Linux Administrator

Yochana IT Solutions Inc.; Jacksonville (FL); On-site; USD 85,000 - 110,000; Full time

Job summary

Yochana IT Solutions Inc. is seeking a skilled Unix/Linux Administrator to install, configure, maintain, and support Unix/Linux server environments, ensuring system availability, performance, security, and reliability for business-critical applications.

The role requires strong knowledge of Linux/Unix administration, experience with multiple distributions, shell scripting, and familiarity with monitoring, backup, and DR procedures; collaboration with cross-functional teams is essential.

Qualifications

• Bachelor’s degree in computer science, IT, or related field.
• 8+ years of Unix/Linux administration experience.
• Experience with RHEL, CentOS, Ubuntu, SUSE, AIX, or Solaris.
• Strong shell scripting (Bash/KSH).
• Experience with backup tools and disaster recovery.
• Knowledge of TCP/IP, DNS, DHCP, NTP.
• Familiarity with monitoring tools (Nagios, Zabbix, Splunk, Prometheus, Grafana).
• Security hardening and compliance familiarity.
• Experience with virtualization (VMware/Hyper-V/KVM).
• Cloud basics with AWS, Azure, GCP are a plus.

Responsibilities

• Install, configure, and maintain Linux/Unix OS environments.
• Perform server administration, patching, upgrades, and troubleshooting.
• Monitor performance, availability, and capacity planning.
• Manage users, permissions, file systems, and security policies.
• Configure DNS, NFS, FTP, SSH, LDAP, and other services.
• Implement backup, recovery, and DR procedures.
• Automate tasks with Shell scripting (Bash/KSH/Python).
• Manage storage, LVM, RAID, and virtualization platforms.
• Troubleshoot hardware, OS, network, and app issues.
• Support production, development, and testing environments.
• Perform vulnerability remediation and security hardening.
• Prepare system documentation and SOPs.
• Collaborate with app, DB, network, and cloud teams.

Skills

Linux/Unix Administration

RHEL

Shell scripting

Networking concepts

Monitoring tools

Security hardening

Backup and disaster recovery

Virtualization (VMware/Hyper-V/KVM)

Cloud basics (AWS/Azure/GCP)

Automation (Ansible/Puppet/Chef/Terraf

Docker/Kubernetes

Education

Bachelor’s degree in CS/IT or related field

8+ years Unix/Linux administration

Certifications preferred

Tools

Nagios

Zabbix

Splunk

Prometheus

Grafana

VMware

Hyper-V

KVM

Docker

Kubernetes

AWS

Azure

GCP

Job description

Type- FTE

Job Summary: We are seeking a skilled Unix/Linux Administrator to install, configure, maintain, and support Unix/Linux server environments. The ideal candidate will be responsible for ensuring system availability, performance, security, and reliability while providing operational support for business-critical applications.

Key Responsibilities

• Install, configure, and maintain Linux/Unix operating systems (RHEL, CentOS, Ubuntu, SUSE, AIX, Solaris).
• Perform server administration, patching, upgrades, and troubleshooting.
• Monitor system performance, availability, and capacity planning.
• Manage user accounts, permissions, file systems, and security policies.
• Configure and maintain DNS, NFS, FTP, SSH, LDAP, and other infrastructure services.
• Implement backup, recovery, and disaster recovery procedures.
• Automate administrative tasks using Shell scripting (Bash, Korn Shell, Python).
• Manage storage, LVM, RAID, and server virtualization platforms.
• Troubleshoot hardware, OS, network, and application-related issues.
• Support production, development, and testing environments.
• Perform vulnerability remediation and security hardening.
• Prepare system documentation, SOPs, and operational reports.
• Work closely with application, database, network, and cloud teams.

Required Skills

• Strong knowledge of Linux/Unix Administration.
• Experience with RHEL, CentOS, Ubuntu, SUSE, AIX, or Solaris.
• Hands-on experience in Shell scripting (Bash/KSH).
• Knowledge of server performance tuning and troubleshooting.
• Experience with backup tools and disaster recovery.
• Familiarity with networking concepts (TCP/IP, DNS, DHCP, NTP).
• Experience with monitoring tools such as Nagios, Zabbix, Splunk, Prometheus, or Grafana.
• Knowledge of security hardening and compliance standards.
• Experience with virtualization technologies (VMware, Hyper-V, KVM).
• Basic understanding of cloud platforms (AWS, Azure, GCP).

Preferred Skills

• Automation using Ansible, Puppet, Chef, or Terraform.
• Knowledge of Docker and Kubernetes.
• Experience with DevOps and CI/CD tools.
• Linux certifications such as RHCSA, RHCE, or LPIC.

Education & Experience

• Bachelor’s degree in computer science, Information Technology, or related field.
• 8+ years of experience in Unix and Linux Administration.
• Relevant certifications are preferred.
• Strong troubleshooting and analytical skills.
• Excellent communication and teamwork.
• Ability to work in a 24x7 support environment.
• Ability to handle critical incidents and escalations.
• Design, test and certify patching solutions, patch catalogues and platform enhancements.
• Support OS patch engineering, patch tooling integration and automation capabilities across infrastructure platforms.
• Validate, test and release patches to meet production, compliance and operational requirements.