UX/UI & Service Designer

Energy Vault; London; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading company in clean energy solutions seeks a hands-on UX/UI & Service Designer to craft user-centered digital products and services. This role involves engaging closely with engineering and product teams to create impactful design solutions that foster sustainability. You will leverage your skills in a flexible, hybrid working environment, making significant contributions to a forward-thinking organization dedicated to a cleaner future.

Benefits

30 days’ holiday per year

Private pension

BUPA Healthcare for you and dependents

Cycle to work scheme

Electric vehicle leasing scheme

Annual discretionary bonus

Qualifications

• 3–5 years professional experience in UX/UI and service design.
• Strong portfolio with research-backed design solutions.
• Experience in agile delivery environments.

Responsibilities

• Conduct qualitative and quantitative user research.
• Create wireframes and interactive prototypes.
• Collaborate with cross-functional teams in agile settings.

Skills

Time management

Communication

Flexibility

Intellectual Curiosity

IT Literacy

Delivery focus

Critical thinking

Problem-solving

Passion for sustainability

Education

Degree in UX Design, Service Design, HCI or related field

Tools

Figma

Miro

Jira

Confluence

Job description

THE ROLE

As a hands on UX/UI & Service Designer, you will design and test user centred digital products and supporting services within our new IT function. You will plan and run research, translate insights into intuitive interfaces and end to end service journeys, and collaborate closely with engineers and product owners to ship high quality solutions.

KEY RESPONSIBILITIES

User Research & Testing

• Plan, conduct and analyse qualitative and quantitative studies (interviews, usability tests, surveys, analytics reviews)
• Communicate findings through personas, journey maps and actionable insights

Interaction & Visual Design

• Create information architectures, user flows, wireframes, high fidelity UI and interactive prototypes in Figma
• Ensure designs are responsive and meet WCAG2.2AA accessibility standards

Service Design Mapping

• Document current and future service blueprints, highlighting backstage processes, systems and roles.
• Identify pain points and opportunities to streamline user and staff experiences.

Design System Contribution

• Reuse and extend our component library; document new patterns for wider adoption

Agile Delivery Collaboration

• Work day today with product, engineering and QA in Scrum/Kanban squads
• Provide clear design specifications and support implementation via design reviews

Continuous Improvement

• Define success metrics with product teams and iterate designs based on data and feedback postlaunch

SKILLS & COMPETENCIES

To be successful in this role, you will demonstrate:

• Time management & prioritisation skills - things can get a little hectic, so the ability to effectively manage yourself and your workload is critical
• Excellent interpersonal and communication skills (in English or/and other European languages) - you must be able to organise your thoughts in a way that others find clear and compelling. You will be expected to put together well-written, grammatically correct emails and other communications. When communicating verbally – whether over the phone, on video calls, in person or in meetings – you will need to be articulate, warm and engaging
• Flexibility - being an effective team player means being flexible in your approach and open to getting involved with new things, even if they are not spelt out in your job description
• Intellectual Curiosity – we are looking for someone who is truly interested in our profession and has the intellectual curiosity to delve deep into topics and bring fresh ideas to the team
• IT Literacy - you should have an interest in technology, including AI and show the aptitude to bring this into your role and the projects you are accountable for delivering. You do not need to be a technologist yourself but you must be technically literate and curious about the possibilities that technology
• Delivery focus – it may sound obvious, but the ability to proactively churn through work at pace and deliver quality outputs really matters
• Strong critical thinking and problem-solving skills
• Passion for our mission to generate a more sustainable future by leading the transition to clean energy
• Our values: be a leader, build trust, be responsible, be innovative and ‘bring your alpha’.

EXPERIENCE & QUALIFICATIONS

• 3–5years professional experience delivering UX/UI and service design for digital products
• Degree or equivalent experience in UX Design, Service Design, HCI, Interaction Design or related field
• Relevant certification (e.g.NN/g UX Certification) advantageous
• Strong portfolio demonstrating research backed design solutions and measurable impact.
• Proficient with Figma (or similar), prototyping, and collaboration tools (Miro, Jira, Confluence)
• Working knowledge of HTML/CSS principles to facilitate handoff and implementation conversations
• Experience conducting usability testing and analysing mixed method research data
• Comfortable working in agile delivery environments alongside cross functional teams
• Solid understanding of accessibility and inclusive design practices
• The right to work in the UK.

WHAT WE OFFER

• A busy role in a supportive team, with plenty of opportunities to learn
• International scope – we operate in over 8 countries
• Hybrid working – we will need you in the central London (Mayfair) office at least twice a week, but you will normally be able to work remotely for the remainder of the week
• 30 days’ holiday per year (3 of which are taken during the festive shutdown in December)
• Private pension
• BUPA Healthcare for you and qualifying dependents
• Cycle to work and electric vehicle leasing schemes
• Annual discretionary bonus.

HOW TO APPLY

If you are interested in this opportunity, please follow the link to apply or send your application [e-mail]. If you have been shortlisted for the next stage, we will be in contact within 14 days.

By selecting “Apply” or sending us your CV, you indicate you have read and acknowledged NextEnergy Group’s Candidate Privacy Notice.

DIVERSITY AND INCLUSION

Our approach to diversity and inclusion is a natural extension of our values. Our entrepreneurial culture inspires us to try new things, be open to different viewpoints and be bold. Our Group is committed to cultivating and preserving a culture of connectedness that values difference and gives space for individual expression. The collective sum of our individual differences, life experiences, knowledge, innovation, self-expression, and talent and hard work form the bedrock of who we are and who we aspire to be.

We are committed to equal employment and advancement opportunity irrespective of race, color, ancestry, social background, religion, gender, national origin, sexual orientation, age, citizenship, marital status, disability and gender identity.

ABOUT US

NextEnergy Group was founded in 2007 to become a leading market participant in the international solar sector. Since its inception, it has been active in the development, construction, and ownership of solar assets across multiple jurisdictions. NextEnergy Group operates via its three business units: NextEnergy Capital (Investment Management), WiseEnergy (Operating Asset Management), and Starlight (Asset Development).

NextEnergy Capital manages the Group's investment activities and has invested in over 520 solar plants, exceeding 2GW in capacity across its institutional funds.

• NextEnergy Solar Fund (NESF): Listed on the London Stock Exchange, NESF manages 102 solar and energy storage assets in the UK and Italy, with a total installed capacity of 983MW and a gross asset value of £1,014m.
• NextPower II (NPII): A private fund of 105 solar plants (149MW) focused on Italy, successfully divested in January 2022, delivering net IRRs exceeding its 10-12% target.
• NextPower III ESG (NPIII ESG): A private fund targeting solar infrastructure in OECD countries (e.g., US, Spain, Italy), with $896m raised, exceeding its $750m target.
• NextPower UK ESG (NPUK ESG): A private fund dedicated to new-build solar plants in the UK, with ~£600m raised.
• NextPower V ESG (NPV ESG): A private OECD solar fund investing in solar and adjacent technologies like battery storage. To date, it has raised $745m, targeting $1.5bn ($2bn ceiling).

WiseEnergy is NextEnergy Group’s operating asset manager. WiseEnergy is a leading specialist operating asset manager in the solar sector. Since its founding, WiseEnergy has provided solar asset management, monitoring, technical due diligence and under construction services to over 1,500 utility-scale solar power plants with an installed total capacity in excess of 3.4 GW. WiseEnergy clients comprise leading banks and equity financiers in the energy and infrastructure sector.

Starlight is NextEnergy Group’s development company that is active in the development phase of solar projects. It has developed over 100 utility-scale projects internationally and continues to progress a large pipeline of c.10GW of both green and brownfield project developments across global geographies.

NextSTEP is the venture capital fund of NextEnergy Group, dedicated to investing in innovative startups in the field of environmental sustainability. The fund primarily focuses on investments in Italy and the United Kingdom but also extends its reach to the rest of Europe and the United States, targeting startups in the pre-seed and seed stages. NextSTEP pays particular attention to emerging entities from incubators, startup accelerators, universities, and research centers, supporting projects that address global challenges in crucial areas such as Climate Change, Energy Transition, CO2 Capture and Sequestration, Circular Economy, Sustainable Cities, Sustainable Mobility, Sustainable Fashion, Waste Management, Water and much more.

NextEnergy Foundation is a non-profit organisation founded in 2016 by the NextEnergy Group that operates internationally and whose mission is to proactively participate in the global effort to reduce carbon emissions by providing clean energy sources in regions where they are not yet available and thereby contributing to poverty reduction. As the main sponsor of this foundation, the NextEnergy Group donates at least 5% of its consolidated net profits each year. The NextEnergy Foundation has no overhead costs and therefore 100% of the funds raised go to donations for the various projects. Since 2016, in 8 years of operation the foundation has donated more than £1.2 million, supporting over 30 projects in 27 different countries around the world.