Windows Systems Administrator (Windows, Linux & DevOps)

Responsibilities

• Administer, maintain, and troubleshoot Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, IIS, and related services
• Support and manage Linux servers (Red Hat, Rocky Linux, Ubuntu, or similar distributions) in enterprise environments
• Monitor system performance, availability, and capacity to ensure optimal operation of hosted applications and services
• Implement, maintain, and improve infrastructure automation using scripting and configuration management tools
• Support DevOps initiatives, including CI/CD pipelines, infrastructure-as-code, automated deployments, and system monitoring
• Collaborate with developers, cybersecurity personnel, network engineers, and program stakeholders to support hosting requirements
• Perform routine system patching, upgrades, vulnerability remediation, and security hardening activities
• Manage virtualized environments utilizing VMware, Hyper-V, or cloud-based platforms
• Develop and maintain technical documentation, standard operating procedures, and system diagrams
• Support backup, recovery, continuity of operations, and disaster recovery activities
• Participate in incident response, root cause analysis, and corrective action implementation
• Ensure compliance with organizational security policies, government regulations, and applicable standards

Requirements

• Ability to obtain and maintain a public trust
• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field; equivalent experience may be substituted
• Minimum of five (5) years of experience administering Windows Server environments in an enterprise setting
• Experience supporting Linux operating systems in production environments
• Experience with PowerShell and at least one additional scripting language such as Bash or Python
• Experience with virtualization technologies, including VMware vSphere and/or Microsoft Hyper-V
• Experience implementing or supporting DevOps tools and practices
• Familiarity with source control systems such as Git
• Strong understanding of networking fundamentals, including TCP/IP, DNS, routing, and firewall concepts
• Experience with system monitoring, logging, and performance management tools
• Strong troubleshooting, analytical, and problem-solving skills
• Excellent written and verbal communication skills

Preferred Qualifications

• Experience supporting federal government or Department of Defense (DoD) environments
• Experience with cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform
• Experience with infrastructure-as-code tools such as Terraform, Ansible, or similar technologies
• Experience with containerization and orchestration technologies, including Docker and Kubernetes
• Familiarity with Security Technical Implementation Guides (STIGs), NIST frameworks, and cybersecurity best practices
• Experience supporting highly available and mission-critical hosting environments

Desired Technical Skills

• Windows Server 2016/2019/2022 Active Directory, Group Policy, DNS, DHCP PowerShell, Bash, Python
• VMware vSphere, Hyper-V
• Git, Azure DevOps, GitLab, Jenkins, GitHub Actions
• Terraform, Ansible
• Docker, Kubernetes
• IIS, Apache, Nginx
• Maintenance and monitoring solutions