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Senior Network Architect Security

Ascension Calumet Hospital

Remote (US) · Posted October 8, 2026

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About the job

Design & Governance: Lead global, enterprise-wide network security architecture while defining and enforcing security standards and best practices.

Platform & Infrastructure Management: Oversee the lifecycle and optimization of core firewall ecosystems (Palo Alto, Fortinet) and NAC deployments (Cisco ISE, Aruba ClearPass).

Cross-Functional Alignment: Partner with cloud, infrastructure, and business teams to align network security strategies with broader organizational goals.

Education:

High School diploma equivalency with 5 years of applicable cumulative job specific experience required, with 2 of those years being in leadership/management OR Associate's degree/Bachelor's degree with 3 years of applicable cumulative job specific experience required, with 2 of those years being in leadership/management.

10+ years of network engineering experience, including 5+ years as a network security architect specializing in Palo Alto Networks, Fortinet platforms, Cisco ISE, and Aruba ClearPass.

Deep technical expertise across firewall operations and policy segmentation, authentication protocols (802.1X, RADIUS, TACACS+), and IPSec/SSL VPN technologies.

Preferred certifications: CISSP, CCIE Security, Palo Alto PCNSE/PCNSC, and Fortinet NSE 7/8.

Ascension is a leading nonprofit Catholic health system with a culture and associate experience grounded in service, growth, care and connection. We empower our 99,000+ associates to bring their skills and expertise every day to reimagining healthcare, together. Recognized as one of the Best 150+ Places to Work in Healthcare and a Military-Friendly Gold Employer, you'll find an inclusive and supportive environment where your contributions truly matter.

Equal employment opportunity employer

Ascension provides Equal Employment Opportunities (EEO) to all associates and applicants for employment without regard to race, color, religion, sex/gender, sexual orientation, gender identity or expression, pregnancy, childbirth, and related medical conditions, lactation, breastfeeding, national origin, citizenship, age, disability, genetic information, veteran status, marital status, all as defined by applicable law, and any other legally protected status or characteristic in accordance with applicable federal, state and local laws. For further information, view the EEO Know Your Rights (English) poster or EEO Know Your Rights (Spanish) poster.

Fraud prevention notice

Prospective applicants should be vigilant against fraudulent job offers and interview requests. Scammers may use sophisticated tactics to impersonate Ascension employees. To ensure your safety, please remember: Ascension will never ask for payment or to provide banking or financial information as part of the job application or hiring process, our legitimate email communications will always come from an @ascension.org email address; do not trust other domains, and an official offer will only be extended to candidates who have completed a job application through our authorized applicant tracking system.

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