWOPER certification 40-hour MSHA certification Experience with treatment plant operations Technical Skills and abilities: Engineering design, including process, mechanical, piping, and pumping systems Operational and oversight experience Construction management/oversight Cost estimating Preparation of procurement and construction specifications Scheduling and subcontractor management Interpersonal skills: Nimble learner and adapts well to change Emotional intelligence Maintains confidentiality Active listening skills Why Join MacKay? A people-first culture At MacKay, we put people first.

We are committed to creating an environment where employees can grow, contribute, and do their best work. We support well-being, encourage balance, and create space for people to succeed both professionally and personally. Meaningful work and real impact Our teams take on complex infrastructure and environmental challenges that support critical systems and shape the places where people live and work.

Every role contributes to delivering that work and making it successful. Growth and opportunity We are in an exciting phase of growth, expanding across geographies, services, and markets. That growth creates opportunities for our employees to take on new challenges, build their careers, and contribute in new ways as the company evolves.

A strong and trusted foundation Built on more than 50 years of experience, MacKay has developed a reputation for quality work, strong relationships, and dependable results. You’ll be part of a team with a solid foundation and a clear direction for the future. Opportunities to share in success We provide opportunities for employees to participate in ownership and build long-term financial value as the company grows.

Our Values At MacKay, our values guide how we work, collaborate, and support one another. Honesty. We build trust through transparency, integrity, and accountability.

Dedication.