Windows Systems Administrator and Vulnerability Management Coordinator - guidehouse

Job Family :

Travel Required :

Clearance Required :

What You Will Do: • Install, configure, patch, monitor, back up, and maintain Windows Server operating systems across physical, virtual, and cloud-hosted environments. • Manage file systems and storage using volume management techniques; monitor and optimize file system performance. • Monitor system performance, capacity, and availability while performing operating system tuning and optimization. • Support on-premises VMware vSphere workloads and assist with workload migration and transition into Microsoft Azure. • Manage Windows Server environments hosted in Azure and other cloud platforms. • Utilize cloud-native tools such as Azure Monitor, Azure Update Management, and Defender for Cloud to maintain system health, performance, and compliance. • Configure and maintain Active Directory, DNS, DHCP, Group Policy, and related Windows services across hybrid environments. • Harden systems in accordance with cybersecurity policies, standards, regulations, and accreditation requirements. • Identify, remediate, and resolve operating system security vulnerabilities. • Manage domain user accounts, permissions, and role assignments. • Troubleshoot and resolve Tier 3 incidents and service requests while coordinating with customers and vendors as needed. • Automate administrative and operational tasks using PowerShell, Ansible, and related automation tools. • Maintain enterprise source code and configuration repositories using GitLab. • Provide 24x7 operational support and participate in on-call activities as required. • Document system changes, incidents, and problem resolutions using Configuration Management and ITSM tools. • Develop and provide knowledge transfer documentation to support operational continuity. • Participate in Agile and DevSecOps initiatives supporting infrastructure and platform services. • Support Windows Server 2016, 2019, and 2022 environments across VMware, Azure, AWS, and GCP platforms. • Administer and support technologies including Azure VMware Solution (AVS), VMware vSphere, PowerShell, Ansible, GitLab, Carbon Black, CyberArk, Defender, Remedy, and ServiceNow. What You Will Need:

• Minimum of SIX (6)+ years of overall work experience.

• Engineering-level experience supporting Microsoft Windows Server in enterprise data center environments. • Experience managing Windows workloads in Microsoft Azure, including hybrid cloud environments and workload migrations. • Experience supporting VMware-based infrastructure and virtualization platforms. • Demonstrated ability to lead troubleshooting, root cause analysis, and resolution efforts for complex technical issues. • Experience collaborating with technical and business stakeholders to deliver operational solutions.