Systems Administrator II

TEKsystems•Knoxville, TN

1d•Onsite

About The Position

The IT Systems Administrator II is responsible for maintaining and optimizing core server and cloud infrastructure across Azure and on-prem environments, ensuring system reliability, security, and performance while driving a high volume of security remediation tickets. This role involves administering and maintaining Windows and Linux server environments, managing Azure cloud services, and performing security-related system administration tasks. The administrator will also maintain Active Directory and Azure AD, partner with the security team, monitor systems, troubleshoot infrastructure issues, and support endpoint/device management and disaster recovery procedures.

Requirements

System administrator
Active directory
Linux
Azure
Infrastructure
Office 365
Windows administration
Vmware
iaas
saas
paas
Powershell
windows
Experience with virtualization platforms (VMware, Hyper-V) in production environments.
Familiarity with automation or scripting (PowerShell, Azure CLI) to improve efficiency.
Exposure to security best practices (patching, identity/access management, endpoint protection).
Experience supporting disaster recovery and backup solutions in enterprise settings.
Strong documentation and technical writing skills for runbooks, SOPs, and audits.

Responsibilities

Administer and maintain Windows and Linux server environments (physical and virtual) in a secure and stable manner
Manage Azure cloud services (IaaS, PaaS, SaaS) within a primarily Azure-based environment
Own and resolve a high volume of infrastructure and security remediation tickets, including permissions, account updates, system configuration changes, and vulnerability fixes
Perform security-related system administration tasks, including patching, configuration updates, and remediation of vulnerabilities identified through internal security scans
Execute system updates and participate in scheduled maintenance windows (patching, reboots, upgrades)
Maintain Active Directory and Azure AD (DNS, DHCP, GPOs), with a focus on user access, permissions, and policy administration
Partner with the security team to support remediation efforts and implement required system changes
Monitor systems and logs to identify performance issues and potential risks
Troubleshoot infrastructure issues across OS, application, and platform layers
Collaborate with engineering and service desk teams for escalations and operational support
Support endpoint/device management efforts (including Intune, where applicable)
Maintain disaster recovery procedures and support business continuity requirement