Senior Network Security Engineer

Ascension•Remote,

1d•$116,413 - $162,273•Remote

About The Position

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
Fortinet security platforms
Cisco ISE and/or Aruba ClearPass
Strong knowledge of: Firewall operations, policy management, and segmentation
Authentication protocols (802.1X, RADIUS, TACACS+)
VPN technologies (IPSec, SSL VPN)
Demonstrated ability to troubleshoot complex, multi-layered issues under pressure

Nice To Haves

2 years of leadership or management experience preferred.
Fortinet NSE (NSE 4 or higher) – strongly preferred
Additional certifications are a plus: Aruba
Cisco (security-related)
Industry certifications such as CISSP or equivalent
Palo Alto PCNSE (or equivalent level)

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.