Right across infrastructure, theres a requirement to not only maintain, but also renew and reimagine. Whatever stage youre at in your career, with us youll 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, were 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:
Were recruiting for a Portfolio Manager to join us in our Substations department to look after our projects in our South Wales region. You'll be responsiblefor the strategic oversight, governance, and delivery of a portfolio of substation projects. This role ensures that projects are delivered safely, on time, within budget, and aligned with organisational strategy and regulatory requirements, while driving continuous improvement and operational excellence across the portfolio.
Define and implement the portfolio strategy for substation projects aligned with business objectives.
Prioritise and balance projects based on risk, value, regulatory commitments, and resource availability.
Develop long-term capital investment plans in collaboration with senior stakeholders.
Establish and maintain governance frameworks for project execution, ensuring consistency and compliance.
Oversee delivery performance across multiple substation projects (new build, upgrades, refurbishments).
Monitor progress against milestones, budgets, and KPIs; intervene where necessary to recover performance.
Champion a strong safety cultureacross all projects.
Ensure all projects adhere to industry standards.
Manage portfolio budgets, forecasts, and cost control mechanisms.
Build strong relationships with internal and external stakeholders.
Provide transparent reporting to executive leadership and clients.
Act as the senior escalation point for complex project issues.
Ensure effective allocation of skilled resources across projects (engineering, project management, commissioning).
Identify, assess, and mitigate portfolio-level risks (technical, commercial, regulatory).
Drive standardisation and best practices in substation design and delivery.
What youll bring Previous project management experience gained within electrical infrastructure
Extensive experience in energy infrastructure, particularly substation (HV/MV) design, construction, or delivery.
Strong understanding of transmission/distribution systems and grid operations.
Proven track record managing large-scale project portfolios (£multi-million or £bn scale preferred).
Experience working within regulated environments
Familiarity with NEC contracts or equivalent.
Full UK driving licence
Whats in it for you? 25 days annual leave plus bank holidays
Private health care and health care cash plan
Discretionary bonus scheme
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
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.
Were responsible and go further for our people, clients, communities and the planet
Were open and seek new and better ways of exceeding expectations
Were together and as one team; the whole is greater than the sum of the parts
Were ambitious and embrace opportunity, to lead essential infrastructure services for life
Whether youre a trainee, apprentice or graduate, or progressing through your career, our people benefit from industry recognised programmes, training and development.
Its 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.
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