Systems Administrator II [Windows]

About the role

Astrion has five (5) contingent openings for Systems Administrator IIs supporting U.S. Navy enterprise information technology operations located in Dahlgren, VA. The position is full‑time, requires an active DoD Top Secret clearance, and involves limited travel as needed. The role provides on‑site administration, maintenance, security, and technical support for Windows‑based networks, servers, software systems, and associated infrastructure.

Responsibilities

• Administer and maintain Windows networks, servers, operating systems, and software applications supporting mission-critical Navy operations.
• Install, configure, and sustain computer hardware, Windows operating systems, Commercial Off-the-Shelf software, network accounts, and system services.
• Perform system backup and recovery, software management, security management, library management, and resource allocation.
• Monitor system configurations, availability, capacity, and performance; conduct system sizing, tuning, and optimization.
• Troubleshoot and resolve hardware, software, operating system, network, and user-access issues.
• Maintain proficiency with network protocols, including TCP/IP, and support secure connectivity within enterprise network environments.
• Configure and maintain network security tools, including firewalls, antivirus capabilities, and intrusion-detection services.
• Identify and respond to computing and networking vulnerabilities using current detection and mitigation methods.
• Develop system specifications, technical documentation, operating procedures, and configuration records.
• Conduct market research and support procurement activities for hardware, software, and related IT resources.
• Assist customers with information technology issues and provide instruction on applicable computer systems and applications.

Requirements

• Must be a US Citizen.
• Four or more years of professional experience administering Windows networks, operating systems, and software systems.
• Must possess an active DoD Top Secret security clearance and be able to maintain the required clearance and background-investigation eligibility.
• Must maintain compliance with applicable DoD Cyber Workforce requirements, including the required Information Assurance Technician Level II designation.

Qualifications

• Bachelor’s degree in Electrical Engineering, Electronics Engineering, Computer Engineering, Computer Science, Information Systems, or a related technical discipline.
• CompTIA Security+ certification.
• Additional certifications or training such as CompTIA A+, Network+, Microsoft Certified Solutions Associate, VMware Certified Professional, or comparable Microsoft, virtualization, networking, or cybersecurity credentials.
• Experience supporting DoD or U.S. Navy information technology environments.
• Experience developing system specifications and conducting technical market research for IT procurements.
• Experience operating within configuration-management, cybersecurity, and change-control processes.

Skills

• Windows system administration.
• System backup and recovery.
• Hardware and software installation and configuration.
• Security and software-management practices.
• System sizing, performance tuning, troubleshooting, and resource allocation.
• TCP/IP and other enterprise network protocols.
• Firewalls and other network-security tools.
• Computing and networking vulnerabilities and detection methods.
• Meets DoD Information Assurance Technician Level II workforce requirements.