Power Electronics Systems Engineer

Tata Consultancy Services Limited; Gaydon; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Pension

Health care

Life assurance

Laptop

Phone

Extensive training resources

Job summary

Tata Consultancy Services Limited is hiring a Power Electronics System Engineer to join our UK team in Gaydon. You will contribute to the design, development and validation of high-voltage power conversion systems for electric vehicle applications, collaborating with global cross-functional teams to ensure safe, efficient solutions.

You will work across system architecture, requirements, simulation, component selection and verification, applying robust topologies and conducting root cause

Qualifications

• Experience with 400V/800V HV vehicle architectures and battery systems.
• Deep understanding of power semiconductor technologies (IGBT/MOSFET/SiC/GaN).
• Hands-on knowledge of switching converters and traction inverter topologies.
• Experience in system-level validation and root cause analysis.
• Knowledge of embedded systems hardware and memory architectures.

Responsibilities

• Design, develop and validate high-voltage power conversion systems for EV applications.
• Define system architectures and develop technical requirements for HV applications.
• Apply HV/LV conversion topologies and power supply concepts.
• Select and evaluate power electronic components (MOSFETs, IGBTs, SiC, GaN).
• Perform power-loss estimation and thermal analysis for power devices.
• Develop model-based loss assessments using MATLAB/Simulink and circuit simulations (PSpice/LTspice).
• Plan and prioritise engineering activities within global Agile teams (Scrum).

Skills

HV architectures

Power electronics

MATLAB/Simulink

PSpice/LTspice

Embedded systems

Tools

PSpice

LTspice

Simulink

Job description

If you need support in completing the application or if you require a different format of this document, please get in touch with at [e-mail] or call TCS London Office number 02031552100 / [phone] with the subject line: “Application Support Request”.

Role: Power Electronics System Engineer

Mode: Permanent

Location: Gaydon

Careers at TCS: It means more

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

• Work on advanced electric vehicle power conversion and high-voltage charging technologies.
• Contribute to the design and validation of critical systems including onboard chargers, DC-DC converters and traction inverters.
• Collaborate with global engineering teams to solve complex technical challenges and deliver reliable automotive solutions.

The Role

As a Power Electronics System Engineer, you will support the design, development and validation of high-voltage power conversion systems for electric vehicle applications. You will contribute across system architecture, requirements engineering, simulation, component selection, validation and root cause analysis, working with global cross-functional teams to deliver safe, efficient and reliable solutions.

Your responsibilities:

• Design, develop and validate power conversion systems, including onboard chargers, DC-DC converters, high-voltage junction boxes, battery charging systems and traction inverters.
• Define system architectures, develop technical requirements and conduct feasibility studies for high-voltage automotive applications.
• Apply linear and switch-mode power supply topologies, including high- and low-voltage buck/boost, PFC, LLC, PSFB, HV-HV and HV-LV conversion.
• Select and evaluate power electronic components, including MOSFETs, IGBTs, SiC devices and operational amplifiers.
• Perform power-loss estimation, thermal analysis and heat-sink selection for power semiconductor devices.
• Develop model-based power-loss assessments using MATLAB/Simulink and conduct circuit simulations using PSpice, LTspice or equivalent tools.
• Apply Worst Case Analysis and basic Signal Integrity principles to improve design robustness and reliability.
• Support the design, debugging, optimisation and root cause analysis of high-power traction inverter systems.
• Prepare, review and validate technical documentation in line with automotive development lifecycle requirements.
• Plan and prioritise engineering activities, collaborating effectively within global Agile teams using Scrum and Sprint practices.

Your Profile

Essential skills/knowledge/experience:

• Strong knowledge of 400V and 800V high-voltage vehicle architectures, battery systems and EV charging infrastructure.
• Extensive understanding of power semiconductor technologies, including IGBT, MOSFET, SiC and GaN devices.
• Hands-on knowledge of switching converters, power supply architectures and traction inverter topologies.
• Experience in system-level validation, technical troubleshooting and structured root cause analysis.
• Knowledge of microcontrollers, microprocessors and memory architectures used in embedded systems.
• Experience with MATLAB/Simulink and circuit simulation tools such as PSpice and LTspice.
• Understanding of automotive development lifecycles and engineering frameworks, including ASPICE and the V-model.
• Experience in software integration for embedded or automotive systems.
• Practical experience with vehicle charging systems and applications.
• Awareness of EV charging standards, including CCS/Combo, DIN 70121 and ISO 15118.

TCS is consistently voted a Top Employer in the UK and globally.

• Pension
• Health care
• Life assurance
• Laptop
• Phone
• Access to extensive training resources
• Discounts within the larger Tata network

We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.

Diversity, Inclusion and Wellbeing

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.

We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at [e-mail] if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at [e-mail] with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / [phone] to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.