Senior authorised person

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 400kV. 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!

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.

The Role

We are looking for a Project Engineer ‘Senior Authorised Person (SAP)’ to support the operational delivery of HV and LV installations for some of the UK’s biggest rollout of Electric Vehicle (EV), Renewables and I&C projects, along with direct responsibility for the works carried out by the junior team members.

You’ll be responsible for ensuring all electricity networks are installed in a safe and professional manner and to a high standard in line with Sinewave safe working practises.

An idea of what you'll be doing:

• You’ll be working with some of the biggest low carbon projects in the UK
• You’ll manage and supervise all site personnel working on HV & LV networks.
• You’ll assist in the testing and commissioning of HV/LV distribution systems.
• You will plan and co-ordinate projects and fault response callouts.
• You’ll assist in the training and development of Sinewave colleagues wishing to become an LV AP or HV AP.
• You will carry out audits, produce reports for works undertaken and manage project budgets to ensure team efficiency.
• Act as a Standby Engineer for our extensive O&M portfolio with over 2000 sites across the UK.

Requirements

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.

You’ll have a proven track record of:

• Assessing potentially hazardous and dangerous situations, taking appropriate action to ensure the safety of personnel, other site operatives and the public.
• Undertaking site specific risk assessments and creating RAMS, and competent in issuing and cancelling safety documents.
• Ensuring personnel and your wider team understand duties under safety documents.
• Carrying out network operations under instruction from the Network Control Engineer.
• Understanding the local network anomalies and ensuring correct phase rotation.

You’ll already have experience & qualifications in:

• Currently hold (or have held) authorisations up to 33kV including permit to work (accepting 11KV with extensive experience).
• CSCS (affiliated).
• 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.
• Full UK driving license (Maximum of 3 points).

In return for everything you can bring, we can offer you an exciting place to work with a welcoming and friendly workforce. We are a fast‑growing, dynamic business and even as our team grows in number, maintaining our company culture is important to us. We want to keep the feeling of being part of a small business alive, no matter how big we get.

Paid Travel Time

At Sinewave, we understand the importance of valuing your time. As part of this role, you will be compensated for your travel time to and from project sites, ensuring you're rewarded not only for your work but also for the effort it takes to get there. This is just one of the ways we demonstrate our commitment to supporting our team.

Whether you’re based in the HQ in Swindon, field based, or working from home we have a lot to offer:

• The usual stuff - along with a competitive salary, life assurance, we provide enhanced pension contributions matching 5% as standard.
• 25days + Bank Holidays as standard – ensuring you have time to spend with family and friends
• Private Medical - We hope you’ll never need it, but just in case. We offer a fully comprehensive medical scheme that can extend to your family as well.
• Sinewave Academy - Our academy is dedicated to providing you with all the tools and training needed to power your career.
• SinewaveWorx - Our bespoke perks platform getting you discounts and cash back at loads of high street retailers.

If you think this is the right role for you and you want to be a part of #TeamSinewave, we’d love to hear from you. Please apply with a copy of your CV and brief covering letter explaining why this is the role for you.