Data Engineer ( DV Cleared )

JR United Kingdom; Stevenage; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading defence client in Bristol is looking for three experienced Data Engineers to work on high-security projects. This contract role offers the opportunity to design complex data pipelines and ensure data security in mission-critical environments. Candidates must hold UK DV Clearance and have a strong background in data engineering.

Qualifications

• 3+ years’ experience as a Data Engineer in secure environments.
• Proven expertise with Elastic Stack (Elasticsearch, Logstash, Kibana).
• Solid experience with Apache NiFi.

Responsibilities

• Design, develop, and manage complex, large-scale data pipelines.
• Monitor and troubleshoot real-time data pipelines for performance.
• Collaborate with cross-functional teams on technical requirements.

Skills

Data Engineering

Data Security

Python

Apache NiFi

Elastic Stack

Tools

Docker

Kubernetes

Cloud Platforms

Apache Kafka

Terraform

Job description

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Contract Data Engineers (x3) – Defence Sector – Bristol

Outside IR35 | DV Clearance Required

Location: Bristol (Onsite/Hybrid) | Contract Duration: 6-12 months+

We are recruiting three experienced Data Engineers for a leading defence client in Bristol.

This is a contract opportunity operating outside IR35, offering a chance to work in a high-security, mission-critical environment. You must already hold UK DV Clearance,

Key Responsibilities:

• Design, develop, and manage complex, large-scale data pipelines in secure or regulated environments
• Ingest, process, index, and visualise data using the Elastic Stack (Elasticsearch, Logstash, Kibana)
• Build and maintain robust data flows with Apache NiFi
• Implement best practices for handling sensitive data, including encryption, anonymisation, and access control
• Monitor and troubleshoot real-time data pipelines to ensure high performance and reliability
• Write efficient, secure scripts and code using Python, Bash, or similar languages
• Collaborate with cross-functional teams to meet technical and operational requirements

Essential Skills and Experience:

• 3+ years’ experience as a Data Engineer in secure, regulated, or mission-critical environments
• Proven expertise with the Elastic Stack (Elasticsearch, Logstash, Kibana)
• Solid experience with Apache NiFi
• Strong understanding of data security, governance, and compliance requirements
• Working knowledge of cloud platforms (AWS, Azure, or GCP), particularly in secure deployments
• Experience using Infrastructure as Code tools
• Excellent communication and stakeholder management skills
• Detail-oriented with a strong focus on data accuracy, quality, and reliability

Desirable (Nice to Have):

• Background in defence, government, or highly regulated sectors
• Familiarity with Apache Kafka, Spark, or Hadoop
• Experience with Docker and Kubernetes
• Use of monitoring/alerting tools such as Prometheus, Grafana, or ELK
• Understanding of machine learning algorithms and data science workflows
• Proven ability to deliver end-to-end data solutions
• Knowledge of Terraform, Ansible, or similar IaC tools

Interested?

If you're ready to work on cutting-edge data engineering projects that make a difference, get in touch to learn more.