Senior Thermal Engineer: High-Power Electronics & Systems

Concurrent Technologies Plc; Colchester; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

25 days holidays + bank holidays and 3

Annual profit share bonus

Cycle to work scheme

Private Health Insurance

Generous pension up to 10%

Volunteering day

Employee assistance programme

Death in service benefit

Job summary

Concurrent Technologies Plc is seeking a Senior Thermal Engineer to own thermal performance for high-power electronic systems. You will lead thermal design, modelling, and validation, coordinating with mechanical and electrical teams to deliver robust, manufacturable solutions.

The role requires hands-on experience with heat transfer fundamentals, CFD tools, and CAD-driven development. You will influence system architecture from concept to production and drive improvements across tools and

Qualifications

• Significant experience in thermal design of electronics or high-power systems.
• Strong proficiency in CFD tools (e.g. SolidWorks Flow Simulation).
• Excellent understanding of heat transfer fundamentals and practical application.
• Experience with conduction and air-cooled systems in constrained environment.
• Proven hands‑on mechanical design experience (not just analysis).
• Strong CAD capability (SolidWorks).
• Experience designing thermal/mechanical assemblies for production.
• Understanding of tolerancing, interfaces, and real-world build constraints.
• Demonstrated ability to take ownership of designs from concept through to production.
• Understanding of manufacturing processes and lifecycle considerations.

Responsibilities

• Own thermal architecture and design for complex electronic systems.
• Perform detailed thermal modelling using CFD and analytical approaches.
• Define and manage thermal budgets and worst-case analyses.
• Develop and optimise cooling solutions (forced air, conduction, hybrid).
• Ensure designs meet performance requirements across environmental conditions.
• Correlate simulation results with physical test data and refine models.

Skills

Thermal design

CFD

Heat transfer

Mechanical design

CAD (SolidWorks)

Design for production

Materials selection

Leadership

Education

Mechanical Engineering degree

Thermal Engineering degree

Chartered Engineer status (advantageous)

Tools

SolidWorks Flow Simulation

SolidWorks CAD

Job description

Concurrent Technologies Plc is seeking a Senior Thermal Engineer to own thermal performance for high-power electronic systems. You will lead thermal design, modelling, and validation, coordinating with mechanical and electrical teams to deliver robust, manufacturable solutions.

The role requires hands-on experience with heat transfer fundamentals, CFD tools, and CAD-driven development. You will influence system architecture from concept to production and drive improvements across tools and