> Markdown version of [/jobs/ext/4522357-network-systems-admin](https://www.wearedevelopers.com/jobs/ext/4522357-network-systems-admin). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Network/ Systems Admin

- **Company:** Insight Global
- **Location:** Mesa, AZ, United States
- **Experience:** Experienced
- **Salary:** $124,800.0 - $133,120.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Systems Engineering, Configuration Management, Cyber Security, Computer Networks, System Configuration, Linux, Network Troubleshooting, Network Layer, Windows Servers, Network Architecture, Red Hat Enterprise Linux, Wireshark, Virtualization Technology, Information Technology, Patch Management, Network Server, User Accounts
- **Published:** November 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9273511/network-systems-admin

## About the Role

Active Secret Security Clearance (or ability to maintain one)
-DoD 8570 IAT Level II Certification (Security+ CE or equivalent)
-6+ years of relevant IT infrastructure, systems engineering, or systems administration experience with a Bachelor's degree; 4+ years with a Master's; or 10+ years of experience in lieu of a degree
-Strong Windows Server administration and support experience
-Experience troubleshooting and maintaining enterprise IT infrastructure and multi-user systems
-Experience with system hardening, cybersecurity compliance, and Security Technical Implementation Guides (STIGs)
-Experience with software installation, patch management, security updates, and configuration management
-Understanding of Layer 2 and Layer 3 networking concepts
-Experience analyzing network traffic and troubleshooting connectivity issues using Wireshark or similar tools
-Experience supporting and troubleshooting networked environments, servers, and infrastructure systems
-Ability to work in a classified DoD environment and support mission-critical training systems
-Ability to collaborate with systems administrators, technicians, cybersecurity personnel, and engineering teams

## Description

Insight Global is seeking a Secret Systems Engineer to support a federal client in Mesa, AZ. This person will support the F-16 Mission Tactics Trainer environment, ensuring the simulator infrastructure remains operational, secure, and compliant. While the title is Network Engineer, the day-to-day is more focused on systems and infrastructure support within an existing Windows-based environment, with some Linux exposure and network troubleshooting responsibilities. Responsibilities include, but are not limited to:
-Administer and support Windows Server environments.
-Maintain Active Directory, user accounts, permissions, and system configurations.
-Support virtualized infrastructure and simulator systems.
-Apply patches, security updates, STIG requirements, and cybersecurity controls.
-Troubleshoot system, server, and network issues impacting simulator operations.
-Analyze connectivity and network performance issues using tools such as Wireshark.
-Support existing network infrastructure and assist with network testing activities.
-Work with system administrators, technicians, and engineers to maintain the training environment.
-Respond to trouble tickets and resolve infrastructure-related issues.
-Assist with configuration management and documentation.
-Support occasional Linux/RHEL systems within the environment.