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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Network Engineer - **Company:** Zelis Healthcare - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Salary:** $127,000 - $160,550 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Cyber Security, Data Centers, Enhanced Interior Gateway Routing Protocol, Hot Standby Router Protocol, Intrusion Detection Systems, IP Routing, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Network Security, Network Architecture, Network Administration, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Zero Trust Network Access, Virtual Router Redundancy Protocols, Network Routers, Load Balancing, System Availability, Multi-Cloud, Reliability of Systems, HybridCloud, Firewalls (Computer Science), Git, Infrastructure Automation Frameworks, Information Technology, Palo Alto Networks, Terraform, Multiplatform, Cisco - **Published:** November 12, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-network-engineer-saint-louis-mo--17ee5fdf-b375-4f12-abd0-ea012483aee4 ## About the Role Network Architecture/Engineering, Health Plan, Healthcare, Healthcare Providers, Problem Solving Skills, Multiplatform/Cross-Platform, Artificial Intelligence (AI), Power Amplifier, Network Administration/Management, Network Architecture/Engineering, The successful candidate will possess deep expertise in Palo Alto Networks Firewalls, Palo Alto Prisma SASE, AWS Networking, Cisco Routing & Switching, Network Security, Infrastructure Automation, and hybrid cloud connectivity solutions. Experience with cloud interconnection platforms such as Megaport is highly desirable., * Bachelor's degree in Computer Science, Engineering, Information Technology, or related field. * 10+ years of enterprise network engineering experience. * 5+ years leading architecture and modernization initiatives. * Expert-level Palo Alto Networks experience. * Advanced AWS networking expertise. * Strong Cisco routing and switching background. * Experience with Infrastructure-as-Code and automation. * Deep understanding of network security, segmentation, VPNs, IDS/IPS, and Zero Trust architectures. Preferred Qualifications * Experience with Megaport, Megaport Cloud Router (MCR), or similar Network-as-a-Service platforms. * Experience supporting hybrid-cloud and multi-cloud architectures. * Healthcare industry experience preferred. * Experience supporting HIPAA-regulated environments. Preferred Certifications * Palo Alto Networks Certified Network Security Engineer (PCNSE) * Palo Alto Prisma SASE Certification * AWS Advanced Networking Specialty * AWS Solutions Architect Professional * Cisco CCNP Enterprise * Cisco CCIE * CISSP Leadership Competencies * Strategic thinker with strong architectural vision. * Exceptional troubleshooting and analytical skills. * Strong communication and stakeholder management abilities. * Ability to influence technical direction across teams. * Passion for modernization, automation, and continuous improvement. * Proven ability to lead transformational initiatives. What Success Looks Like * Accelerated cloud adoption and modernization initiatives. * Increased network reliability, resiliency, and scalability. * Improved security posture through Zero Trust and modern security controls. * Reduced operational overhead through automation. * Successful delivery of strategic infrastructure transformation projects. ## Description The Principal Network Engineer will be responsible for the design, architecture, implementation, automation, and security of the organization''s enterprise network infrastructure across on-premises, cloud, and hybrid environments., Our teams are actively transforming the way technology is designed, deployed, and operated across the organization. Significant investments are being made across: * Cloud-first infrastructure and architecture * Application modernization initiatives * Enterprise automation and Infrastructure-as-Code * Cybersecurity and Zero Trust networking * Platform reliability, scalability, and resiliency * Digital transformation initiatives that directly support business growth As a Principal Network Engineer, you'll have the opportunity to influence enterprise-wide technology strategy and architecture decisions, lead modernization initiatives, partner with cloud, security, infrastructure, and application engineering teams, and mentor engineering talent across the organization., The Principal Network Engineer will be responsible for the design, architecture, implementation, automation, and security of the organization's enterprise network infrastructure across on-premises, cloud, and hybrid environments., * Design, implement, and support enterprise-wide network infrastructure. * Lead architecture reviews and network modernization initiatives. * Design and manage Palo Alto NGFW, Panorama, GlobalProtect, Prisma Access, and Prisma SASE solutions. * Implement Zero Trust Network Access (ZTNA) strategies. * Design AWS networking architectures including VPCs, Transit Gateway, Direct Connect, VPNs, Security Groups, Route Tables, and Load Balancers. * Design hybrid-cloud networking solutions connecting AWS, on-premises data centers, and third-party providers. * Leverage Megaport and similar cloud interconnection platforms to provide scalable and resilient connectivity. * Configure and troubleshoot Cisco routing and switching environments including BGP, OSPF, EIGRP, MPLS, QoS, HSRP/VRRP, and Nexus/Catalyst platforms. * Drive network automation using Python, Ansible, Terraform, APIs, and Git. * Mentor engineers and lead strategic infrastructure initiatives.