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Systems Administrator II (Windows)

Astrion
Dahlgren, VA Full Time
POSTED ON 10/22/2026
AVAILABLE BEFORE 11/27/2026
Overview

SENIOR PROGRAM MANAGER

LOCATION: Dahlgren, VA

JOB STATUS: Full-time

CLEARANCE: TOP SECRET

CERTIFICATION: N/A

TRAVEL: Limited; as needed

Astrion has five (5) contingent openings for Systems Administrator IIs supporting U.S. Navy enterprise information technology operations located in Dahlgren, VA. This position will provide on-site administration, maintenance, security, and technical support for Windows-based networks, servers, software systems, and associated infrastructure.

Required Qualifications / Skills

  • 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.

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.
  • Four or more years of professional experience administering Windows networks, operating systems, and software systems.
  • 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.
  • Must meet DoD Information Assurance Technician Level II workforce requirements.
  • Must be able to support full-time, on-site performance in Dahlgren, VA.

Desired 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.

Salary.com Estimation for Systems Administrator II (Windows) in Dahlgren, VA
$89,187 to $113,088
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