> Markdown version of [/jobs/ext/2552062-principal-engineer-core-network](https://www.wearedevelopers.com/jobs/ext/2552062-principal-engineer-core-network). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Engineer, Core Network - **Company:** Insight Global - **Location:** Denver, CO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Computer Networks, Multi-protocol Systems, Network Architecture, Routing, Open Shortest Path First (OSPF) - **Published:** August 15, 2026 - **Apply:** https://www.juju.com/job/00000000gmynx9 ## About the Role * 10+ years of experience in network engineering, with significant experience supporting service provider, telecommunications, cable, ISP, or carrier-grade environments. * Deep hands-on expertise designing and architecting large-scale networks utilizing: BGP (iBGP, eBGP, route policy, communities), OSPF, ISIS, MPLS * Strong experience with MPLS technologies, including: L2VPN / L3VPN, RSVP-TE, LDP, Traffic Engineering, Fast Reroute * Demonstrated experience designing, implementing, or modernizing core/backbone network infrastructure in a service provider environment. * Bachelor's or Associate degree in a field related to Computer Networking * Segment Routing (SR-MPLS and/or SRv6) * EVPN/VXLAN architecture and deployment * Experience with large-scale core network refreshes, migrations, or greenfield network buildouts * Experience evaluating and selecting networking vendors and technologies * Advanced industry certifications such as CCNP-SP, CCIE, JNCIP-SP, JNCIE-SP, or equivalent ## Description A client of Insight Global is looking for a Principal Engineer, to support a net-new core network modernization initiative. As a Principal Engineer, you'll play a critical role in shaping network strategy, ensuring stability and performance across enterprise-grade environments, and mentoring engineering talent to elevate the organization's technical capabilities. You'll bridge high-level business priorities with scalable, resilient, and increasingly automated network execution. ## Related Videos - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Distributed search under the hood](https://www.wearedevelopers.com/videos/256-distributed-search-under-the-hood) - [AI-Augmented DevOps with Platform Engineering](https://www.wearedevelopers.com/videos/1614-ai-augmented-devops-with-platform-engineering) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [5 Reasons Why Attending Conferences in 2026 Matters More Than You Think](https://www.wearedevelopers.com/magazine/692-5-reasons-why-attending-conferences-in-2026-matters-more-than-you-think)