Install, configure, secure, and manage AWS GovCloud-based virtualized environments, including servers, applications, and storage systems
Monitor system performance, resource utilization, and connectivity across IL2–IL5 enclaves to ensure continuous operational availability
Perform routine system health checks, including log analysis, service validation, and backup verification
Apply system hardening standards (STIG/SRG) to ensure compliance with DoD and DISA security baselines
Develop and maintain patch management procedures for operating systems, middleware, and storage infrastructure
Implement automation scripts and configuration management using tools such as Ansible, PowerShell, or AWS Systems Manager
Collaborate with network and security engineers to diagnose and resolve Tier 3 technical issues affecting mission-critical operations
Support disaster recovery and business continuity plans, including backup validation and restoration testing
Maintain system documentation, SOPs, and architectural diagrams in accordance with configuration management policies
Participate in Change Advisory Boards (CABs) and contribute to configuration control and release planning
Support continuous improvement activities by evaluating system performance data and recommending optimizations
Coordinate with cloud hosting teams to ensure redundancy, scalability, and compliance across production and non-production environments

Bachelor’s degree in Computer Science, Information Technology, or related field
Minimum 7 years of experience in system administration or operations support for large-scale enterprise or defense environments
Experience managing systems within AWS GovCloud or equivalent DoD cloud infrastructures
Strong proficiency with Windows Server and Linux administration, including configuration, hardening, and monitoring
Knowledge of Active Directory, Group Policy, DNS, and certificate management
Familiarity with AWS services (EC2, RDS, S3, VPC) and associated management tools
Experience implementing DISA STIGs, patch management, and compliance scanning (e.g., ACAS, Tenable)
Working knowledge of backup and recovery solutions, performance tuning, and system automation
Understanding of ITIL and DevSecOps practices for integrated sustainment and change control
CompTIA Security+ CE or equivalent DoD 8570/8140 baseline certification preferred
Microsoft Certified: System Administrator (MCSA) or AWS Certified SysOps Administrator preferred
ITIL Foundation certification preferred

Senior System Administrator

Key skills