Kforce has a client that is seeking a Windows System Administrator in Golden, CO. Summary: As a System Administrator you will be responsible for the maintenance, configuration, and reliable operation of IT infrastructure. This includes servers, networking hardware, virtualization environments, and cloud systems. You'll collaborate with cross-functional teams to ensure uptime, optimize performance, and support a growing global organization. Key Responsibilities: * Administer and maintain Windows Server environments (2016/2019/2022), Active Directory, DNS, DHCP, and GPOs * Manage virtual infrastructure using VMware vSphere, including provisioning and backups * Support Citrix environments and remote desktop services (if applicable) * Monitor, configure, and troubleshoot network infrastructure including Cisco switches, routers, and Palo Alto firewalls * Assist with cloud-based platforms such as Office 365, Azure AD, or SharePoint * Implement and maintain system security best practices, patches, and updates * Support help desk escalation tickets and provide Tier 2/3 technical support * Document procedures, system configurations, and operational playbooks * Participate in disaster recovery and business continuity planning * Collaborate with cybersecurity, compliance, and business teams to support company goals