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Network Administrator
- Arlington, Texas, United States
- Arlington, Texas, United States
Über
The selected candidate will support network performance, availability, configuration management, and security compliance across enterprise systems.
Work Location On-site in Arlington, VA, Monday – Friday, 6:00 am to 2:30 pm; on call and outage response based upon the needs and direction of the customer.
Essential Duties and Responsibilities
Monitor, troubleshoot, and support enterprise network infrastructure within a DoD environment.
Use SolarWinds to monitor network health, identify outages, review alerts, validate device status, and support network performance reporting.
Support Cisco DNA Center / DNAC for network visibility, device management, troubleshooting, assurance, and operational monitoring.
Use Forescout to support device visibility, endpoint identification, access control awareness, and network asset tracking.
Update, configure, and maintain network switches, including firmware, IOS\/software updates, configuration backups, and operational validation.
Perform troubleshooting for network connectivity, VLANs, switch ports, routing issues, device reachability, and network performance problems.
Support STIG compliance activities for network switches and Windows servers.
Apply security hardening requirements in accordance with DoD STIGs, cybersecurity policies, and operational guidance.
Maintain and update Windows servers, including patching, vulnerability remediation, security configuration, and system validation.
Assist with vulnerability management, remediation tracking, scan review, and technical corrective actions.
Document network changes, troubleshooting actions, system updates, and compliance activities.
Support change management processes and ensure all updates are properly coordinated and approved.
Work with network engineers, system administrators, cybersecurity personnel, ISSOs/ISSMs, and government stakeholders.
Assist with maintaining accurate network diagrams, asset inventories, and technical records.
Respond to network outages, alerts, performance issues, and operational incidents as required.
Additional duties as required.
Basic Required Qualifications and Skills
High school diploma or equivalent.
At start date, must possess one of the following IAT level II certification in ACTIVE status:
CompTIA Security+
CCNA
Network+
Microsoft Windows Server certification
DoD 8570 / 8140 compliant certification as required by the contract
Experience supporting DoD or federal network environments.
Hands‑on experience with SolarWinds network monitoring and alert review.
Working knowledge of Cisco DNA Center / DNAC.
Experience using Forescout for network visibility, device identification, or access control support.
Experience updating and maintaining network switches.
Knowledge of Cisco switching, VLANs, trunking, port security, routing basics, and network troubleshooting.
Familiarity with DISA STIGs for network devices and Windows servers.
Ability to support STIG implementation, validation, remediation, and documentation.
Understanding of cybersecurity compliance, vulnerability remediation, and DoD security requirements.
Ability to create and read technical documentation, network diagrams, switch configurations
Desired Qualifications and Skills
Top Secret/SCI clearance.
Experience with Cisco switches, routers, and enterprise network infrastructure.
Experience supporting SIPR/NIPR or similar DoD network environments.
Familiarity with ACAS/Tenable, SCAP, eMASS, STIG Viewer, or vulnerability management tools.
Experience with change management and incident response processes.
Knowledge of Active Directory, DNS, DHCP, Group Policy, and Windows Server security settings.
Experience creating technical reports, outage summaries, and network status updates.
Experience with Windows Server administration, patching, updates, and basic troubleshooting.
Background Information We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.
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Sprachkenntnisse
- English
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