At a Glance
- Tasks: Maintain and repair critical electrical equipment to keep the UK's power flowing.
- Company: Join National Grid, a leader in modernising the UK's electricity network.
- Benefits: Competitive salary, paid overtime, generous holiday, and pension contributions.
- Other info: Receive industry-leading training and enjoy excellent career growth opportunities.
- Why this job: Make a real impact on the future of energy while building a rewarding career.
- Qualifications: Apprenticeship or NVQ/Level 3 in Engineering/Mechanical with relevant experience.
The predicted salary is between 40500 - 49500 £ per year.
Keep Britain's electricity network moving — and help power the future.
National Grid is investing heavily in the UK's electricity transmission network, expanding and modernising substations to meet future energy needs.
We're growing our London North West team and looking for 2 skilled engineers ready to build a long-term career maintaining some of the country's most critical infrastructure.
Pay and Benefits
Salary package £53,521 pa including allowances.
- Paid overtime + Bonus (2026 – up to 4%).
- 26 days holiday plus 8 statutory days, Company commercial vehicle from home to work.
- Contribution Pension – employee up to 6% Company up to 12% Max Total 18%.
- Hours - 37 Avg Monday to Friday, Days only (Winter 36 hrs / Summer 38 hrs - 4 day working pattern).
- For further benefits information please click the link -
Benefits | National Grid Careers
Role Overview
This hands-on, mechanically biased engineering role on electrical equipment involves maintaining, repairing and overhauling the equipment that keeps National Grid's Electricity Transmission substations operating safely and efficiently.
Working predominantly outdoors and sometimes at height on a mobile platform, you'll carry out a wide range of maintenance activities including:
- Stripping, inspecting and rebuilding mechanical components
- Diagnosing faults and carrying out repairs
- Replacing worn and ageing components including bearings, seals, fasteners and moving parts
- Installing new or refurbished equipment
- Supporting planned maintenance and emergency breakdown response
- Performing routine inspections and condition monitoring
You'll work on specialist equipment including
- Circuit breakers, Power transformers, High-speed on-load tap changers, Air compressor systems
Cable systems, Ancillary equipment across high-voltage substations.
Every day brings new challenges, from rebuilding equipment and aligning components to solving mechanical faults.
We'll provide industry-leading training at our Eakring Training Centre in Nottinghamshire, alongside practical site learning, to help you build specialist high-voltage engineering expertise.
Training may include occasional stays away from home, supported by overnight and mobility allowances.
Some weekend working is required, with paid overtime available.
Qualifications, Skills and Experience
We're keen to hear from candidates with
- A recognised apprenticeship in Engineering/Mechanical, or an NVQ/Level 3 Engineering/Mechanical qualification with relevant industrial fitting experience .
- Strong mechanical/electrical maintenance, overhaul or installation experience.
- Experience stripping, rebuilding and repairing plant and equipment.
- Confidence using hand tools, power tools, precision measuring equipment and torque tools.
- A proactive approach to fault finding and problem solving.
- A strong commitment to safe working practices and can work at height.
- A full UK driving licence.
- Confidence using a computer and i Pad.
- You live within approximately within 40 minutes travel of Watford, WD25 8DT.
It would be great if you also have
- Experience working on high-voltage equipment
- Previous experience within power generation, utilities, manufacturing, heavy engineering industries.
- NEBOSH or IOSH qualifications
Please note that visa sponsorship and relocation packages are not available for this role.
Build a career that powers the UK
If you want a role where your skills are valued, your development is supported and your work makes a genuine difference, we'd love to hear from you.
#LI-RG2
Mechanical Fitter - Watford in London employer: National Grid
At National Grid, we pride ourselves on being an excellent employer, offering a dynamic work culture that fosters innovation and collaboration. With competitive salaries, generous bonuses, and a robust pension scheme, we ensure our employees are well rewarded for their contributions. Our commitment to diversity and inclusion, along with flexible working arrangements, empowers our team members to thrive both personally and professionally in the heart of the UK's energy sector.
StudySmarter Expert Advice🤫
We think this is how you could land Mechanical Fitter - Watford in London
✨Get Your Hands Dirty at Engineering Events
Join local engineering meetups or industry conferences related to mechanical engineering. Whether it's a workshop or a career fair, these events are goldmines for networking and getting a foot in the door. Plus, you can showcase your passion and enthusiasm directly to potential employers like National Grid.
✨Connect with Professors & Peers
Tap into your university’s resources—professors often have connections in the industry. Don’t be shy to ask about potential openings or recommendations. Your classmates might also know of companies hiring. Often, it’s who you know that gets you in front of the right people!
✨Highlight Your Projects and Practical Experience
When you land those interviews, make sure to talk about your hands-on projects or internships. Whether it's a design project or hands-on experience with CAD software, specific examples will make you stand out. Companies like National Grid love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of National Grid and apply directly through there. It shows initiative and interest in their specific values. Plus, you'll often find openings that aren't advertised on job boards, giving you a better chance to land that full-time gig!
We think you need these skills to ace Mechanical Fitter - Watford in London
Some tips for your application 🫡
Show Off Your Technical Expertise:In mechanical engineering, it’s vital to highlight your technical skills and projects. Make sure to include relevant software proficiency (like CAD tools) in your CV. If you've worked on specific engineering projects, detail your key contributions — we want to see how you’ve applied your skills in a practical setting!
Focus on Problem-Solving Examples:Employers in mechanical engineering love to see how you handle challenges. Use your cover letter to share specific instances where you’ve solved a complex problem or improved a design. This will show us you're not just knowledgeable but also capable of applying that knowledge effectively.
Highlight Relevant Certifications:Include any relevant certifications or training that can set you apart from the competition. Whether it's coursework from your degree, a recognised certification, or extra training in new technologies, we love to see candidates who continuously improve their skill set. This tells us you're serious about your career in engineering!
Tailor Your CV for the Role:Don’t forget to customise your CV for National Grid and the Mechanical Fitter - Watford role specifically. Pull examples from your experience that align with the job description — it shows us you've done your research and are genuinely interested in becoming part of the team. We recommend applying through our website to ensure your application gets to the right people!
How to prepare for a job interview at National Grid
✨Brush Up on Your CAD Skills
Since mechanical engineering often involves design processes, be ready to showcase your proficiency in CAD software like SolidWorks or AutoCAD. Bring along a digital portfolio or even some sketches that demonstrate your design capabilities — it’s a great way to show what you can bring to the table at National Grid.
✨Prepare for Technical Questions
Expect technical questions that test your understanding of engineering principles and problem-solving skills. You might get hypothetical scenarios where you need to design a component or troubleshoot a mechanical system. Practising these types of questions will give you the confidence to tackle whatever comes your way!
✨Show Your Team Spirit
As a full-time mechanical engineer, collaboration is key! Be ready to share examples of past team projects or any experiences where you contributed to solving a complex problem with others. Demonstrating your ability to work in a team will resonate well with the interviewers at National Grid.
✨Discuss Your Future Goals
Since this is a full-time position, your long-term vision is important. Be open about your career aspirations, whether it’s mastering a specific tool or leading projects. This shows that you're committed not just to learning but also to growing with National Grid, making you a more appealing candidate.
