Lloyds Banking Group
Lead Data Scientist
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Lead Data Scientist
Salary: £92,701 - £109,060 Location: Edinburgh, Leeds, Manchester & Bristol Hours: Full time (35 hours) Working Pattern: Hybrid (2+ days at office)
At Lloyds Banking Group, we allocate significant focus to digital transformation within the Chief Security Office (CSO), ensuring the safety of our customers, colleagues, and assets against emerging threats. Our Security Data and AI Lab seeks a dynamic Lead Data Scientist to collaborate closely with Analytics and Data Engineering teams, driving transformational change in how we detect, mitigate, and prevent cyber threats using advanced AI and machine learning.
We are committed to shaping the future of cybersecurity in one of the UK's most data-rich environments—a rare opportunity that thrives on innovation and impact.
About Us
As a forward-thinking financial institution, we are continually evolving. Billions are being invested in our people, data, and technology to provide seamless solutions for our 26 million customers. Join us on this journey, and contribute to building a smarter, more secure, and inclusive future for every customer we serve.
Key Responsibilities
- Own the delivery of security outcomes, defining and refining anomaly detection approaches that balance performance, explainability, and operational risk.
- Lead a team of Data Scientists, fostering collaboration and driving innovation within the organisation.
- Drive cutting-edge LLM-based security automation—expertise required in prompt engineering, RAG pipelines, and model fine-tuning.
- Work closely with Data Engineers to build scalable, secure, and production-ready ML pipelines on Google Cloud Platform (GCP).
- Partner with cyber defence, risk, and compliance teams to ensure ethical, secure, and compliant AI models aligned with regulatory frameworks (SOC2, SWIFT, SOX).
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- Be active in the broader Data Science Community of Practice, helping to establish industry-leading best practices across the organisation.
- Translate complex data-driven insights into actionable intelligence for key stakeholders in COO and CSO functions.
Core Requirements
- Demonstrated experience in leading data science initiatives within domains such as cybersecurity, fraud detection, or behavioural analytics.
- Expert-level technical proficiency in:
- Programming (Python)
- ML frameworks (TensorFlow, PyTorch)
- Cloud platforms, specifically GCP (if possible).
- A deep understanding of deep learning fundamentals, including:
- Anomaly detection techniques
- Time-series forecasting
- Advanced deep learning architectures
- Strong familiarity with LLMs and generative AI in production environments—a highly desirable asset.
- A commitment to AI ethics, including model governance and the principles of responsible ML operations.
- Exceptional communication skills with cross-functional teams and the ability to engage with a diverse customer base.
- An innovative mindset, staying ahead of emerging trends in data engineering, AI, and cybersecurity to ensure strategic leadership.
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It would be exceptional if you also possessed:
- Specialised knowledge of emerging threats within cybersecurity.
Benefits
Our initiative centres around fostering inclusivity and celebrating diversity. We strive to create an organized space where everyone is empowered to be their best self, regardless of their background, identity, or culture.
Lloyds Banking Group was among the first major organisations to introduce goals for diversity in senior roles, introduce support initiatives for menopause and working with cancer.
We offer a comprehensive support package along with:
- A generous pension contribution (up to 15%)
- Performance-driven annual bonus awards
- Share schemes, including free shares to align employees with our success
- Personalised benefits, such as discounted shopping and tailored rewards
- 30 days’ paid holiday with additional days for bank holidays
- An array of wellbeing initiatives & parental leave policies supporting personal growth
Why join us? If you are eager to shape cutting-edge-AI security transformations while contributing to one of the UK's largest financial institutions, we’d love to hear from you. Start your journey with Lloyds Banking Group today.
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