Data Engineer (DV Security Clearance)

CGI Group Inc.
Chippenham
20 hours ago
Create job alert
Overview

In this role, you will design, build and maintain on-premise data ingestion and processing pipelines that feed a SIEM platform used for real-time security monitoring and analytics. You'll take responsibility for ensuring critical log sources are reliably parsed, normalised and enriched, enabling high-quality data to support operational and security decision-making. Working alongside security, operations and infrastructure teams, you'll onboard new data sources, improve existing pipelines and help shape standards across the platform. You will also contribute to the long-term robustness and performance of the data platform by documenting designs, improving data flows and supporting operational teams through clear runbooks and shared knowledge.


Responsibilities

  • Design & build Logstash pipelines for ingesting data into Elasticsearch
  • Develop & manage Apache NiFi flows for routing, transformation and enrichment
  • Parse & transform diverse log formats including JSON, CEF, Syslog and Avro
  • Develop & optimise Python scripts for enrichment, automation and alerting
  • Collaborate & support security and IT teams to onboard new log sources
  • Document & maintain pipeline designs, data standards and operational runbooks

Qualifications

  • 3+ years' experience in data engineering or a related development role
  • Proven hands-on experience with Elastic SIEM (Elasticsearch, Logstash, Kibana)
  • Strong experience working with log formats such as JSON, CEF, Syslog and Avro
  • Proficiency in designing and optimising data flows in large-scale environments
  • Strong Python skills for data processing, enrichment and automation
  • Ability to prioritise work independently and contribute proactively
  • Willingness to obtain, or hold, MOD high-level security clearance

Desirable experience

  • Experience with Apache NiFi data flow design and management
  • Knowledge of containerisation tools such as Kubernetes
  • Experience scaling and tuning Elasticsearch clusters
  • Familiarity with Windows event logging and syslog collectors
  • Good understanding of Linux system administration and network protocols

About CGI

CGI descriptions focus on protecting critical systems by designing and operating data pipelines that enable real-time security insight across secure environments. The role involves on-premise data ingestion and processing solutions that underpin a SIEM platform built on the Elastic Stack. You will collaborate with security and infrastructure specialists and contribute to solving complex data capture, enrichment and analysis challenges. A note on on-site work and security clearance: this position requires UK security clearance or eligibility, and five days on site in Chippenham.


Benefits

  • Insurance coverage
  • Medical benefits
  • Pension plan
  • Member Assistant Programme
  • Check4Cancer
  • Flexible time off
  • Share Purchase Plan
  • Member discounts
  • Dental benefits
  • Vision benefits
  • Profit Participation Plan
  • Health and Wellbeing Programme


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