Linux Systems Administrator

NorthBay Solutions LLC; Karachi Division; On-site; PKR 500,000 - 750,000; Full time

Job summary

NorthBay Solutions LLC is seeking a skilled Linux Administrator to manage and optimize Linux-based infrastructure across our enterprise environments. The candidate will install, configure, secure, monitor, and troubleshoot Linux servers, ensuring high availability and performance.

The role emphasizes security hardening, automation (Ansible, Bash, Python), configuration management, and collaboration with Network, Security, and DevOps teams to support reliable operations.

Qualifications

• Hands-on Linux administration experience in production environments.
• Experience with security hardening and vulnerability remediation.
• Proficient in Bash/Shell scripting.
• Experience with automation (Ansible) and configuration management.
• Strong monitoring and troubleshooting skills.
• Experience with containerization (Docker/Podman) and orchestration (Kubernetes) is a plus.

Responsibilities

• Install, configure, maintain, and troubleshoot Linux servers.
• Provision, patch, upgrades, and configuration management.
• Apply security hardening per policies and best practices.
• Manage users, groups, permissions, SSH, and services.
• Monitor health, availability, and performance.
• Troubleshoot OS, networking, storage, and system issues.
• Automate tasks with Bash, Python, Ansible, or similar.
• Manage packages, repositories, updates, dependencies, and services.
• Analyze logs and metrics to identify issues.
• Implement backup, recovery, and DR procedures.
• Document configurations and procedures.
• Collaborate with Network, Security, DevOps, and Applications teams.
• Participate in incident management and root cause analysis.

Skills

Linux administration

Bash/Shell scripting

Automation

Ansible

Networking basics

System monitoring

Troubleshooting

Security hardening

Python scripting

Docker/Podman

Kubernetes

Git/CI/CD

Cloud platforms

Vulnerability management

Infrastructure as Code

Education

Bachelor's degree in CS/IT/Cybersecurity

RHCSA/RHCE or equivalent

Tools

Ansible

Docker

Kubernetes

Prometheus

Grafana

Zabbix

Nagios

Git

Job description

Location

Pakistan: Lahore, Karachi, Islamabad

Job Type

Full Time

Experience

2 to 5 years of relevant experience

Job Summary

We are looking for a skilled Linux Administrator to manage, maintain, secure, and optimize Linux based infrastructure. The ideal candidate will have hands on experience in Linux installation and configuration, security hardening, automation, performance monitoring, and troubleshooting.

The successful candidate will be responsible for ensuring the availability, reliability, security, and performance of Linux servers and infrastructure.

Key Responsibilities

• Install, configure, maintain, and troubleshoot Linux servers and operating systems.
• Perform server provisioning, patching, upgrades, and configuration management.
• Implement Linux security hardening in accordance with security policies and industry best practices.
• Manage users, groups, permissions, sudo access, SSH, and system services.
• Monitor system health, availability, resource utilization, and performance.
• Troubleshoot Linux operating system, networking, storage, and system related issues.
• Automate routine administrative tasks using Bash, Shell scripting, Python, Ansible, or similar tools.
• Manage packages, repositories, system updates, dependencies, and services.
• Analyze system logs and performance metrics to identify and resolve issues.
• Implement and maintain backup, recovery, and disaster recovery procedures.
• Maintain technical documentation, configurations, and operational procedures.
• Collaborate with Network, Security, DevOps, and Application teams to support enterprise infrastructure.
• Participate in incident management, root cause analysis, and preventive maintenance.

Required Skills

• Hands on experience with Linux administration, preferably RHEL, Rocky Linux, AlmaLinux, Ubuntu, or CentOS.
• Strong understanding of Linux system architecture and administration.
• Experience with Linux security hardening and vulnerability remediation.
• Good knowledge of TCP/IP, DNS, DHCP, SSH, HTTP/HTTPS, and NTP.
• Proficiency in Bash and Shell scripting.
• Experience with Ansible or other automation tools.
• Knowledge of Linux performance monitoring and troubleshooting.
• Experience analyzing CPU, memory, disk, I/O, and network performance.
• Good understanding of Linux file systems, storage, LVM, and permissions.
• Strong troubleshooting and analytical skills.

Preferred Skills

• Python scripting and automation.
• Docker, Podman, and containerized environments.
• Kubernetes administration.
• Monitoring tools such as Prometheus, Grafana, Zabbix, or Nagios.
• Git and CI/CD environments.
• Cloud platforms such as AWS, Azure, or Google Cloud.
• Vulnerability management and security tools.
• Infrastructure as Code and configuration management practices.

Education and Certifications

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field, or equivalent practical experience.
• RHCSA, RHCE, or other relevant Linux certifications will be an advantage.

Key Competencies

• Strong problem solving and troubleshooting skills.
• Security focused mindset.
• Good communication and documentation skills.
• Ability to work independently and collaboratively.
• Strong attention to detail.
• Ability to work in a fast paced production environment.
• Willingness to participate in on call or after hours support when required.

Core Areas

Linux Administration | Installation and Configuration | Security Hardening | Automation | Performance Monitoring | Troubleshooting | System Reliability