Office Manager (3 month fixed-term contract) in City of London

An exciting opportunity to join an industry-leading company in the nonprofit software market! At Enthuse, we’re on a mission to transform digital fundraising by building the technology that empowers great causes. Our donations, event registration, and fundraising platform helps thousands of charities raise millions. Launched in 2012, we’ve grown the team to over 70 people and now serve thousands of charities. Enthuse is headquartered in London, with operations in Northern Ireland and the Republic of Ireland.

Reporting to the People Operations Manager, you’ll be critical to enabling an engaging workplace environment and ensuring our people have the structure and support they need during a period of organisational transition.

• Office & Operations
  • Day-to-day support for staff queries and operational requests.
  • Managing office supplies, equipment and replacements.
  • Supporting tech and IT queries as a second point of contact where needed.
  • Booking meetings, travel and accommodation.
  • Liaising with building management and reception.
  • Managing post, storage and general office upkeep.
  • Supporting office moves or workspace changes where required.
• Employee Experience & Culture
  • Running employee recognition programmes (Star Enthusiast, People’s Choice, Employee of the Year).
  • Managing anniversary vouchers and quarterly remote vouchers.
  • Coordinating match funding (up to £200 per employee per year).
  • Supporting sales incentives and reward purchases.
  • Organising company socials, quarterly events, Mission Day and celebrations.
  • Supporting our mentoring scheme and other employee programmes.
  • Managing maternity/paternity and wellbeing gifts.
• People Operations Support
  • Coordinating onboarding (systems access, induction, welcome packs, equipment, meet-the-team sessions).
  • Managing offboarding (access removal, equipment return, farewell communications).
  • Maintaining employee records in BambooHR.
  • Supporting right-to-work documentation and HR compliance checks.
  • Managing holiday carry‑over and buy‑back processes.
  • Keeping policies and internal documentation up to date.
  • Supporting Finance with inbound Gift Aid letters and related admin.

You have experience working as an Office Manager within a fast‑paced and evolving organisation. You have excellent time management, prioritisation and organisational skills. You’re very comfortable and passionate about problem‑solving, multitasking and taking a hands‑on approach. You’re comfortable with ad‑hoc tasks. You build strong relationships across teams and are comfortable supporting senior stakeholders. You take pride in creating a positive, inclusive and well‑organised workplace environment. You remain calm and solutions‑focused during periods of change.

• A part‑time salary of £23-25k (3.5 days per week) for the Office Manager role.
• We celebrate together with an early Friday finish, optional team drinks, team incentives, and a variety of company socials.
• We believe work‑life balance matters and have flexible hours, working from home, and support part‑time work.
• We believe in giving back and give you one paid day to fundraise for a charity of your choice.
• Holiday allowance: 25 days holiday and bank holidays (33 in total). We increase holidays based on length of service, so for every year you’re with us, you’ll get an additional day’s holiday up to 28 days.
• We also offer an additional 5 days of unpaid holiday.
• We want you to travel well with the Cycle to Work scheme and season ticket loan.
• We will support your journey through our mentor program that offers structured support from senior team members within the business and a strong network of investors and customers.
• Private health insurance coverage with plenty of benefits through Vitality.
• Places for Races! As partners of London Marathon Events and Great Run, we get access to a number of participant places for major fundraising events.

Come as you are. Love what you do. At Enthuse, we want to create a positive impact on a global scale. And to do that we know that the people at Enthuse have to reflect all global lives and identities. We work flexible hours, we support remote working, and if that doesn’t quite work, we’ll definitely listen to what will. We’re striving to create a place where all feel valued and welcome —and would love to hear how we could do that for you. No matter what your background, identity, or even if your experience doesn’t exactly match — we’d love to hear from you!