Senior Network Security Engineer – Remote (United States). Location: Remote. Department: Core Tech Network. Schedule: 8-hour shifts, Monday–Friday. Salary: $116,413 - $162,273 per year. The role owns and optimizes the organization's core network security platforms to ensure availability, performance, and protection of critical systems across a large-scale enterprise. You will act as the senior technical escalation point for complex security, firewall, and network access control issues, leading root-cause analysis, incident response, and problem resolution. You will drive continuous improvement of the security environment through policy optimization, segmentation initiatives, automation, and operational enhancements across Palo Alto, Fortinet, and NAC platforms. Qualifications include 8–10+ years of hands-on experience in network/security engineering in large-scale enterprises; deep hands-on expertise with Palo Alto Networks firewalls, Fortinet security platforms, Cisco ISE and/or Aruba ClearPass; strong knowledge of firewall operations, policy management, segmentation; authentication protocols (802.1X, RADIUS, TACACS+); VPN technologies (IPSec, SSL VPN); demonstrated ability to troubleshoot complex, multi-layered issues under pressure. Certifications such as Palo Alto PCNSE (or equivalent) and Fortinet NSE (NSE 4 or higher) are strongly preferred; additional certifications such as Aruba, Cisco (security), CISSP or equivalent are a plus. About Ascension: Ascension is a leading nonprofit Catholic health system with a culture of service, growth, care, and connection. We empowe

Senior Network Security Engineer – Remote (United States). Location: Remote. Department: Core Tech Network. Schedule: 8-hour shifts, Monday–Friday. Salary: $116,413 - $162,273 per year. The role owns and optimizes the organization's core network security platforms to ensure availability, performance, and protection of critical systems across a large-scale enterprise. You will act as the senior technical escalation point for complex security, firewall, and network access control issues, leading root-cause analysis, incident response, and problem resolution. You will drive continuous improvement of the security environment through policy optimization, segmentation initiatives, automation, and operational enhancements across Palo Alto, Fortinet, and NAC platforms. Qualifications include 8–10+ years of hands-on experience in network/security engineering in large-scale enterprises; deep hands-on expertise with Palo Alto Networks firewalls, Fortinet security platforms, Cisco ISE and/or Aruba ClearPass; strong knowledge of firewall operations, policy management, segmentation; authentication protocols (802.1X, RADIUS, TACACS+); VPN technologies (IPSec, SSL VPN); demonstrated ability to troubleshoot complex, multi-layered issues under pressure. Certifications such as Palo Alto PCNSE (or equivalent) and Fortinet NSE (NSE 4 or higher) are strongly preferred; additional certifications such as Aruba, Cisco (security), CISSP or equivalent are a plus. About Ascension: Ascension is a leading nonprofit Catholic health system with a culture of service, growth, care, and connection. We empowe