At LuxQuanta, we are pioneering the Quantum Communications industry with quantum physics-based security solutions for major telecom operators globally. As we accelerate our international expansion, we are looking for a high-energy Senior Pre-Sales Engineer to drive technical sales with Tier-1 carriers and wholesale operators. 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 optical network 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 project success. Main Tasks & Responsibilities * International Presales Leadership: Drive technical presales, solution architecture, and RFP/RFI responses for international carriers and wholesale operators. * Global Client Engagement: Lead technical pitch sessions, product demonstrations,



and PoCs with C-level stakeholders and network directors worldwide. * Optical Network Architecture: Design tailored quantum-encrypted optical proposals over existing fiber networks (DWDM, OTN, ROADM). * Cross-Functional Alignment: Work hand-in-hand with internal R&D;, Product, and Sales teams to deliver winning technical proposals. * Field Support & Travel: Act as our trusted technical advisor on-site with international clients and industry congresses. * Degree in Telecommunications, Electrical Engineering, or related discipline. * 7–10+ years of experience as a Pre-Sales Engineer, Solution Architect, or Technical Account Manager in B2B Telecoms. * Solid technical foundation in Optical Transport, DWDM, OTN, ROADM, and Fiber Optics. * Strong track record working with Carriers, Operators, Wholesale, or Hyperscalers. * Fluent in both English AND German (C1/Negotiation level is required for both languages) * Willingness to travel inte

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