Gloucester location - hybrid working when possibleMust hold active Enhanced DV Clearance (West)Competitive Salary DOE - 6% bonus, 25 days holiday, clearance bonusExperience in Data Pipelines, ETL processing, Data Integration, Apache, SQL/NoSQL, Team LeadershipWho Are We?Our client is a trusted and growing supplier to the National Security sector, delivering mission-critical solutions that help keep the nation safe, secure, and prosperous. You'll work with cutting-edge technologies, including AI/Data Science, Cyber, Cloud, DevOps/SRE, and Platform Engineering. They have long-term contracts secured across the latest customer framework and are set for significant growth.What will the Lead Data Engineer be Doing?You will develop mission-critical data solutions for National Security clients, working with cutting-edge technologies such as AI/DS, Cyber, Cloud, DevOps/SRE, and Platform Engineering. You'll collaborate directly with customers across National Security, Defence, and Intelligence to solve complex, high-stakes challenges. The role involves designing and implementing sophisticated data pipelines to connect operational systems with analytics and business intelligence platforms.Responsibilities include:Design, build, and maintain data pipelines, including ingestion, orchestration, and enrichmentDevelop data-streaming and ETL solutions (e.g. NiFi)Model databases and integrate data from diverse sourcesEnsure data quality, consistency, and securityMonitor and optimise system performanceWrite clean, secure, reusable, test-driven codeApply systems integration expertise within agile teamsDecompose user needs into epics and storiesPromote reuse of data flows and best practices across teamsChampion data engineering standards across governmentThe Lead Data Engineer Should Have:Active eDV clearance (West)Willingness to work full-time on-site in Gloucester when required.Required experience in the following:Apache KafkaApache NiFISQL and NoSQL databases (e.g. MongoDB)ETL processing languages such as Groovy, Python or JavaUnderstand and interpret technical and business stakeholder needsManage expectations through clear, proactive communicationLead and support challenging conversations with teams and senior stakeholdersTo be Considered:Please either apply by clicking online or emailing me directly to. For further information please call me on / - I can make myself available outside of normal working hours to suit from 7am until 10pm. If unavailable, please leave a message and either myself or one of my colleagues will respond. By applying for this role, you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to follow me on or connect with me on LinkedIn, just search Henry Clay-Davies (searchability). I look forward to hearing from you.KEY SKILLS:DATA ENGINEER / DATA ENGINEERING / DEFENCE / NATIONAL SECURITY / DATA STRATEGY / DATA PIPELINES / DATA GOVERNANCE / SQL / NOSQL / APACHE / NIFI / KAFKA / ETL / GLOUCESTER / DV / SECURITY CLEARED / DV CLEARANCE