Systems Administrator

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.

Job overview.

The System Administrator is responsible for setting up, maintaining, and supporting IT infrastructure and system components, including hardware, software, networks, virtualization platforms (VMWare preferred), servers, security tools, email systems, and user management within a SAP environment. This role ensures high availability, security, data integrity, and optimal performance for the organization's mission-critical systems, while adhering to established policies, standards, and best practices.

System and Server Administration
• Install, configure, update, and manage servers (physical and virtual), storage, and network resources.
• Deploy, support, manage, and maintain VMWare vSphere environments, including ESXi hosts, vCenter, clusters, virtual machines, and networking components.
• Install, configure, and manage Windows servers and other operating systems within VMWare and physical environments.
• Plan, execute, and verify data redundancy, system backups, snapshots, restores, and disaster recovery testing.
• Troubleshoot and resolve hardware, software, system, and network issues; recover failed systems.
• Perform repairs on faulty system/server hardware and monitor system/server configuration and interoperability.
• Perform routine and scheduled audits of all systems, including backups.
• Security and Compliance
• Implement and enforce IT and security policies, standards, and procedures; comply with organizational security controls and document systems administration practices.
• Apply system and network hardening techniques, maintain baseline system security (STIGs), and manage patches, updates, and VMWare security hardening standards.
• User and Resource Management
• Establish and manage user accounts, network rights, and access to systems and equipment.
• Handle user/group administration, security permissions, and group policies; support identity and access management.
• Monitoring and Optimization
• Monitor and optimize system/server performance, availability, capacity, and serviceability; analyze resource utilization and perform proactive troubleshooting.
• Use performance tuning tools and techniques; monitor data-center health and respond to hardware issues.
• Documentation and Collaboration
• Develop, document, and maintain standard operating procedures, virtualization documentation, diagrams, and guidelines.
• Collaborate with internal and external partners, IT, and application teams to provision resources, coordinate projects, and communicate status and achievements.
• Automation and Innovation
• Assist in the automation and orchestration of provisioning and operational tasks (e.g., scripting using PowerCLI, PowerShell).
• Enable smarter and faster business processes and develop analytics for meaningful insights.
• Technical Support
• Provide expert technical support, assist in root cause analysis, and respond to system emergencies as required.
• Support the maintenance of internal infrastructure, including desktop and laptop computers, printers, phones, routers, switches, firewalls, and internet/intranet/LAN/WAN/network segments.

• Bachelor's degree in information technology, Computer Science, or related field (or equivalent experience)
• Active Top Secret clearance with SCI eligibility
• Minimum 3+ years of hands-on experience in system administration
• Experience with VMWare vSphere (ESXi, vCenter, vMotion, DRS, HA, etc.)
• Proficiency in managing Windows servers in a virtualized environment
• Familiarity with automation/scripting (PowerShell, PowerCLI)
• VMWare certification (e.g., VCP-DCV) preferred
• Excellent analytical and troubleshooting skills

Clearance

• Active Top Secret clearance with SCI eligibility

Certification

• CompTIA Security+ certification (minimum required)