Submer · 4 hours ago
Senior Mechanical Architect – Liquid Cooling Systems
Spring, TX
Full-time
Hybrid
Senior Level
7+ years expSubmer enables sustainable digital infrastructure by providing cutting-edge liquid cooling solutions for data centers. They are seeking a Senior Mechanical Engineer to lead the design and integration of advanced liquid-cooled rack systems for large-scale AI and HPC deployments.
CleanTechCloud InfrastructureData Center AutomationEnergy EfficiencyHardwareIT InfrastructureRobotics
Responsibilities
Define and lead mechanical architecture development for liquid-cooled racks, including manifolds, server interfaces, and facility connections
Drive system- and rack-level integration, ensuring compliance with performance, safety, structural, shock/vibration, seismic and reliability targets
Partner with rack suppliers and internal design teams to co-develop mechanical designs aligned with company standards for performance, usability, and cost
Perform or coordinate thermal-hydraulic analysis to optimize loop design, flow distribution, and cooling efficiency
Own CAD design, documentation, and release of mechanical components and assemblies
Lead engineering validation activities, including test plan creation, prototype builds, and root-cause analysis of design or integration issues
Conduct design reviews to ensure manufacturability and compliance with mechanical standards and best practices (DFM, DFR, and serviceability)
Collaborate with system architecture, electrical, and manufacturing engineering teams to deliver a balanced and high‑performance rack solution
Qualification
Required
BS or MS in Mechanical Engineering or related field with 7+ years of experience in thermal or mechanical design for high-density electronics or data center systems
Proficiency in thermal-fluid systems design, mechanical packaging, and system-level integration
Strong experience with CAD tools (Creo, NX, or SolidWorks) and simulation tools for thermal, flow, or structural analysis (Flotherm, ANSYS, or equivalent)
Proven success collaborating with external rack or cooling solution suppliers, managing specs, reviews, and validation deliverables
Familiarity with liquid cooling infrastructure in data centers, including CDU, manifold, facility water, and interconnect standards
Excellent communication and project leadership skills across cross-functional engineering disciplines
Experience developing high‑power compute rack solutions or liquid cooling architectures in OEM or hyperscale environments
Knowledge of heat transfer and fluid mechanics as applied to electronic cooling solutions
Experience with material compatibility, system reliability, and environmental compliance requirements for global deployment
Hands‑on understanding of prototype build, instrumented testing, and system qualification processes
Benefits
Medical Insurance Plan.
401k Employee volunteer contribution Plan.
Company
Submer
Submer enables next-generation cooling and automation for data and energy-
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$127.11MKey Investors
SantanderM&G InvestmentsPlanet First Partners
2024-12-20Debt Financing· $20.86M
2024-10-03Series C· $55.18M
2022-01-25Series B· $33.91M
Leadership Team
Daniel Pope
Founder
Recent News
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