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Simple Logic - Linux Administrator - RHEL / Ubuntu
Simple Logic IT Pvt. LtdNavi Mumbai18 days ago
Job descriptionMonitor system performance, resource utilization, and health using tools such as Nagios, Zabbix, Prometheus, Grafana. Perform capacity planning and ensure high system availability. Troubleshoot performance bottlenecks, log errors, and kernel-level issues. Automate administrative tasks using Shell, Python, or Ansible scripts. Develop and maintain scripts for monitoring, backups, deployments, and system audits. Implement Infrastructure as Code (IaC) practices where applicable. Apply security hardening techniques, firewall configurations, and patch management. Manage SELinux, IPTables, and access control policies. Conduct vulnerability scans, audits, and ensure compliance with industry standards (ISO, PCI-DSS, GDPR). Implement backup and disaster recovery strategies. Configure and manage DNS, DHCP, NFS, FTP, SSH, SMTP, and VPN services. Troubleshoot network connectivity issues, firewalls, and routing. Collaborate with network teams to optimize system-to-network performance. Work closely with developers, DBAs, and application teams to support deployments. Provide L2 / L3 support for Linux-related incidents and service requests. Document system processes, architecture diagrams, and troubleshooting guidelines. Participate in on-call support and 24x7 production environment handling. Bachelors degree in Computer Science, IT, or related field. 4- 6 years of hands-on Linux system administration experience. Proficiency with Linux distributions : RHEL, CentOS, Ubuntu, SUSE. Strong scripting skills in Shell, Bash, Python. Experience with configuration management tools (Ansible, Puppet, Chef). Knowledge of virtualization (VMware, KVM, Hyper-V) and cloud platforms (AWS, Azure, GCP). Familiarity with version control systems (Git, GitHub, GitLab). Solid understanding of TCP / IP, routing, firewalls, load balancing. Experience with containerization and orchestration (Docker, Kubernetes, OpenShift). Exposure to CI / CD pipelines and DevOps practices. Familiarity with databases (MySQL, PostgreSQL, Oracle) on Linux systems. Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE). Knowledge of hybrid cloud and multi-cloud environments. Strong analytical and problem-solving skills. Ability to work independently and in cross-functional teams. Good communication and documentation skills. Passion for continuous improvement and automation
Job Description :
Key Responsibilities :
System Administration & Configuration :
- Install, configure, and maintain Linux operating systems (RHEL, CentOS, Ubuntu, SUSE).
- Manage user accounts, groups, permissions, and security policies.
- Handle system upgrades, patches, and kernel tuning to ensure stability and performance.
- Manage storage systems, file systems (ext4, XFS, NFS, SAN / NAS), and disk quotas.
Performance & Monitoring :
Automation & Scripting :
Security & Compliance :
Networking & Troubleshooting :
Collaboration & Support :
Required Skills & Qualifications :
Preferred Skills :
Key Attributes :
(ref : hirist.tech)
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Linux Administrator • Navi Mumbai
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