# Network Engineer

**Company**: Cigna Healthcare
**Location**: Missoula, MT
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Healthcare

**Apply**: https://cigna.wd5.myworkdayjobs.com/en-US/cignacareers/job/Missoula-MT/Infrastructure-Engineering-Senior-Analyst--Networking---Cigna-Healthcare_26012709?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_19f4974f-bf4

## Description

Help build and protect the network foundation that keeps our business connected. In this role, you will bring deep technical judgment, curiosity, and a continuous-improvement mindset to a large-scale enterprise environment. You will partner across infrastructure, security, cloud, and application teams to strengthen performance, resilience, and secure access for critical business services.

**Responsibilities**

- Design, implement, and improve enterprise LAN, WAN, SD-WAN, wireless, and remote-access solutions that 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 effectively with vendors, service providers, and internal stakeholders during incidents, changes, and planned implementations.

- Maintain accurate network diagrams, inventories, standards, operating procedures, and troubleshooting guides to make knowledge easy to share and reuse.

- Recommend practical improvements that increase reliability, security, performance, and operational efficiency while supporting change-management standards.

**Required Qualifications**

- 5 or more 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.

**Preferred Qualifications**

- 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.

## Skills

### Required
- TCP/IP
- routing
- switching
- firewalls
- load balancers
- wireless networking
- SD-WAN
- VPN
- DNS
- DHCP
- network segmentation
- performance tuning
- secure network design
- CCNA

### Nice to have
- AWS networking
- cloud certification
- Azure
- Oracle Cloud Infrastructure
- data center
- virtualization
- enterprise directory-services

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Source: [Apply at cigna.wd5.myworkdayjobs.com](https://cigna.wd5.myworkdayjobs.com/en-US/cignacareers/job/Missoula-MT/Infrastructure-Engineering-Senior-Analyst--Networking---Cigna-Healthcare_26012709?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)