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.
~ 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).
~ Flexible working hours & Remote within Spain if based outside Barcelona.
~ Short Fridays in summer & real growth opportunities in a vibrant 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?
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📌 Senior Pre-sales engineer (España)
🏢 LuxQuanta
📍 España