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NTT DATA Logo NTT DATA · IT - Software Development

Principal Power Systems Engineer

United Kingdom, London · Job Posted June 16, 2026
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Job Description

The Principal Design Engineer in the Power systems engineering division at NTT Data will be engaged with our Critical National Infrastructure clients in the Power and Gas sectors in the UK and Ireland. The role will require working in leadership and execution functions in Power Network design and modelling teams engaged with Distribution Network Operators and Transmission System Operators in the UK, and you will act as a trusted advisor at the Department head level for the Network Planning and Engineering divisions of our clients

Job Responsibility

  • Network modelling and design on DigSILENT PowerFactory, IPSA, DINIS, PSS-SINCAL and other network modelling applications
  • Load Flow Analysis
  • Thermal, Voltage and Fault Level analysis
  • Preparation of G99 compliant offer letters on behalf of power DNOs and TSO for EHV and HV level major connections
  • Approval of G99 schemes on behalf of DNO clients
  • Design and configuration of Active Network Management schemes on platforms such as SGS and ZIV
  • Curtailment analysis for ANM schemes
  • Design AI and ML oriented software solutions to automate power systems analysis processes
  • Design and optimise technical and financial modelling solutions for our power generation clients for revenue maximisation though technical power input and output optimisation
  • Design Load and Generation forecasting methodologies and solutions for DNOs,TSOs, BESS operators and other power generators
  • Design whole system Flexibility management solutions for our power distribution clients
  • Engage with key client-side departments related to network planning, modelling, design, flexibility systems and capital projects as a trusted advisor
  • Performing Protection design and substation design at 132KV level

Requirements

  • Masters degree and preferably a PhD in Power Systems engineering
  • A relevant bachelor’s degree supported by over 10 years of industry experience will be considered equivalent
  • Able to perform activities such as Load Flow Analysis, Thermal and Voltage constraint analysis, Fault level analysis in the context of DNOs,TSOs, Large-scale Generation projects (Wind, Solar, Battery) and large power infrastructure projects
  • Have specialised experience working with Power distribution networks or Power Transmission networks in the UK, Ireland or pertinent major overseas distribution or transmission network working at the 132KV and above. This can include your Ph.D duration
  • Due consideration will be given to senior roles in a DNO or TSO environment
  • Experience in major power systems modelling tools such as DigSilent PowerFactory, PSS-E, PSS-SINCAL and IPSA. You will have relevant experience in Protection Design toolsets
  • Have a working understanding of creation of automation and AI solutions on power network systems using toolsets such as Python or DigSilent Programming Language
  • Experience working on actual client projects in Grid Supply point level (132KV and above) Substation design or Protection design

What we offer

  • Flexible work options
  • Continuous growth and development opportunities
  • Range of tailored benefits that support physical, emotional, and financial wellbeing
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