Senior Network Security Engineer

Ascension is a leading nonprofit Catholic health system with a culture and associate experience grounded in service, growth, care and connection. They are seeking a Senior Network Security Engineer to own and optimize the organization's core network security platforms, serving as the senior technical escalation point for complex security issues and driving continuous improvement of the security environment.

Responsibilities:

• Own and optimize the organization's core network security platforms, ensuring the availability, performance, and protection of critical systems across a large-scale enterprise environment
• Serve as the senior technical escalation point for complex security, firewall, and network access control issues, leading root-cause analysis, incident response, and problem resolution efforts
• Drive continuous improvement of the security environment through policy optimization, segmentation initiatives, automation, and operational enhancements across Palo Alto, Fortinet, and NAC platforms

Requirements:

• High School diploma equivalency with 2 years of cumulative experience OR Associate's degree/Bachelor's degree with 1 year of experience OR 5 years of applicable cumulative job specific experience required
• 8–10+ years of hands-on experience in network/security engineering
• Proven experience operating in large-scale, enterprise environments
• Deep, hands-on expertise with Palo Alto Networks firewalls
• Deep, hands-on expertise with Fortinet security platforms
• Deep, hands-on expertise with Cisco ISE and/or Aruba ClearPass
• Strong knowledge of Firewall operations, policy management, and segmentation
• Strong knowledge of Authentication protocols (802.1X, RADIUS, TACACS+)
• Strong knowledge of VPN technologies (IPSec, SSL VPN)
• Demonstrated ability to troubleshoot complex, multi-layered issues under pressure
• 2 years of leadership or management experience preferred