Simple Logic

3 weeks ago

Navi Mumbai, India Simple Logic IT Pvt. Ltd Full time

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 :- Monitor 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.Automation & Scripting :- 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.Security & Compliance :- 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.Networking & Troubleshooting :- 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.Collaboration & Support :- 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.Required Skills & Qualifications :- 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.Preferred Skills :- 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.Key Attributes :- 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 (ref:hirist.tech)

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