Infrastructure Engineering Senior Analyst, Networking - Cigna Healthcare
About The Position
Help build and protect the network foundation that keeps Cigna Healthcare’s business connected. The role applies technical judgment, curiosity, and continuous improvement in a large-scale enterprise environment, partnering 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, monitoring, troubleshooting, security controls, project integration, and operational documentation. It also recommends improvements to reliability, security, performance, and operational efficiency while following change-management standards.
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 to deliver reliable, scalable connectivity.
- Configure and support routers, switches, firewalls, load balancers, VPNs, wireless access points, and other network appliances.
- Monitor availability, traffic, and capacity; use data and enterprise monitoring tools to identify risks and improve network performance.
- Lead troubleshooting and root-cause analysis for complex routing, switching, DNS, DHCP, authentication, and connectivity issues, restoring service with urgency and care.
- Strengthen network security by maintaining 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.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
