Office Assistant (Fixed-Term)

THE ROLE

The Office Assistant exists to support the effective day-to-day operation of the London office by providing workplace, administrative, and visitor support services. The role helps ensure that office facilities, supplies, and workplace processes are maintained to support employees and business activities.

The role works closely with colleagues across all departments, visitors, suppliers, building management, and workplace service providers. It provides administrative, workplace coordination, and customer service support, acting as a first point of contact for office-related enquiries and contributing to a professional and welcoming office environment.

The role supports operational efficiency, employee experience, and workplace effectiveness by coordinating office activities, maintaining workplace standards, supporting onboarding and office events, and ensuring employees and visitors receive timely and effective support.

KEY RESPONSIBILITIES

Support the day-to-day operation of the London office and workplace facilities

Maintain meeting rooms, communal areas, and workplace environments to agreed standards

Coordinate office supplies, stationery, kitchen consumables, and workplace inventory

Process workplace-related invoices and maintain supplier records

Manage incoming and outgoing post, courier deliveries, and package distribution

Act as the first point of contact for workplace and office-related enquiries

Support compliance with workplace procedures, health and safety requirements, and office policies

Liaise with building management, contractors, and external suppliers to resolve workplace issues

Support the organisation and delivery of office events, meetings, and employee activities

Coordinate onboarding arrangements for new employees, including workplace preparation and logistics

Welcome visitors and maintain professional reception experience

Coordinate visitor registration, building access arrangements, refreshments, and meeting room preparation

Provide administrative support, including diary management, meeting scheduling, and room bookings

Organise travel arrangements, including flights, accommodation, and ground transportation

Maintain workplace records, documentation, and administrative information as required

SKILLS & COMPETENCIES

To be successful in this role, you will demonstrate:

Exceptional organisational and time management skills; ability to prioritise and multi-task effectively

Excellent written and verbal communication skills

High level of discretion, integrity, and professionalism

Strong problem-solving skills and proactive approach

Attention to detail and accuracy in all work

Ability to build relationships and influence at all levels

Adaptability and resilience in a dynamic, fast-paced environment

Strong judgement and decision-making abilities

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

Experience in an administrative, office support, workplace, reception, hospitality, or customer service role

Knowledge of office administration and workplace coordination activities.

Experience supporting internal stakeholders and external visitors in a professional environment.

Advanced proficiency in Microsoft Office Suite (Outlook, Word, PowerPoint, Excel); experience with collaboration tools (e.g., Teams, Zoom, SharePoint) is advantageous

Demonstrated ability to handle confidential information with integrity

Experience coordinating international travel and managing complex schedules

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

Onsite working – we will need you in the central London (Mayfair) office 5 days a week. Possibility of remote working if needed.

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

HOW TO APPLY

If you are interested in this opportunity, please follow the link to apply. 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 acc