Senior Linux Administrator

Global Technical Talent, an Inc. 5000 Company; Montgomery (AL); On-site; USD 96,000 - 99,000; Full time

Benefits offered by this job

Medical, Vision, and Dental Insurance

401k Retirement Fund

Job summary

Global Technical Talent, an Inc. 5000 Company, seeks a Senior Linux Administrator for an on-site 1-year contract in Montgomery, AL.

You will operate, secure, and optimize Linux systems (RHEL/Ubuntu) across on-prem and Azure environments, with focus on Azure DevOps pipelines and container workloads. Qualifications include 8+ years in Linux, Ubuntu/Debian expertise, Azure tooling, Bash/PowerShell scripting, and CIS security controls.

Qualifications

• 8+ years of hands-on Linux administration in enterprise or government environments.
• Deep expertise with current Ubuntu Server LTS releases and RHEL.
• Experience with Azure DevOps, pipelines, repositories, and CI/CD workflows involving Linux.
• Experience with Docker on Linux, including secrets management for containers outside managed clusters.
• Advanced Bash scripting and PowerShell 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.
• Ability to work independently in a small IT/security team.

Responsibilities

• Administer, configure, troubleshoot, and maintain production and non-production RHEL and Ubuntu Server VMs and physical servers.
• Maintain CIS-aligned hardening on Ubuntu systems and work with Azure Defender for Cloud and Azure Policy.
• Manage patching through Ubuntu Pro (Livepatch and ES) and APT, minimizing downtime.
• Write and maintain automation in Bash and PowerShell for a mixed Linux/Azure environment.
• Familiarity with on-prem Azure DevOps for source control, pipelines, and CI/CD supporting Docker configuration and deployment to Linux.
• Support Docker workloads running on standalone Linux VMs and integrate with Azure Key Vault / Azure Container Registry.
• Maintain SSSD-based identity integration, sudoers governance, and PAM configuration.
• Manage LVM, filesystems (XFS/EXT4), and partition layouts per CIS guidance.
• Collaborate with cybersecurity team to support audit findings and logging via auditd and Azure-native tooling.

Skills

Linux administration

Azure DevOps

Docker on Linux

Bash scripting

PowerShell

SSH hardening

PAM configuration

Systemd & kernel tuning

Independent work

Education

Bachelor's degree

CISSP

CompTIA Security+

AZ-900

AZ-104

Canonical/Ubuntu certifications

Tools

Azure DevOps

Ubuntu Server

Azure Key Vault

Azure Defender for Cloud

Azure Policy

Docker

Ubuntu Pro Livepatch

Job description

• Contract Duration: 1 year – possible extension
• Pay Rate: $70.00–$72.00 / Hour (USD)
• Work Authorization: Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

Senior Linux Administrator

Location: Montgomery, AL

Onsite Flexibility: Onsite

Contract Details

• Position Type: Contract
• Contract Duration: 1 year – possible extension
• Pay Rate: $70.00–$72.00 / Hour (USD)
• Work Authorization: Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

Job Summary

This Senior Linux Administrator role is for an on-site contract engagement. This role operates, maintains, and secures RedHat, Ubuntu and other Linux systems running both on-prem and in Azure across both Commercial/GCC and Azure Government environments. This role sits at the intersection of Linux administration and Azure operations. Candidates should be equally comfortable at a Linux shell and working within Azure DevOps, Azure-native security tooling, and containerized workloads.

Key Responsibilities

System Administration & Maintenance:

• Administer, configure, troubleshoot, and maintain production and non-production RHEL and Ubuntu Server VMs and physical servers.

Security Hardening & Compliance:

• Maintain CIS-aligned hardening on Ubuntu systems, working within the agency's existing security stack, including Azure-native tooling such as Defender for Cloud and Azure Policy. Support compliance reporting and remediation using this stack.

Patching & Lifecycle:

• Manage patching through Ubuntu Pro (Livepatch and Extended Security Maintenance) and APT, minimizing manual patch orchestration and unplanned downtime.

Automation & Scripting:

• Write and maintain automation in Bash and PowerShell to support a mixed Linux and Azure environment. Familiarity with implementing Cron jobs and other scheduled automations.

Azure & DevOps Integration:

• Familiarity and experience with on-prem Azure DevOps for source control, pipelines, and CI/CD supporting Docker configuration and deployment to a Linux environment.

Containers & Secrets Management:

• Support Docker workloads running on standalone Linux VMs (outside of Kubernetes or Azure Container Instance clusters), including integrating containers with Azure Key Vault. Experience with using Azure Container Registry, including Push/Pull and vulnerability scanning.

Identity & Access Management:

• Maintain and secure SSSD-based identity integration, including sudoers governance and PAM configuration.

Storage & Filesystem Management:

• Manage LVM, filesystems (XFS/EXT4), and partition layout, including dedicated mounts such as /var, /tmp, and /var/log/audit, in line with CIS guidance.

Audit Support:

• Collaborate with the cybersecurity team to support audit findings, logging through auditd, and ongoing security posture, using the existing security stack and Azure-native tooling as the primary audit trail.

Required Skills

• 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.
• Ability to work independently with limited dedicated Linux peer support, as part of a small, cross-functional IT and security team.

Preferred Skills

• 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.

Education Requirements

• Bachelor's degree required.
• Canonical/Ubuntu certifications preferred.
• CISSP preferred.
• CompTIA Security preferred.
• AZ-900 and/or AZ-104 preferred.

Required Experience

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

Benefits

• Medical, Vision, and Dental Insurance Plans
• 401k Retirement Fund

About GTT

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. We highly value diverse and inclusive workplaces and support Fortune 500 organizations across banking, financial services, technology, life sciences, biotech, utilities, and retail sectors throughout the U.S. and Canada.

Job Number: 26-13738