? 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 flexible 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
• Versátil

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? Apply today or drop me a DM ? #QuantumTech #PreSales #SalesEngineering #TelecomJobs #DeepTech #BarcelonaJobs #Hiring

📌 Senior Pre-sales engineer (España)
🏢 LuxQuanta
📍 España