We are looking or a Technical Project Manager & security connectivity engineer. Location: Luxembourg - Findel Contract: Until 15 December 2026 Start: ASAP Context: Office relocation - network deployment + user subnet & Firewall rule migration About the role This role supports a full office relocation, including building and commissioning a new Arista Type‑1 network (~1,500 ports), and the assessment, migration, testing and decommissioning of user subnets and security connectivity rules (Acrs) The position combines technical project management and security connectivity engineering, ensuring a controlled, well‑documented and risk‑minimised transition. Key responsibilities Technical project management (Network deployment) Validate requirements, design baseline, constraints and dependencies Check network capacity (switch ports, IP addressing, circuit/cross‑connect utilisation) Coordinate IP assignment (Mira / Ncp) and distribute IP/subnet data Update documentation (NetApp(s), Site Builder, Ctm, Virtual Container, NCE outputs, Excel sheets) Organise configuration reviews and track findings & approvals Coordinate staging readiness, cabinet elevation planning and patching schedule Prepare Chg packs support implementation (configuration execution, Ztp/CVP, cutover tests) Ensure step, rollback and test plans are agreed and followed Coordinate the 4‑eyes implementation plan and approval evidence Finalise closure: handover, documentation and lessons learned Security Connectivity Engineering (ACR / Firewall / Subnets) Build the user subnet inventory using Netbase (source of truth) Run Eagle Eye reports (src/dst, last‑used timestamps, ports/applications) Present results to Itaos and support iterative analysis Maintain the Rules to Remain register (retain/review/retire + rationale) Support onboarding of new user subnets and creation of new Acrs Support testing of new Acrs (connectivity validation, rule hits, troubleshooting) Support decommissioning of old Acrs with evidence traceable to the analysis register Maintain an activity log (reports, workshops, ACR support) Skills & experience Experience in technical project management in network or infrastructure environments Understanding of Firewall rules, Acrs, connectivity flows and change governance Ability to interpret technical reports and maintain structured documentation Comfortable coordinating technical teams and business stakeholders English and German mandatory Hays plc est l'un des principaux groupes mondiaux de recrutement de professionnels. Hays est l'expert du recrutement de personnes qualifiées, professionnelles et compétentes dans le monde entier. Hays est le leader du marché au Royaume-Uni et en Asie-Pacifique et également l'un des leaders du marché en Europe continentale et en Amérique latine. Hays intervient pour le compte de milliers d'entreprises des secteurs privé et public, sur des postes en CDI, CDD, Travail Temporaire et Contracting. Hays France & Luxembourg compte aujourd'hui plus de 650 salariés répartis au sein de 22 bureaux (Aix-en-Provence, Amiens, Biarritz, Bordeaux, Clermont-Ferrand, Dijon, Grenoble, La Rochelle, Lille, Lyon, Montpellier, Nancy, Nantes, Nice, Paris, Reims, Rennes, Rouen, Strasbourg, Toulouse, Tours et au Luxembourg) couvrant 25 secteurs d'activité.