Office Administrator

Role Summary Responsibilities: You will support the smooth day‑to‑day running of our London office, delivering excellent customer service in a fast‑paced, collaborative environment while contributing to events, office operations, and wider initiatives that support Costello Medical's culture and values.

Salary: £26,250 per annum. Benefits include discretionary profit share bonuses paid twice per year, flexible working options, generous holiday allowance, private medical insurance, critical illness cover, income protection, full funding for external training.

Role Type: Full-time, permanent role. Start Date: The role will ideally commence in April, May or June 2026, and you will be asked to state your availability on your application form.

Application Deadlines: The deadline for applications is Sunday 19th April with interviews taking place shortly after.

Location: This role is based in our offices. Please note, due to the nature of this role, we are unable to offer any remote or hybrid working. Successful candidates must be in the office 5 days per week.

About the Role: Do you enjoy organising, supporting others, and delivering great customer service? Are you excited by the idea of working in a fast‑paced environment where no two days are the same? We are looking for an enthusiastic and proactive Office Administrator to join our growing team in London. This is an excellent opportunity for someone at the very beginning of their career who is eager to learn, develop new skills, and contribute to a busy and collaborative team.

Working closely with our London Workspace Manager, as well as other members of the UK Facilities & Support team, you will play an essential role in supporting the day-to-day running of the office and uphold our exceptional standards of customer service. You will have the opportunity to support colleagues in a fast-paced, collaborative environment and to contribute to the planning and execution of successful events - including our annual client party hosted at the London office - as well as internal social events and celebrations that positively enhance Costello Medical's culture.

Key responsibilities include:

• Ensuring that we maintain a safe, tidy and professional environment, including managing the kitchen to a high standard.
• Managing office and kitchen supplies and equipment, including responsibility for office‑related purchasing.
• Coordinating office visits from colleagues and clients and greets them with a high level of friendliness and professionalism.
• Supporting the planning and delivery of successful events, including client meetings and internal social events.
• Building and maintaining strong working relationships with service providers, suppliers, and the building management team.
• Administering the company's internal ticketing system, handling requests such as office visits, travel equipment loans, and shipping, alongside other Office Administrators.
• Providing ad‑hoc administrative support to the London Workspace Manager and the wider Operational Support Team when required.
• Taking responsibility for day‑to‑day health and safety within the London office.
• Actioning established IT procedures to support smooth office operations.
• Representing the Operations division positively across client‑facing teams, proactively reducing the administrative burden on colleagues.

About Costello Medical: Costello Medical is a rapidly growing global healthcare agency specialising in medical communications, market access, and health economic and outcomes research. We work with a wide range of clients, including the industry's most successful pharmaceutical and medical technology companies, patient and public health bodies, and charitable organisations.

Requirements About You: We are looking for an enthusiastic and ambitious candidate who is proactive, eager to take on new challenges, and who will thrive on providing an excellent service to our colleagues. You will be an organised, reliable, and personable administrator who enjoys supporting others and takes pride in creating a positive workplace experience.

Essential requirements for the role are:

• A strong commitment to delivering excellent customer service to colleagues, clients, and visitors.
• Strong organisational skills, including the ability to plan and prioritise your own time and communicate this to others.
• Excellent levels of productivity, and the flexibility to respond to changing deadlines.
• The ability to work confidently on your own and with a high degree of autonomy.
• Exceptional attention to detail and high professional standards.
• Excellent written and verbal communication skills.
• A high level of tact, discretion, and professionalism, particularly when handling confidential or sensitive information.
• A friendly and approachable demeanour.
• Fluency in Microsoft Word, Excel, Outlook, and PowerPoint, and confidence using these tools to support day‑to‑day operations.

Benefits What We Offer: Alongside our award-winning company culture, where every team member is celebrated, respected, and has their voice heard, we are proud to offer a comprehensive benefits package that includes:

• A starting salary of £26,250 per annum, depending on your previous experience, as well as a discretionary profit share bonus paid twice per year.
• 25 days' annual leave plus bank and public holidays, as well as a holiday buy and sell scheme.
• Flexible working hours and the chance to work from home for up to half of your working time after passing probation.
• Flexible benefits scheme offering cash payments, additional pension contributions and more.
• Private Medical Insurance which offers comprehensive cover on a "medical history disregard" basis.
• Paid study leave and funding for external qualifications.
• Critical Illness Cover, Income Protection and Life Assurance.
• Paid and unpaid sabbaticals based on length of service.

The Application Process: You are required to submit your CV and a cover letter via our online application form. In your cover letter, you must explain why you think you would be suited to the role and why you would like to join Costello Medical, with examples to support both. Your CV should clearly state the dates of all qualifications and grades achieved where applicable.

Then, our recruitment process includes a telephone interview with a member of the Talent Acquisition team, followed by an interview in our London office with senior members of our Facilities team. Our standard recruitment process lasts around 3-4 weeks; however, this can be adapted if necessary.

As an equal opportunity employer, we are committed to fostering a diverse and inclusive workforce and, throughout the recruitment process, there are a number of reasonable adjustments we can provide.

Please note that this role does not meet the eligibility criteria for visa sponsorship, and you will therefore need the right to work in the UK independently from the company.