Occupation intelligence

thermal engineer

Snapshot

Are you fascinated by how heat and energy move? As a thermal engineer, you'll design and build systems that control temperature and energy transfer, playing a crucial role in industries from aerospace to manufacturing. This expert-level role combines scientific principles with practical engineering solutions.

Summary

Thermal engineers are professionals specializing in the application of thermodynamics to design, develop, and test systems involving heat transfer. Your daily work might involve modelling complex thermal processes using software, selecting appropriate materials for high-temperature environments, or troubleshooting performance issues in existing heating and cooling infrastructure. You’ll leverage your understanding of liquids, gases, and energy to optimise efficiency and ensure safety.

Key responsibilities
  • • Designing and modelling thermal systems, such as HVAC systems, heat exchangers, and cooling solutions.
  • • Conducting tests and analyses to validate system performance and identify areas for improvement.
  • • Selecting materials and components that can withstand extreme temperatures and pressures.
76%
Resilience Score

Are you fascinated by how heat and energy move? As a thermal engineer, you'll design and build systems that control temperature and energy transfer, playing a crucial role in industries from aerospace to manufacturing. This expert-level role combines scientific principles with practical engineering solutions.

Advanced Manufacturing Bachelor's or equivalent level 26% AI exposure
Start Career DNA assessment
Quick fit check

Could thermal engineer fit you?

Answer three quick questions. This is not a full assessment — it is a teaser to help you decide whether to compare your profile.

Progress0/3

Do you enjoy tasks that require Attention to Detail?

Do you enjoy tasks that require Integrity?

Do you enjoy tasks that require Dependability?

NexFuture

Future Outlook for thermal engineer

The outlook for thermal engineer is exceptionally stable. While AI tools will assist with daily tasks, the core of this role relies on human judgment, resulting in a high resilience score of 75.9%.

How are these scores calculated?

The Resilience Score (0–100) estimates how structurally protected this occupation is from automation and AI disruption, based on task-level analysis. Higher scores mean more human-judgment-intensive tasks. AI Exposure shows the estimated percentage of task hours that current AI capabilities could affect. These are model-derived structural indicators, not predictions about individual job security.

Play the future

How could thermal engineer change as AI adoption grows?

Human judgement, trust, and context remain strong protectors for this role.

Significant task-level transformation is estimated in 19 years (around 2045) under the selected Expected Pace scenario.
75%
Resilience
Automation Risk
EXP33%
Human advantage
MOAT73%
2026
2036
2050
AI Adoption Speed:

How AI may change this role

Deterministic, model-based interpretation of current role signals — not a guarantee of replacement.

Human-owned 76% Human-owned
What still depends on people

This role remains strongly human-led where design an electric heating system depends on trust, nuance, and real-world judgement.

The Human Edge To stay ahead in this role, focus on engineering processes and heat transfer processes. These human-centric skills are the hardest for AI to replicate in the next 20 years.
Assist 47% Assist
Where AI may become a co-pilot

AI is more likely to assist supporting tasks such as design passive energy measures, documentation, search, and workflow coordination.

Automate 26% Automate
Tasks most exposed to automation

Automation pressure appears selective rather than broad, with the strongest signal currently coming from Generative AI.

Detailed Analysis

Vital Signs, AI Vectors & Megatrends

Show more

Vital Signs

AI Exposure Vectors

0-100%
Generative AI 47.2%

Exposure to content generation, creative augmentation, and large language model tools

Cognitive Software 30.8%

Exposure to workflow automation, decision-support software, and process digitisation

Robotic & Physical Automation 14.4%

Exposure to physical automation, robotics, and sensor-driven task displacement

AI / Machine Learning 11.1%

Exposure to AI-assisted analysis, pattern recognition, and predictive modelling tasks

Megatrend Signals

0-100%
Geopolitical Change 23%
Digital Transformation 13%
Spatial Change 9%
Demographic Shift 7%
Green Transition 3%
Regulatory Pressure 0%

Model-derived scores. Indicates structural exposure to megatrends, not direct demand.

Technical Details
Methodology: NexFuture v2.0 Sources: O*NET 30.0, ESCO v1.2.0 Updated: May 2026

NexFuture™ v2.0 combines O*NET ability and activity profiles with ESCO skill group distributions and six global megatrend signals. Scores are probabilistic estimates, not guarantees. See the NexFuture™ Methodology White Paper for full details.

Day in the life

What people in this role usually do

Advanced Manufacturing

Day in the life

A typical day as a thermal engineer

09
09:00 · Morning
design an electric heating system
Design the details of electric heating systems. Calculate the needed capacity for space heating under given conditions complying with available electrical power supply.
10
10:30 · Mid-morning
design passive energy measures
Design systems that achieve energy performance using passive measures (i.e. natural light and ventilation, control of solar gains), are less prone to failures and without maintenance costs and requirements. Complement passive measures with as few as necessary active measures.
12
12:00 · Midday
design thermal equipment
Conceptually design equipment for healing and cooling using heat transfer principles such as conduction, convection, radiation and combustion. The temperature for these devices should stay stable and optimal, since they continually move heat around the system.
14
14:00 · Afternoon
design thermal requirements
Engineer level design requirements for thermal products such as telecom systems. Improve and optimize these designs by using thermal solutions or experimentation and validation techniques.
15
15:30 · Late afternoon
interpret 2D plans
Interpret and understand plans and drawings in manufacturing processes which include representations in two dimensions.
17
17:00 · Wrap-up
operate solar thermal energy systems for hot water and heating
Use solar tube collectors systems to generate and store domestic potable hot water and heating, in order to increase energy performance.

Task order is illustrative. Individual days vary.

Software & Technologies & Knowledge areas
Software & Technologies
Autodesk AutoCADCCNC MastercamComputer aided manufacturing CAM softwareComputer numerical control CNC softwareDassault Systemes CATIADassault Systemes SolidWorksEkoEnterprise resource planning ERP softwareFileMaker ProGeometric CAMWorksIBM NotesMicrosoft AccessMicrosoft ExcelMicrosoft ExchangeMicrosoft Internet ExplorerMicrosoft Office softwareMicrosoft OutlookMicrosoft PowerPointMicrosoft Project
Knowledge areas
  • engineering processes

    The systematic approach to the development and maintenance of engineering systems.

  • heat transfer processes

    Field of information which distinguishes three types of heat transfers, such as conduction, convection and radiation. These processes set limits to the performance of thermal engineered components and systems.

  • mechanical engineering

    Discipline that applies principles of physics, engineering and materials science to design, analyse, manufacture and maintain mechanical systems.

  • thermal materials

    Field of information which distinguishes different kinds of thermally conductive and interface materials such as thermal modules used in electronic instrumentation and several energy applications. Their intention is to dissipate heat.

  • combined heat and power generation

    Technology that generates electricity and captures the heat that would otherwise be wasted to provide steam or hot water, that can be used for space heating, cooling, domestic hot water and industrial processes, thus contributing to energy performance.

  • distribution of heating cooling and hot water

    The design principles of water distribution systems for heating, cooling and domestic hot water and the relation with insulation, energy saving by optimal hydraulic design. The nature of energy loss in these systems caused by heat transfer, pressure loss (resistance of tubes and valves) and electrical power for pumps and valves.

Cross-sector skills
  • engineering principles
  • fluid mechanics
  • mechanics
Essential skills
analysing business operations
  • perform a feasibility study on electric heating

    Perform the evaluation and assessment of the potential of electric heating. Realise a standardised study to determine whether the application of electric heating is appropriate under the given condition and conduct research to support the process of decision making.

  • perform a feasibility study on heat pumps

    Perform the evaluation and assessment of the potential of a heat pump system. Realise a standardised study to determine costs and restrictions, and conduct research to support the process of decision making.

designing industrial materials, systems or products
  • adjust engineering designs

    Adjust designs of products or parts of products so that they meet requirements.

  • design thermal equipment

    Conceptually design equipment for healing and cooling using heat transfer principles such as conduction, convection, radiation and combustion. The temperature for these devices should stay stable and optimal, since they continually move heat around the system.

using computer aided design and drawing tools
  • use technical drawing software

    Create technical designs and technical drawings using specialised software.

  • use thermal analysis

    Use software tools such as Icepak, Fluens and FloTHERM as a means to develop and optimize thermal control designs in order to cope with a wide range of difficult problems regarding thermal products and properties of thermal materials.

designing systems and products
  • design an electric heating system

    Design the details of electric heating systems. Calculate the needed capacity for space heating under given conditions complying with available electrical power supply.

  • approve engineering design

    Give consent to the finished engineering design to go over to the actual manufacturing and assembly of the product.

designing electrical or electronic systems or equipment
  • design engineering components

    Design engineering parts, assemblies, products, or systems.

  • design passive energy measures

    Design systems that achieve energy performance using passive measures (i.e. natural light and ventilation, control of solar gains), are less prone to failures and without maintenance costs and requirements. Complement passive measures with as few as necessary active measures.

interpreting technical documentation and diagrams
  • interpret 3D plans

    Interpret and understand plans and drawings in manufacturing processes which include representations in three dimensions.

  • interpret 2D plans

    Interpret and understand plans and drawings in manufacturing processes which include representations in two dimensions.

advising on environmental issues
  • provide information on geothermal heat pumps

    Provide organisations and individuals searching for alternative methods to provide buildings with energy on the cost, benefits, and negative aspects of the installation and use of geothermal heat pumps for utility services, and what one must take into account when considering the purchase and installation of geothermal heat pumps.

developing solutions
  • troubleshoot

    Identify operating problems, decide what to do about it and report accordingly.

Skill DNA

Skill DNA

Work personality traits and values that define this role

Key traits you need
Attention to Detail Integrity Dependability Analytical Thinking Cooperation Initiative Persistence Adaptability/Flexibility Stress Tolerance Innovation Achievement/Effort Self-Control Leadership Independence Concern for Others Social Orientation
Key rewards you can expect
AchievementWorking Condit…RecognitionRelationshipsSupportIndependence
Career progression

Growth Pathways & Similar Roles

Explore typical career progression paths, adjacent skills, and similar roles to plan your next transition.

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Common questions

Frequently asked questions

What kind of industries employ thermal engineers?
Thermal engineers are in demand across a wide range of sectors, including aerospace, automotive, power generation, manufacturing, building services (HVAC), and even food processing. Any industry that relies on efficient heating, cooling, or energy transfer will likely have a need for thermal engineering expertise.
What skills are most important for a thermal engineer?
Strong analytical and problem-solving skills are essential. You’ll also need a solid understanding of thermodynamics, heat transfer, fluid mechanics, and materials science. Proficiency in simulation software (e.g., ANSYS, COMSOL) and CAD tools is highly valuable.
Is this a role that often requires fieldwork or lab work?
While much of the work involves design and analysis, thermal engineers often spend time conducting tests, inspecting equipment, and troubleshooting issues on-site. Lab work may be involved in material testing and validation of prototypes.