Senior Unix/Linux Systems Administrator (24x7 Operations)

Sira Consulting, an Inc 5000 company; Jacksonville (FL); Sur place; USD 85 000 - 125 000; Plein temps

Résumé du poste

Sira Consulting in Jacksonville, FL seeks a skilled Unix Administrator to install, configure, and maintain Linux/Unix server environments, ensuring availability, performance, security, and reliability for business-critical applications.

You will manage OS installations (RHEL, CentOS, Ubuntu, SUSE, AIX, Solaris), perform patching and upgrades, monitor performance, implement backup and DR procedures, and automate tasks with shell scripting.

Qualifications

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

Responsabilités

• 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.

Connaissances

Linux Admin

Shell scripting

Perf tuning

Backup & DR

Networking TCP/IP

Monitoring tools

Security hardening

Virtualization

Cloud platforms

Automation tools

Docker/Kubernetes

Formation

Bachelor's degree in CS/IT

Certs preferred

Outils

Nagios

Zabbix

Splunk

Prometheus

Grafana

VMware

Hyper-V

KVM

AWS

Azure

GCP

Ansible

Puppet

Chef

Terraform

Docker

Kubernetes

Description du poste

Sira Consulting in Jacksonville, FL seeks a skilled Unix Administrator to install, configure, and maintain Linux/Unix server environments, ensuring availability, performance, security, and reliability for business-critical applications.

You will manage OS installations (RHEL, CentOS, Ubuntu, SUSE, AIX, Solaris), perform patching and upgrades, monitor performance, implement backup and DR procedures, and automate tasks with shell scripting.