Network Security Administrator Phoenix, AZ

Network Security Administrator

We are looking for a Network Security Administrator to support and strengthen enterprise security operations in Phoenix, Arizona. This long-term contract position focuses on protecting network infrastructure, improving application and cyber security practices, and maintaining effective threat monitoring across the environment. The ideal candidate will bring hands-on experience with security platforms and firewalls while helping ensure a resilient and well-governed security posture.

Responsibilities:

• Administer and enhance network security controls to safeguard enterprise systems, applications, and data assets.
• Configure, monitor, and maintain SIEM tools to identify suspicious activity, investigate alerts, and support timely incident response.
• Manage and optimize Palo Alto firewalls and related security policies to enforce secure connectivity across the organization.
• Support application security efforts by reviewing risks, recommending protections, and collaborating with technical teams on remediation.
• Oversee enterprise security measures across network environments, ensuring alignment with security standards and operational needs.
• Troubleshoot security-related network issues and implement corrective actions to maintain availability and protection.
• Work with Aruba networking technologies to support secure access, segmentation, and overall infrastructure performance.
• Document security configurations, procedures, and findings to promote consistency, audit readiness, and knowledge sharing.