People Assistant

Open Cosmos
Barcelona, Spain · Porto, Portugal · Athens, Greece · harwell, United KingdomPosted Jun 14, 2026
This website uses cookies to ensure you get the best experience. Open Cosmos and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics purposes. See our Cookie Policy to read more about the cookies we set. You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page. Accept all cookies Decline all non-necessary cookies Cookie preferences Select which cookies you accept On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly. If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site. To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy. Strictly necessary These cookies are necessary to make the site work properly, and are always set when you visit the site. Vendors Teamtailor Analytics These cookies collect information to help us understand how the site is being used. Vendors Teamtailor Accept these cookies Decline all non-necessary cookies Skip to main content Career menu Employee Log in as employee Candidate Log in to Connect Homepage open-cosmos.com PEOPLE · PEOPLE · Multiple locations · Hybrid People Assistant Apply for this job Aim high, go beyond! At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…Working in our People TeamThe People Team is at the heart of life at Open Cosmos. Covering HR, Talent Acquisition, and Office Management, the team attracts great people, supports them through every stage of their journey, and creates a workplace where everyone can thrive. Their work keeps Open Cosmos a great place to work and our teams engaged, supported, and focused on mission success.As a People Assistant, you’ll help keep the people engine running smoothly for our Open Cosmonauts around the world.You’ll be right at the centre of the employee lifecycle — helping new joiners feel welcomed from day one, supporting accurate payroll administration and making sure our people data is spot-on and compliant. From onboarding to day-to-day people queries, your work will help create a seamless, supportive experience for colleagues across the business.What will you be doing?In this role, you’ll:Support the full employee lifecycle, including onboarding, employee changes and leaversCoordinate end-to-end onboarding activities, making sure contracts, documentation, system access and first-day arrangements are completed on timeSupport monthly payroll administration by preparing, checking and updating employee data and working with external payroll providersMaintain accurate employee records and ensure the HRIS is kept up to dateCarry out right-to-work checks and support people compliance requirementsAct as a first point of contact for people-related queries, escalating where appropriatePrepare and manage people documentation, letters and reportsSupport the creation, review and update of people policies and processes across multiple geographiesReview, collate and summarise employee survey data, producing clear reports to support people initiatives and decision-makingProvide general administrative and operational support to...

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