System Administrator
nLeague · Indianapolis, IN · 3 mo ago
On-siteInformation TechnologyContract
Key Responsibilities
- Administer Windows Server environments (on-premises and cloud)
- Manage Active Directory, Group Policy, DNS, and DHCP
- Support Microsoft 365 services (Exchange Online, Entra ID/Azure AD)
- Maintain system performance, availability, and configuration
- Execute structured patching for servers and core systems
- Coordinate with leadership on scheduling and system impact
- Support vulnerability remediation aligned to security priorities
- Validate patches prior to deployment
- Track patch compliance and status
- Implement security controls defined by the Information Security Office
- Support identity and access management practices, including MFA
- Afford assistance with system hardening, logging, and monitoring integrations
- Provide support for audits and compliance activities
- Monitor systems and respond to alerts and operational issues
- Provide Tier 2/3 support for infrastructure incidents
- Participate in incident response and escalation processes
- Contribute to root cause analysis and service improvements
- Administer backup and recovery solutions
- Perform and validate backup and restore testing
- Support recovery objectives (RTO/RPO)
- Follow defined change management processes
- Execute infrastructure changes in a controlled manner
- Participate in CAB or similar governance processes