IT Systems Administrator

IT Systems Administrator The Role Own 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 Own Administer Windows Server, Active Directory, Group Policy, Microsoft 365, and Microsoft Entra Maintain hybrid infrastructure across VMware, Azure IaaS, and on-premises environments Manage identity, access, conditional-access policies, permissions, and Okta integrations Configure endpoints, compliance policies, applications, and software deployments using Intune and Workspace ONE Execute upgrades, patching, migrations, backups, recovery testing, and system retirements Monitor system health, investigate alerts, and resolve root causes Use PowerShell, APIs, and automation to improve reliability and reduce manual work Maintain accurate system configurations, network records, procedures, and compliance documentation Support infrastructure modernization, lifecycle planning, and platform optimization Manage tickets, changes, and service commitments in accordance with ITIL practices Identify security, reliability, licensing, and capacity risks before they affect the business What Success Looks