Infrastructure Engineering Senior Analyst, Networking - Cigna Healthcare

Cigna Healthcare • Missoula, MT

4d

About The Position

Help build and protect the network foundation that keeps Cigna Healthcare connected. The Infrastructure Engineering Senior Analyst, Networking brings deep technical judgment, curiosity, and a continuous-improvement mindset to a large-scale enterprise environment. The role partners across infrastructure, security, cloud, and application teams to strengthen performance, resilience, and secure access for critical business services.

The position designs, implements, and improves enterprise connectivity and supports network appliances and services. It monitors network health, diagnoses complex issues, strengthens security controls, and collaborates with internal teams and external providers on incidents, changes, and implementations. It also maintains operational documentation and recommends improvements that support reliability, security, performance, and efficiency.

For employees working at home occasionally or permanently, the internet connection must be through a cable broadband or fiber optic provider with speeds of at least 10 Mbps download and 5 Mbps upload.

Requirements

• At least 5 years of experience supporting, operating, and managing enterprise network infrastructure in large-scale environments.
• Hands-on experience with routing, switching, firewalls, load balancers, wireless networking, SD-WAN, and site-to-site and remote-access VPN technologies.
• Strong knowledge of TCP/IP, TCP/UDP ports, DNS, DHCP, VLANs, network segmentation, performance tuning, and secure network design.
• Experience diagnosing complex outages and performance issues, completing root-cause analysis, and supporting critical business services.
• Ability to work independently, communicate clearly, manage competing priorities, and collaborate across technical and business teams.
• Current CCNA certification.

Nice To Haves

• Bachelor's degree in computer science, information technology, or a related field.
• AWS networking or cloud certification; Azure or Oracle Cloud Infrastructure certification is also valued.
• Experience supporting data center, virtualization, cloud, and enterprise directory-services initiatives.
• Experience with network architecture planning, capacity analysis, technology refreshes, and formal change-management processes.

Responsibilities

• Design, implement, and improve enterprise LAN, WAN, SD-WAN, wireless, and remote-access solutions for reliable, scalable connectivity.
• Configure and support routers, switches, firewalls, load balancers, VPNs, wireless access points, and other network appliances.
• Monitor availability, traffic, and capacity, using data and enterprise monitoring tools to identify risks and improve performance.
• Lead troubleshooting and root-cause analysis for complex routing, switching, DNS, DHCP, authentication, and connectivity issues, restoring service with urgency and care.
• Maintain firewall policies, segmentation, IDS/IPS, NAC, and VPN controls; contribute to vulnerability remediation, hardening, and incident response.
• Partner with server, storage, cloud, security, application, and directory-services teams to integrate network requirements into projects and technology refreshes.
• Coordinate with vendors, service providers, and internal stakeholders during incidents, changes, and planned implementations.
• Maintain accurate network diagrams, inventories, standards, operating procedures, and troubleshooting guides.
• Recommend practical improvements to reliability, security, performance, and operational efficiency while supporting change-management standards.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed