Senior Windows Systems Admin - AWS, PKI & Security

VTG; Chantilly (VA); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Vosper Thornycroft Group is seeking an experienced Windows Systems Administrator to manage Windows-based server environments hosted in AWS. The role emphasizes security, patching, monitoring, and rapid outage response across development, test, and production environments.

The successful candidate will administer Windows Server 2016/2019, manage PKI certificates and administrative accounts, and collaborate with laboratory staff and end users to resolve issues.

Qualifications

• Experience administering Windows client/server environments.
• Bachelor's degree in Computer Science, Information Technology, Engineering or related technical discipline preferred.
• Strong hands-on experience with Windows Server 2019 and Windows Server 2016.

Responsibilities

• Manage and maintain virtual Windows servers in AWS infrastructure.
• Monitor server health, performance, and availability daily.
• Patch and update Windows Server environments; coordinate maintenance windows.
• Troubleshoot outages for servers and applications including lab order-processing systems.
• Support PKI certificate renewal and administration.

Skills

Windows Server administration

AWS

Troubleshooting

Communication

Education

Bachelor's degree in CS/IT/Engineering

Tools

Windows Server 2019

Windows Server 2016

PKI management

Job description

Vosper Thornycroft Group is seeking an experienced Windows Systems Administrator to manage Windows-based server environments hosted in AWS. The role emphasizes security, patching, monitoring, and rapid outage response across development, test, and production environments.

The successful candidate will administer Windows Server 2016/2019, manage PKI certificates and administrative accounts, and collaborate with laboratory staff and end users to resolve issues.