Sr. Systems Admin-PT

Sr. Systems Admin

Part‑time hybrid and remote 20‑40 hours per week. Onsite 2 days per week, 8 hours per day.

Limited to a 4‑month project with potential to extend – June 2026 to September 2026.

5+ years of experience required.

To manage a team of System Administrators, integrate and manage server enterprise applications into the district's network environment.

• Managing a team of System Administrators

• High School Diploma or GED
• Valid Texas driver’s license
• Preference for Microsoft Endpoint Administrator Certification
• Preference for Microsoft 365 Certified:
  Endpoint Administrator Associate
• Preference for Microsoft Azure Certification
• Preference for Microsoft Certified:
  Windows Server
• Preference for CompTIA Server+
• Preference for VMware Certified Professional (VCP)
• Preference for Jamf Pro Certifications
• Preference for Apple IT Certifications
• Preference for Google Workspace Certifications
• Preference for Linux/Unix/Ubuntu Certifications
• Preference for Cisco Certified Network Associate (CCNA)
• Preference for ITIL Foundation

• Proficiency in administering and managing server operating systems such as Windows Server and Linux distributions
• Experience with virtualization technologies (e.g., VMware, Hyper‑V) for creating and managing virtual machines
• Understanding of network protocols, IP addressing, routing, and firewall configuration
• Strong scripting skills, especially Power Shell or other scripting languages, to automate routine tasks and streamline administrative processes
• Knowledge of server hardware components and ability to troubleshoot hardware-related issues
• Familiarity with monitoring tools such as Solar Winds for real‑time performance monitoring, alerting, and capacity planning
• Experience with MECM (Microsoft Endpoint Configuration Manager) for configuration management, software deployment, and updates
• Proficient in managing and maintaining Active Directory, including user accounts, group policies, and domain services
• Skill in designing, implementing, and troubleshooting Group Policy Objects (GPOs) for security and configuration management
• Knowledge of on‑premise email systems such as Microsoft Exchange and cloud‑based email solutions such as Office 365
• Administration and optimization of Office 365 services, including SharePoint, Exchange Online, and Teams
• Understanding of security best practices, including single sign‑on (SSO) and multi‑factor authentication (MFA)
• Experience with backup solutions and disaster recovery planning to ensure data integrity and availability
• Strong troubleshooting skills to identify and resolve server‑related issues efficiently
• Administration of Jamf Pro MDM automation and engineering
• Administration of Google Workspace MDM endpoint management and security
• SQL/MySQL database administration
• Managing contractors and consultants on a per‑project basis

• In‑depth knowledge of Apple and Google device hardware, as well as server hardware including RAID configurations
• Linux integrations with Jamf Pro Server
• High‑level troubleshooting skills related to iOS, macOS, Linux, Unix, Windows, Windows Server, and Chrome OS
• Working knowledge of enterprise SAN integrations in an Active Directory environment
• Active Directory integrations with Apple devices
• In‑depth knowledge of Google Cloud Directory Sync services
• High‑level understanding of application management and policy‑based inheritance

• Ability to work in a high‑pressure environment while maintaining a high degree of professionalism
• Strong ability to multitask
• Ability to work a flexible schedule as needed, including occasional prolonged and irregular hours
• Able to solve complex problems with tight deadlines
• Communicating well in both oral and written form, complying with timelines

• Reaching with hands and arms and frequently repeating the same hand, arm, or finger motion
• Ability to sit for prolonged periods of time
• Ability to lift 60 pounds
• Seeing close work such as typed or handwritten material

All candidates are encouraged to apply. Many positions require a strict drug and background check by our customers. F2

OnSite supports and adheres to all state laws regarding background checks.