IT Systems Administrator

IT Systems AdministratorOwn the reliability, security, and continuous improvement of Crest Operations' hybrid IT environment. You will administer core infrastructure, solve complex technical problems, automate repetitive work, and maintain the documentation and controls required for stable operations.This role is suited to a systems expert who works independently, moves quickly, and expects technical decisions to be supported by logic, evidence, and defined standards.What You'll OwnAdminister Windows Server, Active Directory, Group Policy, Microsoft 365, and Microsoft EntraMaintain hybrid infrastructure across VMware, Azure IaaS, and on-premises environmentsManage identity, access, conditional-access policies, permissions, and Okta integrationsConfigure endpoints, compliance policies, applications, and software deployments using Intune and Workspace ONEExecute upgrades, patching, migrations, backups, recovery testing, and system retirementsMonitor system health, investigate alerts, and resolve root causesUse PowerShell, APIs, and automation to improve reliability and reduce manual workMaintain accurate system configurations, network records, procedures, and compliance documentationSupport infrastructure modernization, lifecycle planning, and platform optimizationManage tickets, changes, and service commitments in accordance with ITIL practicesIdentify security, reliability, licensing, and capacity risks before they affect the businessWhat Success Looks LikeSystems remain stable, secure, current, and recoverableTechnical issues are resolved accurately and at the root-cause levelChanges are tested, documented, and implemented with minimal disruptionRepetitive processes are standardized or automatedLeadership receives clear, evidence-based recommendations on risk, cost, and system improvementsRequired Experience3–7 years of systems-administration experience in a Windows enterprise environmentStrong knowledge of Windows Server, Active Directory, Group Policy, Microsoft 365, and EntraExperience with VMware or Azure-based virtual infrastructureExperience managing endpoints through Intune or Workspace ONEWorking knowledge of identity security, access controls, backup, recovery, and monitoringPowerShell scripting or comparable automation experienceAbility to diagnose complex issues and make sound technical decisions independentlyStrong documentation practices and attention to configuration accuracyPreferred ExperienceOkta administration and SaaS provisioningAPI-based integrations and SaaS connectorsExchange Online, SharePoint Online, Teams, Power BI, and Power AutomateVeeam, PRTG, SolarWinds, ServiceNow, or ZendeskInfrastructure migrations, modernization, or cloud-transition projectsITIL v4 Foundation certificationMicrosoft, Azure, VMware, Okta, Network+, or Security+ certificationsTechnical Environment: Windows Server 2012–2022 | Active Directory | Group Policy | Microsoft 365 | Entra | Azure IaaS | VMware vSphere | Intune | Workspace ONE | Okta | PowerShell | Veeam | PRTG | SolarWindsYou will have meaningful ownership of a diverse technical environment and the opportunity to improve how it operates. The work is hands-on, technically demanding, and visible. Strong performance can lead to senior systems administration, cloud engineering, infrastructure architecture, or IT operations leadership.