Thermal Engineering Lead Job at Piper Maddox (San Francisco)

Thermal Validation Engineer

We are seeking a Thermal Validation Engineer to lead the design, execution, and ...

Location

United States , San Jose

Salary:

150000.00 - 250000.00 USD / Year

Figure

Expiration Date

Until further notice

Requirements

5–8 years of hands-on experience designing or validating thermal systems for complex electromechanical, compute, or robotics platforms
Strong understanding of heat transfer, thermodynamics, and fluid mechanics, including air and liquid cooling systems
Proficiency with thermal instrumentation and DAQ tools such as thermocouples, IR cameras, and power analyzers
Demonstrated ability to analyze and correlate thermal test data with simulation results to validate designs
Skilled in Python or MATLAB for test automation, data collection, and analysis
Bachelor’s or Master’s degree in Mechanical, Thermal, Mechatronics, or Systems Engineering, or equivalent practical experience

Job Responsibility

Develop and lead the thermal validation strategy across subsystem and full-robot levels, from first article to fleet rollout
Create and execute detailed test plans for steady-state and transient thermal performance
Design and instrument test setups using thermocouples, IR cameras, wind tunnels, and DAQs to measure temperature, power, and flow
Analyze and correlate test data with simulation models to validate cooling performance and guide design improvements
Characterize and validate heatsinks, fans, and thermal interfaces for high-power compute and actuator assemblies through cycling and stress testing
Automate test execution and analysis using Python, MATLAB, or equivalent tools, and document results to ensure repeatable validation processes

Fulltime

Lead Development Engineer — Carbon Negative Minerals

We turn CO2 into high value, carbon negative minerals. Forge Minerals makes deca...

Location

United Kingdom , Edinburgh

Salary:

Not provided

Carbon13

Expiration Date

Until further notice

Requirements

5+ years of experience in Engineering
Bachelor’s Degree
Commute to this job’s location
Accept a background check
Working in an onsite setting
5+ years of work experience with Chemical Process Engineering
Extensive technical experience — ideally 5-10+ years in process, mechanical, or chemical engineering, with proven design-build-test work on pressurised or thermal systems
Experience in pilot plant development, mineral/chemical processing, or early-stage technology environments is highly desirable

Job Responsibility

Lead the optimisation and scale up of the system
Manage the design and integration of test rigs
Oversee delivery
Reduce technical risk
Ensure the system is safe, commercially scalable, and efficient
Shape a robust, commercial-ready system
Deliver a robust Technology Development Plan (TDP) — a clear, grounded roadmap covering stage-gates, partner roles, technical risks, budgets, and timelines from pilot through to commercial deployment

What we offer

Would consider share options for candidates looking to grow with the business

Lead Product Development Engineer

An individual contributor that leads product development engineering teams on as...

Location

United States , North Olmsted, Ohio

Salary:

105000.00 - 140000.00 USD / Year

Therma-Tru

Expiration Date

Until further notice

Requirements

Bachelor’s degree in engineering is required (BSME)
A minimum of 8 years of experience to include significant manufacturing exposure as well as product development experience is required
Fluent in the use of 3-D CAD (SolidWorks preferred) and PC’s
Ability and willingness to travel up to approximately 15% of the time, both domestically and internationally
Ability to effectively work with suppliers from different countries / cultures
Written and verbal communication skills for dealing with multiple levels of staff, customers and suppliers
Candidates must be familiar in several of the following areas: Advanced Failure Analysis and scientific problem solving
Mechanical System Modeling Techniques
FEA, CFD, FMEA, DOE, QFD, and DFMA
Use of engineering principles. i.e. fluid, mechanical and thermal

Job Responsibility

An individual contributor that leads product development engineering teams on assigned projects from concept to production
Provide engineering support and technical assistance to all engineering customers, both internal and external
Leads teams of engineers to develop products
Plans and steers the technical development of products
Understands the Product Development risks and mitigation plans
Drive team to develop capable, cost-effective manufacturing and assembly processes concurrent to product design activities to ensure robust designs are delivered
Interact with Marketing, Sales, Quality Assurance, Manufacturing, Designers, Purchasing, and suppliers to meet the specifications and needs of the customer in the development of new, reliable products for the market
Can make the connections between all user requirements, through product requirements, and into subsystem specifications
Maintains product platform mindset
Develop, lead, and actively participate in Design Reviews / DFM / DFA for new products

What we offer

robust health plans
a market-leading 401(k) program with a company contribution
product discounts
flexible time off benefits (including half-day summer Fridays per policy)
inclusive fertility / adoption benefits
more
numerous Employee Resource Groups to support inclusivity and our associates’ feeling of belonging at work
annual bonus plan based on company and individual performance, or a role-based sales incentive plan

Fulltime

New

Senior Thermal Design Engineer

Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the...

Location

Taiwan , Taipei

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

7+ years related technical engineering experience OR Bachelor's degree in Mechanical Engineering, or related field AND 4+ years related technical engineering experience OR Master's degree in Mechanical Engineering, or related field AND 3+ years related technical engineering experience OR Doctorate degree in Mechanical Engineering, or related field OR equivalent experience.
Extensive experience (8+ years) in thermal design and analysis for complex hardware systems, with a focus on cloud infrastructure.
Experience with liquid component or system designs.
Solid knowledge of acoustic analysis and noise mitigation techniques.
Strong knowledge of heat transfer principles, fluid dynamics, thermodynamics, and computational fluid dynamics (CFD) simulations.
Solid understanding of cloud hardware components, architectures, and cooling technologies.
Demonstrated experience in designing and implementing thermal solutions for high-power and high-density systems.
Familiarity with industry standards and regulations related to thermal management in data center environments.
Excellent problem-solving and analytical skills, with the ability to identify and resolve complex thermal issues.
Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and communicate technical concepts to both technical and non-technical stakeholders.

Job Responsibility

Lead the thermal design and analysis of cloud hardware components, including servers, racks, power distribution systems, and cooling solutions form silicon/board level to L11/L12.
Collaborate closely with cross-functional teams, including electrical engineers, mechanical engineers, and system technical lead, to develop and implement thermal solutions that meet performance and reliability requirements.
Conduct thermal simulations, modeling, and analysis to assess component and system-level thermal performance, acoustic, and optimize cooling strategies.
Define and establish thermal design guidelines, specifications, and test plans for cloud hardware products.
Evaluate and select appropriate cooling technologies, such as liquid cooling, air cooling, and heat sinks, to ensure efficient heat dissipation and thermal management.
Define and review thermal architecture, thermal control policy, including air- and liquid-cooled solutions.
Perform root cause analysis and troubleshooting of thermal issues during hardware development and deployment.
Lead thermal validation and testing activities, including thermal chamber testing, thermal cycling, and thermal characterization, acoustic validation, wind tunnel testing, system impedance/flow rate measurement.
Stay up-to-date with industry trends and emerging technologies related to thermal management in cloud hardware development.
Provide technical guidance and mentorship to junior thermal engineers, fostering their professional growth and development.

Fulltime

Senior Thermal Engineer, Liquid Cooling Systems

We are seeking a highly experienced Senior Thermal Engineer, Liquid Cooling Syst...

Location

United States , San Jose

Salary:

200000.00 - 250000.00 USD / Year

Etched

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Mechanical Engineering or Thermal Engineering, or a related field
Minimum of 10 years of experience in thermal engineering with a strong focus on water cooling systems and advanced thermal management solutions
Proven expertise in designing and managing direct-to-processor cooling systems and thermal simulations
Extensive experience with water cooling systems, including internal manifolds, quick disconnects, CDUs, and heat exchangers
Expertise in direct-to-processor cooling solutions and thermal management for high-power components
Proficiency in thermal simulation tools and techniques
Knowledge of various thermal interface materials (TIMs) and heat sink designs
Experience with advanced thermal cooling concepts and technologies

Job Responsibility

Lead the design and optimization of thermal management systems for high-performance data center products, focusing on water cooling solutions and advanced cooling concepts
Develop and implement water cooling solutions, including internal manifolds, quick disconnects, CDUs, and heat exchangers
Design and manage direct-to-processor water cooling systems
Conduct detailed thermal simulations to predict and analyze thermal performance
Evaluate and select thermal interface materials (TIMs) for various heat sinks and cooling solutions
Explore and implement advanced thermal cooling concepts, including phase change cooling, liquid cooling, and other cutting-edge technologies
Oversee the testing and validation of thermal management systems
Create and maintain comprehensive documentation for thermal management designs
Work closely with cross-functional teams, including mechanical engineers, electrical systems engineers, and vendors

What we offer

Medical, dental, and vision packages with generous premium coverage
$500 per month credit for waiving medical benefits
Housing subsidy of $2k per month for those living within walking distance of the office
Relocation support for those moving to San Jose (Santana Row)
Various wellness benefits covering fitness, mental health, and more
Daily lunch + dinner in our office
Plus Significant Equity

Fulltime

Electrical Lead, Power Architecture

Archer is an aerospace company based in San Jose, California building an all-ele...

Location

United States , San Jose

Salary:

163200.00 - 204000.00 USD / Year

Archer Aviation

Expiration Date

Until further notice

Requirements

Master’s degree in Electrical Engineering, Power Electronics, or a related discipline
7+ years of experience in power system design for EV, aerospace, or similar high-reliability applications
Strong background in: HV inverter and converter design (400V–1000V+)
LV system architecture and power distribution
Integration of motors, generators and control systems
Proficiency in system simulation, schematic capture, and hardware validation
Experience with wide-bandgap devices (SiC, GaN) and modern digital control platforms (MCUs, DSPs, FPGAs)
Systems-level thinking and multidisciplinary collaboration
Strong technical communication and documentation skills
Ability to lead cross-functional efforts and mentor junior engineers

Job Responsibility

Lead the design and architecture of HV propulsion inverter and generator systems, including semiconductor topology, switching control, EMI, and thermal performance
Architect the LV electrical system, including DC/DC converters, power distribution, auxiliary loads, grounding, and redundancy
Contribute to architecture definition, trade studies and help manage system-level electrical requirements and interfaces across HV and LV domains
Collaborate closely with battery, motor, avionics, software, and thermal teams to ensure integrated, reliable system design
Drive component selection, supplier evaluation, and validation planning for power electronics and distribution systems
Oversee simulation, modeling, and analysis activities (e.g., MATLAB/Simulink, PLECS, SPICE) for system behavior, loss estimation, and transient response
Develop and execute validation strategies, including module bring-up, EMC compliance, thermal testing, and integrated testing
Support functional safety analysis and documentation (e.g., ISO 26262, DO-160, ARP4754, DFMEA)
Maintain technical documentation and lead design reviews across project milestones

Fulltime

Mechanical Lead

We are seeking a highly motivated and experienced Data Center Mechanical Lead to...

Location

Marcoussis, Milan, Madrid

Salary:

Not provided

DATA4 Group

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Mechanical Engineering or equivalent experience
Minimum of 7+ years of experience in data center design and construction or equivalent experience in critical infrastructure
Proven track record of success in leading and executing complex mechanical engineering projects
English: fluent
Experience on Mechanical Systems and discipline (HVAC, CFDs, Boilers, Chillers, Pumps, CRAC / CRAH Units, Air Handling Units, etc.)
Strong understanding of data center thermal management, power distribution, and fire suppression systems
Experience with commissioning and startup of data center mechanical systems
Professional Engineer (PE) license or equivalent
LEED AP certification or equivalent in Electrical Engineering
Experience with data center infrastructure management software (DCIM) focusing on electrical systems

Job Responsibility

Lead the design and development of conceptual and detailed mechanical systems for new and existing data centers
Analyze cooling and air handling requirements to optimize efficiency, reliability, and energy consumption
Select and specify mechanical equipment based on industry best practices, project requirements, and sustainability considerations
Ensure mechanical system design seamlessly integrates with other systems (electrical, IT, etc.) through close collaboration with relevant teams
Oversee the commissioning process for new and upgraded mechanical systems, ensuring adherence to project timelines and budgets
Develop and execute comprehensive commissioning plans in accordance with industry standards and best practices
Identify and resolve mechanical commissioning issues efficiently to maintain project progress
Collaborate with contractors and internal teams to ensure smooth construction and installation of mechanical components
Stay at the forefront of the latest trends and technologies in data center mechanical design and operation
Serve as the company’s internal expert on all mechanical aspects of data centers

Senior Thermal Engineer

We’re looking for an experienced mechanical engineer with expertise in thermal d...

Location

United States , San Francisco

Salary:

140000.00 - 200000.00 USD / Year

Eight Sleep

Expiration Date

Until further notice

Requirements

5+ years of experience in thermal system design (e.g. heatsinks, heat pipes, TECs, insulation strategies, thermally conductive materials)
Expertise in thermal and fluid analysis, heat transfer fundamentals, thermal instrumentation, DOEs, and root cause analysis techniques
Highly proficient with simulation (e.g. IcePak, Fluent) and data analysis tools (e.g. Python, Matlab)
Experience shipping high-volume consumer products, including manufacturing support in Asia
Proficient in CAD (e.g. Solidworks, NX, Creo) and DFM/DFA
BSME or equivalent (MS or PhD preferred)
Willingness and ability to travel to China as needed

Job Responsibility

Ensure our products have industry leading thermal performance by owning the architecture and design of thermal systems from concept to production
Perform thermal and fluid analysis to optimize factors such performance, size, noise, and cost
Work closely with suppliers and cross-functional teams to implement designs
Create and execute test plans to characterize prototypes and validate analytical results
Design test systems for use in development and in production

What we offer

Offers Equity
Full access to health, vision, and dental insurance for you and your dependents
Supplemental life insurance
Flexible PTO
Commuter benefits to ease your daily commute
Paid parental leave
Every Eight Sleep employee receives a Pod of their own

Fulltime

Thermal Engineering Lead

Piper Maddox

Location:
United States , San Francisco

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 22, 2026

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