Cable Jointer (Supervisor)

Sinewave Energy Solutions; United Kingdom; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading energy solutions provider in the UK seeks a Field Supervisor to join their Jointing team. This role involves supervising teams, ensuring safety and compliance, and providing technical support. Candidates should have a proven track record in supervising cable jointing, strong communication skills, and relevant qualifications including NVQ Level 2 in Electrical Engineering. This is an excellent opportunity for those looking to make an impact in the energy sector and contribute to sustainable practices.

Qualifications

• Proficient in the use of Productivity and Collaboration Software on multiple platforms.
• Demonstrated communication skills, both verbal and written.
• Thorough knowledge of cable jointing procedures, especially up to 132 kV.

Responsibilities

• Supervise jointing teams and take part in line management activities.
• Act as the point of escalation for jointing teams.
• Provide technical support and ensure compliance with regulations.

Skills

Communication

Interpersonal skills

Attention to detail

Knowledge of cable jointing procedures

Education

NVQ Level 2 in Electrical Engineering

City and Guilds 232 in Electrical Engineering

CSCS card or affiliated

Tools

Microsoft Office

Microsoft Teams

SharePoint

Job description

Sinewave was founded in 2015 with a clear mission from the very start – everything that we do will always be a power for good. Since then, we have gone from a living room start‑up to a leading force within the energy transformation sector. Not bad, eh!

We are on a mission to help power the future more sustainably. But don't just take our word for it, we are the only B‑Corp Certified ICP in the world.

We're part of powering the UK's energy transition with innovative high and low voltage electrical solutions up to 400 kV. From EV charging to renewables and commercial projects, we design, deliver, and maintain networks with sustainability and efficiency at heart. Join us to drive change and make an impact!

This role:

We are looking for a Field Supervisor to come and join our growing Jointing team. This will be someone who challenges what we do daily and thrives working in a fast‑paced environment with tight deadlines helping us build for the future.

An idea of what you'll be doing:

• Supervise jointing teams, taking on direct line management activities and supporting development.
• Act as the point of escalation for jointing teams.
• Recognise danger, suspend any work activities until safe and liaise with the appropriate person(s) to create a safe workplace.
• Provide technical support for all operational teams.
• Review associated documentation and ensuring formal risk assessments are being completed appropriately.
• Carry out quality and safety audit.
• Carry out works within the public adopted highway (having correct qualifications to do so).
• Support on site works as required and provide suitable feedback to project management.
• Review and lead work instructions through plans, drawings and written or verbal communication.
• Carry out works within confined spaces using established safety procedures.
• Carry out jointing works in accordance with safe working practices and in compliance with the adopting DNO's codes of practice.
• To excavate cable trenches and joint bays using hand held tools and equipment.
• To ensure the jointing van is kept tidy and that replenishment of consumables is carried out as necessary.
• To allow for entry into substations for jointing, installation and standby duties.
• Contribute to the structure of the joining teams, including upskilling and recruitment activities.

When you join you will go through our top‑notch induction and onboarding process and have opportunities to develop further through our in‑house training academy.

Everyone belongs here at Sinewave.

At Sinewave, we are proud to be an equal opportunities employer, dedicated to creating a diverse and inclusive workplace where everyone feels valued and empowered to contribute. We know what it takes to change the world and that's why we review all applications impartially, ensuring decisions are based solely on merit, skills, and potential. If you require any adjustments to support you through the application or interview process, please let us know—we're here to help. #teamsinewave

Requirements

You’ll have a proven track record of:

• Proficient in the use of Productivity and Collaboration Software such as Microsoft Office, Microsoft Teams, SharePoint etc. across multiple platforms such as smart phones, tablets, laptops etc.
• Excellent communication, including ability to adapt communication styles and outstanding listening skills with ability to follow verbal and written instructions.
• Strong interpersonal skills with demonstrated ability to use own initiative as well as work collaboratively as part of a team.
• Have a thorough knowledge of cable jointing procedures (up to 132 kV) highly desirable.
• Able to interpret mains records.
• Good knowledge of Electricity Supply, Quality, Continuity Regulations.
• Excellent understanding of Electricity at Work Regulations.
• Strong understanding of COSHH.
• Strong attention to detail and timekeeping ability.
• Confident and able to demonstrate safe use of hydraulically operated plant and equipment.

You’ll be a successful Field Supervisor at Sinewave if you're …

• Full UK driving license (Maximum of 3 points).
• Minimum 3 years’ proven track record in supervising a team of Jointers.
• CSCS card or affiliated.
• NVQ Level 2 or City and Guilds 232 in Electrical Engineering.
• Recognised DNO/IDNO LV, LV live, 11 kV and/or 33 kV cable jointing training.
• Experienced with all types of HV cable terminations including 3 Core XLPE, Single Core Triplex, SWA, STA, PILC.
• Fitting experience would be an advantage.
• Fault finding experience.