Zaizi
Zaizi
Zaizi works with government and security-focused organizations to create, improve, and maintain secure digital services. Its work combines strategy, service design, product management, user research, agile delivery, automation, and cloud services to address complex public-sector challenges. Zaizi emphasizes evidence-based decisions, close collaboration, and solutions that help clients build lasting digital capability across areas including border security, national security, and broader government services.

Lead Machine Learning Engineer, AI at Zaizi - UK Hybrid

Lead the development and deployment of generative AI and MLOps solutions for Zaizi’s UK public-sector projects. Research emerging AI technologies, deliver secure production models, and mentor engineering teams.

Description

  • Investigate, develop, and validate new AI algorithms, models, and technologies
  • Create sophisticated machine learning models
  • Build, operate, and maintain MLOps pipelines for CI/CD, monitoring, and model retraining
  • Design, develop, test, and deploy advanced machine learning models
  • Select the most appropriate models for products and services
  • Provide technical leadership on complex and unusual machine learning problems
  • Adapt, optimise, retrain, and maintain existing models
  • Release models to production and validate them against performance requirements
  • Connect machine learning models with existing systems
  • Monitor production models to maintain their safety, security, and effectiveness
  • Support the development of junior team members through mentoring
  • Shape technical decisions across the team

Requirements

  • Extensive machine learning expertise, including strong knowledge of ML algorithms, frameworks, and established practices
  • Lead generative AI research as a subject-matter expert, including planning and directing research activities
  • Identify and assess emerging generative AI technologies for business value, feasibility, and application in the National Security Domain
  • Deliver complex, high-risk proofs of concept for new AI applications
  • Act as the organisation’s principal source of generative AI expertise
  • Use varied data science methods to support model development
  • Demonstrated experience building, deploying, and managing complex machine learning models
  • Eligible to work in the UK without sponsorship
  • Have lived continuously in the UK for more than five years to satisfy SC Clearance requirements

Benefits

  • Annual salary reviews aligned with performance and market value
  • Loyalty Pension with a 5% employer contribution initially, rising by 0.5% annually after the third anniversary to a maximum of 8%
  • Comprehensive Group Life Assurance
  • 10 paid days for Reservist Military Service
  • 25 days of annual leave plus Bank Holidays
  • Option to buy or sell additional annual leave
  • Two paid volunteering days each year
  • Professional certifications fully funded, including AWS, GCP, and Agile
  • Five days of paid study leave
  • £500 annual Personal Choice fund
  • Access to one-to-one professional coaching and team training
  • Vitality Private Medical Insurance with Apple Watch, gym discounts, and rewards
  • Hybrid working arrangement
  • Allowance for work-from-home equipment
  • Cycle to Work scheme

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