Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead high-voltage cable design projects and ensure compliance with industry standards.
- Company: Join a leading engineering firm focused on innovative electrical solutions.
- Benefits: Enjoy competitive salary, flexible working, and professional development opportunities.
- Other info: Collaborative environment with opportunities to mentor junior engineers.
- Why this job: Make a real impact in the energy sector while advancing your career.
- Qualifications: Degree in Electrical Engineering and extensive HV/EHV cable design experience required.
The predicted salary is between 60000 - 80000 £ per year.
Role Purpose: The Senior HV/EHV Cable Design Engineer will act as the company's technical authority for high‑voltage and extra‑high‑voltage underground cable systems up to 400kV AC within the UK. The role provides expert leadership across all stages of cable system design – from feasibility and concept design through detailed engineering, installation support, commissioning input, and lifecycle performance assessment. The postholder will set engineering standards, ensure compliance with UK transmission and distribution requirements, and support business growth through deep technical capability.
Key Responsibilities
- Serve as the company's subject matter expert for HV/EHV cable system design up to 400kV AC.
- Develop and maintain engineering standards, design methodologies and quality assurance processes relating to underground cable systems.
- Provide expert oversight on thermal analysis, route engineering, earthing studies, jointing methodologies, system performance and asset ratings.
- Lead and/or review concept, FEED and detailed designs for major onshore cable projects.
- Produce and verify cable system design documentation including cable ratings, sheath bonding calculations, trench profiles, fault studies, pulling calculations and installation methodologies.
- Undertake or approve technical risk assessments and mitigation strategies during design stages.
- Provide specialist technical support to construction and commissioning teams, including interpretation of test results and resolution of complex issues.
- Ensure designs comply with UK regulatory, utility and industry standards (e.g., NG ESO/NGED/SSEN, IEC, CENELEC, ENA, Cigre).
- Maintain awareness of changes in relevant legislation, specifications and good practice, advising the company accordingly.
- Provide expert input into CDM design risk registers and safety‑by‑design principles.
- Act as, or provide technical support to, the Contractor Design Assurance Engineer (CDAE) or Lead Contractor Design Assurance Engineer (LCDAE).
- Guide internal teams on design assurance, technical governance and project approval processes.
- Lead evaluation and adoption of new cable technologies, materials and installation techniques.
- Contribute to research, development and internal training programmes to uplift the organisation's cable engineering capability.
- Represent the company in technical meetings with clients, suppliers, manufacturers and statutory bodies.
- Prepare and deliver high‑quality technical reports, presentations and design justifications.
- Support business development through technical bids, scopes and client advisory services.
Essential Skills & Experience
- Extensive demonstrable experience in the design and analysis of HV/EHV cable systems (DC, 11kV‑400kV AC) within the UK electrical infrastructure environment.
- Expertise in cable ratings, thermal modelling, bonding and earthing, system layout and installation engineering.
- Proven track record of delivering complex cable projects for Transmission Operators, Distribution Network Operators, ICPs or major EPC contractors.
- In‑depth understanding of IEC 60287, IEC 60840, IEC 62067, CENELEC standards, ENA TS documents and TO‑specific specifications.
- Experience performing or holding the CDAE or LCDAE role for HV/EHV cabling.
- Strong communication skills with the ability to influence technical decisions at senior levels.
- Degree in Electrical Engineering or related discipline; Chartered Engineer status preferred.
Personal Attributes
- Highly analytical with strong problem‑solving capability.
- Detail‑oriented with a structured approach to engineering assurance.
- Collaborative, supportive and capable of mentoring junior engineers.
- Confident representing the company as a technical authority.
Benefits
- Competitive salary and pension scheme.
- Flexible working and leave options.
- Professional development and training programmes.
- Health and wellbeing support.
- Participatory incentive scheme.
Senior EHV Cable Designer in London employer: Mitie Cleaning & Hygiene Services
Contact Detail:
Mitie Cleaning & Hygiene Services Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior EHV Cable Designer in London
✨Tip Number 1
Network like a pro! Get out there and connect with industry professionals on LinkedIn or at local events. We all know that sometimes it’s not just what you know, but who you know that can land you that dream job.
✨Tip Number 2
Prepare for interviews by practising common questions and showcasing your expertise in HV/EHV cable systems. We recommend doing mock interviews with friends or mentors to boost your confidence and refine your answers.
✨Tip Number 3
Don’t forget to follow up after interviews! A quick thank-you email can go a long way in showing your enthusiasm for the role. We suggest mentioning something specific from the interview to make it personal.
✨Tip Number 4
Apply through our website for the best chance of getting noticed! We’re always on the lookout for talented individuals like you, so make sure your application stands out by highlighting your relevant experience and skills.
We think you need these skills to ace Senior EHV Cable Designer in London
Some tips for your application 🫡
Show Off Your Expertise: Make sure to highlight your extensive experience in HV/EHV cable systems. We want to see how you've tackled complex projects and what makes you the go-to person in this field. Don’t hold back on those technical details!
Tailor Your Application: Customise your CV and cover letter to reflect the specific skills and experiences mentioned in the job description. We love it when candidates connect their background directly to what we’re looking for, so make it personal!
Be Clear and Concise: When writing your application, keep it straightforward and to the point. We appreciate clarity, especially when it comes to technical details. Use bullet points where possible to make your achievements stand out.
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at Mitie Cleaning & Hygiene Services
✨Know Your Stuff
Make sure you brush up on your knowledge of HV/EHV cable systems, especially the standards and regulations mentioned in the job description. Be ready to discuss your experience with thermal analysis, earthing studies, and design methodologies. This will show that you're not just familiar with the concepts but can also apply them practically.
✨Showcase Your Leadership Skills
As a Senior Engineer, you'll be expected to lead projects and mentor junior engineers. Prepare examples from your past experiences where you've successfully led a team or influenced technical decisions. Highlight how you’ve contributed to project success and how you can bring that expertise to the new role.
✨Prepare for Technical Questions
Expect in-depth technical questions related to cable ratings, fault studies, and installation methodologies. Practise explaining complex concepts clearly and concisely, as you may need to communicate these ideas to clients or team members who aren't as technically savvy.
✨Ask Insightful Questions
At the end of the interview, have a few thoughtful questions ready about the company's current projects, their approach to adopting new technologies, or how they support professional development. This shows your genuine interest in the role and helps you assess if the company is the right fit for you.