Linux And Infrastructure Administrator

TASDEEQ; Lahore; On-site; PKR 1,800,000 - 3,000,000; Full time

Job summary

TASDEEQ is seeking a Senior Linux & Infrastructure Administrator to own admin, monitoring, troubleshooting and DR for enterprise servers, focusing on RHEL Linux, Nginx, VMware, and storage.

You will manage security, backups, SAN storage, and automation, with strong scripting and incident response skills, collaborating with virtualization and storage teams.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• 3–5 years of hands-on Linux system administration experience.
• Strong practical experience with RHEL production environments and Nginx.

Responsibilities

• Administer and troubleshoot production RHEL Linux servers.
• Configure and manage Nginx load balancers on RHEL VMs.
• Administer VMware ESXi/vSphere environments and virtual machines.
• Manage Dell SAN/storage, LUNs, datastores, and storage provisioning.
• Perform Linux security hardening and vulnerability remediation.
• Configure SELinux and firewalld; monitor and troubleshoot incidents.
• Participate in DR planning, testing, and recovery activities.
• Automate routine administration tasks and monitor health.

Skills

Bash/Shell scripting

Monitoring

Incident response

Automation basics

Education

Bachelor's degree in Computer Science, IT, or related field

Tools

Nginx

VMware ESXi/vSphere

SAN/Storage

LVM

SELinux

Firewalld

SSHD/SFTP

SSL/TLS

Job description

Job Description:

Job Purpose

The Senior Linux & Infrastructure Administrator will be responsible for the administration, monitoring, troubleshooting, and operational support of Tasdeeq's enterprise server and infrastructure environment, with a primary focus on RHEL Linux, Nginx Load Balancers, VMware virtualization, enterprise storage, backup, and DR.

Core Environment

• RHEL Linux production servers
• Nginx Load Balancers running on RHEL VMs
• VMware ESXi / vSphere
• Dell enterprise SAN/storage
• Windows & Linux server infrastructure
• Network and security infrastructure
• Production and DR environments

Key Responsibilities

RHEL / Linux Administration

• Administer and troubleshoot production RHEL Linux servers
• Perform OS installation, configuration, patching, and upgrades
• Manage users, groups, permissions, sudo, and SSH/SFTP
• Troubleshoot CPU, memory, disk, filesystem, boot, and application issues
• Manage packages using RPM/YUM/DNF
• Analyze system logs using journalctl and /var/log
• Manage LVM, partitions, filesystems, and mount points
• Perform filesystem expansion and storage troubleshooting
• Configure and troubleshoot SELinux and firewalld
• Perform Linux security hardening and vulnerability remediation

Nginx Load Balancer — Mandatory

• Administer Nginx Load Balancers running on RHEL VMs
• Configure upstream servers, backend pools, and virtual hosts
• Configure HTTP/HTTPS load balancing
• Manage SSL/TLS certificates
• Generate CSRs and install/renew certificates
• Troubleshoot certificate-chain and TLS handshake issues
• Configure health checks and backend failover
• Troubleshoot 502, 503, 504, and other Nginx errors
• Analyze Nginx access and error logs
• Perform configuration changes and controlled reloads
• Troubleshoot connectivity between Nginx, backend servers, network, and firewall

VMware ESXi / vSphere

• Administer and troubleshoot Linux VMs running on VMware ESXi/vSphere
• Create and configure virtual machines
• Manage VM CPU, memory, disk, and network resources
• Troubleshoot VM performance and connectivity issues
• Understand VMware datastores and virtual disk provisioning
• Coordinate with the virtualization team for ESXi-related issues

Dell SAN / Enterprise Storage

• Support Dell enterprise SAN/storage infrastructure
• Understand LUNs, datastores, RAID, multipathing, and storage provisioning
• Troubleshoot Linux/VMware storage connectivity
• Coordinate storage allocation and expansion
• Monitor storage capacity and identify performance issues

Backup & Disaster Recovery

• Support Linux server backup and restoration
• Troubleshoot backup failures
• Participate in DR planning, testing, and recovery activities
• Maintain server and service recovery documentation

Automation & Monitoring

• Strong Bash/Shell scripting skills
• Automate routine Linux administration and monitoring activities
• Basic Ansible knowledge is preferred
• Monitor server, service, and infrastructure health
• Participate in incident response and root-cause analysis

Mandatory Technical Skills

RHEL | Linux Administration | Nginx | SSL/TLS | LVM | Bash/Shell | SSH/SFTP | SELinux | Firewalld | VMware ESXi/vSphere | SAN/Storage | Troubleshooting

Preferred Certifications

• RHCSA — Preferred
• RHCE — Highly Preferred
• VMware certification — Advantage
• Relevant Linux/Cloud certifications — Advantage

Education & Experience

• Bachelor's degree in Computer Science, IT, or a related field
• 3–5 years of hands‑on Linux System Administration experience
• Strong practical experience with RHEL production environments
• Demonstrable experience with Nginx and enterprise infrastructure
• Experience with VMware and enterprise storage highly preferred