Senior Mechanical Systems Engineer

Location: Remote, U.S. (Dallas-Fort Worth area preferred)
Employment Type: Full-Time
Travel: Approximately 20% domestic travel required

About the Opportunity

Join a fast-growing clean-energy technology company developing advanced thermal energy storage solutions for commercial, industrial, and mission-critical facilities. This role will focus on integrating high-impact chilled-water and cooling-plant systems that help improve data center capacity, energy efficiency, resiliency, and grid stability.

We are seeking a Senior Mechanical Systems Engineer with strong HVAC, hydronic, and chilled-water expertise to lead mechanical integration projects from design through commissioning across the United States.

What You’ll Do

• Lead the mechanical design and integration of thermal energy storage and chilled-water systems.
• Develop and review P&IDs, hydronic piping layouts, equipment arrangements, valve schedules, and controls integration interfaces.
• Perform hydraulic and pipe-stress analyses and support code-compliant engineering documentation.
• Integrate systems with chillers, cooling towers, heat exchangers, pumps, and BAS/BMS platforms.
• Collaborate with data center operators, MEP firms, contractors, design engineers, controls integrators, and commissioning teams.
• Support site surveys, startup, commissioning, and functional testing activities.