Senior Pre-Sales Engineer Remote Spain, Growth & Deals

Luxquanta; Spain; Remote; EUR 80,000 - 110,000; Full time

Job summary

LuxQuanta is seeking a Senior Pre-Sales Engineer to bridge customer needs with technical execution across Europe and beyond. You will drive presales, design complex solutions, and close B2B deals while coordinating R&D, Product, and Operations. A hands-on, flexible mindset and the ability to work remotely within Spain are essential.

Fluent English and Spanish are required, with German a plus. Expect engagement with enterprise and carrier clients, overseeing fiber optics networks (DWDM/OTN) and

Qualifications

• 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.
• Fluent in English and Spanish (German is a strong plus).
• Flexible working hours and Remote within Spain if based outside Barcelona.
• Hands-on and field support mindset; ready to roll up sleeves beyond presales 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.

Skills

Fiber optics

DWDM

OTN

Carrier infrastructure

Wholesale/Reseller

Closing capability

B2B presales

Fluent English

Fluent Spanish

Education

Degree in Telecommunications or Electrical Engineering

Job description

LuxQuanta is seeking a Senior Pre-Sales Engineer to bridge customer needs with technical execution across Europe and beyond. You will drive presales, design complex solutions, and close B2B deals while coordinating R&D, Product, and Operations. A hands-on, flexible mindset and the ability to work remotely within Spain are essential.

Fluent English and Spanish are required, with German a plus. Expect engagement with enterprise and carrier clients, overseeing fiber optics networks (DWDM/OTN) and