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From the employer's careers site First seen 29 Oct 2026 · Still live on 11 Nov 2026

Senior Model Validator

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

As a Senior Model Validator, you'll focus on challenging and validating Generative AI use cases across the business. Your work will ensure models are robust, fair, and fit for purpose.

Responsibilities:

  • Independently assess technical aspects of GenAI models and perform hands-on testing
  • Design SME question sets tailored to different AI use cases
  • Challenge development teams on use case design and testing methodology
  • Identify and escalate risks, and collaborate on resolution plans
  • Document validation outcomes in clear, structured reports
  • Build strong relationships with model owners and developers in the First Line of Defence
  • Adapt quickly to tasks of varying complexity and priority
  • Support junior validation team

What We're Looking For:

  • 7-10 years of experience in AI development or model risk, including GenAI and NLP/ML
  • Postgraduate degree (MS/PhD) in Computer Science, Engineering, Mathematics, or related fields
  • Solid theoretical knowledge of Predictive and Generative AI techniques
  • Hands-on experience with GenAI model development and validation, including bias, fairness, and toxicity assessments
  • Strong Python skills for modelling and analysis
  • Familiarity with the full AI development lifecycle
  • Curiosity and enthusiasm for AI research and emerging trends

Benefits:

  • Work on cutting-edge AI validation projects
  • Collaborate with global teams while growing the local capability
  • Hybrid working model with flexibility
  • Supportive, inclusive culture that values innovation and learning
  • 25 days' holiday per year
  • 1 additional day off for your Birthday
  • Annual wellness allowance
  • Share Purchase Plan
  • Medical Health Insurance
  • Medical Subscription (preventive medical services)
  • Life insurance
  • Pillar 3 Private Pension
  • Meal Vouchers
  • Flexible Benefits
  • Bookster
  • Volunteering Events

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Skills

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Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/Bucharest-Romania/AI-Senior-Risk-Manager_R0119757-1

Apply on London Stock Exchange Group (LSEG)