? We are hiring! Join LuxQuanta as a Senior Pre-Sales 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 Senior Pre-Sales Engineer to help us lead the market across Europe and beyond.

?️ About the Role

As Senior Pre-Sales Engineer, you’ll bridge customer needs, business goals, and internal technical execution. You are a tech-commercial powerhouse who can spark interest, design complex solutions, and close B2B deals while coordinating R&D;, Product, and Operations.

With your true Startup DNA, you bring a hands-on, highly adaptable mindset, ready to step into adjacent areas whenever needed to ensure smooth transitions and project success.

? Main Tasks & Responsibilities

- Presales Leadership & Closing: Drive technical presales, solution design, and B2B telecom deal closures.
- Customer Advisory & Mobility: Conduct high-level technical presentations, demos, and on-site client visits globally.
- Project Orchestration: Coordinate complex presales workflows, aligning internal R&D;, Product, and Operations teams.
- Network Solution Design: Architect tailored solutions for enterprise/carrier clients (high-level fiber optics, DWDM, OTN, wholesale/reseller models).
- RFPs & Proposals: Lead commercial negotiations, RFP/RFI responses, SOWs,



and feasibility studies.
- Hands-On & Field Support: Apply field engineering insights and support cross-functional teams on ad-hoc priorities.

? Qualifications & Skills

- Degree in Telecommunications or Electrical Engineering (or similar).
- 7–10 years in Telecom Pre-Sales, Solutions Architecture, or Technical Sales.
- Deep expertise in high-level fiber optics, optical networks (DWDM, OTN), carrier infrastructure, and wholesale/reselling.
- Proven closing ability, commercial negotiation skills, and cross-functional project leadership.
- Pragmatic, flexible, and ready to roll up your sleeves beyond standard presales tasks.
- Fluent in English and Spanish (German is a strong plus).
- Frequent travel required.

? Compensation & Benefits

- Competitive salary
- Private health insurance & ticket guardería
- Flexible working hours & hybrid work model (3 days office / 2 days remote)
- Short Fridays in summer & real growth opportunities in a vibrant BCN team

We are committed to building a diverse and inclusive workplace where every voice contributes to solving genuinely hard problems.

? Ready to secure the future of communications? Apply today or drop me a DM! ?

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📌 Pre-sales engineer (Barcelona)
🏢 LuxQuanta
📍 Barcelona