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# Sr. Network Administrator

- **Company:** ASGN Incorporated
- **Location:** Fort Meade, MD, United States
- **Experience:** Expert
- **Salary:** $124,800.0 - $135,200.0
- **Contract:** Permanent contract
- **Skills:** Command-Line Interface, Configuration Management, Computer Networks, System Configuration, Networking Hardware, Network Troubleshooting, Linux System Administration, Network Architecture, Network Connections, Remote Service Software, Firewalls (Computer Science), Computer Equipment, Firewall Services Module
- **Published:** August 7, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9080993/sr-network-administrator

## About the Role

* 8+ years of overall experience and a Bachelors degree. Other level of degrees will be accepted with correlating years of experience.
 * Sec+ certification or other DoD 8140 certification
 * Hands-on experience administering and troubleshooting enterprise firewall environments.
 * Experience configuring and supporting Palo Alto Firewalls.
Travel Requirements

 * Up to 10% travel, including occasional visits to customer or operational sites across the United States.
 * Additional travel may be required during critical network or power outage events, though occurrences are infrequent.

## Description

We are seeking an experienced Senior Network Administrator with 8+ years of experience supporting enterprise network environments. This role will be responsible for network infrastructure administration, firewall configuration and troubleshooting, hardware configuration management, and Linux-based systems support. The ideal candidate will have strong experience with Palo Alto firewalls, network troubleshooting, and systems administration within complex environments.
Key Responsibilities

 * Administer, configure, and maintain enterprise network infrastructure and connected hardware devices.
 * Perform configuration management activities for network and infrastructure hardware.
 * Troubleshoot, maintain, and optimize network connectivity, performance, and security.
 * Configure, deploy, and support Palo Alto firewalls, including firewall policy management, upgrades, and troubleshooting.
 * Support initiatives to enable remote service capabilities through firewall technologies and security solutions.
 * Build, maintain, and troubleshoot network infrastructure components and security appliances.
 * Provide Linux systems administration support utilizing command-line tools and scripting.
 * Assist with the deployment, administration, and future expansion of Trellix server environments.
 * Participate in network hardware installation and infrastructure refresh projects.
 * Respond to and resolve network outages, connectivity issues, and infrastructure incidents.
 * Collaborate with engineering and operations teams to ensure secure and reliable network performance.
 * Create and maintain technical documentation, procedures, and configuration records.


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