Senior Linux & Infrastructure Administrator

TASDEEQ; Lahore; On-site; PKR 2,009,000 - 3,571,000; Full time

Job summary

TASDEEQ in Lahore, Pakistan, seeks a Senior Linux & Infrastructure Administrator to own and optimize enterprise server environments, focusing on RHEL Linux, Nginx load balancers, VMware virtualization, and storage. You will handle installation, patching, provisioning, and security hardening.

You will maintain DR, backup processes, monitor health, and participate in incident response, with strong scripting skills and experience across Linux, network, and storage domains.

Qualifications

• Bachelor's degree required in CS/IT or related field.
• 3–5 years hands-on Linux system administration.
• Experience with RHEL production environments and Nginx.
• Strong practical knowledge of VMware and storage systems.
• Security hardening and vulnerability remediation experience.

Responsibilities

• Administer and troubleshoot production RHEL Linux servers.
• Configure and manage Nginx load balancers and SSL/TLS certificates.
• Manage VMware ESXi/vSphere VMs and datastores.
• Handle Dell SAN/enterprise storage provisioning and expansion.
• Perform Linux security hardening and vulnerability remediation.
• Automate routine tasks with Bash; basic Ansible knowledge preferred.

Skills

RHEL Linux administration

Nginx

SSL/TLS

LVM

Bash scripting

SSH/SFTP

SELinux

Firewalld

VMware ESXi/vSphere

SAN/Storage

Troubleshooting

Education

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

Tools

Ansible

Nginx

VMware ESXi/vSphere

Dell SAN/Storage

Job description

• RHEL Linux production servers
• Windows & Linux server infrastructure

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