Sr. Water Quality Engineer

It’s exhilarating to find yourself at a pivotal moment in history— and even more so to be leading the way. At QTS Data Centers, we are proud to stand at the forefront of today’s dynamic digital transformation. Our world-class data centers empower our customers’ most strategic growth initiatives, positioning us as a global leader in digital infrastructure. QTS - Powered By People

As AI and cloud technologies fuel the demand for increased speed, capacity, and innovation, QTS has emerged as the global digital infrastructure leader. We are committed to connecting the globe for good. Driven by purpose and a spirit of innovation, we design, build, and operate some of the most advanced data centers worldwide. In addition to our cutting-edge technology, we are dedicated to sustainability, incorporating renewable energy solutions to minimize our environmental footprint and drive meaningful impact.

As a proud portfolio company of Blackstone, QTS is uniquely positioned to achieve ambitious growth and innovation goals.

At QTS, we are Powered by People. Our team members are the cornerstone of our culture, innovation, and growth. They are mission-driven, resourceful, and committed to making a positive impact in the communities where we live and work. Together, we’re achieving remarkable things and shaping the future of digital infrastructure.

And we’d like to invite you to join us.

In addition to a variety of benefit packages, QTS goes above and beyond for our employees:

• Roth and Traditional 401(k) matching contributions with immediate vesting
• Every employee is bonus or commission eligible
• Generous PTO, Paid Volunteer Days Plus Floating Holidays
• Stock Purchase Plan (SPP)
• 11 paid Holidays Annually/Holiday compensation when worked
• Pet and Legal Insurance
• Q-Rest Sabbatical Program
• Q-Anniversary Service Award Program
• Parental Leave for primary and secondary caregivers
• Military Benefits Package
• QTS Charitable Matching Gift Program
• QTS Scholarship for Employee Dependents
• QTS Crisis Fund
• Wellness Program
• Tuition Reimbursement Program

The Senior Water Quality Engineer is responsible for providing technical leadership for water quality programs that support the design, construction, commissioning, and operation of mission-critical data center infrastructure. This role focuses on optimizing water quality and treatment for cooling systems, chilled water plants, cooling towers, reclaimed water systems, and other mechanical infrastructure to maximize reliability, efficiency, and sustainability.

This role requires work hours to support a 7X24X365 data center environment.

• Lead the development and implementation of water quality strategies for hyperscale and enterprise data center campuses.
• Establish engineering standards for cooling water chemistry, treatment programs, and system performance.
• Support the design, commissioning, operation, and maintenance of cooling towers, chilled water systems, heat rejection equipment, and associated water infrastructure.
• Evaluate municipal, reclaimed, groundwater, and alternative water sources for data center cooling applications.
• Develop water balance models and optimize facility Water Usage Effectiveness (WUE).
• Collaborate with engineering and sustainability teams to integrate water-efficient cooling solutions into data center designs.
• Analyze water chemistry, corrosion, scaling, microbiological activity, and treatment performance to ensure long‑term equipment reliability.
• Develop water management plans that comply with applicable regulations and industry standards, including Legionella risk management.
• Review water treatment vendor performance and recommend improvements to chemical treatment programs.
• Support commissioning activities, startup procedures, and operational readiness for new facilities.
• Investigate water quality incidents, equipment failures, and operational issues, performing root cause analyses and implementing corrective actions.
• Evaluate innovative cooling technologies, including liquid cooling, closed-loop systems, reclaimed water reuse, and alternative cooling strategies.
• Mentor junior engineers and…