Data Engineer - Security & Intelligence

Join the Growth Story at Envitia
Envitia operates at the heart of the UK's most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains.
We deliver situational awareness and information advantage across C5

ISR, fusing cyber, geospatial, and kinetic data into an operational picture. This transforms fragmented data into a shared understanding of the battlespace, delivering actionable insight when it matters most.
Our solutions are secure-by-design, built from the ground up to protect sensitive information and ensure resilience in contested environments. We simplify complex heterogeneous data sources into a rich picture of fused intelligence, providing a digital backbone that underpins success.
We operate as small teams delivering fast value, blending deep technical expertise with agile methods to deliver measurable outcomes. Every engagement focuses on capability, clarity, and confidence for those who protect the nation.
A career with Envitia enables you to work with mission driven innovation.
We're thrilled to announce that Envitia has been named one of the Sunday Times Top 100 Medium-Sized Companies to Work For in 2025—a prestigious recognition that highlights our commitment to creating an outstanding workplace where innovation, collaboration, and personal growth thrive.

The Role
Envitia is looking for a Senior Data Engineer to join our growing Security & Intelligence Consulting team.
You'll help design and build modern data platforms that enable organisations across Defence, Government and National Security to make faster, better-informed decisions from complex and diverse datasets.
Working alongside data scientists, software engineers, architects and consultants, you'll create scalable cloud-native data solutions that support advanced analytics, AI/ML capabilities and operational intelligence systems.
This is an opportunity to work on technically challenging projects where you'll influence architecture, engineering approaches and the delivery of high-impact data capabilities.
What You'll Be Doing
Designing and developing modern data platforms and pipelines
Building scalable batch and streaming data solutions
Creating data lakes and cloud-native data architectures
Ingesting, transforming and integrating data from multiple sources
Supporting analytics, AI and machine learning workloads
Implementing Dev Sec Ops  and Infrastructure as Code practices
Optimising performance, reliability and scalability across data services
Working closely with clients and multidisciplinary teams to solve complex data challenges
What We're Looking For
Commercial experience delivering Data Engineering solutions
Strong Python and SQL skills, with experience of Java or Scala beneficial
Experience building large-scale ETL/ELT and data processing pipelines
Hands-on experience with Apache Spark and distributed data processing technologies
Experience designing and operating cloud-native data platforms, particularly within AWS
Familiarity with Docker, Kubernetes and CI/CD delivery practices
Understanding of data lake, data warehouse and modern analytics architectures
Ability to work directly with stakeholders and translate business requirements into scalable technical solutions

Desirable Experience
AWS Data Services (Glue, EMR, Lambda, S3, Athena, Redshift)
Streaming technologies such as Kafka or Kinesis
Data modelling and metadata management
AI/ML data pipelines and feature engineering
Geospatial, sensor, operational or intelligence-related datasets
Experience working within Defence, National Security, Government or other regulated sectors
Why Join Envitia?
Work on meaningful projects that support the UK's Defence and National…