Location
In office (Saint Louis)
Seniority
Senior · 8+ years exp
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Oct 8, 2026.
Overview
Company
Impact
Profile match
Ascension is a nonprofit Catholic health system headquartered in St. Louis, Missouri, that runs hospitals, clinics, pharmacies and other care sites across the United States. Founded in 1999, it reports more than 98,000 associates, 27,000 aligned providers and 91 hospitals, with regional systems in Florida, Illinois, Indiana, Kansas, Maryland, Oklahoma, Tennessee, Texas and Wisconsin. It hires patient care and pharmacy technicians, nurses and student nurse interns, front office and scheduling staff, emergency medical technicians and dispatchers, and IT, data and human resources specialists.
- Location: Remote
- Department: Core Tech Network
- Schedule: Days | Full-Time
- 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/RADIUS/TACACS+, and IPSec/SSL VPNs.
Education:
- 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.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,109,363 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Free forever. No card. Under a minute.
Recommended for you based on this role
Security
Similar stack
Same company
Saint Louis
Cyber Analytics Application Engineer
3 days ago
$104k – $218k per year · In office · TS/SCI · Full-Time · 8+ years exp · High School Diploma · United States
Python
Python
pySpark
AI/ML
Spark
DevOps
AWS
AWS Lambda
Cybersecurity
Nessus
Management
Agile
Scrum
Apply
Equity · Remote (United States) · Full-Time · 5+ years exp · United States
AI/ML
Red Teaming
DevOps
Linux
Windows
Unix
Cybersecurity
Burp Suite
Metasploit
Crowdstrike
Nmap
Nessus
Cobalt Strike
MITRE ATT&CK
Apply
Information Security Analyst Senior
1 hour ago
$77k – $101k per year · In office · Secret · Full-Time · 7+ years exp · United States
SQL
DevOps
VMWare
Hyper-V
DNS
Cybersecurity
Active Directory
Apply
Senior Manager, Cybersecurity Operations
1 hour ago
$140k – $211k per year · In office · 7+ years exp · Bachelor's Degree · Charlotte
Cybersecurity
SIEM
Apply
Real Time Cyber Security Specialist
1 day ago
$99k – $151k per year · In office · Full-Time · 7+ years exp · High School Diploma · Albany · Shreveport · Corpus Christi
Cybersecurity
Active Directory
Apply
Senior DevSecOps Engineer (TS/SCI)
1 day ago
$140k – $200k per year · In office · TS/SCI · Full-Time · 8+ years exp · Bachelor's Degree · Herndon · Saint Louis · Westminster
Databases
ElasticSearch
AI/ML
Hadoop
DevOps
Rest API
OpenShift
Chef
ArgoCD
Kubernetes
GitLab
Linux
Management
Agile
Apply
Apply
Apply
Security Guard Incident Documentation
1 day ago
$36k per year · In office · 2+ years exp · High School Diploma · Saint Louis
Apply
In office · Saint Louis
Apply
This is one of many
2,109,363 more open roles from verified company boards, updated every day.

