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DevOps/System Administrators

icon building Company : Sabenza It
icon briefcase Job Type : Full Time

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Job Description - DevOps/System Administrators

Role Overview

We are seeking experienced DevOps / System Administrators to support enterprise infrastructure, application server environments, and CI/CD pipelines within a fast -paced, production -critical environment. The role focuses on Linux administration, JBoss management, infrastructure automation, and deployment orchestration using modern DevOps tooling.

Key Responsibilities

Infrastructure Management

  • Perform advanced Linux system administration (RHEL/CentOS/Ubuntu or equivalent enterprise distributions)
  • Install, configure, and maintain JBoss / WildFly application servers
  • Perform JBoss tuning and performance optimisation
  • Monitor server health, troubleshoot incidents, and ensure high availability of systems
  • Manage patching, upgrades, and system security hardening
  • Support production environments with incident and problem resolution

Automation & Configuration Management

  • Implement infrastructure automation using Chef
  • Develop and maintain Chef cookbooks and recipes
  • Ensure consistent configuration across development, testing, and production environments
  • Drive infrastructure standardisation and reduce manual operational effort

CI/CD Pipeline Management

  • Build and maintain CI/CD pipelines using Atlassian Bamboo
  • Manage source control and branching strategies using Bitbucket (Git -based workflows)
  • Automate build, test, and deployment processes across multiple environments
  • Support release management and deployment activities
  • Improve deployment reliability through automation and pipeline optimisation


Requirements

Technical Requirements

  • Strong experience in Linux administration (enterprise environments)
  • Hands -on experience with JBoss / WildFly administration and tuning
  • Proven expertise in Chef configuration management
  • Strong working knowledge of Bamboo CI/CD pipelines
  • Experience with Bitbucket / Git version control systems
  • Scripting experience (Bash / Shell / Python advantageous)
  • Understanding of system monitoring, logging, and alerting tools
  • Knowledge of networking, security, and infrastructure best practices

Key Competencies

  • Strong troubleshooting and analytical skills
  • Ability to work under pressure in production environments
  • High attention to detail and operational discipline
  • Strong collaboration with development, QA, and infrastructure teams
  • Proactive approach to automation and continuous improvement
  • Good documentation and communication skills

Preferred Experience

  • Experience in enterprise -scale or financial services environments
  • Exposure to cloud platforms (AWS / Azure / GCP advantageous)
  • Experience supporting microservices -based architectures
  • Strong production support and release engineering background

Deliverables / Expected Outcomes

  • Stable, secure, and optimised Linux and JBoss environments
  • Automated infrastructure provisioning and configuration management
  • Reliable and efficient CI/CD pipelines
  • Reduced deployment failures and faster release cycles
  • Improved system observability and incident response performance







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