Senior Windows System Administrator

Overview rockITdata is a unique SDVOSB services company that partners with leading commercial healthcare/life sciences organizations on cutting edge innovations—think AI, automation and data transformation. We then bring those commercially tested solutions to government entities to deliver predictable, measurable impact for the American taxpayer and consumer. rockITdata is seeking a Senior Windows System Administrator to design, implement, and support enterprise infrastructure environments. This role requires expertise in Windows Server administration along with hands-on experience in container platforms such as OpenShift and Kubernetes, and virtualization technologies. The ideal candidate will play a key role in maintaining system reliability, performance, and security across hybrid environments. This role is 100% onsite to start (8:00am - 4:30pm CST), and may transition to a hybrid role after training is complete. Key Responsibilities Administer, maintain, and support Windows Server environments (2016/2019/2022). Manage Active Directory, Group Policy, DNS, DHCP, and IIS. Design and support virtualized environments (VMware, Hyper-V). Deploy, manage, and troubleshoot containerized applications using Kubernetes and OpenShift. Monitor system performance and ensure high availability and disaster recovery readiness. Automate system administration tasks using PowerShell and scripting tools. Collaborate with DevOps and application teams to support CI/CD pipelines. Implement and enforce security best practices, patch management, and compliance standards. Troubleshoot complex system, network, and application issues. Maintain system documentation, procedures, and configurations. Provide mentorship and guidance to junior administrators. Required Qualifications 5–10+ years of experience in Windows system administration Strong expertise in: Windows Server administration Active Directory & Group Policy PowerShell scripting Hands-on experience with: Kubernetes Red Hat OpenShift Virtualization platforms (VMware vSphere and/or Hyper-V) Experience with system monitoring tools and backup solutions. Knowledge of networking fundamentals (TCP/IP, firewalls, load balancing). Bachelor’s degree in computer science, electronics engineering or related technical discipline and 5+ years’ work experience. Eight (8) years of additional relevant experience may be substituted for education (13 years total). Ability to pass a Tier 2/Moderate Background Investigation (Public Trust). Preferred Qualifications Familiarity with Infrastructure as Code (Terraform, Ansible). Red Hat or Kubernetes certifications (e.g., CKA, OpenShift Administrator). #J-18808-Ljbffr