? We are hiring! Join LuxQuanta as a Senior Pre-Sales Engineer ??

At LuxQuanta, we are pioneering the Quantum Communications industry by delivering solutions that use the properties of quantum physics to secure communications. As we spearhead our international expansion after our first three years of solid growth, we invite passionate individuals to join us on our journey — helping us lead the fast-paced Quantum Communications market in Europe and beyond.

?️ About the Role

As Senior Pre-Sales Engineer, you will serve as the crucial bridge between customer needs, business objectives, and internal technical execution. You are a technical and commercial powerhouse who can spark interest, drive complex solution design, and close strategic sales while seamlessly managing projects and aligning R&D;, product, and operations teams to deliver seamless customer experiences.

? Main Tasks & Responsibilities

- Presales Leadership & Closing: Lead technical pre-sales engagements for strategic and enterprise accounts, driving solution design and closing B2B telecom deals.

- Customer Advisory & Mobility: Act as a trusted technical advisor, conducting high-level technical presentations, workshops, and demonstrations with clients on-site and internationally.

- Project Management & Orchestration: Lead complex presales projects, coordinating multiple workstreams, managing timelines, and aligning internal R&D;, product, and operations teams with client expectations.

- Telecom & Network Solution Design: Architect tailored solutions for enterprise and carrier customers, leveraging deep expertise in high-level fiber optics, DWDM, OTN, and wholesale/reseller models.

- Proposal & RFP Management:



Support commercial negotiations, RFP/RFI responses, statement of work (SOW) drafting, and technical feasibility evaluations.

- Field Operations Alignment: Apply practical field engineering and technician insights to advise clients on real-world deployment strategies and operational readiness.

? Qualifications & Skills
- Degree in Telecommunications Enginering, Electrical Engineering, or a related technical discipline.
- 7–10+ years of experience in Presales Engineering, Solutions Architecture, or Technical Sales within the telecommunications industry.
- Deep expertise in high-level fiber optics, optical networks (DWDM, OTN), carrier infrastructure, and reselling/wholesale models.
- Proven track record in technical closing, commercial negotiations, and leading cross-functional projects.
- Strong knowledge of field operations, network deployment methodologies, and handling complex RFP processes.
- Willingness to travel frequently to client sites and international events.
- Fluent professional communication skills in English and Spanish.

? Compensation & Benefits
- Competitive salary
- Private health insurance and ticket guardería
- Versátil working hours and hybrid work model (3 days office / 2 days remote)
- Short Fridays during the summer
- Real opportunities for professional growth in a vibrant, multicultural team in Barcelona

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

? Ready to help secure the future of communications? Apply today!

- #QuantumTech #PreSales #SalesEngineering #TelecomJobs #DeepTech #BarcelonaJobs #Hiring

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