IT System Administrator I

Citizens, Inc.•Austin, TX

3d•Onsite

About The Position

The IT System Administrator I provides hands-on, in-office support for core IT systems, cloud services, virtual machines, and SaaS platforms under the guidance of senior administrators. This role supports identity and access management (Active Directory and Microsoft Entra ID), Windows virtual machine administration, SaaS application access, and foundational networking. Due to system access and security requirements, this position requires a consistent on-site presence in the Austin office.

Requirements

Associate’s degree in Information Technology, Computer Science, or related field (Up to 2 years of experience may substitute for degree)
1–3 years of experience in IT support, systems administration, or help desk roles
Hands-on experience with: Windows operating systems
Active Directory and Entra ID fundamentals
SaaS user access management
Foundational understanding of networking (TCP/IP, DNS, DHCP, VPN)
Strong troubleshooting, communication, and documentation skills

Nice To Haves

Experience supporting Windows virtual machines in on prem or cloud environments
Experience with SaaS platforms such as Zoom, Zendesk, Oracle, or Jira
Familiarity with SSO protocols (SAML, OIDC)
Experience with Intune or endpoint management solutions
Certifications such as: Microsoft AZ 900 / MS 900, CompTIA Network+ or Security+

Responsibilities

Assist with Active Directory administration, including users, groups, OUs, and basic Group Policy tasks
Support Microsoft Entra ID (Azure AD) user lifecycle management (joiners, movers, leavers)
Perform password resets, MFA troubleshooting, and access changes following least-privilege principles
Assist with file shares, NTFS permissions, and access reviews
Assist with administration and support of Windows-based virtual machines (on prem and/or cloud)
Perform routine VM tasks such as: User access changes, Service restarts, Patch coordination, Basic performance and availability checks
Assist with VM provisioning, decommissioning, and documentation under senior oversight
Escalate OS-level, performance, or application issues appropriately
Support day-to-day administration of enterprise SaaS platforms, including: Zoom Contact Center, Zendesk, Oracle (cloud-based applications), Jira (and related Atlassian services)
Provision and deprovision of user access based on role, approval, and documented procedures
Troubleshoot SaaS access issues involving SSO, MFA, permissions, and integrations
Perform periodic access reviews and assist with vendor coordination for SaaS support issues
Provide on-site support for Windows laptops and desktops
Assist with Microsoft 365 services (Exchange Online, Teams, OneDrive, SharePoint)
Support endpoint management tools such as Intune, patching, and endpoint security agents
Perform basic network troubleshooting (wired, wireless, DNS, DHCP, VPN connectivity)
Assist with switches, access points, and firewall-related tasks under supervision
Escalate complex network issues to Network Administrators
Respond to incidents and service requests through the IT ticketing system
Follow security, access control, and change management standards
Assist with audits, access attestations, and compliance documentation
Participate in on-call rotation or after-hours maintenance as required
Maintain accurate system, VM, and SaaS documentation
Document incidents, changes, and troubleshooting steps
Work closely with IT Support, Network Administration, Security, and Application Owners