Windows System Administrator

Booz Allen Hamilton • McLean, VA

1d

About The Position

As a Senior Windows Systems Administrator, you will support the reliability, security, and optimization of enterprise infrastructure within the Department of Veterans Affairs’ environment. You will administer, monitor, and maintain Windows-centric enterprise systems, supporting Linux dependencies, storage platforms, backup solutions, and reporting tools that enable mission-critical applications and data services. In this role, you will maintain a holistic understanding of applications, operating systems, hardware, and software dependencies. You will provide guidance on overall system design, support network and infrastructure integration, manage patching and lifecycle updates across lower environments while supporting production stability as needed. You will troubleshoot complex issues to meet customer needs and serve as backup support to the lead System Administrator and Architect, ensuring continuity of operations and reducing reliance on a single technical resource, particularly as the program evolves toward hybrid and cloud-native architecture patterns. You will work closely with application teams, infrastructure engineers, and security stakeholders to ensure system availability, performance, and compliance. This includes managing on-premises and hybrid infrastructure, proactively identifying risks, and implementing improvements that enhance stability, security, and operational efficiency across the environment.

Requirements

• 6+ years of experience administering and supporting Windows and Linux systems, including system configuration, operational procedures, performance tuning, troubleshooting, and lifecycle management
• 5+ years of experience supporting enterprise infrastructure environments, including servers, storage, backup, and monitoring platforms
• Experience administering Windows-based enterprise systems and storage platforms using HP Storage Essentials, 3PAR, and EVA performance tooling to monitor availability, utilization, and capacity
• Experience managing SAN environments using HP B-Series SAN Network Advisor to ensure reliable connectivity, optimal throughput, and fault resolution
• Experience implementing and maintaining enterprise backup and recovery solutions using HP Data Protector, Microsoft DPM, and Commvault for data protection, disaster recovery, and compliance
• Experience with enterprise monitoring and reporting tools, including SolarWinds, HP Report Optimizer, and Crystal Reports
• Experience supporting and troubleshooting application integration and reporting platforms, including SAP XI and Crystal Reports, and implementing and maintaining remote monitoring and support tools, including HP Insight Remote Support
• Experience with scripting and automation using tools such as PowerShell or Bash
• Public Trust
• Bachelor's degree

Nice To Haves

• Experience supporting regulated or government environments, including compliance with federal security and audit requirements
• Experience administering RHEL, CentOS, and Linux-based SAS 9.x environments
• Experience supporting Hadoop 3.x platforms in enterprise or analytical environments
• Experience with Microsoft Forefront Threat Management Gateway (TMG) and enterprise perimeter security controls
• Experience supporting data analytics or reporting platforms in large-scale enterprise environments
• Experience working with cross-functional application and infrastructure teams to resolve complex system issues
• Experience supporting legacy and modernized systems in transition or hybrid environments
• Knowledge of storage networking concepts, SAN architectures, and performance optimization
• Ability to provide operational leadership and mentorship to junior administrators
• Possession of strong verbal and written communication skills

Responsibilities

• Support the reliability, security, and optimization of enterprise infrastructure within the Department of Veterans Affairs’ environment
• Administer, monitor, and maintain Windows-centric enterprise systems, supporting Linux dependencies, storage platforms, backup solutions, and reporting tools that enable mission-critical applications and data services
• Maintain a holistic understanding of applications, operating systems, hardware, and software dependencies
• Provide guidance on overall system design
• Support network and infrastructure integration
• Manage patching and lifecycle updates across lower environments while supporting production stability as needed
• Troubleshoot complex issues to meet customer needs
• Serve as backup support to the lead System Administrator and Architect, ensuring continuity of operations and reducing reliance on a single technical resource
• Work closely with application teams, infrastructure engineers, and security stakeholders to ensure system availability, performance, and compliance
• Manage on-premises and hybrid infrastructure
• Proactively identify risks and implement improvements that enhance stability, security, and operational efficiency across the environment

Benefits

• health benefits
• life benefits
• disability benefits
• financial benefits
• retirement benefits
• paid leave
• professional development
• tuition assistance
• work-life programs
• dependent care
• recognition awards program

What This Job Offers

• Career Level: Senior
• Number of Employees: 5,001-10,000 employees