Portfolio Management Office Manager

SGN; London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

SGN, a leader in the gas industry, is seeking a PMO Manager in London to drive business transformation and enhance project delivery standards. The ideal candidate will lead strategic initiatives, mentor a high-performing team, and ensure effective governance across a diverse portfolio. This hybrid role offers a competitive salary and various benefits, including a pension scheme and enhanced leave options.

Benefits

Competitive pension scheme

Enhanced maternity/paternity pay

Life assurance

HolidayPlus

Cycle2work Scheme

Qualifications

• Proven experience in leading a PMO or programme delivery function.
• Strong expertise in project and programme management methodologies.
• Exceptional leadership and communication skills.

Responsibilities

• Define and drive the PMO vision and strategy.
• Establish and enforce project management frameworks and methodologies.
• Deliver high-quality dashboards and executive-level reporting.

Skills

Project Management

Stakeholder Engagement

Strategic Planning

Risk Management

Analytical Mindset

Leadership

Education

Degree in Business, Management, or a related field

Tools

MS Project

Power BI

Jira

Confluence

Smartsheet

Job description

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Client:

SGN

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

a5528f2cf5d9

Job Views:

3

Posted:

29.06.2025

Expiry Date:

13.08.2025

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Job Description:

London | Competitive Salary

Full-time | Hybrid/Office based with some UK Travel

Competitive pension scheme – Enhanced maternity/paternity pay – Life assurance – HolidayPlus – Cycle2work Scheme & more

REQ4961

The world is changing fast — expectations from customers, communities, regulators and our stakeholders are rising. Technology is moving quicker than ever. We need to catch up and then stay ahead if we want to be the best GDN in the UK. We need to make sure we’re set up for success. We’re already making great progress with a new CEO and Executive Team, a new COO function and we’ve just moved from five to nine regions in our Southern network, creating closer communities for our people. We’ve opened a Business Services Centre, giving everyone easier access to the services they need, and we’ve brought in 550 new vans, with hundreds more on the way.

But this is just the beginning. We’re focusing on three big goals:

• Supporting our frontline first
• Cutting waste, not corners
• Working smarter, together

We’ve already started work on a five-year programme that will help us achieve our goals, and our journey will continue over the next 3-4 years.

We’re now offering fantastic opportunities for colleagues to help us on this exciting journey.

The PMO Manager plays a key role in enabling effective portfolio governance, ensuring the accuracy and integrity of RAID and dependency data, and supporting initiative leads through structured reporting, onboarding, and best practice administration. This role supports delivery across a broad portfolio of transformation initiatives.

About the Role

We are seeking an experienced and strategic PMO manager lead our Business Project Management Office. This role will be responsible for establishing, evolving, and governing project and programme management standards across the operational business transformation portfolio, ensuring the successful delivery of initiatives aligned with our strategic goals. You will play a critical role in driving business transformation, improving delivery capability, and enabling informed decision-making at the executive level.

We deliver safety, warmth, and comfort to homes and businesses. Every role, whether in the office or on the front line, plays a key part in this mission. Here’s how you will contribute…

Strategic Leadership

• Define and drive the PMO vision, strategy, and roadmap in alignment with business objectives.
• Act as a strategic advisor to senior leadership on programme and portfolio delivery.

Governance & Standards

• Establish and enforce enterprise-wide project management frameworks, methodologies (, PRINCE2, MSP, Agile), tools, and best practices.
• Maintain effective governance structures and reporting to monitor progress, risks, and benefits realization across the portfolio.
• Oversee the prioritisation, planning, and execution of business-critical projects and programmes.
• Ensure resource allocation, budget adherence, and delivery of key outcomes across the portfolio.
• Lead, mentor, and grow a high-performing team of project and programme managers.
• Foster a culture of continuous improvement, collaboration, and accountability.
• Monitor enterprise project risks, issues, and interdependencies, ensuring timely mitigation and escalation as required.
• Ensure transparency and traceability in decision-making and change control.

Performance & Reporting

• Deliver high-quality dashboards and executive-level reporting to enable informed decision-making.
• Track delivery KPIs and drive initiatives to improve performance, value delivery, and stakeholder satisfaction

What you will need

• Proven experience in leading a PMO or programme delivery function in a complex, matrixed organisation.
• Strong expertise in project and programme management methodologies (, PRINCE2, MSP, Agile, SAFe).
• Exceptional leadership, stakeholder engagement, and communication skills.
• Demonstrable experience in portfolio management, risk management, and strategic planning.
• Strong analytical mindset with a track record of delivering performance metrics and insights.
• Experience with PMO and collaboration tools (, MS Project, Power BI, Jira, Confluence, Smartsheet).
• Degree in Business, Management, or a related field; PMP, PgMP, or similar certifications are a plus

Not sure you meet every requirement?

Research shows some people – particularly women and those from underrepresented backgrounds – may hesitate to apply unless they meet every criteria. At SGN, we value diverse backgrounds, experiences and perspectives.

If this role interests you but you’re not sure you tick every box, we’d still love to hear from you. You might be just who we’re looking for – now or in the future.

Why SGN?

SGN is a leader in pioneering research and development toward a net-zero energy system. Our cutting-edge technologies and innovative thinking are driving change in the gas industry, all while keeping people safe and warm.

If you require any accommodations or support during the application process, reach out to us. We're here to help ensure an inclusive and accessible experience for everyone.