JLL supports the Whole You, personally and professionally.
Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology to our clients. We are committed to hiring the best, most talented people in our industry; and we support them through professional growth, flexibility, and personalized benefits to manage life in and outside of work. Whether you’ve got deep experience in commercial real estate, skilled trades, and technology, or you’re looking to apply your relevant experience to a new industry, we empower you to shape a brighter way forward so you can thrive professionally and personally.
Associate Mechanical Engineer – Execution (Data Center Construction)
Oversee on-site mechanical execution and quality assurance for mission-critical data center construction projects, ensuring proper installation of HVAC and cooling systems. Manage day-to-day coordination of mechanical contractors, verifying installation compliance with approved design documents, specifications, and manufacturer requirements. Conduct regular site inspections to monitor progress of chilled water systems, CRAC/CRAH units, piping installations, ductwork, and air distribution systems, identifying deficiencies and non-conformances early. Review and approve mechanical contractor submittals, RFIs, and material substitution requests in coordination with design team and client standards. Witness factory acceptance tests (FAT) and coordinate equipment delivery schedules to align with construction milestones and critical path activities. Lead pre-commissioning activities including flushing, pressure testing, balancing, and start-up of mechanical systems to ensure readiness for commissioning. Monitor construction schedule adherence for mechanical scope, proactively identifying delays and implementing recovery plans to maintain project timeline. Facilitate coordination meetings between mechanical, electrical, and controls contractors to resolve interface issues and optimize system integration. Maintain comprehensive construction documentation including daily reports, punch lists, test records, and as-built markups for turnover. Requires hands-on construction experience with data center mechanical systems, strong understanding of installation best practices, ability to read and interpret complex mechanical drawings, excellent problem-solving skills, and capacity to manage multiple contractors simultaneously in demanding, fast-tracked construction environments where downtime risk must be minimized.
If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements below. We’re interested in getting to know you and what you bring to the table!
Personalized benefits that support personal well-being and growth:
JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health.
About JLL –
We’re JLL—a leading professional services and investment management firm specializing in real estate. We have operations in over 80 countries and a workforce of over 102,000 individuals around the world who help real estate owners, occupiers and investors achieve their business ambitions. As a global Fortune 500 company, we also have an inherent responsibility to drive sustainability and corporate social responsibility. That’s why we’re committed to our purpose to shape the future of real estate for a better world. We’re using the most advanced technology to create rewarding opportunities, amazing spaces and sustainable real estate solutions for our clients, our people, and our communities.
Our core values of teamwork, ethics and excellence are also fundamental to everything we do and we’re honored to be recognized with awards for our success by organizations both globally and locally.
Creating a diverse and inclusive culture where we all feel welcomed, valued and empowered to achieve our full potential is important to who we are today and where we’re headed in the future. And we know that unique backgrounds, experiences and perspectives help us think bigger, spark innovation and succeed together.
