Portfolio Performance Manager

Sonnedix Group

Greater London

Hybrid

GBP 70,000 - 110,000

Full time

14 days+

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Benefits offered by this job

Hybrid working
Generous annual leave
Parental leave
Wellbeing support
Sonnedix Academy

Job summary

Sonnedix is looking for a Portfolio Performance Manager to join the Global Performance Centre of Excellence and drive operational performance across our renewable energy assets. You will collaborate with Operations, Asset Management, Commercial, Finance, Engineering and Digital teams to identify opportunities and strengthen decision‑making.

You will lead cross‑functional initiatives, influence senior stakeholders and deliver measurable business outcomes.

Qualifications

  • Experience identifying opportunities to improve business performance and leading initiatives that deliver measurable operational, financial or commercial benefits.
  • Strong ability to connect operational performance with financial outcomes, including cost efficiency, budgeting and value creation.
  • Proven ability to influence stakeholders across multiple functions and levels, including executive‑level projects.
  • Interest in leveraging data, automation, AI tools and digital solutions to improve processes and reporting.

Responsibilities

  • Identify improvement opportunities across the portfolio and drive cross‑functional initiatives.
  • Lead initiatives to improve operational performance and deliver measurable benefits.
  • Support strategic projects and enable better operational and financial decision‑making.
  • Influence senior stakeholders and turn insights into commercial value through analytics and automation.

Skills

Strategic Performance
Operational Improvement
Financial Acumen
Stakeholder Management
AI & Automation
Renewable Energy

Job description

The Role

We are looking for a Portfolio Performance Manager to join Sonnedix's Global Performance Centre of Excellence and help drive operational performance, portfolio optimisation and value creation across our renewable energy portfolio. The role will work across Operations, Asset Management, Commercial, Finance, Engineering and Digital teams to identify improvement opportunities, support strategic initiatives and strengthen operational and financial decision‑making.

We are looking for someone who can lead cross‑functional initiatives, influence senior stakeholders and deliver measurable business outcomes. You will play a key role in improving portfolio performance, driving cost‑efficiency initiatives and turning operational insights into commercial value.

Combining performance analytics, operational excellence, automation and AI‑enabled solutions, this role offers the opportunity to drive meaningful change across a growing international renewable energy platform.

Desirable skills
Strategic Performance & Operational Improvement
  • Experience identifying opportunities to improve business performance and leading initiatives that deliver measurable operational, financial or commercial benefits.
Commercial & Financial Acumen
  • Strong ability to connect operational performance with financial outcomes, including cost efficiency, budgeting, business cases and value creation.
Stakeholder Management & Executive Communication
  • Proven ability to influence stakeholders across multiple functions and levels, including experience supporting executive‑level projects and decision‑making.
Automation, AI & Digital Transformation
  • Demonstrated interest in leveraging data, automation, AI tools and digital solutions to improve processes, reporting and operational visibility.
Renewable Energy, Infrastructure or Asset‑Intensive Industries
  • Experience within renewable energy, infrastructure, utilities or similar environments, with an understanding of operational performance, portfolio optimisation and continuous improvement.

We use English as our business language, please submit your CV in English. We deploy AI across the business, from generation and trading decisions to the everyday workflows of every team. We invest in our people’s digital fluency so everyone works alongside these tools with confidence. Studies show that many qualified candidates hesitate to apply unless they meet every requirement. If this role excites you, but you don’t meet every single qualification, we still encourage you to apply. We value diverse skills, perspectives, and experiences that contribute to a stronger team.

In line with EU pay transparency requirements, salary ranges will be shared with candidates in the EU before progressing to the next stage of the recruitment process, and always before interview. This range reflects the typical starting pay for new hires. Pay above this level may apply in specific circumstances based on experience, skills, or role scope.

About Us

Sonnedix is a global renewable energy company delivering 100% clean electricity through a diversified portfolio of solar, wind, and storage assets.

With almost two decades of sustainable growth, we are committed to Powering a Bright Future, as we continue acquiring, developing, building, and operating renewable energy projects for the long‑term, delivering innovative, tailored, and fully renewable energy solutions to our customers.

We help you thrive at work and beyond:

A people‑first company, committed to offer flexibility, a family‑first approach, wellbeing and training support, and – above all – team connection and community!

We are tech‑fluent by design

Technology isn’t a support function, it’s how we run. We deploy AI across the business and future‑proof your career by investing in our people’s digital fluency.

We have nearly two decades of sustainable growth:

Our successful track‑record of nearly 2 decades is testament to our strong sustainable growth focus. We are a reliable partner and employer, for the long term!

We are truly diverse and inclusive

A culture of listening to each other, educating ourselves, and implementing changes to improve and ensure every member of our One Team feels and knows they belong.

Hear from some of our team about Sonnedix: https://www.sonnedix.com/careers

What we offer
  • One company, many careers - as the company grows, we offer the opportunity for you to develop your career with us
  • An inclusive, international working culture with a diverse team of friendly professionals from across the world
  • A commitment to flexibility – hybrid working, generous annual leave allocation with an additional four weeks of discretionary unpaid leave
  • A family first company - generous paid parental leave and support for carers
  • The ability to ‘work from elsewhere’, for up to six weeks in a year
  • Summer working hours
  • Financial, Social, Mental & Physical wellbeing support
  • The Sonnedix Academy – a range of training and development opportunities including professional development, management and leadership programs, technical training, essential skills, DEI, mentorship and much more
  • Dedicated learning paths, tools, and resources to help every colleague confidently use AI and digital tools in their work
  • Fantastic office environments
  • Social events, team building opportunities and One Team Network groups, which are employee-led groups, based on shared identities, interests, backgrounds and life experiences

and many more local benefits!

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