Lead AI Engineer in Cheshire, Warrington

Ready to apply your experience and expertise in AI engineering? We have an exciting opportunity for you — Lead AI Engineer!

Careers at TCS: It means more. TCS is a purpose‑led transformation company, built on belief. We do not just help businesses transform through technology. We support them in making a meaningful difference to the people and communities they serve – our clients include some of the biggest brands in the UK and worldwide.

• Apply your AI engineering expertise to solve complex, real‑world problems.
• Collaborate with diverse teams to build scalable, high‑impact solutions.
• Drive innovation by experimenting with emerging AI technologies.

The Role: As a Lead AI/ML Engineer, you will design, build and optimise scalable AI workflows and intelligent systems that enhance enterprise processes and customer experiences. You will work closely with cross‑functional teams, lead solution development, and ensure best‑practice implementation across model design, performance optimisation and integration.

Key Responsibilities:

• Design and implement AI workflows and high‑performing ML models.
• Build solutions using LangChain for agent‑based and RAG‑driven architectures.
• Optimise and scale AI/ML models for reliability and efficiency.
• Apply prompt‑engineering techniques to improve LLM outputs.
• Collaborate with cross‑functional teams to translate business requirements into technical solutions.
• Communicate insights and recommendations to stakeholders.
• Stay current with AI/ML trends, tooling and best practices.

Your Profile:

Essential Skills / Knowledge / Experience:

• Strong hands‑on experience with AI/ML frameworks (TensorFlow, PyTorch, scikit‑learn).
• Experience with Vertex AI, Gemini, Azure OpenAI, Cloud Vision or similar platforms.
• Proficiency in Python (with optional experience in R or Java).
• Solid understanding of data structures, algorithms and statistical modelling.
• Proven experience delivering end‑to‑end AI/ML projects.
• Excellent analytical, problem‑solving and communication skills.
• Strong collaboration experience within multi‑disciplinary teams.

Desirable Skills / Knowledge / Experience:

• Familiarity with LangChain and RAG systems.
• Experience with cloud platforms (Google Cloud, Azure).
• Knowledge of prompt‑engineering methods.
• Exposure to multi‑agent orchestration frameworks.
• Understanding of ethical and Responsible AI practices.

Rewards & Benefits: TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network. We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.

Diversity, Inclusion and Wellbeing: Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role.

Next Steps: Application Process Online application: You can apply directly through LinkedIn/ by uploading your CV. In case you wish to submit your application via another format like audio/video, please, contact. Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person. Details will be confirmed by your recruiter. Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit. HR Discussion: This will be with one of the members of the HR team and will cover your career journey, aspirations for growth, compensation and any other questions you may have.

Beware of Fraudulent offers: This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests!

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.