> Markdown version of [/jobs/ext/3396028-senior-server-administrator](https://www.wearedevelopers.com/jobs/ext/3396028-senior-server-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Server Administrator - **Company:** Epicor Incorporated - **Location:** Austin, TX, United States - **Experience:** Expert - **Salary:** $105,000.0 - $178,000.0 - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Active Directory, User Authentication, Microsoft Online Services, Dynamic Host Configuration Protocol, Desktop Publishing, Domain Name System (DNS), Multi-Factor Authentication, Hyper-V, Identity and Access Management, Citrix Systems, OAuth, Office Suite, OpenShift, Windows PowerShell, Red Hat Enterprise Linux, Server Administration, Single Sign-On, Virtual Local Area Networks, Virtualization Technology, Scripting, Hardware Infrastructure, Network Server, Commvault, Vmware - **Published:** September 16, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18313837?backUrl=%2Fcareer%2F18313837%2FSenior-Server-Administrator-Texas-Austin ## About the Role Step into your future as a Senior Server Administrator! In this role, you will maintain and optimize our infrastructure, focusing on identity management, Microsoft 365 administration, virtualization, and security. You will support both customer and internal applications, collaborating with teams across multiple locations. We are seeking applicants with strong technical expertise, a proactive mindset, and a passion for process improvement., * 5+ years' experience in server administration, with demonstrated success in identity management, authentication, single sign-on, multi-factor authentication, and Entra Active Directory. * Strong Microsoft 365 administration skills, including Teams, OneDrive, and Office suite. * Familiarity with virtualization technologies, such as VMware and Hyper-V. * Proficiency in PowerShell scripting. * Understanding of identity and access management concepts and best practices. * Demonstrated history of leading projects. * Subject matter expertise in several of the following technologies: + Red Hat Enterprise Linux (RHEL) and RH Satellite + Backup and recovery solutions (Commvault, Cohesity) + SAN networking + TLS certificate lifecycle management automation + Networking (DNS, DHCP, VLANs, VMware VDS) + Data center hardware (servers, storage, networking) + Multiple hypervisors (e.g., Proxmox, OpenShift, Hyper-V) What Could Set You Apart: * Experience with G Suite, including migration into Microsoft 365. * Citrix experience. * Experience with automation tools. * Teams administration in a multi-geo enterprise environment. * Exposure to hybrid environments, including on-premises Active Directory. * History of automating routine tasks and commitment to creating documentation. * Passion for learning new technology. ## Description * Administer and maintain identity and access management systems, including Entra Active Directory, multi-factor authentication, and single sign-on. * Manage Microsoft 365 services, including Teams, OneDrive, and Office suite, and configure OAuth workflows. * Support virtualization platforms, such as VMware and Hyper-V. * Participate in a 24x7 on-call rotation and respond to infrastructure incidents and critical outage calls. * Collaborate with cross-functional teams across Austin, Irvine, and remote locations. * Contribute to security and compliance efforts, including SOX and audit reporting. * Document processes and share knowledge across the team. * Serve as a subject matter expert for VMware and Microsoft Windows administration. * Work tickets from a service desk queue and use scripting technologies to automate tasks. * Partner with vendors and other teams to architect and implement solutions. * Document design and support procedures for routine tasks to leverage Tier 1 and Tier 2 support. * Lead and participate in process improvement, solutions implementation, and project leadership.