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 flexible 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.

Integral 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

📌 Pre-Sales Engineer (Barcelona)
🏢 Everseen
📍 Barcelona