Office administrator jobs in London

Location: Vauxhall, London (Hybrid – 3 days in the office, based in our modern workspace in Kennington Park)

Hours: 9am – 5pm, Monday to Friday (some flexibility available)

This role offers a rare chance to work across teams - grants development, fundraising and marketing along with the finance and operations team to support the delivery of our work, and gives you broad organisational exposure and multiple career pathways.                                                               

You will enjoy:

ü  Real variety

No two days look the same – you could be supporting finance processes, coordinating interviews, preparing documents, greeting visitors, or helping with office logistics.

ü  Genuine development

You will gain hands-on experience in:

· Charity finance

· HR Administration

· Operational systems and processes

· Office and organisational support

ü  Friendly team environment

You’ll be joining a supportive team who care about the mission and about each other. We work collaboratively, share ideas, and help one another succeed.

ü  A meaningful purpose

You work will directly support programmes that improve the lives of children and young people experiencing significant hardship.

About Buttle UK

Buttle UK exists to make a real difference to the lives of children and young people who are facing crisis, hardship and lack of opportunity. We provided targeted grants and practical support through our Chances for Children grants and a network of partners.

We are a value-led organisation, and we’re building a culture where colleagues feel listened to, trusted and supported.

About the Role:

This is an ideal role for someone who enjoys being at the heart of an organisation and likes supporting a busy, friendly team, working across teams – grants development, fundraising and marketing alongside the finance and operations team. We are looking for someone with good experience of working in a growing organisation who is able to build good working relationships with colleagues and manage multiple priorities.

Knowledge of basic financial principles and previous experience of working within finance and administrative roles is essential. As well as good communication skills both verbal and written, the candidate will be flexible in the way they work and take the initiative when needed. They will also demonstrate a willingness to learn and an interest in the UK voluntary sector.

This role will be a key part of the finance and operations team and contribute to the team’s objectives.

What will you be doing?

1.  Grants and Finance Support:

· To support the Finance and Grants teams by liaising with suppliers of items for grants, checking invoices and records, issuing purchase orders and placing orders

·  Providing first level support with the grants database system.

· Support with invoice entry and payment reconciliation on the grants system.

· Manage the organisation’s petty cash and reconciliation

· Support with processing invoices for payment

· Scanning, filing and logging account documents

·  Checking and updating ledger balances using the computerised accounting systems

2. HR Support:

· Support the HR Manager with recruitment and onboarding processes, and other key HR activities, including:

·  Assist the teams with recruitment administrative tasks including posting job adverts on relevant job boards; arranging interviews; responding to job applicants; issuing reference requests; filing of recruitment records.

· Provide support with induction process and induction schedules for new joiners.

·  Perform data entry and update records and databases for personnel in the HR Information system.

· Update organisation charts and other key documents and handle confidential information professionally.

3. Reception and Enquiries:

· Welcome visitors at Buttle UK and be the first point of contact for phone calls and visitors, signposting callers and enquiries when Buttle UK cannot assist

·  Take responsibility for the out-of-hours voicemail facility and respond to all messages on a timely basis.

· Manage company correspondence including phone calls, emails, letters and packages in accordance with Buttle UK procedures, and distribute to relevant staff.

4. General Administration for the Buttle Office

· Organise set up of meeting rooms ahead of key meetings

· Make travel arrangements and hotel bookings for staff where necessary

· Ad-hoc admin tasks as directed by the Senior Management Team

· Track office stationery levels, including printer requirements and equipment for home-based staff, re-ordering, when required, and maintain relationships with stationery suppliers.

·  Oversee day-to-day office functions to ensure the office runs smoothly and efficiently.

· Maintain and organise office files, both physical and digital.

·  Support the organisation during office events including staff meetings, team building activities and corporate functions.

This role is perfect if you enjoy a mixture of people-focused and systems-focused tasks. Every day is different – you will receive training and support to succeed in your role.

What We’re Looking For:

We’re looking for someone who is:

· Organised and reliable

· Friendly and people-oriented

· Comfortable with numbers and systems

· Happy working with multiple teams

· Proactive and keen to learn

· Calm under pressure and able to prioritise

Person Specification

Essential

· At least one year working in an administrative and/or finance role

· General book-keeping and accounting experience - AAT entry level certification desired

· Experience of using databases and spreadsheets

· Experience of providing support to several teams, ability to multi-task and prioritise.

· Experience of dealing with people from a wide range of backgrounds, both on the phone and in person

· Good organisational skills and attention to detail

· Proven IT skills, including Google Suite and Microsoft office

· Strong communication skills

· Willingness to learn new systems (finance, HR, grants)

· A positive, proactive and helpful approach

· Ability to maintain confidentiality

Desirable

· Experience in an admin, finance, HR or customer-facing role

· Experience of using databases

· An interest in learning and development and interest in working within the charity sector

Attitude

· A self-starter with energy and drive, who is willing to respond to what needs doing and to take responsibility for their work

·  Efficient, adaptable and proactive approach to working.

· A commitment to promote the best interests of children and young people. Empathetic and non-judgmental towards the needs of children and families living in poverty.

What We Offer

· Hybrid working (c.3 days in the office)

· Strong commitment to staff development

· Cycle to Work Scheme

· Generous 25 days annual leave + Christmas closure + bank holidays

· Employer pension contribution

· Employee assistance programme for staff wellbeing and support

· Life assurance scheme

· Free eye tests and payment of up to £100 for glasses if required

· Enhanced maternity/paternity and sick pay

· Opportunities for career progression in Finance, HR or Operations

Interviews: Monday 9th & Thursday 12th March 2026

Please note that we may close the advert for this role early if we receive applications from suitable candidates. We hope you will apply as early as possible if you are interested in the role.

At the Centre for Better Health, we envision a world where everyone can lead satisfying and hopeful lives in a society without any stigma of mental ill health. This is an exciting opportunity to step into a meaningful and rewarding role that makes a positive difference to the community we serve.

Role Purpose

As Reception and Office Administrator, you will play a key role in the team; providing a warm, efficient and professional reception service, and being the first point of contact for enquiries.

You will also provide administrative support to contribute to the smooth running and success of services. This will include supporting with the promotion of our services, processing new referrals, managing bookings and payments, and maintaining good record keeping.

Our Centre operates 9am–5pm on Mondays and Fridays, and 9am–8pm on Tuesdays, Wednesdays, and Thursdays. Please note that some evening work is required for this role (with working hours 12-8pm in these instances).

Main Duties

• Provide a professional, confidential reception service, welcoming service users and volunteers and managing phone and email enquiries.
• Act as the first point of contact for enquiries, sharing accurate information and offering appropriate signposting.
• Deliver general administrative support to the team, including promoting the organisation’s services, processing referrals, arranging assessments, managing bookings and payments, and handling day‑to‑day reception tasks.
• Maintain monitoring systems and databases in line with the organisation’s processes.
• Work collaboratively with the team to achieve agreed objectives.
• Attend and contribute positively and constructively to meetings as required.
• Respond proactively to the needs of the role, demonstrating flexibility and a positive attitude.
• Support marketing activities when required, including designing posters, sending mail-outs, and creating simple social media and website content.

Please note that this job description is not exhaustive and may change depending on the need and development of the organisation.