Presales Engineer – Telecom & Connectivity

About the role

We are seeking a Presales Engineer specialized in Telecom & Connectivity to join our client’s team in Luxembourg. In this role you will bridge the gap between sales and technical delivery, shaping network solutions that meet the strategic and operational needs of large enterprises.

Key responsibilities

• Support commercial teams in detecting and qualifying connectivity‑related opportunities.
• Design tailored network solutions aligned with customers’ business priorities.
• Lead technical workshops, deep‑dive sessions and solution walkthroughs with customers.
• Prepare structured offers, including technical proposals, pricing elements and formal responses.
• Translate complex architectures into clear, business‑oriented value propositions.
• Collaborate with internal experts to validate feasibility, performance and profitability of proposed solutions.
• Contribute to methodology improvement by enhancing tools, processes and presales practices.
• Perform technical assessments such as infrastructure reviews, capacity analyses and resilience evaluations.
• Work on advanced connectivity domains including optical transport, WAN technologies (MPLS, VPN, SD‑WAN), hybrid architectures, managed network services, cloud interconnects, secure remote access and high‑availability designs.

Required profile

• Degree in Computer Science or a related discipline.
• Customer‑focused mindset with proactive attitude.
• Experience in presales or consulting within telecom, ICT or network environments.
• Strong ability to link business needs to technical solutions and articulate clear recommendations.
• Excellent communication skills for both technical and non‑technical audiences.
• Analytical, structured problem‑solving approach.
• Team spirit, ownership and reliable, accountable attitude.
• Fluent in French and English; Luxembourgish or German is a plus.

Required skills

• Optical transport technologies
• MPLS, VPN and SD‑WAN
• Hybrid network architectures
• Managed network services
• Cloud interconnect solutions
• Secure remote access
• High‑availability design
• Infrastructure review and capacity analysis
• Resilience evaluation

What we offer

• Long‑term opportunity with recognized experts.
• Excellent training and exposure to leading telecom solutions.