Information Technology System Administrator
Premier Staffing Partners
- United States
- United States
Über
Permanent FTE with full company benefits package
Work Schedule:
After ramp-up: hybrid (minimum 2 days per week onsite)
Requirements:
Must be able to pass a credit and background check to be considered for this opportunity. Candidates must reside in Knoxville, TN, or the surrounding areas.
Job Summary We are seeking a
System Administrator II
to support and manage enterprise infrastructure across both on-prem and cloud environments. This role is responsible for administering server systems, maintaining performance and security, and ensuring the reliability of critical IT services.
Key Responsibilities
Administer and support Windows and Linux-based physical and virtual server environments
Manage cloud infrastructure, with a focus on Microsoft Azure (IaaS, PaaS, SaaS, serverless)
Maintain and support virtualization platforms, including Hyper‑V and VMware ESXi
Oversee Microsoft 365 environment, including Exchange Online, Teams, SharePoint, Dynamics, and licensing
Manage Active Directory and Azure AD, including DNS, DHCP, Group Policy, and certificate services
Perform daily system monitoring, ensuring availability, performance, and integrity of infrastructure
Review logs, validate backups, and ensure completion of scheduled jobs (including sFTP processes)
Provide Tier II/III support for server‑related issues and collaborate with desktop support teams
Troubleshoot and resolve hardware, software, and system‑level issues
Implement and maintain security best practices including patching, access controls, and data protection
Partner with security teams to deploy updates and strengthen infrastructure security posture
Support disaster recovery planning, testing, and documentation
Assist with capacity planning and forecasting for infrastructure growth
Maintain documentation for systems, configurations, and processes
Generate reports on system performance, usage, and capacity trends
Collaborate with network teams to ensure seamless integration across infrastructure components
Participate in an on‑call/off‑hours support rotation
Required Skills & Experience
Strong experience with:
Microsoft Hyper‑V
VMware ESXi
Microsoft 365 / Office 365
Experience managing enterprise server infrastructure in a hybrid environment
Solid understanding of Active Directory and Azure Active Directory
Experience with system monitoring, backup/recovery, and performance tuning
Familiarity with security best practices and patch management
Preferred Qualifications
Experience in capacity planning and infrastructure scaling
Exposure to automation or scripting (PowerShell preferred)
Experience working in a collaborative, cross‑functional IT environment
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Sprachkenntnisse
- English
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