Senior Network Security Architect - Global Firewall Strategy

Ascension; St. Louis (MO); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Health coverage

401(k) employer match

Paid time off and holidays

Tuition reimbursement

Employee Assistance Program

Parental leave

Job summary

Ascension is seeking a Senior Network Security Architect to lead enterprise security architecture and governance in St. Louis. You will oversee firewall ecosystems (Palo Alto, Fortinet) and NAC deployments (Cisco ISE, Aruba ClearPass).

The role requires extensive experience in network engineering and leadership, with cross-functional collaboration across cloud, infrastructure, and business teams to align security with organizational goals.

Qualifications

• 10+ years of network engineering experience with 5+ years in security architecture.
• Experience with Palo Alto, Fortinet, Cisco ISE, Aruba ClearPass.
• Deep expertise in firewall operations, policy segmentation, and VPN technologies.

Responsibilities

• Lead global network security architecture and governance.
• Oversee lifecycle of firewall ecosystems and NAC deployments.
• Partner with cloud, infrastructure, and business teams to align strategies.

Skills

Network engineering

Network security architecture

Firewall operations

Policy segmentation

Authentication protocols

IPSec/SSL VPN

Education

High School diploma equivalency

Associate's degree/Bachelor's degree

Tools

Palo Alto Networks

Fortinet

Cisco ISE

Aruba ClearPass

CISSP

CCIE Security

Palo Alto PCNSE/PCNSC

Fortinet NSE 7/8

Job description

Ascension is seeking a Senior Network Security Architect to lead enterprise security architecture and governance in St. Louis. You will oversee firewall ecosystems (Palo Alto, Fortinet) and NAC deployments (Cisco ISE, Aruba ClearPass).

The role requires extensive experience in network engineering and leadership, with cross-functional collaboration across cloud, infrastructure, and business teams to align security with organizational goals.