tesslcareers - Field Engineer (Presales)
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Requirements
• A builder first — you write code, not just read it; you're comfortable shipping integrations, tooling, and prototypes as part of the job, not as a side activity • Deep sales cycle fluency — you've operated in enterprise technical sales, understand the full arc from qualification to close, and know how to navigate multiple stakeholders, technical evaluations, and POCs without losing momentum • Full customer lifecycle ownership — you're as comfortable driving post-sale success as you are closing pre-sale; you care about customers getting real outcomes, not just signing contracts • Fluency in the AI tooling ecosystem — you know how tools like Claude Code, Cursor, Copilot, and Gemini work and how engineering teams are adopting them day-to-day • Comfort with ambiguity — field engineering at Tessl doesn't have a defined playbook yet; you'll write it, and you're energised by that rather than unsettled • Clear technical communicator — you can make complex ideas legible to both skeptical engineers and less-technical stakeholders • Collaborative by default — you work fluidly across sales, product, and engineering, and you treat what you learn in the field as shared intelligence • 5+ years of experience in a field engineering, solutions engineering, or technical pre-sales role • Hiring manager screen — a culture and ownership fit conversation with Tom (Field Engineering Lead) • Technical screen — a scenario-based interview focused on real-world field engineering situations, not a coding test, covering both technical scenarios and commercial acumen • Presentation — a two-part exercise: one topic you know well, one you’ve recently learned; may include a short AI-related task • Final Chat - Leadership call • We care deeply about the warm, inclusive environment we’re building at Tessl and we value diversity – we welcome applications from those typically underrepresented in tech. If you like the sound of this role but are not totally sure whether you’re the right person, do apply anyway! • LEARN HOW WE THINK AND WORK • On Tessl, The AI Native Development Startup https://www.tessl.io/blog/announcing-tessl-the-ai-native-development-startup • Announcing skills on Tessl: the package manager for agent skills https://tessl.io/blog/skills-are-software-and-they-need-a-lifecycle-introducing-skills-on-tessl/ • Podcast Episode: The End of Fragmented Agent Context, Guy Podjarny Tessl CEO https://youtu.be/ntkM-hRblfo
Responsibilities
• Help build field engineering from the ground up — as one of the first field engineers at Tessl, you'll help define how we engage customers technically, shape the playbooks, and establish the systems and processes that scale with the team • Own the technical relationship in sales cycles — run demos, answer hard questions, and build trust with engineering audiences ranging from individual developers to CTOs • Understand customers' environments — their agent tooling, developer workflows, CI/CD pipelines — and design solutions that map to how their teams actually work • Guide onboarding and adoption — work with customers post-sale to ensure they're getting real value from the platform, not just licenses • Code alongside the product team — contribute to product development, build integrations, and prototype solutions that inform the roadmap based on what you see in the field • Build AI-first GTM tooling — design and ship internal tools that make our go-to-market motion smarter: automated demos, AI-assisted onboarding, technical qualification tooling, and more • Surface product insights — act as the voice of the field back to engineering and product; the patterns you see across customers are signal we need
Benefits
• We offer a competitive salary commensurate with experience and skills. We provide health insurance which extends to partners and dependents, as well as a pension. • Our office is based a couple of minutes away from King's Cross station. It's also pet friendly, and we make sure to have regular socials such as team lunches, drinks and more. • APPLICATION PROCESS • Here’s an outline of what you can expect during our interview process:
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