Cloud Virtual Infrastructure System Administrator

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Cloud Virtual Infrastructure System Administrator based in Beavercreek, Ohio, United States. As a Cloud Virtual Infrastructure System Administrator, you will support and evolve enterprise virtual infrastructure in a classified environment supporting critical Air Force missions. You will work across AWS, Windows Server, Red Hat Enterprise Linux, Active Directory, and Kubernetes-based environments. The role combines hands-on administration, infrastructure automation, security hardening, troubleshooting, and continuous improvement. You will help maintain resilient systems, strengthen compliance, and contribute to 24/7 continuity of operations. You will collaborate with specialized IT, security, customer, and technical teams while managing multiple priorities in a demanding environment. The position offers meaningful technical challenges, opportunities to expand your expertise, and the chance to contribute to mission-critical infrastructure. While standard hours are during the business day, occasional after-hours support may be required. Provision, configure, administer, and troubleshoot AWS environments, including Amazon WorkSpaces, EC2 instances, and AWS Systems Manager, supporting both Windows Server and Red Hat Enterprise Linux systems. Administer virtualized infrastructure and Kubernetes environments, including management systems and containerized applications. Manage Microsoft Active Directory domains, including user accounts, authentication, permissions, group policies, and domain integration. Automate virtual machine provisioning, operating system configuration, software deployment, patching, and routine administrative activities using tools such as Ansible, PowerShell, and Bash. Maintain system security through hardening, vulnerability remediation, patch management, configuration management, DISA STIG implementation, SCAP practices, and vulnerability scanning. Manage backup and recovery services, file systems, disk capacity, storage configurations, and access controls across environments using technologies such as S3, EFS, NFS, FSx, SMB, and NTFS. Diagnose and resolve virtualized hardware, operating system, network, connectivity, and application issues across complex enterprise environments. Develop and maintain accurate technical documentation, system baselines, configuration records, procedures, and corrective-action documentation. Support user access and account management across domain and standalone environments while maintaining appropriate security controls. Monitor system health and operational performance, respond to incidents, and help ensure continuity of operations for mission-critical services. Collaborate with security teams, customers, senior leadership, and technical specialists to resolve issues and deliver infrastructure improvements. Work effectively in an Agile environment, balancing multiple priorities while identifying opportunities for process, methodology, and infrastructure improvements. Provide technical leadership when needed, including coordinating the work of technical team members and contributing expertise to infrastructure initiatives. Requirements: Minimum of 3 years of experience as a Windows and Linux Systems Administrator supporting installation, configuration, maintenance, patching, flaw remediation, and administration of virtualized servers, workstations, and related computing environments. An active Top Secret security clearance with an in-scope background investigation is required. Ability to obtain and maintain the required security authorization for the position, including compliance with applicable DoD security requirements. DoD Directive 8570/8140 IAT Level II certification, such as CompTIA Security+ , is required. Hands-on experience administering and troubleshooting Windows Server and Red Hat Enterprise Linux within AWS environments. Working knowled