Lead Software Engineer, National Security Job at Cheltenham GL JN Full Time

Software Engineering Team Lead – National SecurityPackage – £110,000 – £120,000 + dv bonus + excellent packageLocation – Cheltenham – HybridClearance – eDV Clearance RequiredOverviewOur exciting client is seeking an Engineering Lead to build and lead small, high-performing Agile teams (4–8 engineers) delivering secure, scalable solutions within the UK National Security (NatSec) domain.This is a hands-on leadership role combining architecture, software engineering, and team leadership, with a focus on Software, AI, data platforms, and cloud-native systems.Key ResponsibilitiesLead and mentor Agile engineering teams, driving high-quality, rapid delivery (DevSecOps)Own solution architecture, designing for secure and constrained environments.Lead the implementation of the “underpinning tech” for AI, including data pipelines.Act as a trusted advisor to UK Government stakeholders.Define technical roadmaps and support cloud transformation (AWS/Azure)Core SkillsBackground in UK National Security / Defence / Government.Strong leadership experience in software engineering teams.Proficiency in Python, Go, or Java (+ TypeScript/Node.Js desirable)Expertise in AWS or Azure, Terraform, and Kubernetes (EKS/AKS)Strong grounding in SQL (Postgres) and NoSQL (MongoDB/DynamoDB)Experience with CI/CD, microservices, TDD/BDD.Knowledge of secure system design.Desirable (AI & Data)Vector DBs: Milvus, Weaviate, PineconeData orchestration: Airflow, Prefect, DagsterSearch: ElasticSearch / OpenSearchAI frameworks: LangChain, Hugging FaceMLOps: MLflow, KubeflowIf you are looking for an opportunity to work on mission-critical systems at the forefront of UK National Security? Apply now or get in touch for a confidential conversation.