Senior Applied AI Engineer (Pre-Sales) - Public Sector Transformation in London

We’re Celonis, the global leader in Process Intelligence technology and one of the world's fastest-growing SaaS firms. We believe there is a massive opportunity to unlock productivity by placing AI, data and intelligence at the core of business processes - and for that, we need your help.

The Team: You’ll join the Value Engineering team, a highly technical, strategic, customer‑facing group that sits at the intersection of pre‑sales, analytics, and transformation consulting. Value Engineers at Celonis are hands‑on practitioners. They combine strong technical capability with consulting and stakeholder skills to guide customers through the full value journey — from first demo to long‑term adoption and expansion.

The Role: As an Applied AI Engineer (Pre‑Sales) you are pushing the envelope in solving business‑critical problems for our customers. You will be working with our most strategic customers, understanding their objectives and key challenges, and building Celonis solutions using the world’s leading Process Intelligence (PI) platform in combination with the largest AI and ML technology partners, such as Microsoft, OpenAI and Databricks. With Celonis’ Process Intelligence (PI) platform we feed operational context to AI so it understands our customers’ business and enables them to industrialize AI unlocking real ROI on AI deployments and at scale. There is no AI without PI. You will prototype these solutions, demonstrate their value to Executives and ensure successful implementation, adoption and value realization in order to increase the footprint of Celonis at those customers.

The work you’ll do:

• AI Discovery & Solutioning: Understand customers AI strategy and business critical challenges. As Celonis product & domain expert, find the best problem‑solution fit and translate customer requirements into innovative solutions that move the needle.
• Hackathons & Prototyping: Think out of the box, have a „can‑do“ attitude and don’t shy away from complex problems. Leverage cutting edge AI technologies to rapidly build creative prototypes in customer hackathons solving business critical problems.
• Agentic Process Transformation: Support our customers in achieving real ROI out of AI deployments at scale enabling a fundamental shift in business operations from traditional, rule‑based automation to the use of autonomous AI agents empowered by our Celonis Process Intelligence Platform.
• Proof projects: End‑to‑end execution of business‑critical Proof‑of‑Value projects, incl. architecture and deliver secure, scalable LLM/agent systems with RAG, tools, and guardrails; integrating with enterprise data, identity, and compliance frameworks. Ensure Successful Project Outcome: Applied AI Engineers stay involved with projects until agreed value & adoption thresholds are reached.
• Specialize in Domains or Industries: To scale knowledge across the organization Applied AI Engineers specialize in domains (e.g. supply chain) and industries.

The qualifications you need:

• 3+ years of experience leading technical pre‑sales, including defining AI roadmaps, building compelling ROI/TCO business cases and prototyping of machine learning and generative AI solutions.
• Understanding of generative AI techniques like RAG, few shot learning, prompt engineering, multi‑agent orchestration, multimodal understanding, or fine‑tuning that are used to build high‑impact use cases like intelligent chatbots and automated text processors.
• Understanding of business processes across sectors (such as Supply Chain or Finance) with the ability to translate high‑level business needs into specific AI use cases.
• Good knowledge of Python and common ML libraries (such as LangChain, pandas, pydantic, sklearn, PyTorch) as well as data engineering tools and technologies.
• Strong presentation skills to both internal and external stakeholders (including executives), whether whiteboarding sessions or formal readouts and demos.
• Bachelor’s Degree required, Masters Degree in computer science, physics, engineering, mathematics or related fields, or equivalent work experience preferred.
• Eligibility for UK Security Check (SC) clearance is required; existing clearance is a strong advantage.

Nice to have (big plus):

• Hands‑on experience building agentic systems using LLM orchestration, RAG, function calling, and prompt engineering, while ensuring safety through rigorous evaluations and guardrails.
• Working knowledge of tools in the LLM ecosystem such as LangChain, LlamaIndex, or other OSS packages.
• Experience in deploying and monitoring models at scale across major cloud platforms (AWS Bedrock, Azure AI, GCP Vertex).

What Celonis Can Offer You:

• Pioneer Innovation: Work with the leading, award‑winning process mining technology, shaping the future of business.
• Accelerate Your Growth: Benefit from clear career paths, internal mobility, a dedicated learning program, and mentorship opportunities.
• Receive Exceptional Benefits: Including generous PTO, hybrid working options, company equity (RSUs), comprehensive benefits, extensive parental leave, dedicated volunteer days, and much more.
• Prioritize Your Well‑being: Access to resources such as gym subsidies, counseling, and well‑being programs.
• Connect and Belong: Find community and support through dedicated inclusion and belonging programs.
• Make Meaningful Impact: Be part of a company driven by strong values that guide everything we do: Live for Customer Value, The Best Team Wins, We Own It, and Earth Is Our Future.
• Collaborate Globally: Join a dynamic, international team of talented individuals.
• Empowered Environment: Contribute your ideas in an open culture with autonomous teams.

About Us: Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry‑leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation. It’s system‑agnostic and without bias, and provides everyone with a common language for understanding and improving businesses. Celonis enables its customers to continuously realize significant value across the top, bottom, and green line. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.

Celonis Inclusion Statement: At Celonis, we believe our people make us who we are and that “The Best Team Wins”. We know that the best teams are made up of people who bring different perspectives to the table. And when everyone feels included, able to speak up and knows their voice is heard - that’s when creativity and innovation happen.