Sales Engineer in London

nLighten is a European platform of distributed edge data centers, designed to meet the growing demand for AI, 5G, and hybrid cloud deployments. As a rapidly expanding provider, we offer scalable colocation hubs and best-in-class energy solutions across Europe. Our innovative and sustainable approach to digital infrastructure ensures reliability, efficiency, and future-ready solutions for our clients.

We are looking for a technically skilled and customer-focused Sales Engineer to join our growing team. In this role, you will design and deliver high-performance colocation solutions tailored to enterprise client needs, with a focus on high-density workloads, GPU infrastructure, and liquid cooling technologies. This is a unique opportunity to contribute to complex infrastructure designs while working cross-functionally in a fast-growing digital infrastructure business.

• Solution Design & Architecture
  • Lead customer discovery sessions and technical design workshops.
  • Develop bespoke colocation solutions covering power, cooling, space, and interconnection.
  • Produce rack elevation plans, network topologies, and power/cooling layouts aligned with nLighten’s operational capabilities.
  • Design high-density rack environments (15–60kW/rack), including GPU and liquid-cooled deployments.
• Pre-Sales & Client Engagement
  • Act as the technical lead in customer engagements from discovery through proposal and delivery handover.
  • Prepare technical documentation and responses for RFPs, RFIs, and customer architecture reviews.
  • Present solution designs and product options to both technical and non-technical stakeholders.
• Collaboration & Internal Alignment
  • Coordinate with Sales, Product, Operations, and Construction to validate feasibility and ensure alignment with delivery capabilities.
  • Provide input into product roadmap, capacity planning, and standardization efforts.
  • Participate in weekly pipeline reviews, bid meetings, and technical syncs.
• Tools & Systems
  • Use design and documentation tools (AutoCAD, Visio, Lucidchart, MS Office, Confluence).
  • Work within Salesforce for quote and SOF tracking.
  • Interface with BMS, DCIM, and infrastructure monitoring systems.

• Bachelor’s or master’s degree in electrical, Mechanical, or related Engineering discipline.
• 3–5+ years of experience in data centre infrastructure design or pre-sales engineering.
• Proven expertise in HV/LV electrical systems, advanced cooling solutions, and mechanical topologies.
• Experience working in carrier-neutral colocation or mission-critical environments.
• Strong customer-facing communication skills, with the ability to lead technical discussions and translate business needs into technical solutions.
• Knowledge of GPU-based infrastructure, liquid cooling technologies, and high-density rack deployment.
• Familiarity with EU regulatory frameworks, ASHRAE guidelines, and Uptime Institute/TIA standards.
• Proficiency in English is required; Other European languages (e.g., French, Dutch, German) are a plus.
• Certifications such as CDCP, CDCS, or vendor-specific designations (e.g., Schneider, Vertiv) are a plus.

• Cutting-edge challenges: Work on high-impact projects that push the boundaries of infrastructure innovation, sustainability, and AI readiness.
• Cross-functional collaboration: Engage directly with clients, vendors, and internal stakeholders across product, sales, and operations.
• Growth & impact: Play a key role in shaping the technical foundation of a fast-growing platform transforming Europe’s digital infrastructure.

If you are passionate about delivering innovative, high-performance colocation solutions and want to help shape the next generation of data centres across Europe, we would love to hear from you.

All selected candidates will undergo a background check to ensure a safe workplace, protect company assets, and comply with regulations.

nLighten is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace, and we encourage applications from candidates of all backgrounds. Even if you do not meet every requirement listed, we welcome your application. We particularly encourage women and individuals from underrepresented groups to apply.