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, adaptable, 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

Flexible working hours & hybrid work model (3 days office / 2 days remote)

Short Fridays in summer & real growth opportunities in a vibrant BCN team

We are committed to building a diverse and inclusive workplace where every voice contributes to solving genuinely hard problems.

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📌 Pre-sales engineer (Barcelona)
🏢 remoteo
📍 Barcelona