Posted Sep 26, 2026

Senior Mechanical Systems Engineer

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THE ROLE We are looking for a Senior Mechanical Engineer with deep HVAC and chilled-water expertise and hands-on experience in data center or other mission-critical environments. The selected candidate will lead the mechanical integration of TES systems into existing and new cooling plants — from design through commissioning across the U.S. This is a home-based role; candidates near Dallas-Fort Worth are a plus but strong candidates anywhere in the U.S. are encouraged to apply. Highlights: • Title: Senior Mechanical Systems Engineer • Reporting to: Senior VP Engineering & Operations • Location: Home-based (U.S.); Dallas-Fort Worth area a plus • Travel: Domestic, 20% of time • Compensation: Base, benefits, stock options KEY RESPONSIBILITIES • Lead mechanical design and integration for TES and chilled water systems • Develop and review P&IDs, hydronic piping layouts, equipment arrangements, valve schedules, and control integration interfaces • Perform hydraulic and pipe stress analysis to support system design and code-compliant documentation • Integrate with chillers, cooling towers, heat exchangers, pumps, and BAS/BMS systems • Interface with data center operators, MEP firms, mechanical contractors and design engineers, controls integrators, and commissioning teams • Support field activities: site surveys, startup, commissioning, functional testing • Provide technical input and mechanical narratives during presales and proposal/RFP activities • Develop and apply automation tools (Python, Excel/VBA, or similar) to streamline engineering analysis and documentation • Collaborate with global R&D and product teams to refine system design and deployment methods • Mentor junior engineers as the team grows