Senior Technical Presales Engineer - Europe, Massy

Quandela is a European leader in photonic quantum computing. We deliver high-performance quantum processors—on-premise or through cloud access—enabling organizations to explore quantum advantage in optimization, simulation, and machine learning. As we scale to meet rapidly growing market demand, we are expanding our Sales Engineering organization to help enterprise, HPC centers, and research institutions adopt quantum technologies seamlessly.As an

Senior Technical Presales Engineer

at Quandela, you will serve as the technical bridge between our sales team and prospective customers for the European region. You will analyze complex HPC environments, evaluate workloads, and design tailored quantum system configurations that integrate smoothly with existing infrastructures. Your mission is to help organizations understand

how quantum computing fits within their HPC strategy , demonstrate the technical value of Quandela’s photonic quantum platforms, and ensure strong technical qualification during the sales cycle. This role is ideal for someone with deep HPC expertise and a passion for emerging technologies. Key Responsibilities1. Technical Discovery&Assessment Engage with customers (HPC centers, industry R&D teams, national labs) to understand their infrastructure, workloads, and performance constraints. Analyze hybrid HPC+quantum use cases and map them onto Quandela’s hardware and software capabilities. Evaluate customer readiness and propose integration strategies 2. Solution Architecture Design quantum system configurations, including processors, control electronics, photonic modules, and integration with HPC orchestration frameworks.Define resource sizing, hybrid workflow pipelines, and networking requirements. Prepare technical documentation and architecture diagrams for proposals. 3. Presales Support Lead technical presentations, deep dives, demos, and proof-of-concepts. Respond to RFPs/RFIs with accurate, high-quality technical content.Work closely with Sales, Product, and Engineering to ensure alignment between customer needs and Quandela’s roadmap. 4. Performance Benchmarking&Demos Run HPC and quantum benchmarks to demonstrate performance gains or hybrid efficiency. Support customer pilots and on-premise deployments. Partner with application engineers to create customized demos. 5. Customer Enablement Train customer HPC teams on using Quandela’s quantum SDK, simulators, and cloud platform.Produce technical guides and onboarding materials. Assist with early adoption and operationalization. Technical Skills

6+ years experience in

HPC engineering ,

integration ,

system architecture , or

scientific computing . Solid understanding of: HPC clusters, schedulers (Slurm, PBS, Kubernetes) High-speed interconnects (InfiniBand, Ethernet), parallel computing Python for scientific workflows Linux administration and distributed systems Experience deploying or integrating advanced accelerators (GPUs, AI accelerators, FPGAs, etc.)Familiarity with quantum computing concepts Presales / Customer-Facing Skills

Experience in

technical presales ,

sales engineering , or customer-facing technical roles. Ability to translate complex HPC and quantum concepts into clear, compelling explanations tailored to different audiences (technical, managerial, executive). Proven experience leading: Technical discovery sessions Workload assessments Architecture reviewsProof-of-concepts

and

benchmarks Strong skills in

building technical proposals , RFP/RFI responses, and solution design documents. Capacity to conduct

technical demos , workshops, and training sessions. Ability to collaborate closely with

Sales, Product, and Engineering

to align customer needs with technical roadmaps. Comfortable presenting to both

technical experts

(HPC admins, researchers, architects) and

non-technical stakeholders . Willingness to travel across Europe

to meet customers, support workshops, deliver technical presentations, and participate in pilots or deployments. Soft Skills

Strong

communication skills—clear, structured, and customer-oriented. Excellent

problem-solving

abilities and analytical mindset. Ability to

work autonomously

in exploratory or experimental contexts. Strong

ability

in a fast-evolving deep-tech and quantum computing environment. Ability to manage multiple opportunities or POCs in parallel while maintaining high quality. Curious, proactive, and eager to learn new technologies (quantum computing, photonics, hybrid HPC workflows). Ability to build trusted relationships with technical stakeholders in demanding environments (HPC centers, labs, industry R&D). Team player comfortable in

cross-functional collaboration Fluent in German&English (French is a plus) Bonus / Nice-to-Have

Experience with

scientific domains

such as physics, optimization, or machine learning. Experience with

cloud HPC providers

(AWS, Azure, Google Cloud HPC). Understanding of

DevOps practices

for HPC Previous exposure to

quantum SDKs

(Qiskit, PennyLane, etc.). Experience in

technical writing , tutorials, or community engagement. Join Europe’s pioneer in photonic quantum computing, at the forefront of HPC–Quantum convergence. Contribute to building strategic international partnerships with global technology, industrial, and institutional players. Be part of a high-impact, multidisciplinary team operating at the cutting edge of science and business.Work in a flexible, international, and innovation-driven environment.

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