Travel-Heavy Field Service Engineer for Quantum Systems

Luxquanta; Barcelona; On-site; EUR 42,000 - 60,000; Full time

Benefits offered by this job

Growth opportunities

Barcelona-based location

Job summary

LuxQuanta is seeking a Field Service Engineer to drive end-to-end deployment and onboarding of quantum security systems at customer sites. You will own installation, SAT, and hands-on commissioning, interfacing with international teams and customers to ensure flawless deployments.

You will base in Barcelona, Spain, with travel up to 75% to customer premises and abroad, and you will document activities in CRM while contributing to deployment playbooks and manuals with R&D.

Qualifications

• Degree in Telecommunications, Electrical/Electronic Engineering, Computer Science, Physics (photonics), or IT.
• 5–7+ years in customer-facing technical roles, including hands-on installation and commissioning telecom, networking, or optical equipment.
• Fluency (spoken & written) in English and Spanish.
• Travel up to 75% and hold a valid driving licence.

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.

Skills

Networking

Linux

Bash/Python scripting

VLANs

Education

Degree in Telecommunications, Electrical/Electronic Engineering, Computer Science, Physics (photonics), or IT

Tools

OTDR

Power meters

Job description

LuxQuanta is seeking a Field Service Engineer to drive end-to-end deployment and onboarding of quantum security systems at customer sites. You will own installation, SAT, and hands-on commissioning, interfacing with international teams and customers to ensure flawless deployments.

You will base in Barcelona, Spain, with travel up to 75% to customer premises and abroad, and you will document activities in CRM while contributing to deployment playbooks and manuals with R&D.