Senior Windows Systems Administrator - AWS Gov Cloud

VTG; Springfield (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

VTG is seeking a Senior Windows Systems Administrator to support a government COTS platform in Springfield, VA. You will install and manage Windows servers within an AWS cloud, ensure security, and troubleshoot Tier 2/3 issues for mission-critical operations.

Strong emphasis on security, AWS services, and A&A compliance. Requires TS/SCI clearance with CI polygraph and Security+ or SecurityX certification. On-site role with federal environments.

Qualifications

• Senior-level Windows system administration for enterprise-scale COTS applications.
• Active Security+ or SecurityX certification.
• Experience scripting or automating tasks in AWS cloud environments.
• Active TS/SCI clearance with CI polygraph (or eligible).
• Experience with EC2, S3, IAM, VPC, CloudWatch; strong AD/GPO/DNS/DHCP knowledge.
• Ability to work with security leads and A&A processes to meet compliance.
• Excellent problem-solving and analytical skills for complex integrations.

Responsibilities

• Install, configure, and manage Windows servers hosting the COTS platform.
• Administer Windows servers in AWS, ensuring availability and secure operations.
• Collaborate with ISSO to implement security requirements in hosting environment.
• Support implementation, troubleshooting, and maintenance of the COTS platform.
• Manage infrastructure, configuration, security, and day-to-day operations.
• Monitor system health, tune performance, and escalate Tier 2/3 issues.
• Load OS, COTS software, and required components; resolve hardware and software issues.
• Troubleshoot network components to improve reliability and performance.
• Develop automation scripts for routine tasks; manage backups and DR plans.
• Conduct security assessments and apply patches to stay compliant.

Skills

Windows Server Admin

Security+ or SecurityX

AWS automation

TS/SCI with CI polygraph

AWS services EC2 S3 IAM VPC CloudWatch

Active Directory / GPO / DNS / DHCP

A&A compliance

Problem solving / analytical

Education

Bachelor’s degree in Computer Science / IT

Tools

CloudFormation

Job description

VTG is seeking a Senior Windows Systems Administrator to support a government COTS platform in Springfield, VA. You will install and manage Windows servers within an AWS cloud, ensure security, and troubleshoot Tier 2/3 issues for mission-critical operations.

Strong emphasis on security, AWS services, and A&A compliance. Requires TS/SCI clearance with CI polygraph and Security+ or SecurityX certification. On-site role with federal environments.