Portfolio Manager
Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.
Where will you be working?
At M Group Energy, we’re enabling the energy essential to support our lives.
We provide an end-to-end service, delivering solutions in electricity transmission, distribution, renewable energy, EV, metering and home decarbonisation.
This role will be within our Transmission & Renewables team. We design, build and commission substations at voltages up to and including 400kV. Our teams construct and maintain transmission lines and substations, ensuring the efficient and reliable delivery of electricity.
What will you be doing:
Where will you be working?
At M Group Energy, we’re enabling the energy essential to support our lives.
We provide an end-to-end service, delivering solutions in electricity transmission, distribution, renewable energy, EV, metering and home decarbonisation.
This role will be within our Transmission & Renewables team. We design, build and commission substations at voltages up to and including 400kV. Our teams construct and maintain transmission lines and substations, ensuring the efficient and reliable delivery of electricity.
What will you be doing:
We're looking for an experienced Portfolio Manager with a strong background in electricity transmission, substations, utilities, or major infrastructure. The role will lead a portfolio of complex HV projects, managing performance, safety, commercial outcomes, client relationships, governance, and resource planning across multiple project teams. Acting as an ambassador for the business, you will represent M Group Energy as a trusted delivery partner within the energy sector.
You will be accountable for ensuring projects are delivered safely, efficiently, and commercially whilst aligning with client commitments, regulatory requirements, and organisational objectives. You will develop and maintain strong relationships with key clients, including National Grid, SSE, SSEN, UKPN, and other framework partners, acting as a senior point of contact and trusted advisor to support long-term growth and successful project delivery.
The role will also be responsible for providing strategic reporting and performance updates to senior stakeholders and executive leadership, ensuring effective governance, transparency, and informed decision-making across the portfolio. You will lead senior-level client engagement, governance meetings, audits, and performance reviews, driving collaboration, operational excellence, and customer satisfaction.
Our projects sit within the South West/South Wales regions with our office being based in Newport. So the ideal candidate will be based along the M4/M5 Corridor.
- Develop and implement portfolio strategies aligned to business objectives, client requirements, and growth targets.
- Maintain effective governance frameworks, ensuring consistency in project delivery, reporting, and decision-making.
- Prioritise and balance project investments based on risk, value, resource availability, and contractual commitments.
- Support long-term business planning and capital investment strategies.
- Establish portfolio performance metrics and drive accountability across project teams.
- Provide executive oversight for the successful delivery of multiple transmission and substation projects ranging from 11kV to 400kV.
- Monitor portfolio performance against programme, cost, quality, safety, and client satisfaction objectives.
- Lead performance reviews and implement corrective actions where delivery risks or issues arise.
- Act as the senior escalation point for complex technical, commercial, contractual, or operational matters.
- Drive standardisation, innovation, and continuous improvement across delivery teams.
- Ensure compliance with all relevant HSEQ legislation, company procedures, and industry standards and promote best practice relating to CDM regulations, risk management, environmental compliance, and operational excellence.
- Regularly review portfolio performance to identify opportunities for improvement and risk reduction.
- Maintain overall responsibility for portfolio financial performance, including budgets, forecasts, profitability, and cash flow.
- Oversee portfolio-level cost control, reporting, and commercial governance.
- Support and challenge project teams through the review of CVRs, forecasts, risk provisions, and change management activities.
- Ensure contractual obligations are met and opportunities are maximised across NEC and framework agreements.
- Contribute to business growth through identification of new opportunities and strategic client engagement.
- Ensure the effective allocation of engineering, project management, construction, commissioning, and commercial resources across the portfolio.
What you’ll bring
- Significant experience managing portfolios of major infrastructure projects within the energy or utilities sector.
- Strong knowledge of electricity transmission and distribution networks, substations, and associated infrastructure.
- Demonstrable track record of delivering large-scale capital projects and programmes within regulated environments.
- Extensive experience leading multidisciplinary delivery teams across engineering, commercial, and construction functions.
- Strong commercial and financial management capability.
- Experience operating under NEC contracts and framework agreements.
- Excellent stakeholder management, negotiation, and leadership skills.
- Full UK driving licence.
Desireable:
- Experience delivering projects for National Grid, SSEN, SSE, UKPN, or equivalent utility organisations
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Understanding of renewable energy and grid connection programmes.
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Experience leading organisational or operational improvement initiatives.
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Knowledge of portfolio management methodologies and governance frameworks.
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Project Management qualification (APM PMQ, PRINCE2, MSP, or equivalent).
What's in it for you
- 25 days annual leave plus bank holidays
- Private health care and health care cash plan for you and your family
- Discretionary Bonus
- Company car and fuel card with a range of EV and hybrid vehicles to choose from
- Matched or contributory pension scheme
- Online GP service, 24 hours a day, 365 days a year
- Employee assistance programme
- Life assurance
- Cycle to work, salary finance and give as you earn schemes
- Enhanced maternity, paternity leave and adoption leave
About us
We want to be an employer of choice and a great place to work, attracting diverse and talented people, who join us and make a difference. We are one of the Top 100 UK companies actively supporting and recruiting veterans. Our ENABLE inclusion networks bring together people who have a shared passion, to help create an environment where everyone belongs.
Our values help to shape our culture and how we work with one another. We recruit with these values in mind, to ensure your aspirations, and ways of working, align with ours.
We’re responsible and go further for our people, clients, communities and the planet
We’re open and seek new and better ways of exceeding expectations
We’re together and as one team; the whole is greater than the sum of the parts
We’re ambitious and embrace opportunity, to lead essential infrastructure services for life
Whether you’re a trainee, apprentice or graduate, or progressing through your career, our people benefit from industry recognised programmes, training and development.
It’s an exceptional time to be a part of M Group.
Please note: Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.
For certain roles, successful candidates will be subject to 3rd party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.
#MGroupE #LI-SG1 #LI-Hybrid IND2
We want to be an employer of choice and a great place to work, attracting diverse and talented people, who join us and make a difference. We are one of the Top 100 UK companies actively supporting and recruiting veterans. Our ENABLE inclusion networks bring together people who have a shared passion, to help create an environment where everyone belongs.
Our values help to shape our culture and how we work with one another. We recruit with these values in mind, to ensure your aspirations, and ways of working, align with ours.
We’re responsible and go further for our people, clients, communities and the planet
We’re open and seek new and better ways of exceeding expectations
We’re together and as one team; the whole is greater than the sum of the parts
We’re ambitious and embrace opportunity, to lead essential infrastructure services for life
Whether you’re a trainee, apprentice or graduate, or progressing through your career, our people benefit from industry recognised programmes, training and development.
It’s an exceptional time to be a part of M Group.
Please note: Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.
For certain roles, successful candidates will be subject to 3rd party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.
#MGroupE #LI-SG1 #LI-Hybrid IND2
