Systems & Microsoft 365 Administrator

Job Details Job Location: ARNOLD OIL COMPANY OF AUSTIN LP - AUSTIN, TX 78744 Position Type: Full Time Key Responsibilities Install, configure, upgrade, and troubleshoot hardware, software, and operating systems Manage routers, switches, firewalls, and VPN solutions (site-to-site and client-based) Provide Tier 2/3 support for end-user applications and remote laptop users Administer and support Microsoft 365, including Exchange Online, Teams, SharePoint, OneDrive, Intune and security/compliance features Maintain system and software license inventories Deploy, configure, and manage VoIP infrastructure Perform racking, installation, and cabling as needed Configure and troubleshoot wireless networks and related technologies Develop and maintain network documentation, topology diagrams, and SOPs Collaborate with security teams to ensure compliance with best practices for identity management, endpoint security, and data protection Qualifications Minimum 5 years of experience supporting Windows clients in a corporate environment Deep knowledge of the Windows operating system, Active Directory, and Group Policy Strong PC hardware expertise and ability to resolve complex hardware/software issues Solid understanding of TCP/IP networking and Windows domain environments Proven experience administering Microsoft 365 (Exchange Online, Teams, SharePoint, Intune, etc.) Experience with Microsoft 365 identity and security controls, including Entra ID, MFA, Conditional Access, and endpoint compliance. Experience with VPN client installation and troubleshooting Ability to detect, mitigate, and recover from malware and security incidents Excellent written and oral communication skills with a focus on high-quality documentation Strong time management skills and the ability to handle multiple priorities in fast-paced environments Professional demeanor, strong work ethic, and customer-first approach Willingness to provide off-hours on-call support and travel regionally as required Education Requirements High School Degree or GED College Degree Preferred

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