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Senior Mechanical Systems Engineer
Software Engineering
Fort Worth, TX, USA
Posted on Sep 3, 2026
Description
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
Requirements
REQUIRED QUALIFICATIONS
- B.Sc. in Mechanical Engineering; PE license preferred
- 5+ years of experience in HVAC, chilled water systems, or energy infrastructure
- Prior experience in data centers or other mission-critical facilities — advantage
- Strong working knowledge of hydronic systems, thermodynamics, cooling plants, and BAS/BMS integration
- Experience coordinating across mechanical, controls, and electrical disciplines
- Proficiency with AutoCAD, Revit, and/or Plant 3D
- Familiarity with commissioning and field execution processes
PREFERRED QUALIFICATIONS
- Experience with Thermal Energy Storage systems
- Familiarity with data center cooling architectures (air-side, water-side economization, etc.)
- Experience with industrial refrigeration or low-temperature glycol systems
- Knowledge of ASHRAE, ASME (including B31.3), IPC, NEC, and U.S. building codes
- Experience with hydraulic and pipe stress analysis software (e.g., Pipe-Flo, AutoPIPE) and energy/load modeling tools (e.g., Trace, HAP)
- Experience using Python, VBA, Dynamo, or AI tools to automate engineering workflows
- Experience developing RFP/proposal content and technical narratives
- Experience in retrofit or operational facility environments
- Startup or fast-growth company experience is a plus
- Military veterans encouraged to apply — leadership and field-operations experience translate well to this role