Thermal Engineer

Anzenwalls; City of London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A technology-driven startup is seeking a Thermal Engineer in London to drive research and development for innovative heat pumps. This full-time role requires at least 5 years in thermal engineering, focusing on design and validation of heat exchangers, with an emphasis on collaborative work and addressing complex engineering challenges. Join a passionate team contributing to sustainable energy solutions.

Benefits

Challenging engineering tasks

Collaborative team environment

Impactful work against climate change

Qualifications

• Strong background in thermodynamics and fluid mechanics.
• Previous experience on heat pumps and heat transfer problems.
• Ability to perform numerical calculations for CFD models.
• Experience in heat exchanger design and validation.
• Five years of thermal engineering experience required.

Responsibilities

• Initiate R&D in heat transfer for thermoelectric heat pumps.
• Manage work packages to de-risk product design.
• Produce detailed technical reports and drawings.
• Collaborate in a multidisciplinary engineering team.

Skills

Thermodynamics

Fluid mechanics

Numerical calculations

CFD modeling

Heat exchanger design

Experimental design

Manufacturing design

First-principle problem solving

MATLAB

Python

Tools

COMSOL

ANSYS

CAD

FEA

Job description

Job Title: Thermal Engineer (Background in thermal design and aerodynamic interactions)

Location: London, UK (on-site role)

At Anzen, we are redefining how modern buildings integrate low‑carbon heating and cooling systems by developing innovative, high-performance solid‑state heat pumps designed for sustainability, reliability, and ease of installation. As a fast-growing, venture-backed startup, we operate at the intersection of product design, thermal systems, and building performance, and we’re seeking ambitious engineers to join us on this mission.

Role Description

Anzen is seeking a full-time Thermal Engineer to join our engineering team at our office in London. In this on‑site role, you will innovate and initiate research and development in various heat transfer problem statements for our thermoelectric heat pump. You will look after ideation, concept development, CFD validation, experimental development and validation, design for manufacture and assembly, and supplier management.

Qualifications

• Strong background in thermodynamics and fluid mechanics with previous experience working on heat pumps, heat batteries, chip cooling, thermoelectric modules in any application area ranging from homes to vehicles.
• Ability to perform numerical firsthand calculations to running CFD models for heat transfer problems. Previous experience in R&D roles of developing heat exchangers in rapid iterative design and development of novel approaches to heat transfer problems.
• Experimental design and execution from benchtop test to system level testing
• Background in airflow improvements ranging from first principle design to selection of appropriate fans. Previous experience working on acoustic dampening
• Ability to design for manufacturing and assembly with suppliers, assemblers, and manufacturers.
• Identify, define, and manage work packages to de-risk areas of the product design early in the life cycle, ensuring robust and reliable outcomes.
• Produce detailed technical reports and drawings, supervise detailed design and manufacture, and prepare and manage documentation.
• Be self‑driven in solving complex engineering challenges while working within a growing, motivated team. Work within a multidisciplinary team, promoting a collaborative environment that encourages creativity, innovation, and excellence.
• Thermal Engineering Expertise: Minimum 5 years experience in thermal engineering, heat transfer (using COMSOL/ANSYS), and fluid mechanics.
• Heat Exchanger Design and Validation: Proficient in designing heat exchangers from first principles and performing high‑end validation with suppliers. Experience with new product development design for manufacturing (CAD and FEA).
• First‑Principle Problem Solving: Ability to solve complex thermal and fluid mechanics problems using fundamental principles of thermodynamics and fluid dynamics.
• Experimental Validation: Design and development of experiments to validate digital models. Previously worked on MATLAB and/or python scripts to perform post-processing of results. Experience with sensors, data logging, and building test rigs to validate and identify key challenges in the design.

What Anzen Offers

• No Day Feels the Same: There will be significant engineering challenges and breakthroughs to celebrate.
• Great Team: We are a passionate set of engineers, designers, coders, and sustainability enthusiasts who are all hands‑on‑deck at all times!
• Impactful Work: Join us in our mission to make clean energy accessible and scalable, contributing to the fight against climate change and the eradication of fuel poverty.

Seniorities

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Engineering and Information Technology
• Industries: Construction Hardware Manufacturing

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