Major Projects, Project Manager

Sinewave Energy Solutions Ltd; Swindon; On-site; GBP 75,000 - 85,000; Full time

Benefits offered by this job

Private Medical

25 days holidays + bank holidays

Sinewave Academy

Sinewave Worx

Job summary

Sinewave seeks a Major Projects Project Manager to lead a portfolio of 33–132kV projects, including switchgear and substations for renewables. Based in Swindon with UK travel, you will partner with Commercial, Design and Supply Chain to deliver safely, on time and within budget.

You will own program management, P&L, cost forecasting and governance while mentoring the Major Projects team and driving continuous improvement in delivery efficiency.

Qualifications

• Extensive project management experience in electrical utilities or construction.
• Delivery of multi-million-pound major projects from award to completion.
• Experience managing project P&L, forecasting and budgeting.
• Strong customer relationships and cross-team collaboration.

Responsibilities

• Manage a portfolio of complex major projects from award to completion, owning programme, scope, resources, quality, budget and profitability.
• Take responsibility for project P&L, forecasting, financial control and progress reporting.
• Act as escalation point for customers, partners and internal teams on delivery and contract matters.
• Collaborate with Commercial, Design and Supply Chain to board projects and maintain cost information.
• Define and embed project controls, governance, milestone management and change control.
• Forecast resources and manage dependencies to keep risks and priorities visible.
• Oversee project costs and seek efficiency improvements to maximise profitability.
• Provide project feedback and lessons learned to Commercial.
• Make timely decisions and visit sites across the UK to troubleshoot or audit.
• Deliver projects safely with focus on competence and SHEQ.
• Mentor colleagues in the Major Projects PM team.

Skills

Project management

P&L management

Stakeholder management

Budget forecasting

MS Project

MS Office

Communication

Team leadership

Risk management

Travel willingness

Education

PRINCE2/APM/PMI

Tools

Microsoft Project

Microsoft Office

Teams

SharePoint

Job description

Swindon, United Kingdom | Posted on 17/09/2026

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!

This role:

We are looking for a Major Projects Project Manager to join our growing team, based in Swindon with UK travel. The salary band for this role is£75,000 to £85,000.

You will own a portfolio of 33-132kV projects, including switchgear and primary substations for renewable technologies, from award through to completion. As a key customer contact, you will work closely with our Commercial, Design and Supply Chain teams to deliver projects safely, on time, to the required quality and within budget.

An idea of what you'll be doing:

• Managing a portfolio of complex, multi-million-pound major projects from award to completion, with clear ownership of programme, scope, resources, quality, budget and profitability.
• Taking responsibility for project P&L accounts, cost forecasting, financial control and routine operational and commercial reporting.
• Acting as the escalation point for customers, contract partners and internal teams on delivery, finance, contractual and communication matters.
• Working closely with customers and internal stakeholders, including Commercial, Design and Supply Chain, to board projects and maintain accurate cost information.
• Defining and embedding effective project controls and governance, including current programmes of work, milestone management, change control and dependency logs.
• Forecasting resources and managing cross-programme dependencies so that risks, decisions and delivery priorities remain visible.
• Overseeing project costs and identifying practical, innovative ways to improve delivery efficiency and maximise profitability.
• Providing project feedback, recommendations and lessons learned to the Commercial team.
• Making timely decisions and attending sites across the UK when needed to troubleshoot issues, monitor quality or conduct audits.
• Delivering projects sustainably, with due consideration for competence, capability and safety.
• Mentoring colleagues across the Major Projects Project Management team and supporting their continued development.

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:

• Extensive project management experience in the electrical utility or construction industry, including delivery at EHV voltage levels from 33kV to 132kV for an ICP or DNO.
• Driving and delivering complex, multi-million-pound projects through the full project life cycle.
• Managing project P&L, forecasting profit and loss, controlling costs and reporting progress against targets and budgets.
• Building effective customer relationships and adapting your communication style for customers, delivery partners and internal teams.
• Working across several teams and projects at once while maintaining strong organisation and coordination.
• Using Microsoft Project or equivalent project management software, together with Microsoft Office, Teams and SharePoint across multiple devices.
• Using initiative and sound judgement to find cost-effective solutions in challenging situations while working collaboratively with others.
• Working alongside Design teams and contributing to tendering activity in the electrical industry.

You’ll be a successful Major Projects Project Manager at Sinewave if you’re …

• Qualified in project management, for example PRINCE2, APM or PMI, or able to demonstrate equivalent experience. Overseas equivalents are accepted and practical application will be considered alongside qualifications.
• Experienced in managing projects and supporting the development of colleagues.
• An excellent communicator and listener who can follow written and verbal instructions.
• Customer-focused, organised and confident taking decisions when required.
• The holder of a full UK driving licence.
• Qualified in Emergency First Aid at Work and SMSTS.
• Committed to working safely, following company and SHEQ requirements, reporting hazards and incidents accurately, and helping to reduce waste and improve environmental and social performance.
• Eligible to work in the UK.

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 of 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 out here.