? 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.

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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 adaptable mindset, ready to step into adjacent operational areas to ensure complete project success.

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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.;

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

📌 Field Service Engineer (Barcelona)
🏢 LuxQuanta
📍 Barcelona