Linux Administrator

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

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

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

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

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

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

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

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

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

Skill Experience supporting development infrastructure with fast-changing workload requirements.