Senior Mechanical Systems Engineer

Nostromo develops and deploys the most advanced Thermal Energy Storage (TES) system on the market for commercial and industrial facilities. Our patented Ice Brick® technology integrates with chilled water HVAC infrastructure to shift cooling demand from peak to off-peak hours increasing and accelerating data center IT capacity, reducing energy costs, improving resiliency, and supporting grid stability. We are a fast-growing technology company with large-scale deployments and demand across data centers, commercial real estate, and mission-critical facilities.

We are looking for a Senior Mechanical Engineer based in the Dallas-Fort Worth area with deep HVAC and chilled-water expertise and hands-on experience in data center 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.

• Title:
  
  Senior Mechanical Systems Engineer
• Reporting to:
  Senior VP Engineering & Operations
• Location:
  
  Home-based
• Travel:
  Domestic, 20% of time
• Compensation:
  Base, benefit, stock options

• 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
• Integration 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 during presales and proposal activities
• Collaborate with global R&D and product teams to refine system design and deployment methods
• Mentor junior engineers as the team grows

• B.Sc. in Mechanical Engineering; PE license preferred
• 8+ years of experience in HVAC, chilled water systems, or energy infrastructure
• Prior experience in data centers or mission-critical facilities - Advantage
• Strong working knowledge of hydronic systems, thermodynamics, cooling plants, and BAS/BMS integration
• Experience coordinating across mechanical, controls, and electrical disciplinesץ
• Proficiency with AutoCAD, Plant 3D, and Revit
• Familiarity with commissioning and field execution processes

• 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, IPC, NEC, and U.S. building codes
• Experience in retrofit or operational facility environments
• Startup or fast-growth company experience is a plus

• Be part of deploying high-profile, ground-breaking technology, working with industry leaders and top-brand names
• Engage in the fast growing data center market
• Work on high-impact clean energy infrastructure at hyperscale and mission-critical facilities
• Combine hands-on field execution with advanced engineering design
• High-visibility role with a clear path to technical leadership
• Competitive salary, bonus potential, and full benefits package