Senior Thermal-Fluids Engineer – Advanced Cooling

Diamond Foundry
Spain
Workplace: OnsiteFull timeFunction: Executive & General ManagementEducation: bachelorsSkills: ["Collaboration"]

Lead the design, modeling, prototyping, and experimental validation of high-performance liquid cooling architectures for single-crystal-diamond (SCD) semiconductor thermal management. Focus on jet impingement, spray, and microjet/microfluidic approaches for high heat-flux heat transfer. Own work from early concepts and CFD/thermal-fluid modeling (e.g., Ansys/COMSOL) through hardware design, fabrication constraints, testing, and integration with SCD-based devices.

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Diamond Foundry
Diamond Foundry
1 day ago

Senior Thermal-Fluids Engineer – Advanced Cooling

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Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live

Job Summary

Lead the design, modeling, prototyping, and experimental validation of high-performance liquid cooling architectures for single-crystal-diamond (SCD) semiconductor thermal management. Focus on jet impingement, spray, and microjet/microfluidic approaches for high heat-flux heat transfer. Own work from early concepts and CFD/thermal-fluid modeling (e.g., Ansys/COMSOL) through hardware design, fabrication constraints, testing, and integration with SCD-based devices.
Location: Spain
Workplace: Onsite
Employment Type: Full time
Job Function: Executive & General Management
Seniority: Mid level

Key Responsibilities

  • •Design and develop high-performance liquid cooling architectures for SCD-based semiconductor thermal management, including jet impingement, spray, and microjet concepts.
  • •Model and optimize fluid flow and heat transfer to define jet/nozzle geometries and operating conditions, including single- and two-phase regimes.
  • •Design cooling hardware for prototyping and manufacturing, including fluid distribution and extraction/return paths while accounting for fabrication constraints.
  • •Build and experimentally characterize prototypes, analyze thermal/fluid performance, and iterate designs based on test results.
  • •Drive development from concept through prototype demonstration and integration with SCD-based semiconductor devices, collaborating with engineering, manufacturing teams, and external partners.

Pay and Benefits

Perks:Health InsuranceFlexible SpendingRetirement SavingsLife InsuranceDisability Insurance

Key Requirements

  • •Degree in Mechanical Engineering, Thermal Engineering, Fluid Mechanics, or a related field.
  • •Strong background in thermal engineering, fluid dynamics, and heat transfer, with experience developing high-performance liquid cooling systems or devices.
  • •Hands-on experience designing and validating thermal-fluid hardware for technologies such as jet impingement, spray cooling, or microjets/microfluidics.
  • •Experience with computational and/or analytical thermal-fluid modeling, ideally including CFD, plus experimental testing and validation.
  • •Experience designing components for precision or micro-scale manufacturing processes such as micromachining.
Experience:SemiconductorsR&DThermal managementHigh heat-flux cooling
Education:Bachelor's in Mechanical Engineering, Thermal Engineering, Fluid Mechanics
Skills:Collaboration
Tech Stack:AnsysCOMSOLCFDMicromachining

Company Brief

Diamond Foundry
Designs and manufactures lab-grown diamonds using proprietary plasma reactor technology, focusing on ethically sourced, sustainable diamonds for jewelry brands and direct-to-consumer sales.
Industry: Materials Science
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: San Francisco, United States
Founded: 2012
WebsiteLinkedIn