Linux System Administrator

ARC Document Solutions; Kolkata District; On-site; INR 700,000 - 1,000,000; Full time

Job summary

ARC Document Solutions India Private Limited in Kolkata is seeking an experienced Linux System Administrator to manage, maintain, and support a Linux-based infrastructure along with VMware vSphere operations, ensuring high availability, security, and performance.

You will install, configure, and upgrade Linux/Unix systems, perform patching and security updates, manage users and access, monitor health and performance, troubleshoot ESXi/vCenter issues, configure DNS/DHCP/SSH/FTP, implement backups

Qualifications

• Hands-on experience with Linux/Unix OS (Red Hat, CentOS, Ubuntu).
• VMware vSphere experience including ESXi and vCenter.
• Scripting skills in Bash or similar.
• Strong troubleshooting and problem-solving abilities.

Responsibilities

• Administer, monitor, and maintain Linux servers for high availability and performance.
• Install, configure, upgrade Linux/Unix systems and software.
• Perform routine maintenance, patching, and security updates.
• Manage user accounts, permissions and access controls.
• Monitor system health, performance, and troubleshoot issues.
• Troubleshoot ESXi and vCenter-related issues.
• Configure DNS, DHCP, SSH, and FTP services.
• Implement and monitor backups and disaster recovery procedures.
• Enforce security policies and firewall configurations.
• Develop shell scripts and automation tools for admin tasks.
• Collaborate with internal teams for deployment and integration.
• Maintain documentation for configurations and procedures.
• VMware provisioning, resource management, snapshots, and datastore operations.
• VM health monitoring and performance optimization.

Skills

Linux system administration

VMware vSphere

Shell scripting

Networking fundamentals

System monitoring

Troubleshooting

Backup and disaster recovery

Documentation

Linux security practices

Automation scripts

Tools

VMware ESXi

VMware vCenter

Job description

ARC Document Solutions India Private Limited

Position: Linux System Administrator

Location: Kolkata

Job Summary:

We are looking for an experienced and highly motivated Linux System Administrator to manage, maintain, and support Linux-based infrastructure along with VMware vSphere operations. The ideal candidate should possess strong expertise in Linux administration, virtualization technologies, system monitoring, troubleshooting, and infrastructure management. The role requires excellent technical, analytical, and problem-solving capabilities to ensure high system availability, security, and performance.

Key Responsibilities:

• Administer, monitor, and maintain Linux servers to ensure high availability, reliability, and optimal system performance.
• Install, configure, upgrade, and manage Linux/Unix operating systems and related software.
• Perform routine system maintenance, patch management, and security updates.
• Manage user accounts, system permissions, and access controls in line with organizational policies.
• Monitor system health, performance, and proactively troubleshoot issues.
• Troubleshoot hardware, software, network, ESXi, and vCenter-related issues.
• Configure and manage network services such as DNS, DHCP, SSH, and FTP.
• Implement and monitor backup, recovery, and disaster recovery procedures.
• Enforce system security policies, firewall configurations, and vulnerability mitigation practices.
• Develop and maintain shell scripts and automation tools for system administration tasks.
• Collaborate with internal teams for deployment, system integration, and infrastructure support activities.
• Maintain proper documentation for system configurations, procedures, and operational activities.

VMware vSphere Responsibilities:

• VM provisioning and deployment.
• CPU, memory, and disk resource allocation and expansion.
• Snapshot creation, management, and maintenance.
• Datastore management and monitoring.
• ESXi and vCenter troubleshooting and administration.
• VM health monitoring and performance optimization.

Required Skills & Qualifications:

• Strong hands-on experience with Linux/Unix operating systems such as Red Hat, CentOS, Ubuntu, etc.
• Strong knowledge of Linux system administration and server management.
• Hands-on experience with VMware vSphere environment and virtualization operations.
• Experience with VM provisioning, resource management, snapshots, and datastore operations.
• Strong troubleshooting skills in ESXi and vCenter environments.
• Proficiency in shell scripting (Bash or similar).
• Good understanding of networking fundamentals and system security practices.
• Experience with system monitoring and performance tuning tools.
• Familiarity with virtualization and cloud environments is preferred.
• Strong analytical, troubleshooting, and problem-solving skills.

Additional Requirements:

• Excellent communication and stakeholder coordination skills.
• Good organizational and time management abilities.
• Ability to work independently as well as in a team environment.
• Flexibility to work in rotational shifts.