United States

Optum Tech (UnitedHealth Group) is hiring a Principal Network Engineer

About the Role

Shape the future of enterprise networking by leading the design and optimization of large-scale, highly available network infrastructures. This role demands advanced technical proficiency in Cisco routing, SD-WAN, and automation frameworks, combined with a disciplined approach to change management and system reliability.

Key Responsibilities

  • Design and maintain resilient, scalable network architectures for remote data centers and DMZ environments using tools like Visio and Draw.io
  • Lead end-to-end change control processes through ServiceNow, ensuring strict adherence to Methods of Procedure and technical governance standards
  • Manage network device inventories and coordinate with vendors to address security vulnerabilities and lifecycle updates
  • Develop and standardize documentation for network diagrams, IP migrations, and integration checklists to ensure consistency and clarity
  • Build automation solutions using platforms such as Ansible and NetBrain to streamline repetitive network operations
  • Support seamless integration of new systems through structured onboarding procedures and product lifecycle management
  • Participate in a rotating on-call schedule to resolve critical incidents and maintain continuous service availability
  • Collaborate with security, load balancing (F5), and SD-WAN teams to align network strategy with broader infrastructure goals
  • Mentor technical teams and promote a culture of accountability, precision, and continuous improvement
  • Stay current with emerging technologies and vendor innovations to ensure the network environment remains modern and efficient

Required Expertise

Proven experience as a Network Architect or Engineer with deep knowledge of Cisco routing protocols including OSPF, BGP, static routing, VRFs, and Access Control Lists. Hands-on experience with large-scale SD-WAN deployments and network automation tools is essential.

Tools & Technologies

  • Cisco routers and switching platforms
  • Routing protocols: OSPF, BGP, static routing
  • SD-WAN solutions and network segmentation (VRFs, ACLs)
  • Architecture & diagramming: Visio, Draw.io
  • Monitoring & analysis: Splunk, Wireshark, NNMi, CatEye
  • IT service management: ServiceNow
  • Automation: Ansible, NetBrain

Our Culture

We value inclusion, accountability, and collective growth. Our environment supports technical excellence while fostering collaboration across disciplines. You'll work alongside skilled professionals dedicated to solving complex challenges and advancing how networks support critical services.

Commitment to Equity and Well-Being

We are dedicated to creating equitable access to health and well-being for people of all backgrounds. Our initiatives focus on reducing environmental impact, addressing health disparities, and supporting diverse communities through responsible technology and inclusive practices.

Required Skills
Cisco routersOSPFBGPSD-WANstatic routingVRFsACLsnetwork architecturelarge-scale SD-WAN deploymentsNNMi Cisco routersOSPFBGPSD-WANstatic routingVRFsACLsnetwork architecturelarge-scale SD-WAN deploymentsNNMi
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About company
Optum Tech (UnitedHealth Group)
Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care’s most complex challenges.
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Job Details
Department Information Technology
Category infrastructure
Posted 2 months ago