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Principal Engineer, Core Network

Post Date

Jun 23, 2026

Location

Denver,
Colorado

ZIP/Postal Code

80111
US
Aug 27, 2026 Insight Global

Job Type

Perm

Category

Network Engineer

Req #

DGW-e49eb47e-e44b-4e47-bf9e-cd04ceebf808

Pay Rate

$145k - $160k (estimate)

Job Description

A client of Insight Global is looking to bring on a Principal Engineer, to serve as the lead architect and technical lead for the global network infrastructure. This position will 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.

A key part of this role is working with Segment Routing, while leveraging deep expertise in OSPF, ISIS, BGP, and MPLS to solve complex connectivity challenges at scale.

Key Responsibilities:
• Designing and scaling high-availability service provider or enterprise-grade networks
• Leading the transition to next-generation network architectures, including Segment Routing
• Optimizing core routing protocols including: OSPF, ISIS, BGP - to improve overall network performance and stability
• Architecting and maintaining MPLS-based services, including: RSVP-TE, LDP
• Serving as the final escalation point during critical, large-scale network outages
• Mentoring both junior and senior engineers to raise the team’s collective technical expertise
• Driving automation initiatives to reduce manual configuration efforts and minimize human error

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

• 7+ years of experience in large-scale network engineering and architecture
• Bachelor’s or Associate degree in a field related to Computer Networking
• Deep expertise in BGP, including: iBGP, eBGP, Communities, Policy Routing
• Expert-level mastery of Link State routing protocols, including: OSPF. ISIS
• Advanced knowledge of MPLS, including: L2/L3 VPNs, Multicast, RSVP traffic engineering
• Strong understanding of: Network Security, Quality of Service (QoS), High-Availability Network Design

Nice to Have Skills & Experience

• Performing additional duties as assigned

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.