Senior Linux Administrator

System Soft Technologies; Montgomery (AL); On-site; USD 110,000 - 150,000; Full time

Job summary

System Soft Technologies is seeking a Senior Linux Administrator to support critical client environments in Alabama. The role requires deep Linux expertise, with emphasis on Ubuntu Server LTS, Azure-based Linux VMs, and DevOps practices including CI/CD pipelines.

Candidates should be proficient with Docker on Linux, SSH hardening, and system security controls, including AppArmor and SSL/TLS management. The ideal candidate will have extensive Bash scripting and PowerShell skills for

Qualifications

• 8+ years of hands-on Linux administration in enterprise or government environments.
• Deep expertise in Ubuntu Server LTS releases.
• Working knowledge of Azure for Linux VMs, networking, managed identity, and Key Vault integration.
• Experience with Azure DevOps pipelines, repositories, and CI/CD workflows for Linux systems.
• Experience with Docker on Linux and container secrets management outside managed clusters.
• Advanced Bash scripting and PowerShell for cross-platform automation.
• Understanding of UFW, SSH hardening, AppArmor, and SSL/TLS certificate management.
• Proficiency with systemd, kernel tuning via /etc/sysctl.conf, PAM, auditd, and log rotation.
• Preferred: Canonical/Ubuntu certifications, CISSP, or CompTIA Security+. AZ-900/AZ-104 preferred.
• Healthcare or public sector experience incl. state agency IT, MARS-E, HIPAA safeguards, or CMS security requirements.
• Experience supporting development infrastructure with fast-changing workload requirements.

Skills

Linux administration

Ubuntu

Azure

Azure DevOps

Docker on Linux

Bash scripting

PowerShell

SSH hardening

AppArmor

SSL/TLS management

systemd

kernel tuning

PAM

auditd

log rotation

Tools

Azure DevOps

Job description

Client is seeking Senior Linux Administrator to support client at alabama.

Qualifications

8+ years of hands-on Linux administration in enterprise or government environments, with deep expertise in current Ubuntu Server LTS releases.

Working knowledge of Azure as an operating environment for Linux VMs, including networking, managed identity, and Key Vault integration.

Experience with Azure DevOps, including pipelines, repositories, and CI/CD workflows involving Linux systems.

Experience with Docker on Linux, including secrets management approaches for containers running outside of managed clusters.

Advanced Bash scripting and working PowerShell proficiency for cross-platform automation.

Understanding of UFW, SSH hardening, AppArmor, and SSL/TLS certificate management.

Proficiency with systemd, kernel tuning via /etc/sysctl.conf, PAM, auditd, and log rotation.

Preferred:

Canonical/Ubuntu certifications, CISSP, or CompTIA Security+. AZ-900 and/or AZ-104 preferred.

Healthcare or public sector experience, including state agency IT environments, MARS-E, HIPAA technical safeguards, or CMS security requirements.

Experience supporting development infrastructure with fast-changing workload requirements.