Sr. Systems Administrator

Key Responsibilities

• Administer and maintain Windows Server environments, including Active Directory, DNS, DHCP, Group Policy, file services, and print services.
• Manage virtualized and cloud server infrastructure and perform system upgrades, patching, and maintenance.
• Maintain backup and disaster recovery solutions to ensure business continuity.
• Manage Azure Active Directory (Entra ID), hybrid cloud integrations, and synchronization services.
• Monitor cloud resource utilization, security, and cost optimization.
• Support cloud migration and modernization initiatives.
• Manage Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, and Intune.
• Manage a Citrix environment.
• Administer user accounts, licensing, email security, retention policies, and compliance requirements.
• Support endpoint management and mobile device administration.
• Implement and maintain Microsoft security best practices and policies.
• Aids Network and Security Specialist in installing Wi-Fi APs, switches, and firewalls.
• Monitors network performance.
• Monitors incidents and security alerts and responds to incidents, vulnerabilities, and threats.
• Performs system patching, vulnerability remediation, and access control management.
• Supports compliance initiatives, audits, and documentation related to information security and operational technology environments.
• Manages multiple projects simultaneously while maintaining high customer service standards.
• Assists IT Technicians at multiple locations for troubleshooting assistance and training, providing end user support as needed.
• Consults with clients, vendors, and personnel in other departments or foreman to discuss, estimate, and resolve issues.
• Affords support with budgeting, vendor coordination, hardware procurement, and asset management.
• Provides cost analysis data when upgrading or purchasing new hardware, software, or equipment.

Required Qualifications

• Bachelor's Degree in related field preferred
• 5+ years of experience
• Windows Server Administration (2019, 2022, 2025)
• Active Directory and Group Policy
• Office 365 and Azure Administration
• Aruba Wireless Networks Administration
• Cisco Meraki Firewalls and VPNs
• Fortinet Switching Infrastructure
• Citrix Administration
• Network administration
• Hardware and Software installation and administration
• Experience supporting enterprise network environments
• Knowledge of cybersecurity principles and best practices
• Analytical and problem-solving abilities to identify problems and troubleshoot system issues