Stealth iT Consulting
Platform Engineer
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AI Platform Engineer - Senior Consultant - SC Eligibility required - Permanent
Locations: London, Manchester, Glasgow + other UK locations
Salary: Up to £70,000 + Bonus & Benefits
Active SC or SC Eligibility essential
As an AI Platform Engineer, you’ll design, build, and operate the infrastructure that enterprise AI and Generative AI workloads run on: the platform layer beneath LLMs, agents, and MLOps pipelines. This spans GPU-accelerated compute and container platforms, model serving and gateway infrastructure, evaluation and guardrail systems, and the MLOps/LLMOps tooling that takes a model from experiment to production. You’ll work across hybrid and multi-cloud environments, helping clients modernize their AI infrastructure and adopt AI safely and at scale.
As part of your role, you will:
- Be a senior or lead engineer on client AI platform engagements
- Architect and deploy AI-ready infrastructure (GPU-accelerated compute, Kubernetes/OpenShift, and cloud-native services) across cloud, on-premises, and hybrid environments
- Build and operate core AI platform components: model serving and gateway infrastructure, agent orchestration and tool-calling frameworks, evaluation harnesses, and guardrail/governance layers
- Implement MLOps and LLMOps pipelines (model deployment, monitoring, retraining, and fine-tuning where relevant) using Infrastructure-as-Code, GitOps, and CI/CD
- Establish observability, security, and governance frameworks specific to AI systems, including cost attribution and lifecycle management
- Work with clients and internal teams to develop new opportunities and shape a strong AI platform engineering culture
- Lead client workshops, architecture reviews, and technical briefings; provide operational support including monitoring and troubleshooting
- Share your knowledge and experience with colleagues as you coach and mentor them, while developing your own skills by experimenting with and learning new technologies
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You’ll bring deep, hands-on experience in most of the areas below, with strong depth in AI/GenAI platform engineering specifically. You don’t need to tick every box.
AI & GenAI Platform Engineering
- Model serving and gateway infrastructure (e.g. vLLM, LiteLLM, managed endpoints), with routing, failover, and per-workload cost attribution
- Agent orchestration and tool-calling frameworks (e.g. LangGraph or equivalent), including familiarity with the Model Context Protocol (MCP)
- Evaluation engineering (golden datasets, regression gates in CI, LLM-judge calibration)
- Guardrail and AI-observability tooling (e.g. NeMo Guardrails, OpenTelemetry GenAI conventions, LangSmith, Braintrust)
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MLOps & LLMOps
- Hands-on with MLOps platforms (Azure ML, Databricks, SageMaker) and vector/retrieval databases (Pinecone, Milvus, pgvector)
- Experience with GPU-accelerated infrastructure and NVIDIA AI Enterprise or equivalent stacks
- Exposure to fine-tuning, RLHF, or SLM distillation is a strong plus
Cloud-Native & Infrastructure
- Deep expertise in Kubernetes and container platforms (OpenShift, AKS, EKS, GKE, or VMware Tanzu)
- Infrastructure as Code and DevOps practices (Terraform, Bicep, Ansible, GitOps and CI/CD pipelines)
- 5+ years’ experience across Azure, AWS, or GCP; strong DevOps fundamentals
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
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