As a Thermal Engineer at Shield AI, you will:

• Own thermal analysis and design efforts for unmanned aerial vehicle avionics, including custom power electronics
• Develop and validate analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations and CFD tools such as FloEFD
• Provide input to trade studies, system architecture decisions, and risk assessments
• Assist cross-functional teams designing power electronic circuits and environmental enclosures
• Contribute to design requirements that impact circuit part selection, board layout, material selection, and other design aspects
• Drive test planning, instrumentation, and data analysis to correlate models with experimental results
• Communicate technical findings clearly through executive-level briefings, design reviews, and written reports

Required qualifications:

• B.S. in Mechanical Engineering, Aerospace Engineering, or related discipline
• Internship or engineering club experience in avionics or electronics thermal engineering
• Knowledge of heat transfer (conduction, convection, radiation) and fluid mechanics
• Familiarity with thermal analysis and CFD tools (e.g., ANSYS Icepak, FloEFD, STAR-CCM+)
• Experience with CAD design tools such as NX, SolidWorks, or similar
• Demonstrated experience applying first-principles reasoning to engineering problems
• Strong written and verbal communication skills, with a track record of leading technical discussions and presenting to stakeholders

Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location.

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As a Staff Thermal Engineer, you will contribute to thermal analysis and design efforts for unmanned aerial vehicle avionics and thermal/fluid systems. You will develop and validate analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations and CFD tools such as FloEFD. You will drive test planning, instrumentation, and data analysis to correlate models with experimental results.

Key responsibilities include:

• Contributing to thermal analysis and design efforts for unmanned aerial vehicle avionics and thermal/fluid systems
• Developing and validating analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations and CFD tools such as FloEFD
• Driving test planning, instrumentation, and data analysis to correlate models with experimental results
• Communicating technical findings clearly through executive-level briefings, design reviews, and written reports

Requirements include:

• B.S. in Mechanical Engineering, Aerospace Engineering, or related discipline
• Minimum 7 years of professional experience in avionics or electronics thermal engineering
• Strong expertise in heat transfer (conduction, convection, radiation) and fluid mechanics
• Deep understanding of active and passive cooling solutions and their integration at component and system level
• Proficiency with thermal analysis and CFD tools (e.g., ANSYS Icepak, FloEFD, STAR-CCM+)
• Proficiency with CAD design tools such as NX, SolidWorks, or similar
• Demonstrated experience applying first-principles reasoning to complex engineering problems
• Strong written and verbal communication skills, with a track record of leading technical discussions and presenting to stakeholders

Preferred qualifications include:

• M.S. or Ph.D. in a relevant engineering discipline
• Experience with high-altitude aircraft avionics cooling and thermal design
• Familiarity with aircraft integration constraints (power, weight, volume, maintainability, safety)
• Hands-on experience with thermal and fluid system testing, instrumentation, and validation
• Knowledge of materials and manufacturing methods relevant to thermal management (pumps, heat exchangers, composites, etc.)
• Experience guiding trade studies, proposals, and customer interactions in aerospace or defense programs
• Background in multi-disciplinary system integration, spanning avionics, fluid systems, and systems engineering

Salary: $136,730 - $205,096 a year

Benefits: Pay within range listed + Bonus + Benefits + Equity

Note: Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location.

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This role is best suited for an engineer who thrives on first-principles problem solving, is comfortable with ambiguous, open-ended challenges, and can bridge technical disciplines with strong communication and collaboration skills and the ability to simplify and communicate complex problems.

The engineer will be a key contributor in shaping designs, mentoring peers, and ensuring robust thermal solutions that meet mission-critical aerospace requirements.

Responsibilities:

• Own thermal analysis and design efforts for unmanned aerial vehicle avionics including custom power electronics
• Develop and validate analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations and CFD tools such as FloEFD
• Provide technical leadership in trade studies, system architecture decisions, and risk assessments
• Lead cross-functional teams designing power electronic circuits and environmental enclosures. Provide design requirements that impact circuit part selection, board layout, material selection, and other design aspects
• Drive test planning, instrumentation, and data analysis to correlate models with experimental results
• Mentor junior engineers and guide cross-disciplinary teams in applying thermal/fluid fundamentals
• Communicate technical findings clearly through executive-level briefings, design reviews, and written reports
• Proactively identify risks, propose solutions, and influence electrical and/or PCBA design direction

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As the Principal Aircraft Thermal Engineer, you will lead thermal analysis and characterization efforts for unmanned aerial vehicle aircraft-level thermal systems. You will architect and validate analytical, numerical, and computational models for heat transfer and fluid flow using hand calculations, finite difference methods, and CFD tools such as FloEFD.

You will provide leadership in trade studies, system architecture decisions, requirements generation, and technical risk assessments. You will define and oversee test planning, instrumentation, and data analysis to correlate models with experimental results.

You will mentor and guide cross-disciplinary teams in applying thermal/fluid fundamentals. You will communicate technical findings through executive-level briefings, design reviews, and technical reports.

Key responsibilities include:

• Leading thermal analysis and characterization efforts for unmanned aerial vehicle aircraft-level thermal systems
• Architecting and validating analytical, numerical, and computational models for heat transfer and fluid flow
• Providing leadership in trade studies, system architecture decisions, requirements generation, and technical risk assessments
• Defining and overseeing test planning, instrumentation, and data analysis
• Mentoring and guiding cross-disciplinary teams
• Communicating technical findings through executive-level briefings, design reviews, and technical reports

Requirements include:

• B.S. in Mechanical Engineering, Aerospace Engineering, or related discipline
• Minimum 12 years of professional experience in avionics or electronics thermal engineering
• Deep expertise in heat transfer (conduction, convection, radiation) and fluid mechanics
• Advanced understanding of active and passive cooling solutions and their integration at the component and system level
• Proficiency with thermal analysis and CFD tools (e.g., FloEFD, STAR-CCM+)
• Proficiency with CAD design tools such as NX, SolidWorks, or similar
• Demonstrated ability to apply first-principles reasoning to complex engineering problems
• Ability to learn new and cutting-edge materials knowledge and thermal management techniques from a variety of sources (technical papers, text books, etc.) and apply it to the development of advanced thermal management design
• Strong communication and leadership skills, with experience presenting to executives and customers

Preferred qualifications include:

• M.S. or Ph.D. in a relevant engineering discipline
• Extensive experience with high-altitude aircraft thermal management, analysis, and design
• Familiarity with aircraft integration constraints (power, weight, volume, maintainability, safety)
• Hands-on experience with thermal and fluid system testing, instrumentation, and validation
• Knowledge of materials and manufacturing methods relevant to aerospace thermal management
• Experience guiding trade studies, proposals, and customer interactions in aerospace or defense programs
• Background in multi-disciplinary system integration, spanning avionics, fluid systems, and systems engineering

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What you'll do

As a Software Developer, you will be responsible for developing, implementing, and maintaining combustion and reactive-flow models within a finite volume CFD solver environment. You will also enhance numerical algorithms to improve stability, accuracy, and computational performance, including adaptation for parallel and high performance computing environments.

What you need

• PhD in Mechanical Engineering, Chemical Engineering, Physics, Computational Engineering, or a related technical discipline
• Strong theoretical understanding of combustion, fluid mechanics, thermodynamics, and heat transfer
• Experience with finite volume CFD methods and numerical discretization techniques
• Proficiency in C++ or Fortran for scientific or engineering software development; additional experience with Python is advantageous

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