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HCLTech Linkedin · Posted 15d ago

Senior Linux Administrator with Ansible

Romania

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Indexed description

We are seeking a highly skilled Senior Linux & Ansible Automation Engineer to join our Infrastructure Engineering team. In this role, you will be responsible for designing, automating, securing, and maintaining large-scale Linux environments while driving infrastructure standardization and operational excellence through automation.

You will serve as a technical expert for Linux systems and Ansible automation, partnering with infrastructure, security, and engineering teams to build reliable, scalable, and secure enterprise platforms.


Key Responsibilities

  • Design, implement, and manage enterprise Linux infrastructure across multiple environments.
  • Build and maintain secure, scalable, and highly available Linux platforms.
  • Automate infrastructure provisioning, configuration management, patching, and deployments using Ansible.
  • Develop, maintain, and optimize modular, reusable Ansible playbooks and role-based architectures.
  • Configure and manage Linux systems including RHEL, CentOS, Ubuntu, and SUSE.
  • Perform advanced troubleshooting and root cause analysis for complex infrastructure issues.
  • Implement system hardening and security best practices.
  • Manage filesystems, LVM, RAID configurations, networking, and boot processes.
  • Collaborate with engineering teams to improve operational efficiency through automation and Infrastructure as Code.
  • Create and maintain technical documentation, standards, and operational procedures.
  • Support platform scalability, reliability, and performance optimization initiatives.


Required Qualifications

  • 10+ years of hands-on Linux administration experience.
  • 5+ years of advanced Ansible automation experience.
  • Deep understanding of Linux internals, including:
  • Process management
  • Memory management
  • Storage architecture
  • Kernel concepts
  • System performance tuning
  • Expertise with:
  • RHEL/CentOS
  • Ubuntu
  • SUSE Linux
  • Strong experience in:
  • Linux security hardening
  • System configuration management
  • Enterprise troubleshooting
  • Networking and infrastructure services
  • Hands-on experience managing:
  • Filesystems
  • LVM
  • RAID
  • Network services
  • Boot loaders
  • Advanced Ansible skills:
  • Playbook development
  • Role creation
  • YAML
  • Jinja2 templating
  • Inventory management
  • Experience automating:
  • Infrastructure provisioning
  • Configuration management
  • Patching
  • Application deployments


Preferred Qualifications

  • Experience with Ansible Automation Platform (AAP) or AWX.
  • Experience developing custom Ansible modules, plugins, or filters.
  • Red Hat certifications (RHCSA, RHCE, RHCA).
  • Experience with Git, CI/CD pipelines, and Infrastructure as Code practices.
  • Exposure to cloud platforms such as AWS, Azure, or GCP.
  • Knowledge of container technologies and Kubernetes/OpenShift environments.



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