remote
Unclassified System Administrator McKinney, Texas - Raytheon
Systems Engineer
Lead system administration for a secure defense environment, managing Windows and Linux servers, networking, and virtualization while ensuring compliance with DoD Secret clearance requirements.
About the role
Key Responsibilities
- Maintain and troubleshoot Windows Server and Linux environments, ensuring high availability and performance.
- Configure and manage network infrastructure, including firewalls, switches, and VPNs, to support secure communications.
- Implement and enforce security policies, conduct vulnerability assessments, and apply patches to meet DoD standards.
- Deploy and manage virtualized workloads using Hyper‑V or VMware, optimizing resource utilization.
- Automate routine tasks with PowerShell and Bash scripts, improving efficiency and reducing errors.
- Collaborate with cross‑functional teams to support mission‑critical applications and infrastructure upgrades.
Requirements
- Minimum 5 years of experience in system administration for enterprise or defense environments.
- Proficiency with Windows Server, Linux distributions, and virtualization platforms.
- Strong networking knowledge (TCP/IP, routing, VPN, firewall configuration).
- Experience with security best practices, including patch management and vulnerability remediation.
- U.S. citizenship and active DoD Secret clearance required.
Skills
windows serverlinux