Commissioning Engineer

Sinewave wasfounded in 2015 with a clear mission from

the very start - everything that we do will always be apower 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!

This role:

We are looking for a Commissioning Engineerto come and join

our growing Engineering 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:

• Deliver commissioning of LV up

to 132kV electrical systems across ICP projects, including Solar and BESS

installations.

• Configure, test and

fault-find protection and control systems, including overcurrent, earth fault,

line differential, sensitive earth fault, G99 and G100 schemes.

• Plan and support

energisation activities, including switching plans, safety documentation and

coordination with authorised persons.

• Develop, review and maintain

commissioning plans, procedures, inspection and test plans, test sheets and

risk controls.

• Interface with DNOs and

IDNOs to demonstrate network compliance and secure acceptance of protection and

commissioning arrangements.

• Lead the design to commissioning handover and provide technical

input to design reviews, constructability reviews and project planning.

• Participate in site

inspections, factory and site acceptance testing, witness testing and client or

network-operator hold points.

• Commission and test

transformers and switchgear up to 132kV, associated protection systems, SCADA

interfaces and network communications.

• Undertake or coordinate

cable testing, including VLF, oversheath and DC pressure testing where

applicable.

• Diagnose and resolve

technical issues during commissioning and early operational phases, escalating

material risks promptly.

• Produce accurate

commissioning reports, test records, as-built information, defect schedules and

handover documentation.

• Support operations and

maintenance contracts through planned maintenance, fault response and technical

investigation.

• Ensure work complies with

relevant legislation, industry standards, client specifications, Distribution

Safety Rules and Sinewave procedures.

• Promote safe systems of work

and stop work where conditions, controls or authorisations are inadequate.

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:

• Strong technical knowledge of HV plant, protection, control and

commissioning practices up to 132kV.

• Systematic fault-finding and problem-solving skills, with sound

technical judgement under site constraints.

• Clear written and verbal communication with clients, project

teams, DNOs, IDNOs, contractors and operational stakeholders.

• Ability to plan and prioritise complex commissioning activities

while maintaining accurate records and programme visibility.

• Confident use of commissioning test equipment and supporting

software.

• Strong safety leadership and the confidence to challenge unsafe or

non-compliant activity.

• High attention to detail and a disciplined approach to

configuration control, evidence and handover documentation.

• Ability to work independently at project sites and collaborate

effectively across design, construction and operations teams.

You’ll be a successful Commissioning Engineer at Sinewave

if you have…

• Proven

experience commissioning HV electrical systems and protection schemes, ideally

across distribution, ICP, Solar or BESS projects.

• Essential

experience with protection systems including overcurrent, earth fault, line

differential, sensitive earth fault, G99 and G100 requirements.

• Proficiency

in the safe use of commissioning and electrical test equipment.

• Knowledge of grid connection standards,

network compliance and DNO or IDNO approval processes.

• Valid

UK driving licence (max 3 points)

• Right

to work in the UK.

• CSCS

or EUSR card.

• Emergency

First Aid at Work certification.

• HV Authorisation as SAP or AP, or

demonstrable progress towards authorisation, is desirable.

• SMSTS

or SSSTS is desirable.

• 18th

Edition Wiring Regulations, City & Guilds 2382, would be an advantage.

• City

& Guilds 2391-52 Inspection and Testing would be an advantage.

• Strong IT skills for technical reporting,

document control and commissioning records.

• Comply with

  all company policies, procedures, and business ethics codes, including the

  anti-bribery policy, while adhering to the Environmental and Quality

  Management System in alignment with ISO standards and the requirements of

  the NERS accreditation.

Benefits

So, let’s talk about what’s in it for you.

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.

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 and life assurance, we provide

enhanced pension contributions matching 5% as standard.

25days + Bank Holidays

You can even buy or sell holiday allowance, giving you the flexibility

to enjoy more time 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 provides you with all the tools and training needed to

power your career.

Sinewave Worx

Our bespoke perks platform getting you discounts and cashback at loads

of high-street retailers.Our perks list is as impressive as the

range of our EV solutions! Want to know more? Charge ahead and check outhere.

Pre-employment checks

Any offer of employment will be subject to satisfactory pre-employment

checks, including verification of your right to work in the UK. A basic DBS

check will also be required, with details confirmed during the recruitment

process.

Join us

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.