Luxembourg National Data Service (LNDS) is a brand of PNED G.I.E. an organisation created by the Luxembourg Government, to implement Luxembourg’s strategies in research, innovation, and digitalisation. LNDS enables value creation from secondary use of data, for public and private partners and supports the sharing and re-use of public sector data, in a trustable manner. The LNDS service portfolio includes know-how, capabilities, tools, infrastructure, and data services. Through efficient & responsible use of data and improving the secondary use of data, LNDS will support the acceleration of economic, ecological, and societal transitions. www.lnds.lu | LNDS on LinkedIn Help design and deliver the data infrastructure that Luxembourg and its European partners rely on for secure, lawful access to sensitive data. You will work alongside senior architects on real systems with real deadlines and take on your own architectural scope as you go. This is a fixed-term position of 24 months, created to meet a sustained increase in architecture work across our EU project portfolio. You will work on one or more projects from that portfolio — currently including STORE-1PLUSMG, USE-1PLUSMG, SCAILED, the European Compliance Stack, DDSSC2, COOPAIFA and PANDAI — with assignments set by portfolio priorities and evolving as projects start and close. We are looking for a Solution Architect to help design and deliver secure, large-scale data infrastructure, working alongside our senior architects. You will consolidate functional and non-functional requirements from data providers and partner organisations and translate them into architecture documentation. You will contribute to the specification, configuration, integration, and technical validation of the components behind our data services. Working with community frameworks such as Gaia-X, IDSA and DSSC, you will help build the data solutions our partners across Europe depend on. Architecture design and documentation Learn and deliver the core architecture artefacts, starting from established LNDS patterns and templates, and taking on more of the design work as your experience grows. Maintain the architecture documentation set across assigned projects — keeping it current, internally consistent and ready for formal review. Several projects require successive versioned releases approved at fixed milestones. Requirements and analysis Support senior architects in gathering and documenting functional and non-functional requirements from data providers, partner organisations and internal stakeholders. Analyse and document business constraints. Implementation support Work with engineering and operations colleagues to turn architecture into working systems. Support the specification, configuration, and integration of components. Support technical validation and acceptance activities, including preparing test scenarios and evidence. Standards, compliance and quality Learn, adopt and apply LNDS architectural standards, patterns and review practices consistently, and flag where they do not fit. Support the implementation of technical and organisational measures under Data Protection by Design and Default, working with Legal and data governance colleagues. Project and consortium contribution Contribute to project deliverables and milestones, tracking your own commitments and raising slippage early. Support proposal preparation with technical input and effort estimation.