Linux System Administrator
- Data Software Research
- 4 - 6 years
- Chennai
- 18 days ago
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Job Description
DSRC provides competitive compensation that is revised purely on performance , flexible work hours & friendly work environment . At DSRC you will have opportunity not only to learn but also explore your area of interest with respect to technology and also effectively use the skills acquired over few years of IT experience.
Experience: 4 to 6 years Requirement: Linux System Administrator Working from home will be available on an optional basis.
Key Responsibilities
Linux System Administration - Install, configure, manage and maintain Linux servers (Ubuntu, RHEL, CentOS, or similar) in production and staging environments.
- Perform server migrations, system upgrades, patches, and kernel tuning.
- Troubleshoot performance issues and resolve system-related incidents.
- Manage user accounts, permissions, and access control mechanisms in Linux environments.
- Deploy, Manage and maintain virtualization infrastructure such as VMware, Hyper-V etc.
- Perform capacity planning, resource allocation, and performance tuning for virtual machines and containers.
- Build, deploy, and orchestrate containerized applications using Docker and Kubernetes. Ensure seamless orchestration and scaling of container workloads in production environments.
- Design scalable container infrastructure with Helm charts, namespaces, and network policies.
Networking Expertise
- Configure and manage networking services and protocols including TCP/IP, SSH, HTTP/HTTPS, FTP, NFS, SMB, DNS, DHCP, VPN.
- Configure and manage firewalls and routing. Troubleshoot network-related issues impacting Linux systems and virtual environments.
- Diagnose and resolve network connectivity issues and implement firewall rules and NAT.
- Implement robust security measures including OS hardening, patch monitoring and management, firewall configuration, intrusion detection/prevention, and compliance adherence. Conduct regular security audits and vulnerability assessments.
- Harden operating systems using industry best practices (CIS benchmarks, SELinux, AppArmor).
- Implement and manage security tools like Fail2Ban, auditd, and antivirus solutions.
- Conduct regular vulnerability assessments and ensure system compliance.
- Develop and maintain automation scripts using Bash, Python, Ansible, Perl or similar tools to automate system installations, configuration, monitoring, provisioning virtual machines with required software and reporting.
- Streamline operational workflows through scripting and configuration management tools.
- Develop and maintain deployment pipelines for system provisioning and software rollouts.
- Design, implement, and test backup and disaster recovery strategies to ensure data integrity, high availability and business continuity.
- Setup, Deploy and manage monitoring tools to track system and application performance. Analyze metrics and optimize resource utilization.
- Monitor and troubleshoot issues related to hardware, software, network protocols, and storage systems in multi-layered environments.
- Proactively monitor infrastructure health and implement solutions to ensure system reliability and uptime.
- Collaborate with cross-functional teams to assess system capacity, conduct performance tuning, and support application scalability.
- Provide technical support and root cause analysis for system-related incidents.
Required Skills and Qualifications
- 4 years of professional experience in Linux system administration.
- Strong proficiency with multiple Linux distributions (Ubuntu, RHEL, CentOS etc.).
- Extensive experience with virtualization technologies (VMware, KVM, libvirt, QEMU etc).
- Proven expertise with container technologies: Docker and Kubernetes.
- Solid understanding of file systems, storage environments, and network protocols
(TCP/IP, SSH, HTTP/HTTPS, FTP, DNS, DHCP, VPN).
- Solid experience in Linux security best practices, OS hardening, and compliance.
- Hands-on scripting experience with Shell scripting or Python; experience with automation tools like Ansible or Puppet.
- Familiarity with system monitoring and logging tools like ELK Stack, Fluentd, Graylog etc.
- Experience in configuring monitoring tools like Nagios, Prometheus, Grafana, Zabbix etc.
- Experience in system documentation, providing technical support to users, and collaborating with IT teams to improve infrastructure and processes.
- Knowledge of cloud platforms (AWS, Azure, GCP) is a plus.
- Experience in database tuning and capacity planning is a plus.
- Self-motivated, organized, and capable of managing multiple priorities simultaneously.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Hardware & NetworksRole Category: IT NetworkRole: System Administrator / EngineerEmployement Type: Full timeContact Details:
Company: Data Software ResearchLocation(s): Chennai+ View Contact
Keyskills: VMware Performance tuning Linux Configuration management Shell scripting DNS Perl HTTP Technical support Python
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