DV Cleared Java Engineer - Outside IR35 - Cheltenham/London

  • London


DV Cleared Java Engineer - Outside IR35 - Cheltenham/London


Outside IR35

6 Months

Must have DV Clearance

5 days on-site in Cheltenham or London

Our client are looking for DV Cleared Java Engineers to support an on-site team working tasked with the development-improvement and reliability of core applications for a defence client.

  • Problem diagnosis and debugging:

    • Interpret dashboards and system logging to diagnose complex problems as the system is integrated with external data-feeds.
    • Analyse received data using tools such as Wireshark to debug system operation.
    • Create representative XML data to reproduce error scenarios.
    • Write and update & run Java E2E and performance tests to ensure optimal system performance.

    Support and troubleshooting:

    • Work closely with development teams to ensure smooth integration of new releases into production environments.
    • Provide detailed descriptions of any failure scenarios to allow the remote development team to reproduce the problem and provide a fix.
    • Root cause analysis and proactive problem solving. The team is empowered to deploy changes in response to arising requirements.

    Verification & Monitoring:

    • Work with platform team to manage OpenShift system resources and networking to determine and resolve bottlenecks or networking issues.
    • Track performance and availability metrics from deployed services with Influx and Grafana.
    • Configure automated alerts to trap problems before they become incidents.
    • Review application logs and respond to changes in system behaviour as they arise.

    Build and Deploy code from multiple project teams:

    • Maintenance and administration of a CI pipeline building artefacts using Java & Maven.
    • Configuration and execution of component and service acceptance test suites using Maven.
    • Deployment and configuration of tested services using Terraform and Ansible. Target platforms include OpenShift, RHEL/CentOS and Docker.
    • Configuration and deployment of third-party appliances and software services.

    Business-as-usual maintenance:

    • Use of automation tools and techniques to reduce toil.
    • PostgreSQL Database housekeeping.
    • OS level health checks and patching.
    • Generate and Manage system SSL certificates.

    Key skills

    • Experience with Java Spring Boot micro-service development.
    • Experience with OpenShift or Kubernetes.
    • Experience with asynchronous messaging platforms such as AMQP.
    • Experience with infrastructure-as-code tools: Terraform/Ansible.
    • Experience with S3 object storage tools and techniques.
    • Experience with RDBMS platforms: Oracle or similar.
    • Knowledge of XML / XSD.
    • Critical thinker with the ability reason about problems, test hypothesis and make appropriate risk decisions.
    • Effective communication and interpersonal skills.
    • Quick prioritisation of tasks and the ability to adapt to changing priorities during incident response scenarios.
    • Experience with git version control.

    Desirable skills

    • Experience with Atlassian Tools including Bamboo.
    • Experience with infrastructure-as-code tools: Terraform/Ansible/Ansible Vault.
    • Understanding of docker and containerisation.


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