Senior Linux Systems Engineer - Azure, Docker & Security

TPI Global Solutions; Montgomery (AL); Presencial; USD 120.000 - 150.000; Jornada completa

Descripción de la vacante

TPI Global Solutions in Montgomery, AL seeks a Senior Linux Administration professional to manage production and non-production Linux VMs and servers, with focus on Ubuntu and RHEL environments. You will implement CIS hardening, patching, automation, and DevOps practices in a mixed Linux/Azure ecosystem.

Responsibilities include container integration with Azure Key Vault, managing Docker workloads, and collaborating with security teams to maintain a strong security posture across on-prem and

Formación

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

Responsabilidades

• Administer, configure, troubleshoot, and maintain production and non-production RHEL and Ubuntu Server VMs and physical servers.
• 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.
• Manage patching through Ubuntu Pro (Livepatch and Extended Security Maintenance) and APT, minimizing manual patch orchestration and unplanned downtime.
• 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.

Conocimientos

Linux admin

Azure on Linux

Azure DevOps

Docker on Linux

Bash scripting

PowerShell

SSH hardening

AppArmor

auditd

systemd

PAM configuration

kernel tuning

log rotation

Herramientas

Docker

Azure Key Vault

Azure DevOps Pipelines

Descripción del empleo

TPI Global Solutions in Montgomery, AL seeks a Senior Linux Administration professional to manage production and non-production Linux VMs and servers, with focus on Ubuntu and RHEL environments. You will implement CIS hardening, patching, automation, and DevOps practices in a mixed Linux/Azure ecosystem.

Responsibilities include container integration with Azure Key Vault, managing Docker workloads, and collaborating with security teams to maintain a strong security posture across on-prem and