Energy, Utilities & Environment

Sia is a global management and AI-focused consulting firm with a strong presence in the energy and utilities sector. With €500m in annual revenue and 3,000 employees worldwide, around 20% of our business is focused on energy and utilities.

Founded in France over 25 years ago, Sia has grown rapidly and is now a recognised leader in energy transition, data science and AI solutions. In 2024, we announced a strategic partnership with Blackstone as our first external investor, supporting our continued growth.

We have an exciting opportunity for Consultants and Senior Consultants to join our Energy & Utilities team in London, supporting our growing work across GB energy & utility companies. In the UK and Ireland, our Energy & Utilities team works with electricity, gas and water utilities, regulators and infrastructure investors.

We support our clients across three core areas:

• Regulatory advisory
• Economic regulation and business planning
• Stakeholder and customer engagement strategies
• Social and environmental value analysis
• Market analysis and due diligence
• Innovation and energy transition
• Network innovation programmes and smart grid development
• Energy transition initiatives (EVs, hydrogen, biogas, renewables, smart meters)
• Flexibility markets and new commercial models
• Water cross-sector innovation
• Network management and system operation improvement
• Digital, data and technology adoption to improve stakeholder outcomes
• Operating model, process and performance transformation

You will be joining the business at an exciting stage of growth, with strong opportunities to build your consulting skills and develop deep expertise working within a team of sector specialists.

The Role

As a Consultant/Senior Consultant, you will:

• Support the delivery of consulting projects for utilities, working across multiple workstreams and client engagements in the UK and Europe
• Contribute to projects spanning regulatory advisory, innovation programmes and operational or digital transformation
• Analyse data, develop models and generate insights to inform client decisions
• Produce high-quality presentations, reports and quantitative analysis for client stakeholders
• Work with Sia’s Data and AI experts to help develop technology-enabled solutions
• Support the development of proposals, pitches and practice-related content
• Contribute to the development of Sia’s intellectual property, including methodologies, tools and templates
• Assist with marketing and external positioning through blogs, thought leadership and social media
• Actively develop your own knowledge through training, coaching and self-study
• Collaborate with colleagues across the UK, Ireland and internationally as part of global project teams

Qualifications Skills & Experience

We are looking for candidates who have:

• At least 2/3 years’ experience in the energy or utilities sector (electricity, gas or water), or in a relevant consulting role
• A strong interest in regulatory policy, innovation and the energy transition
• A Bachelor’s degree (minimum 2:1 or international equivalent) in a relevant subject (e.g. engineering, economics, science, business, technology)
• Strong quantitative and qualitative skills, with experience using data to generate and visualise insight
• The ability to adapt quickly and work across different problem areas in a fast-paced environment
• Excellent written and verbal communication skills
• Strong interpersonal skills and a collaborative, team-oriented approach
• A desire to learn, develop and build a career in energy and utilities consulting

Additional information

Why join Sia London?

• Impact: You will work in a growing team where your contribution is visible and valued, with direct access to senior leaders and Partners.
• Learning: You will develop expertise across regulation, innovation and utilities transformation, supported by structured training and mentoring.
• Innovation: Our “Consulting 4.0” approach integrates AI and data science into consulting. You will gain exposure to advanced tools and innovative delivery methods.
• Flexibility: We offer genuine flexibility and a culture that values outcomes over hours spent at a desk.
• Diversity: We value diverse perspectives and actively encourage different ways of thinking and working.
• Global network: You will be part of a team operating across more than 20 countries.

This is an opportunity to join a rapidly growing team that serves some of the most exciting and highly respected companies in the world. You will have the opportunity to provide clients with original thinking and customised solutions and you’ll often have the satisfaction of seeing the impact of your work on their business.

Sia Partners is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.