1,536,483open jobs
92,030companies
235,625added this week
Browse all
Salary
≈ $100k – $209k per year (Estimated)
Location
Hybrid (London, United Kingdom)
Seniority
Staff
Visa
No sponsorship (stated in the posting)

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 8, 2026. Zaizi scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Zaizi is a London technology company founded in 2007 that builds secure digital services for government. Its teams deliver content management, data platforms and cloud services for departments handling sensitive information. The company holds security clearances and works on border, justice and defence programmes.

Work on exciting public sector projects and make a positive difference in people’s lives. At Zaizi, we thrive on solving complex challenges through creative thinking and the latest tools and tech.

As a Machine Learning Engineer,AI, you’ll be responsible for researching, developing, and testing new AI algorithms, models, and technologies that businesses can use to automate tasks and gain insights from their data.

Key responsibilities include building complex models, designing and managing MLOps pipelines for CI/CD, monitoring, and model retraining. Mentoring junior members, influencing technical decisions within the team, and handling complex, non-routine problems.

Our work culture is inclusive, modern, friendly, and democratic. We look for bright, positive-thinking individuals with a can-do attitude. Our people enjoy challenging themselves to be the best at what they do - if that sounds like you, you'll fit right in!

Role Objectives

These are the expected objectives for this role. We are happy to discuss this further during the interview process with the successful candidate.

  • Model Development & Delivery: Design, build, test, and deploy complex machine learning models, ensuring high standards of quality, performance, and scalabilityDecide what model is most suitable for use in products and services
  • MLOps Pipeline Management: Design and manage robust MLOps pipelines, including continuous integration/continuous delivery (CI/CD), monitoring, and model retraining, to ensure efficient and reliable model deployment and operation
  • Advanced Problem Solving: Act as a technical expert for complex, non-routine technical challenges within machine learning, developing and implementing innovative and effective solutions
  • Customise, optimise, re-train and maintain existing models
  • Deploy models into production, testing and assuring them to ensure they meet performance requirements
  • Work with others to integrate models with existing systems
  • Check that models used in live products and services stay safe, secure and continue to work effectively

Requirements

  • Broad technical expertise in machine learning, demonstrating a deep understanding of various ML algorithms, frameworks, and best practices.
  • Research. Plans and directs and carries out research activities, acting as a subject matter expert in generative AI research.
  • Emerging Technology Monitoring. Systematically discovers and evaluates new generative AI technologies for business relevance, feasibility and relevance within the National Security Domain.
  • Prototyping. Delivers complex, high-risk proofs of concept that test new AI applications.
  • Specialist Advice. Serves as the primary source of expertise for generative AI within the organization.
  • Data Science. Applies a range of data science techniques to support model development.
  • Proven experience in building, deploying, and managing complex machine learning models.

SC Clearance:

Zaizi works with UK Central Government departments on a range of projects. To be able to work on our customer projects, employees must be Security Cleared to a standard acceptable to our Government customers. Due to this restriction we can currently only recruit candidates who have the right to work in the UK without sponsorship and who have lived in the UK for the last 5+ years continuously.

Benefits

Compensation

  • Competitive Pay: Salaries reviewed annually to ensure they reflect your performance and market value.
  • Loyalty Pension: We invest in your future. Starting at a 5% employer contribution, we increase this by 0.5% every year after your third anniversary, up to a maximum of 8%.
  • Protection: Comprehensive Group Life Assurance for peace of mind.

Purpose & Culture

  • Real Impact: Work on mission-critical projects that secure and improve the UK's digital infrastructure.
  • Autonomy: A culture that empowers you to make decisions, prototype rapidly, and iterate towards success.
  • Service & Community: We support those who serve. 10 paid days for Reservist Military Service.

Work / Life Balance

  • Time Off: 25 days annual leave + Bank Holidays, with the flexibility to Buy/Sell additional days to suit your lifestyle.
  • Giving back: 2 paid volunteering days per year.

Development & Growth

  • Master Your Craft: Fully funded professional certifications (AWS, GCP, Agile, etc.) supported by 5 days paid study leave.
  • Expand Your Horizons: An additional £500 annual "Personal Choice" fund to learn whatever inspires you-work-related or not.
  • Support: Access to 1-2-1 professional coaching and team training to accelerate your career.

Health & Balance

  • Premium Health: Vitality Private Medical Insurance (includes Apple Watch, gym discounts, and rewards).
  • Flexibility: Genuine hybrid working with a WFH equipment allowance to perfect your home setup.
  • Wellbeing: Cycle to Work scheme and a commitment to sustainable, healthy working practices.

For further information contact: [email protected]

Nat Hinds: Head of Talent

Kayla Kirby: Talent Acquisition Specialist

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,536,483 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
London
$205k – $215k per year • Equity • Hybrid • Full-Time • 5+ years exp • London
AI/ML
Machine Learning
Apply
$205k – $215k per year • Equity • Hybrid • Full-Time • 7+ years exp • London
AI/ML
Machine Learning
Apply
$192k – $241k per year • Hybrid • London
Python
AI/ML
Fine-tuning
Embeddings
Quantization
PyTorch
LLM
Analytics
A/B Testing
Apply
$178k – $231k per year • Hybrid • London
AI/ML
Fine-tuning
LLM
Apply
AI Engineering Lead 10 hours ago
≈ $77k – $163k per year (Estimated) • In office • Full-Time • Nottingham
AI/ML
AI Agents
AgentOps
OpenAI
Copilot Studio
DevOps
Azure
CI/CD
Platform Engineering
Apply
≈ $95k – $189k per year (Estimated) • In office • 5+ years exp • Bachelor's Degree • Reston
Python
JavaScript
SQL
Databases
PostgreSQL
DevOps
CI/CD
AWS
Analytics
ETL/ELT
Management
Agile
Apply
≈ $28k – $57k per year (Estimated) • Hybrid • Full-Time • 8+ years exp • Bachelor's Degree • Hyderabad
Python
JavaScript
TypeScript
C#
C#
.NET
AI/ML
AI Agents
RAG
Frontend
Angular
React.js
DevOps
Rest API
Terraform
CloudFormation
Azure
CI/CD
AWS
Bicep
Management
Microsoft Project
ServiceNow
Apply
≈ $57k – $151k per year (Estimated) • In office • 5+ years exp • Bachelor's Degree • Cairo
JavaScript
TypeScript
SQL
C#
Node JS
C#
.NET
Frontend
Angular
React.js
DevOps
Azure DevOps
Azure
AWS
Analytics
Azure Data Factory
Management
Agile
Scrum
QA
JMeter
Playwright
Apply
≈ $41k – $113k per year (Estimated) • In office • 3+ years exp • Bachelor's Degree • Cairo
JavaScript
C#
C#
.NET
DevOps
Azure DevOps
Azure
CI/CD
Analytics
Power BI
Management
Power Automate
Power Apps
Agile
Scrum
Apply
≈ $42k – $116k per year (Estimated) • In office • 5+ years exp • Bachelor's Degree • Cairo
JavaScript
Apex
Apex
MuleSoft
Databases
Apache Kafka
DevOps
Rest API
Azure DevOps
Azure
CI/CD
SOAP
Management
Jira
ServiceNow
Agile
Apply
≈ $69k – $184k per year (Estimated) • Hybrid • Cheltenham
Python
JavaScript
Rust
C++
C++
PyTorch C++
AI/ML
PyTorch
Machine Learning
Frontend
React.js
DevOps
GCP
Azure
Git
AWS
Docker
Management
Agile
Apply
≈ $67k – $179k per year (Estimated) • Hybrid • Cheltenham
AI/ML
Machine Learning
DevOps
GCP
AWS
Management
Agile
Apply
≈ $85k – $179k per year (Estimated) • Hybrid • Full-Time • Cheltenham
AI/ML
Machine Learning
DevOps
GCP
CI/CD
AWS
Management
Agile
Apply
Head of Engineering 5 days ago
≈ $120k – $225k per year (Estimated) • Hybrid • London
AI/ML
AI Agents
RAG
DevOps
GCP
CI/CD
AWS
Management
Agile
Apply
≈ $36k – $69k per year (Estimated) • Hybrid • London
DevOps
GCP
Azure
AWS
Cybersecurity
Microsoft Defender
Microsoft Entra ID
Management
Google Workspace
Agile
Service Desk
Apply
In office • Internship • Master's Degree • London
Python
AI/ML
AI Agents
NLP
Transformers
PyTorch
LLM
Hugging Face
SFT
Machine Learning
Apply
≈ $34k – $74k per year (Estimated) • In office • London
Apply
≈ $89k – $207k per year (Estimated) • In office • Full-Time • Bachelor's Degree • London
Python
JavaScript
Java
PHP
Ruby
C#
C++
Node JS
DevOps
AWS
Apply
≈ $110k – $195k per year (Estimated) • In office • Full-Time • Bachelor's Degree • London
Databases
SAP HANA
AI/ML
AI Agents
DevOps
AWS
Analytics
SAP BusinessObjects
Apply
$38k per year • In office • Part-Time • London
Management
Outlook
Apply
See all jobs
This is one of many
1,536,483 more open roles from verified company boards, updated every day.