[Remote] Core Routing/IP Backbone Engineer

Note: The job is a remote job and is open to candidates in USA. Lawrence Berkeley National Laboratory supports the Energy Sciences Network (ESnet), a high-performance network connecting national laboratories, universities, and research institutions worldwide. The Core Routing/IP Backbone Engineer will design, deploy, operate, and support routing, switching, optical, transport, and peering infrastructure for ESnet’s production and research environments. The role also involves network operations, automation, technical documentation, project leadership, and collaboration with engineers, vendors, research institutions, and international partners.

Responsibilities

• Design, deploy, and support routing, switching, optical, and transport infrastructure across ESnet’s production and research networks
• Configure and troubleshoot advanced networking technologies including IPv4/IPv6, BGP, IS-IS, MPLS, Segment Routing, RSVP, QoS, and L2/L3 VPNs
• Support network operations, maintenance, upgrades, incident response, and service restoration
• Develop automation tools and operational workflows to improve scalability, reliability, and efficiency
• Collaborate with engineers, scientific stakeholders, vendors, carriers, and partner organizations to deliver and maintain network services
• Participate in project planning, procurement, testing, deployment, and operational readiness activities
• Create and maintain technical documentation, procedures, and network standards
• Contribute to process improvements, troubleshoot moderate-complexity issues, and provide trusted technical guidance to stakeholders
• Participate in an on-call rotation for business-hours and after-hours operational support
• Operate with strong technical ownership and independence across infrastructure and operational initiatives
• Lead projects, resolve complex technical issues, and contribute to network architecture and service design
• Mentor junior engineers and drive operational improvements through automation, process optimization, and cross-team collaboration

Skills

• Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or equivalent work experience
• Minimum of five years of relevant experience designing, deploying, operating, and troubleshooting network infrastructure and services
• Demonstrated experience working with enterprise, service provider, research, or large-scale WAN/LAN environments
• Demonstrated knowledge and hands-on experience with IP networking technologies and carrier-grade services including MPLS, QoS, traffic engineering, Layer 2/Layer 3 VPN technologies, and related service provider architectures
• Strong understanding of network troubleshooting methodologies with the ability to diagnose and resolve complex routing, transport, and end-to-end service issues across distributed wide-area infrastructures
• Experience working in UNIX/Linux command-line environments, including remote systems administration, scripting fundamentals, and network automation workflows
• Experience contributing to technical projects involving backbone deployments, network service implementations, migration planning, testing, operational readiness, and production support
• Strong analytical, organizational, and problem-solving skills with the ability to manage operational and engineering issues of moderate to high complexity in large-scale network environments
• Excellent written and verbal communication skills with the ability to collaborate effectively across engineering teams, operations groups, vendors, carriers, and scientific stakeholders
• Demonstrated ability to work effectively in a highly collaborative, cross-functional technical environment supporting mission-critical network infrastructure
• Experience using collaboration, ticketing, documentation, monitoring, and operational support tools within network engineering or service provider operations environments
• Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or equivalent experience
• Expert level capabilities in router configuration, including experience with several vendors
• Experience in managing traffic flows in a production network using analytical tools, ECMP, traffic engineering and similar approaches
• Project Management experience including demonstrated expertise in developing technical project scope, schedule and budget
• Ability to resolve complex issues in creative and effective ways
• Ability to network and collaborate with key contacts outside their own area of expertise
• Excellent oral and written communication skills
• Demonstrated ability to work effectively as part of a cross-disciplinary team
• Work must be performed within the United States
• Experience configuring, troubleshooting, and operating advanced routing protocols and technologies, preferably including BGP, IS-IS, OSPF, Segment Routing, IPv4/IPv6, and MPLS within large-scale WAN, backbone, or service provider networking environments
• Experience administering and operating multi-vendor routing platforms, preferably Juniper and Nokia (Alcatel-Lucent), in production backbone or carrier-class environments
• Experience working in Research & Education (R&E), scientific computing, backbone, or service provider networking environments
• Experience with network automation, model-driven telemetry, APIs, YANG/NETCONF, or infrastructure-as-code methodologies
• Experience supporting optical transport systems, DWDM technologies, coherent optics, or long-haul backbone infrastructure
• Familiarity with large-scale peering ecosystems, interdomain routing, and high-capacity backbone operations
• Experience participating in on-call operational support rotations for production WAN or backbone network environments

Benefits

• Exceptional health and retirement benefits, including pension or 401K-style plans
• A culture where you’ll belong - we are invested in our teams!
• In addition to accruing vacation and sick time, we also have a Winter Holiday Shutdown every year.
• Parental bonding leave (for both mothers and fathers)
• Pet insurance
• Work may be performed on-site, hybrid, full-time telework, remote.

Company Overview

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