Principal PM Operations in London

Reference: 129419Role 1: Operations (priority)?Confirmation of AssignmentPrincipal Product Manager - Operations, RadiantRole titlePrincipal Product Manager, Operations (advertised on Ashby as Senior/Principal; you're hiring at principal level, not senior)Number of vacancies1

• Top priority of the three roles (Ops, then Storage, then MLOps)Agreed date to review first CV shortlistTo confirm: Could we lock in a call to review the first shortlist across all three roles? I'd suggest Thursday 5 November 2026 at 10:00 GMT, then a weekly or fortnightly catch-up with Sofi, Joao and me. LocationUK or EU, no further east than GMT+2
• Not France or Italy
• To confirm: Is there a London office, and is that the base for UK hires? WFH policyTo confirm: Is the role fully remote, or do you expect office days? RelocationTo confirm: Would you support relocation into the UK, or should we stick to people already in the UK or EU?Right to workWe check and verify before submitting anyone
• To confirm: Can you sponsor UK visas, and how do you employ people in EU countries (own entity or employer of record)?About RadiantAI infrastructure company running dense, large-scale GPU and CPU compute, including the latest NVIDIA architectures, for AI training, deployment and scaling. Product is moving from generalist PMs to a vertical model where each PM owns a dedicated engineering track. Startup pace, with speed favoured over structure. Role responsibilitiesOwns the hardware and infrastructure lifecycle: what happens from new kit arriving in a DC to it running in the platform
• Coordinates across support, customer, DC ops and platform teams
• Owns strategy, roadmap and delivery for internal tooling, CMDB, service catalogues, operational workflows and third-party tool connections
• Sets up reliable sources of truth for infrastructure, services, customers, environments, ownership and configuration
• Works with SRE, infrastructure, security and support to cut operational friction and improve self-service
• Build vs buy calls on third-party toolingTeam structureOwns a dedicated engineering track under the new vertical PM model
• Works right alongside engineers and is expected to challenge architecture and understand how things are builtReporting linesReports to the CPO
• Long-term path to Group PM for the function
• To confirm: Is the CPO Sofi, and who are the key engineering peers for this track? Essential skills & experienceSubject matter expert in hardware and infrastructure lifecycle, not a generalist PM
• Strongly technical, ideally an engineering background (easier to coach PM skills than technical depth)
• Experience coordinating across support, customer, DC ops and platform teams
• Background in an organisation running significant on-prem infrastructure: hyperscalers, hedge funds, London Metal Exchange or similar
• Technical fluency across APIs, Kubernetes and cloud, inventory and dependency data, automation, observability and security
• Principal level: too senior or detached from hands-on work won't fit (e.g. an SVP at Amazon)
• Actively enjoys ambiguity and speed rather than tolerating itDesirable skills & experienceAI-specific experience not required
• NetBox, ServiceNow, Terraform, Grafana, Jira or similar
• Distributed systems concepts (retries, idempotency, eventual consistency, failure handling)
• Open to people who've stepped back from a Head or Lead role to build a function from scratch
• Red flags: more than one job lasting under a year, no technical background, too far removed from hands-on technical workSalaryBase from 100,000 at principal level
• Total package into the 200,000 range including bonus and backdated equity
• Flexible for the right profile: find the person first, then make it work
• To confirm: Is the bonus 30% of base? Benefits25 days annual leave
• Dedicated learning time
• Private medical insurance via Bupa
• Cycle to work scheme
• Gympass subscription
• Company shares programme
• Enhanced parental pay and leaveSell of the roleBuild a function from scratch at principal level, with a route to Group PM
• Own a dedicated engineering track in a new vertical product model
• Engineering depth is valued more than PM credentials, so technical people get real weight here
• Product ownership over some of the most advanced GPU infrastructure running anywhere
• Package into the 200k range with backdated equity, and flexibility for the right personBespoke interview screening questionsOur pre-screen will focus on: Hands-on hardware and infrastructure lifecycle experience, walked through in detail (two candidates have already failed for not being technical enough)
• Engineering background and ability to challenge architecture
• Coordinating support, customer, DC ops and platform teams
• Time in on-prem-heavy environments
• Real appetite for startup ambiguity and speed
• Job history, checking for more than one move under a yearInterview process1. People screen
• 2. One-hour interview with Joao on culture and technical depth (first gate)
• 3. One-hour technical interview with one product and one engineering interviewer
• 4. Final with the CTO and CCO
• To confirm: How long are stages 1 and 4, are any in person, and what's the target end-to-end timeframe? Submission processVia Ashby, with Adam Whitehurst added to the role
• Shared Slack channel between Radiant, Trust in SODA and Trinnovo as the main channel for candidate updates
• To confirm: What feedback turnaround can we expect on CVs and after each stage? Recruitment activityTwo candidates have already failed for not being technical enough
• We'll search hyperscalers, hedge funds, exchanges and other on-prem-heavy businesses, prioritising engineers who've moved into product
• To confirm: How long has the role been open, and which channels have you tried? Start dateTo confirm: Ideal start date and the longest notice period you'd accept? Terms and partnership type agreedTo confirm: Could you confirm the terms we're working on for these three roles?