? We are hiring Join LuxQuanta as a Field Service Engineer ??

At LuxQuanta, we are pioneering the Quantum Communications industry with quantum physics-based security solutions. As we expand internationally, we're looking for a passionate Field Service Engineer to act as the face of LuxQuanta at customer premises, owning the end-to-end deployment and onboarding journey.

?️ About the Role
As Field Service Engineer, you’ll bridge post-sale customer onboarding, site readiness, installation, and hands-on commissioning. You combine technical depth, strong ownership, and a customer-oriented mindset to ensure flawless deployments, resolve unexpected field issues autonomously, and turn every customer into a reference story. With your true Startup DNA, you bring a pragmatic, highly versátil mindset, ready to step into adjacent operational areas to ensure complete project success.

? Main Tasks & Responsibilities
• End-to-End Onboarding & Deployment: Lead pre-installation planning, site surveys, and readiness requirements (rack space, power, optical infrastructure, and access procedures).




• System Installation & SAT: Install, configure, and test LuxQuanta QKD systems at customer sites in Spain and abroad, validating optical link quality (OTDR, loss budgets) and executing Site Acceptance Tests (SAT).
• Autonomous Troubleshooting: Lead on-site and remote troubleshooting, escalating structured technical feedback to R&D; and Support teams to drive issues to closure.
• Customer Advisory & Training: Conduct on-site knowledge transfer for customer operators and serve as a trusted technical voice across technical and management levels.
• Field Feedback & Hand-over: Document all interactions in CRM/ticketing systems, maintain installed-base records, and help improve deployment playbooks and manuals with R&D.;

? Qualifications & Skills
• Degree in Telecommunications, Electrical/Electronic Engineering, Computer Science, Physics (photonics), or IT.
• 5–7+ years in customer-facing technic

📌 Field Service Engineer (Barcelona)
🏢 LuxQuanta
📍 Barcelona