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# Systems Administrator

- **Company:** Addison Group
- **Location:** Oklahoma City, OK, United States
- **Salary:** $85,000.0 - $105,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Microsoft Azure, Backup Devices, Cloud Computing, Information Systems, System Configuration, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Linux System Administration, Windows Servers, Public Key Infrastructure, Windows PowerShell, Red Hat Enterprise Linux, Virtualization Technology, Scripting, Information Technology
- **Published:** October 20, 2026
- **Apply:** https://www.juju.com/job/16_0665d4931

## About the Role

Must be authorized to work in the United States. Position is not eligible for sponsorship., * Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field.

 * Experience supporting Windows Server and/or enterprise Linux environments.
 * Knowledge of Active Directory, Group Policy, DNS, DHCP, or related infrastructure services.
 * Understanding of virtualization, cloud computing, networking, backup, and recovery concepts.
 * Strong analytical, troubleshooting, and problem-solving skills.
 * Ability to prioritize responsibilities and work effectively both independently and collaboratively.

Additional Details:

 * 1+ year of experience in systems administration, IT infrastructure, or a related technical role preferred.
 * Microsoft Azure and Microsoft 365 experience is a plus.
 * PowerShell or other scripting/automation experience preferred.
 * Familiarity with ITIL, SOX compliance, or IT service management practices is beneficial.
 * Experience in the energy industry is a plus.

## Description

The Systems Administrator will help maintain reliable, secure, and high-performing infrastructure while supporting day-to-day operations, troubleshooting, upgrades, and technology projects. This role will collaborate with IT teams to resolve technical issues and improve infrastructure operations., * Administer and troubleshoot Windows Server and Linux environments.

 * Support Active Directory, Group Policy, DNS, DHCP, and PKI services.
 * Assist with virtualization, storage, backup, and disaster recovery technologies.
 * Support Microsoft Azure, Microsoft 365, and other cloud platforms.
 * Monitor infrastructure performance, availability, and security.
 * Assist with system upgrades, deployments, patching, and lifecycle management.
 * Maintain technical documentation, procedures, and system configurations.
 * Work with internal IT teams and vendors on infrastructure and application initiatives.
 * Use PowerShell or similar scripting tools to automate tasks and improve processes.
 * Provide technical troubleshooting and support across the IT organization.