PhysicsX · London
This is a live UK-based role at PhysicsX, a UK Skilled Worker sponsor tracked by Sponsorly AI against the Home Office register. Posted 29 September 2026. Listed as open until 29 October 2026.
About us Re-architecting Engineering for the Age of Intelligence PhysicsX is the physics AI company for industrials. The company’s mission is to accelerate hardware innovation by overhauling what industrial engineering and manufacturing look like today. PhysicsX is building a new simulation software stack to deliver deep physics AI enablement across the entire engineering lifecycle. The company partners with leading organisations in aerospace & defence, automotive, semiconductors, materials, and energy & renewables, supporting them on some of their most critical and complex challenges. PhysicsX is headquartered in the United Kingdom, with offices in London, New York, and Singapore and an expanding presence in the Bay Area. The Mission We’re looking for an enthusiastic and opinionated Senior AI Engineer to define how AI agents transform Engineering workflows across industries such as Manufacturing, Aerospace, and Semi-conductor. You'll be building the foundations that power next-generation simulation and design tools used by industry-leading engineering teams. Our platform allows Forward Deployed Engineers (FDEs) and customers to build and deploy deep learning surrogates that solve massive engineering challenges. Your mission is to architect the Agentic stack within this wider ecosystem. You will build a production-grade platform that enables our Product teams, FDEs, and customers to compose advanced AI workflows safely, transparently, and reliably. You will set the strategic direction for our platform's critical infrastructure and lead key implementation efforts. You are someone with the scar tissue of running agents in production. You have strong, reasoned opinions on emerging open standards (such as MCP, A2A, and ACP) and deep expertise in complex architectural patterns like durable execution and agent memory. You are passionate about building a world-class developer experience that transforms complex research into robust, deployed engineering solutions. Core Responsibilities You will serve as the principal architect for our Agentic ecosystem, responsible for the high-level design choices that define how agents run at PhysicsX. You will cover topics such as: Agent Observability: Own the implementation to enforce deep tracing, granular cost tracking, and observability across the lifecycle. Agent Deployment: Deliver an intuitive deployment lifecycle which simplifies questions around auth, discoverability and resource requirements. Agent Sandboxing: Architect secure environments to isolate and allow agents to operate safely. Agent Evals: Implement a stack that empowers domain experts to efficiently annotate traces, turning qualitative feedback into quantitative, reproducible evaluation datasets. Agent Governance: Implement robust identity and access patterns to ensure agents can safely and correctly act on behalf of users in a regulated enterprise environment. The Tech Stack Core Platform: Python (Primary), Go or TypeScript (Secondary), Kubernet…
Listing tracked by Sponsorly AI from PhysicsX's own job posting. Apply directly with the employer — Sponsorly does not process applications.