Qualified Electrician/Site Supervisor

Twentyoneengineering; Braintree, City of London; On-site; GBP 30,000 - 40,000; Full time

Job summary

A leading engineering firm in Braintree is seeking a skilled Electrician for a full-time position. You will perform electrical installations and maintenance, ensuring safety compliance on high-impact projects throughout the UK. The ideal candidate has relevant certifications and strong troubleshooting skills. Join a collaborative team dedicated to making a difference in the renewable energy sector.

Benefits

Opportunities for personal development

Collaborative team culture

Qualifications

• Proven experience in electrical installation, testing, and maintenance.
• Strong knowledge of electrical systems and wiring regulations.
• Confidence in troubleshooting and resolving technical issues.

Responsibilities

• Carry out electrical installations, upgrades, and modifications.
• Perform testing, inspection, and fault-finding on systems.
• Ensure all work meets safety regulations and project specifications.

Skills

Electrical installation

Testing and maintenance

Troubleshooting

Knowledge of safety standards

Education

City & Guilds Level 3

JIB/ECS Gold Card

Job description

Office Manager (Finance) – Twenty One Engineering Limited

About Us

At Twenty One Engineering, we provide world‑leading energy and engineering support to clients across the UK, helping them significantly reduce energy intensity. With nearly 2 decades of experience supporting the UK’s largest REITs, we now offer our expertise across a range of commercial and industrial sectors.

The Opportunity

We’re looking for a skilled, motivated and fully qualified Electrician to join our growing team. This is a full‑time, site‑based role. While our office is based in Braintree, the work will take place at client sites across London most of the time, and may also involve travel across the UK as required.

If you thrive in a hands‑on environment, enjoy working on high‑impact projects, and take pride in delivering quality electrical solutions, you could be a great fit.

Key Responsibilities

• Carry out electrical installations, upgrades, and modifications.
• Perform testing, inspection, and fault‑finding on systems and components.
• Support other electricians or subcontractors as required.
• Ensure all work meets safety regulations and project specifications.
• Maintain accurate records and documentation for completed work.

What We’re Looking For

• Proven experience in electrical installation, testing, and maintenance.
• Strong knowledge of electrical systems, wiring regulations, and safety standards.
• Confidence in troubleshooting and resolving technical issues.
• Relevant certification (e.g., City & Guilds Level 3, NVQ, or JIB/ECS Gold Card) – 18th Edition Wiring Regulations (BS 7671), Inspection and Testing (C&G 2391).
• A proactive, reliable, and safety‑conscious approach.

Why Join Us?

• Be part of an agile, growing engineering company making a real environmental impact.
• Work on high‑profile commercial and energy projects.
• Opportunities for personal development and skills training.
• Collaborative and inclusive team culture.

At Twenty One Engineering, we’re committed to building a diverse and inclusive workplace. We welcome applications from all individuals regardless of age, disability, gender identity, race, religion or belief, sexual orientation, or background.

If you require any reasonable adjustments during the application or interview process, please don’t hesitate to let us know.

Seniority level

Associate

Employment type

Full‑time

Industries

Renewable Energy, Semiconductor Manufacturing

Referrals increase your chances of interviewing at Twenty One Engineering by 2x.