System Administrator Windows

Computer World Services Corp (CWS) is seeking a detail-oriented and results-driven System Administrator – Windows who is responsible for the daily configuration, operation, monitoring, and maintenance of enterprise Windows server environments supporting NIEHS mission-critical systems. This role ensures stable, secure, and efficient system performance across physical and virtual infrastructure.

The Windows System Administrator supports engineering, monitoring, backup, and VMware-based virtualization environments while assisting users in accessing and utilizing enterprise business systems.

Key Tasks & Responsibilities

Windows System Administration

• Perform daily configuration and operation of Windows Server systems in a client/server enterprise environment
• Install, configure, patch, and maintain Windows Server operating systems and associated services
• Support Active Directory, Group Policy, DNS, DHCP, and enterprise identity services
• Ensure system stability, availability, and compliance with organizational standards

System Engineering & Optimization

• Participate in system engineering activities including deployment, configuration, and integration of Windows-based infrastructure
• Assist in optimizing system performance and resource utilization across server environments
• Support system capacity analysis and planning for growth, scalability, and workload distribution
• Assist in implementation of system upgrades, patches, and infrastructure enhancements

Monitoring & Operational Support

• Monitor system health, performance, availability, and utilization across Windows environments
• Respond to alerts and incidents to ensure timely resolution of system issues
• Perform root cause analysis for recurring system problems and implement corrective actions
• Support continuous system improvement through proactive monitoring and tuning

VMware Virtualization Support

• Support Windows Server workloads hosted in VMware vCenter environments
• Assist in provisioning, managing, and maintaining virtual machines
• Monitor virtual resource utilization (CPU, memory, storage) and performance metrics
• Support virtualization troubleshooting and coordination with infrastructure teams

Backup & Recovery Support

• Support enterprise backup and recovery operations for Windows-based systems
• Ensure successful execution of scheduled backups in accordance with policies and SLAs
• Assist in system restoration and recovery testing, including file-level and system-level recovery
• Support validation of backup integrity and adherence to Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO)

User Support & System Access

• Provide assistance to users in accessing and utilizing Windows-based business systems
• Troubleshoot login, access, and application-related issues
• Support identity and access management processes in coordination with enterprise teams
• Ensure reliable delivery of services to end users across the enterprise environment

Infrastructure Maintenance & Coordination

• Participate in system maintenance activities including patching, upgrades, and configuration changes
• Coordinate with VMware, storage, backup, and network teams for integrated infrastructure support
• Assist in documentation of system configurations, procedures, and changes
• Support implementation of operational standards and best practices

Required Technical Skills

• Windows Server administration (2016/2019/2022 or equivalent)
• Active Directory, Group Policy, DNS, and DHCP management
• VMware vSphere / vCenter environments
• Enterprise backup and recovery systems (e.g., Veeam, Commvault, or equivalent)
• System monitoring and performance analysis tools
• Basic system capacity planning and resource optimization
• Troubleshooting enterprise Windows infrastructure issues

Preferred Skills

• Experience supporting Federal or NIH environments
• Familiarity with Red Hat/Linux interoperability in enterprise environments
• Experience with storage systems (SAN, NAS, DASD)
• Experience with PowerShell scripting and automation
• ITIL Foundation certification or IT service management experience
• Familiarity with hybrid cloud environments (e.g., Azure integration)

Key Competencies

• Strong technical troubleshooting and analytical skills
• Ability to operate in high-availability enterprise environments
• Effective communication and collaboration across technical teams
• Attention to detail and operational discipline
• Ability to prioritize and resolve multiple concurrent issues
• Strong focus on system reliability and user support

Education & Experience

Education

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field

Experience

• 5+ years of experience in Windows system administration in enterprise environments
• Experience supporting VMware virtualized environments
• Experience with enterprise backup and monitoring systems

Certifications

• Windows Server Hybrid Administrator Associate
• VMware VCP-DCV
• Security+
• Azure Administrator Associate
• VMCE or equivalent
• Certifications such as CompTIA A+, Network+, or Microsoft certifications
• ITIL certification preferred

Security Clearance

• Applicants must be able to obtain a Public Trust clearance