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

Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations.

Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at [email protected] .

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.