We are looking for an experienced Systems Administrator to join our team in San Antonio, Texas. In this role, you will be responsible for maintaining, optimizing, and securing on-premises infrastructure to support business operations. The ideal candidate will have a strong background in server administration, virtualization, networking, and system troubleshooting.<br><br>Responsibilities:<br>• Design, implement, and manage on-premises infrastructure including Windows Servers, VMware ESXi/vCenter, storage solutions, and networking components.<br>• Diagnose and resolve complex issues related to servers, virtualization, and system operations on-site.<br>• Conduct regular updates, patch management, system backups, and lifecycle maintenance for all on-premises systems.<br>• Escalate unresolved technical challenges to senior IT leaders or external vendors when necessary.<br>• Collaborate with IT team members to deliver consistent, secure, and high-quality services to the organization.<br>• Document procedures, configurations, and any changes within the IT environment for reference and compliance.<br>• Assist in implementing security protocols, monitoring tools, and disaster recovery strategies to safeguard infrastructure.<br>• Provide basic support and troubleshooting for desktops, laptops, and printers as needed.

• Extensive experience with Windows Server administration including Active Directory, Group Policy, and related services.<br>• Proficiency in VMware technologies such as ESXi, vCenter, VM provisioning, and performance optimization.<br>• Familiarity with Office 365/Microsoft 365 services and hybrid integration setups.<br>• Solid understanding of Cisco networking concepts including switches, firewalls, and general network infrastructure.<br>• Hands-on experience with antivirus solutions and endpoint security tools.<br>• Strong communication skills, both written and verbal, to effectively collaborate with team members and stakeholders.<br>• Exceptional problem-solving abilities and attention to detail in documentation.<br>• Ability to multitask and prioritize tasks in a fast-paced environment.

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