Note: The job is a remote job and is open to candidates in USA. CloudIQ Technologies provides cloud management, infrastructure migration, application modernization, and data analytics engineering services across major cloud platforms. The company is seeking an experienced Linux Systems Administrator to lead the migration of legacy RHEL 6.x workloads to modern enterprise Linux platforms, while automating provisioning and configuration management with Ansible and Puppet. The role also covers Linux administration, troubleshooting, scripting, security hardening, collaboration, and technical documentation.
Responsibilities
- Migration Execution: Lead the technical hands-on execution of migrating OS workloads from RHEL 6.x to newer platforms, utilizing both in-place upgrades (where applicable) and clean-rebuild/migration strategies
- Automation & Configuration Management:
- Develop, test, and maintain robust Ansible playbooks/roles and Puppet manifests to automate server deployments, patching, and configuration drift correction
- Integrate configuration management into existing CI/CD pipelines or deployment workflows
- System Administration: Provide daily administration, troubleshooting, performance tuning, and capacity planning for our enterprise Linux landscape
- Scripting & Tooling: Write and maintain robust scripts (Bash, Python, or Ruby) to facilitate data migration, backup validation, and system integration
- Collaboration & Support: Partner closely with application development, security, database, and QA teams to troubleshoot migration-related issues (e.g., library dependencies, systemd transitions, network changes)
- Documentation: Create clear, comprehensive documentation including migration guides, architecture diagrams, runbooks, and automation playbooks
Skills
- • Professional Linux Expertise: 5+ years of dedicated experience administering Red Hat Enterprise Linux (RHEL) or equivalent distributions (CentOS, Rocky Linux, AlmaLinux) in a medium-to-large scale enterprise environment
- • Legacy RHEL Knowledge: Strong familiarity with RHEL 6.x architecture, including SysVinit, legacy network configurations, older package managers (yum), and Python 2 legacy environments
- • Modern RHEL Knowledge: Deep understanding of modern RHEL architectures (RHEL 8/9), including systemd, firewalld, AppStream, advanced storage management, and modern security protocols
- • Proficient in Ansible (writing playbooks, roles, utilizing Galaxy, managing variables, and vault encryption)
- • Proficient in Puppet (writing manifests, modules, understanding hiera, and maintaining a Puppet agent/server architecture)
- • Scripting: Strong scripting skills in Bash and either Python or Ruby to support migration automation
- • Storage & Networking: Strong understanding of LVM (Logical Volume Manager), file systems (ext4, XFS), NFS, SAN/NAS, and core networking concepts (TCP/IP, DNS, DHCP, VLANs, routing)
- • Problem Solving: Excellent analytical and troubleshooting skills, with the ability to diagnose complex application-to-OS compatibility issues
- • Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) is highly preferred
- • Experience migrating workloads across VMware ESXi, Nutanix, or public cloud platforms (AWS, Azure, GCP)
- • Experience with Docker, Podman, or Kubernetes/OpenShift
- • Proficiency with Git and Git-based collaborative workflows (GitLab, GitHub, Bitbucket)
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