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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Infrastructure Principal Architect - **Company:** Hackajob Ltd - **Location:** Southall, UK - **Salary:** £61,000.0 - £101,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Airflow, Architectural Patterns, C++ (Programming Language), Cloud Computing, Computer Engineering, Python (Programming Language), Machine Learning, Workflow Management Systems, AI Infrastructure, Kubernetes, Information Technology, Enterprise Integration, Machine Learning Operations, Data Pipelines, Programming Languages - **Published:** September 27, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5899594629 ## About the Role * Bachelors degree in Computer Science, Computer Engineering, or a related Engineering field. * Significant experience in coding, building, monitoring, and troubleshooting AI/ML model applications, including selecting, designing, and building infrastructure for deployment and runtime on-premise or on public cloud. * Strong understanding of AI and machine learning. * Strong understanding of computing infrastructure, with preferred knowledge of AI infrastructure. * Well-versed and proven experience in programming languages such as Python, Java, or C++. * Experience with data pipeline and workflow management tools such as Apache Airflow or Kubeflow. * Strong problem-solving skills and the ability to work in a fast-paced environment. * Excellent communication and collaboration skills. * Longstanding experience in AI/ML infrastructure engineering or related roles on a hyperscaler platform for deploying large-scale solutions. * Proven experience leading and managing AI projects and teams. * Strong project management skills, with the ability to manage multiple projects simultaneously. * Demonstrated experience evaluating and selecting AI technologies and frameworks. * Ability to work with cross-functional teams and drive project alignment. ## Description * Set the overarching technical vision and strategy for compute infrastructure supporting large-scale AI/ML systems. * Own the most complex architecture decisions across compute, networking, storage, orchestration, and model serving. * Architect and hands-on prototype large-scale, cost-optimized compute and distributed training systems. * Define reference architectures, standards, and architectural patterns, and implement foundational tooling, infrastructure-as-code, and automation. * Lead enterprise-scale architecture assessments and design reviews, getting hands-on in the environment to validate findings and profile workloads. * Shape and steward the AI infrastructure roadmap and technology strategy. * Identify, evaluate, and hands-on pilot emerging technologies and innovations. * Drive hands-on performance and cost optimization of the computational stack. * Serve as the principal authority across hyperscaler cloud platforms. * Lead deep troubleshooting and root-cause analysis across hardware, networking, software, and models. * Cultivate and lead relationships with infrastructure partners and partnering organizations. * Provide executive- and client-level technical advisory and translate complex trade-offs into clear recommendations tied to business outcomes. * Define monitoring, observability, and reliability strategy across InfraOps and MLOps, and implement instrumentation, SLAs, SLOs, and cost/performance governance. * Ensure enterprise integration, security, compliance, and regulatory alignment of AI/ML infrastructure. * Mentor, elevate, and grow the architect community. * Champion cost-efficiency and value realization for AI/ML infrastructure. Technologies: * AI * Airflow * Architect * Cloud * Hardware * Java * Kubeflow * Machine Learning * MLOps * Model Serving * Python * Security ## Related Videos - [Reference Architecture of AI in the Cloud](https://www.wearedevelopers.com/videos/1613-reference-architecture-of-ai-in-the-cloud) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Python-Based Data Streaming Pipelines Within Minutes](https://www.wearedevelopers.com/videos/1233-python-based-data-streaming-pipelines-within-minutes) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [What Industries Outside of AI Are Hiring The Most AI Experts?](https://www.wearedevelopers.com/magazine/98-what-industries-outside-of-ai-are-hiring-the-most-ai-experts) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [6 Reasons to Use Java For Your Next AI Project](https://www.wearedevelopers.com/magazine/111-6-reasons-to-use-java-for-your-next-ai-project) - [Transforming Software Development: The Role of AI and Developer Tools](https://www.wearedevelopers.com/magazine/527-transforming-software-development-the-role-of-ai-and-developer-tools) - [Got AI ideas but no money? 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