105 Best administrative officer Jobs in Mitcham (September 2025)

Family Personal Assistant (London) We are looking for a reliable and organised assistant to support a family in London. Main responsibilities include accompanying a child, helping with day-to-day family matters, organising household and administrative tasks, managing the family calendar, and liaising with various services when needed. Requirements: fluent Russian & English, experience in a similar role, proactive, flexible, good with children and pets. Schedule and conditions are competitive and discussed individually. If interested, please apply to discuss details.

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Bizav Media Limited

Conference and event coordinator

We are looking for a highly organised and motivated Event Coordinator to play a key role in the planning and delivery of professional events. This position involves working closely with colleagues, participants, sponsors, and suppliers to ensure each event is delivered smoothly, on time, and to a high standard. Key Responsibilities Liaise with all event participants, including speakers, sponsors, delegates, and suppliers. Database creation and maintenance of all participants. Assist in the planning, scheduling, and coordination of event programmes. Manage the production and delivery of event materials (agendas, signage, delegate information). Ensure branding and sponsorship commitments are fulfilled across all event activities. Oversee logistical arrangements with venues, catering, and technical providers. Support delegate registration and provide on-site assistance during events. Act as a central point of contact for participants before, during, and after events. Assist with post-event evaluation and reporting. Person Specification Essential: Excellent organisational and multitasking skills. Strong communication and relationship-building abilities. Ability to remain calm under pressure and solve problems quickly. Good attention to detail, with a focus on presentation and quality. IT literacy, including Microsoft Office applications. Desirable: Previous experience in event coordination or administration. Familiarity with event registration systems or CRM tools. Interest in marketing and communications related to events.

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RSPCA South West London

Charity Branch Manager

Usual working days and hours: Full-time, 35 hrs p/w with a flexible working pattern Salary: £28 - £30,000 per year dependent on experience Usual place of work: This position will be home-based but local travel will be regularly required Contract: Permanent, starting within Q4 2025 Reports to: Report to the Chair of the Branch Board of Trustees The Role We’re looking for a Branch Manager with proven success in the charity sector and a strong focus on income generation. You’ll play a key role in giving animals a second chance by managing our day-to-day operations, leading our teams and driving new revenue streams. Managing our independent charity, you’ll work closely with its Trustees to grow our profile, build sustainable income and act as the main point of contact for our staff, the public, partners and volunteers. This is a varied, hands-on role with plenty of autonomy — no two days are the same. About Us RSPCA South West London branch is an independently registered charity based in Wandsworth, SW18. Our mission is to make sure that all animals have a good life, by rescuing and caring for those in need, by speaking on behalf of all animals and by inspiring everyone to treat them with compassion and respect. Your Key Responsibilities Lead income generation: Oversee shop operations, online sales, grants and fundraising efforts to maximise revenue. People management: Line-manage shop, sales and welfare staff, oversee budgets and staff performance and ensure targets are met. Expand fundraising: Maintain existing and identify new income streams including grants, campaigns, events and donor engagement. Branch operations: Manage day-to-day administration, compliance, health and safety, communications and volunteer coordination. Promote our mission: Support local outreach, animal welfare work, and public engagement through social media and community partnerships. You’ll Bring ● Strong background in income generation, budgeting and team leadership. ● Proven experience and effectiveness in the charity sector. ● Excellent people skills — comfortable managing staff and volunteers. ● Self-starter with great organisation, adaptability and problem-solving ability. ● Passion for animal welfare and alignment with the RSPCA’s mission. ● Competent with digital tools (Google Workspace, Canva, Microsoft Office). ● Over 18 with a full UK driving licence and able to travel regularly around the branch area. ● GCSEs in Maths and English (or equivalent functional skills). What We Offer ● Flexible working week. ● Workplace pension and staff discounts. ● 24/7 free staff wellbeing support. ● Ongoing training and career development. ● A rewarding role where your work directly helps vulnerable animals. Ready to drive change and raise vital funds for animal welfare? Apply today a cover letter detailing how your experience and skills fits with each of the key role responsibilities. Applications without a cover letter will not be considered for an interview. Additional Information Applications for the position will remain open until we have found a suitable applicant, therefore we recommend applicants apply early, as we do expect a high volume of interest in the position. There will be a probation of three months for the selected candidate. Our branch area currently covers SW11 1-3, SW15 1-6, SW18 1-5, SW19 1, SW19 3-8, SW20 0, SW20 8-9, SM1 1-4, SM2 5-7, SM3 8-9, SM4-6, SM5 1-4, SM6 0, SM6 7-9, KT4 7-8. We strongly believe in being an innovative, diverse, and inclusive organisation and recognise that diversity in all our people will help achieve that purpose and our mission more effectively. We actively encourage and seek applications from a wide diversity of candidates. In order to comply with legal requirements, we ask all potential candidates to provide their eligibility to work in the UK as part of the selection procedure. If you are invited to an interview, you will be asked to bring the appropriate original documents with you. Organisation type: CIO Registered Charity 1209355 The position is being recruited for by the RSPCA South West London Branch CIO registered charity number 1209355 and not the National RSPCA.

Crystal Palace, Bromley

We are an established and busy Sales and Letting Agent. We are now searching for an Administrator to join our busy office Duties will include general administrate duties as well as maintaining the company website with properties for sales/lettings, adding new properties to the portals, maintaining the office window display, assisting with lettings administration and property management including renewals and scheduling gas and electrical reports. You must enjoy dealing with a variety of people, as the role also involves meeting clients in the office and dealing with telephone enquiries. The atmosphere in the office is extremely vibrant, with a large number of clients arriving at the office in person requiring a property viewing or needing assistance with general enquiries. Meanwhile, the phones will be ringing so the pace is fast, yet every client needs to be dealt with professionally. The Branch Administrator must be able to deliver under pressure and be confident with dealing with clients both in person and over the phone, have strong organisational skills, effective communication skills both written and verbal with strong attention to detail, have an ability to multi-task and an excellent telephone manner. If you are interested and believe you have suitable skills and experience to be considered for the position, then please apply. Please note: Only candidates with the relevant skills and experience will be contacted regarding this position.

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Harper Latter Architects Ltd

Location: Wimbledon Employment Type: Full Time Salary: Competitive, based on experience Reports to: Director Start Date: As soon as possible About Us Harper Latter Architects Ltd is a design-led architectural practice with a strong reputation for high end luxury residential projects. We’re passionate about delivering thoughtful architecture, and as we grow, we’re looking for a highly organised, proactive Personal Assistant to support the Director and help keep the practice running smoothly. Role Overview You will act as the right hand to the Director, providing professional, administrative, and occasional personal support to help manage their time, priorities, and commitments. This is a varied and dynamic role ideal for someone who thrives in a fast-paced, creative environment. Key Responsibilities 🗂 Administrative Support Manage and maintain the Director’s diary and inbox Organise internal and external meetings, site visits, and travel Draft and format documents, reports, letters, and presentations Take minutes and manage action points from meetings Organise and maintain project files and documentation 📞 Communication & Liaison Act as the first point of contact for the Director Liaise with clients, consultants, planning officers, and suppliers Follow up on project deliverables and planning applications Prepare briefing notes, agendas, and supporting materials 📊 Practice Support Assist with invoicing, expenses, and basic financial admin Coordinate marketing activities and maintain the practice portfolio Update the practice website or social media (if applicable) Assist with office organisation and systems 🏠 Personal Assistance Manage personal appointments and family diary coordination (where needed) Book restaurants, travel, or personal events Handle personal errands or gift sourcing occasionally Skills & Attributes Excellent organisational and time management skills Discreet, reliable, and trustworthy Strong written and verbal communication Proactive and able to anticipate needs Comfortable working independently and under pressure Friendly, professional, and adaptable Experience Required Prior PA, EA, or senior admin experience (3+ years ideal) Experience in a design, architecture, property, or creative environment preferred Proficient with Microsoft Office, Google Workspace, and project tools Familiarity with planning processes, architectural documentation, or creative industries is a bonus What We Offer Flexible working hours and hybrid options Supportive, collaborative studio culture Exposure to a range of exciting architectural projects Opportunity to shape the role as the practice grows To Apply Please send your CV and a short cover letter. Let us know why you’re a great fit for this role and your availability

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