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# Senior Network Security Engineer

- **Company:** Ascension
- **Location:** Berkeley, MO, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** IEEE 802.1X, Computer Networks, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Security, Transport Layer Security, Identity Services Engine, Network Access Control, Firewalls (Computer Science), Fortinet, Cisco
- **Published:** November 7, 2026
- **Apply:** https://www.dice.com/job-detail/8d6b1053-bf20-44b5-bb25-b52acd21a027

## About the Role

* 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.

Additional Preferences:

 * 8"10+ years of enterprise network/security engineering experience, with proven expertise troubleshooting complex, multi-layered issues under pressure in large-scale environments.
 * Preferred certifications: Palo Alto PCNSE, Fortinet NSE (4 or higher), CISSP, and security-focused credentials from Cisco or Aruba., * 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., * 810+ years of enterprise network/security engineering experience, with proven expertise troubleshooting complex, multi-layered issues under pressure in large-scale environments.
 * Preferred certifications: Palo Alto PCNSE, Fortinet NSE (4 or higher), CISSP, and security-focused credentials from Cisco or Aruba.

## Description

* Drive continuous improvement of the security environment through policy optimization, segmentation initiatives, automation, and operational enhancements across Palo Alto, Fortinet, and NAC platforms.
 * 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.
 * 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.
 * Deep technical proficiency in Palo Alto firewalls, Fortinet platforms, and Cisco ISE/Aruba ClearPass, covering firewall operations, policy segmentation, 802.1X/RADITACACS+, and IPSec/SSL VPNs., How you'll make an impact in this role

 * Drive continuous improvement of the security environment through policy optimization, segmentation initiatives, automation, and operational enhancements across Palo Alto, Fortinet, and NAC platforms.
 * 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.
 * 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.
 * Deep technical proficiency in Palo Alto firewalls, Fortinet platforms, and Cisco ISE/Aruba ClearPass, covering firewall operations, policy segmentation, 802.1X/RADITACACS+, and IPSec/SSL VPNs.