Principal Engineer, Core Network – HYBRIDWe're looking for a Principal Engineer, Core Network to serve as the lead architect and technical visionary for our global network infrastructure. In this highly impactful role, you will drive the evolution of next‑generation networking technologies – including Segment Routing – while leveraging deep expertise in OSPF, ISIS, BGP, and MPLS to solve complex connectivity challenges at scale. This is more than a technical leadership position. 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.What You'll Do Design, scale, optimize, and modernize high‑availability network infrastructure, including service provider or enterprise‑grade networksLead the transition to next‑generation network architectures, including Segment RoutingOptimize core routing protocols (OSPF, ISIS, BGP) to improve overall network performance and stabilityArchitect and maintain MPLS‑based services, including RSVP‑TE and LDPServe as the final escalation point during critical, large‑scale network outagesMentor both junior and senior engineers to raise the team's collective technical expertiseDrive automation initiatives to reduce manual configuration efforts and minimize human errorPerform additional duties as assignedWhat You Bring Minimum Required Education & Experience 7+ years of experience in large‑scale network engineering and architectureExpert‑level mastery of link‑state routing protocols, including OSPF and ISISDeep expertise in BGP, including iBGP, eBGP, communities, and policy routingAdvanced knowledge of MPLS, including L2/L3 VPNs, multicast, RSVP traffic engineeringStrong understanding of network security, quality of service (QoS), and high‑availability designBachelor's or Associate degree in a field related to computer networkingSkills & Abilities for Success Strategic foresight: anticipate how architectural decisions made today will impact business performance and scalability over the next 3–5 yearsInfluential leadership: navigate complex stakeholder environments and build alignment around major infrastructure investments – even without direct authorityDecisive crisis management: lead teams through high‑impact outages and restore service quickly and effectivelyEffective mentorship: develop engineering talent and help junior team members grow into senior technical leadersAnalytical troubleshooting: methodical, data‑driven approach to solving highly complex networking challenges using logic, analysis, and packet‑level insightsCross‑functional communication: translate technical network concepts into business value for executives, stakeholders, and non‑technical partnersPhysical Demands & Working Conditions Regularly required to talk and hearRequired to use hands to type, handle objects, and manage paperworkRequired to use close vision and maintain focusAbility to participate in on‑call rotations, including occasional overnight and weekend workAbility to travel occasionallyAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.#J-18808-Ljbffr