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, versátil, and ready to roll up your sleeves beyond standard presales tasks.
Fluent in
English and Spanish
(German is a strong plus).
Frequent travel require

📌 Sales Engineer (España)
🏢 LuxQuanta
📍 España