# Senior Model Validator

**Company**: London Stock Exchange Group (LSEG)
**Location**: Bucharest
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Category**: Data Science
**Industry**: Finance

**Apply**: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/Bucharest-Romania/AI-Senior-Risk-Manager_R0119757-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/senior-model-validator-7c1eedd3-bd5/

## 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

### Required
- Python
- GenAI
- NLP/ML
- Predictive AI
- Generative AI

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