Senior Linux Systems Engineer – Azure, DevOps & Security

TPI Global Solutions; Montgomery (AL); On-site; USD 90,000 - 120,000; Full time

Job summary

TPI Global Solutions is seeking a Senior Linux System Administrator to operate, secure, and automate Linux systems across on-premises and Azure environments, including Azure Government. The role requires deep Linux expertise, Azure DevOps, Docker, and security hardening skills, with autonomous work in a small IT/security team.

On-site at Montgomery, AL, the position emphasizes patching, automation, identity management, and compliance activities, with a 12-month duration and background check

Qualifications

• 8+ years of hands-on Linux system administration in enterprise or government environments.
• Strong expertise with Ubuntu Server LTS releases and RHEL.
• Experience administering Linux VMs in Microsoft Azure.
• Knowledge of Azure networking, managed identities, and Key Vault.
• Hands-on experience with Azure DevOps, repositories, pipelines, and CI/CD.
• Experience with Docker on Linux, including container secrets management.
• Advanced Bash scripting and working knowledge of PowerShell.
• Strong knowledge of UFW, SSH hardening, AppArmor, and SSL/TLS certificates.
• Experience with systemd, /etc/sysctl.conf, PAM, auditd, and log rotation.
• Ability to work independently within a small, cross-functional IT/security team.
• Ubuntu/Canonical certifications, CISSP, or CompTIA Security+.
• AZ-900 and/or AZ-104 certification.
• Healthcare or public-sector IT experience.
• Familiarity with MARS-E, HIPAA technical safeguards, or CMS security requirements.
• Experience supporting development infrastructure with rapidly changing workloads.

Responsibilities

• Administer, configure, troubleshoot, and maintain production and non-production RHEL and Ubuntu servers and VMs.
• Perform CIS-aligned Linux security hardening and remediation.
• Work with Microsoft Defender for Cloud and Azure Policy for security posture and compliance.
• Manage Ubuntu patching using Ubuntu Pro, Livepatch, ESM, and APT.
• Develop automation using Bash and PowerShell, including Cron jobs.
• Support Azure DevOps repositories, pipelines, CI/CD workflows, and Linux deployments.
• Support Docker workloads on standalone Linux VMs.
• Integrate container workloads with Azure Key Vault and Azure Container Registry (ACR).
• Manage SSSD identity integration, sudoers governance, and PAM configuration.
• Administer LVM, XFS/EXT4 filesystems, partitions, and mounts like /var, /tmp, /var/log/audit.
• Support audit findings, auditd logging, compliance activities, and cybersecurity initiatives.
• Troubleshoot and optimize Linux systems while maintaining security and availability.

Tools

Azure

Azure DevOps

Docker

Ubuntu Pro

Livepatch

ESM

APT

Bash scripting

PowerShell

UFW

SSH hardening

AppArmor

SSL/TLS certificates

systemd

auditd

PAM configuration

SSSD identity integration

Azure Policy

Azure Key Vault

Azure Container Registry (ACR)

LDAP/identity concepts

Job description

TPI Global Solutions is seeking a Senior Linux System Administrator to operate, secure, and automate Linux systems across on-premises and Azure environments, including Azure Government. The role requires deep Linux expertise, Azure DevOps, Docker, and security hardening skills, with autonomous work in a small IT/security team.

On-site at Montgomery, AL, the position emphasizes patching, automation, identity management, and compliance activities, with a 12-month duration and background check