Key Responsibilities

- Prepare the selected Linux servers and confirm that prerequisites within the Linux administration scope are in place.
- Run and validate agreed test cases for monthly patches from the applicable Linux vendors, third-party software patches, and vulnerability-remediation actions.
- Validate pre-patch and post-patch server health, services, package status, repositories, logs, restart requirements, and application availability.
- Troubleshoot Linux patching issues within the infrastructure support scope and document issues requiring AltaGas or Qualys support.
- Support approved network or connectivity changes through the applicable AltaGas process when a PoC test requires a new port, URL allow-list entry, repository path, or firewall change.
- Maintain detailed test records and risk entries, including command output or other evidence, test result, issue, and follow-up action.
- Contribute Linux findings, risks, limitations, and recommendations to the PoC findings report.
- Coordinate with the Desktop Support Engineer, Windows Server Administrator, application owners,



and AltaGas stakeholders.

Required Skills and Experience

- Strong hands-on Linux system administration experience in an enterprise setting.
- Experience with the Linux distributions used in the AltaGas test environment, such as Red Hat Enterprise Linux or another supported enterprise distribution.
- Practical experience with Linux package and patch management using the relevant tools, such as YUM, DNF, RPM, or APT.
- Ability to assess repositories, package dependencies, restart requirements, service impact, maintenance windows, and recovery considerations.
- Experience troubleshooting services, system logs, package failures, permissions, repositories, and network connectivity.
- Working knowledge of Linux vulnerability remediation and security configuration changes.
- Shell scripting skills for validation, evidence collection, and troubleshooting.
- Ability to produce clear test logs and communicate risks and technical findings.

📌 Linux Admin (Calgary)
🏢 apptoza
📍 Calgary