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
