Key skills
Palo Alto Networks firewallsFortinet security platformsCisco ISEAruba ClearPassFirewall operationsPolicy managementNetwork segmentationAuthentication protocols 802.1XRADIUSTACACS+VPN technologies IPSecVPN technologies SSL VPNPalo Alto PCNSE certificationFortinet NSE certificationCISSP certificationTroubleshooting under pressureLeadershipNetwork SecurityFirewall
About this role
Ascension is a leading nonprofit Catholic health system dedicated to reimagining healthcare. The Senior Network Security Engineer will own and optimize the organization's core network security platforms, serve as a senior technical escalation point for security issues, and drive 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
- 2 years of leadership or management experience preferred
- 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
- Palo Alto PCNSE (or equivalent level)
- Fortinet NSE (NSE 4 or higher) - strongly preferred
- Additional certifications are a plus: Aruba
- Additional certifications are a plus: Cisco (security-related)
- Additional certifications are a plus: Industry certifications such as CISSP or equivalent