Office & HR Coordinator (m/f/d)

ATMOS Works is seeking an Office Manager & HR Coordinator (m/f/d) to support the setup of our operations in Poland from day one. This is a generalist role with real ownership: you will be the organisational backbone of our Kraków office, keeping day-to-day administration running smoothly, the first point of contact for our local team, and a reliable partner to the Managing Director. You will work across a wide range of areas – from reliable HR administration across the employee lifecycle, coordinating with teams in Germany, to preparing briefings and meetings for local leadership. This is a hands-on generalist role, well suited to someone who enjoys ownership, variety, creating structure in a fast-moving environment and takes pride in making an office work well. Key responsibilities HR Administration & People Operations - You will manage HR administration for local employees, including contracts, onboarding, personnel files, and offboarding. - You will coordinate with the external payroll provider and handle ZUS/tax office registrations for new and departing staff. - You will serve as the first point of contact for employees on HR-related topics. Office Operations & Facilities - You will oversee day-to-day office operations, including supplies, equipment, vendor contracts, and facility coordination. - You will set up and continuously improve internal processes and filing structures as the team grows. Executive & Management Support - You will support the Managing Director with calendar management, travel bookings, meeting preparation, and follow-up. - You will handle communication between the Kraków office and other ATMOS entities. - You will support the setup of operations in Poland and coordinate with internal stakeholders as well as external partners. Finance & Administrative Support - You will process and track incoming and outgoing invoices and liaise with the external accounting firm on bookkeeping and VAT. - You will maintain expense records and support budget monitoring for local office operations. Profile required - Completed degree or vocational qualification in business administration, management, HR, or a comparable field. - Minimum 3 years of experience in office management, operations, or a comparable generalist administrative role. - Good working knowledge of Polish labour law, ZUS processes, and general business administration practices. - Experience coordinating with external partners, providers, or legal advisors. - Highly organised, proactive, and able to manage multiple priorities independently. - Fluent in Polish and English (written and spoken). - Confident user of Office Software (e.g. MS Office). *EU nationality is required.* Preferred Qualifications - Background in an international or German-owned company with cross-border operations. - Experience with payroll or HR tools. - First experience in a combined role covering areas such as office management, executive assistance and HR. - Familiarity with Polish VAT processes or KSeF (e-invoicing). - Experience in a fast-growing or recently established business environment. - German language skills will be of advantage. Company description ATMOS Works is a dedicated business unit of ATMOS Space Cargo, based in Kraków, Poland, and established to serve European government and defence customers. It develops and operates dual-use orbital capabilities, including the secure, sovereign return of sensitive hardware and data, in-orbit demonstration and validation (IOD/IOV), and advanced space systems.