The Infrastructure Engineering Senior Analyst, Networking - Cigna Healthcare joins the networking team to build and protect the enterprise network foundation. This role involves designing, implementing, and improving LAN, WAN, SD-WAN, wireless, and remote-access solutions. Day-to-day responsibilities include configuring routers, switches, firewalls, load balancers, and VPNs while monitoring traffic and capacity. The analyst performs root-cause analysis for complex routing, switching, DNS, and DHCP issues. Key tasks involve strengthening security through firewall policies, segmentation, IDS/IPS, and NAC. Required skills include TCP/IP, VLANs, and network segmentation, alongside a current CCNA certification. The role addresses the technical challenge of providing reliable, scalable connectivity and secure access for critical business services within a large-scale enterprise environment, requiring collaboration with cloud, security, and application teams.
C
Linux Kernel
Networking Drivers
TCP/IP
RDMA
RoCE
Data Structures
Algorithms
L2/L3 Protocols
Device Drivers
open-source
Userspace Libraries
Operating Systems
Kernel Internals