Senior Core Network Engineer

At GFiber, we believe that great internet has the power to drive innovation, strengthen communities, enable the impossible, and do all the everyday things that make all of our world go round. And the job of creating better internet is never done - so we’re growing! Our team is committed to building a place where people who want to make a difference can grow their careers and find their spot to belong.

GFiber is an Alphabet company that brings Google Fiber and Google Fiber Webpass internet services to homes and businesses across the United States. Our teams are expanding as we connect more cities and people to exceptional internet.

The application window will be open until at least May 18, 2026. This opportunity will remain online based on business needs which may be before or after the specified date.

This role is not eligible for immigration sponsorship.

Role Description

The Network Engineering team owns the architecture and design of GFiber’s wireline and wireless networks. We are looking for a Senior Core Network Engineer to join the Core & Transport team. In this role, you will be a key architect of our network's future, responsible for the strategic design, implementation, and end-to-end reliability of our high-capacity transport and core routing infrastructure. You will bridge the gap between traditional architecture and modern reliability engineering, ensuring our network is not just fast, but resilient, observable, and highly automated.

In this role, you'll:

• Lead GFiber’s peering, caching and transit infrastructure design and IP planning. Optimizing traffic engineering, IX/Transit/CDN integrations, capacity planning to ensure optimal latency and cost-efficiency across the edge.

• Partner with software teams and Network Reliability Engineering team on the design and development of the GFiber automation stack, advancing low & zero touch operations and rapid configuration deployments across the core and edge

• Define and evolve standards for network observability and network health, integrating telemetry, fault management, and incident data to drive actionable insights and implement auto-remediation strategies.

• Serve as the Tier-3 escalation for complex routing, convergence, or large-scale DDoS issues, contribute to root cause analysis and propose remediation workflows to prevent recurrence.

• Collaborate with Product and Software teams to enable advanced service offerings (e.g., L2/L3 VPNs, DIA) and influence vendor roadmaps to align with GFiber’s business goals.

At a minimum we'd like you to have:

• Bachelor’s degree in Computer Science, Electrical Engineering, a related field, or equivalent practical experience.

• 7 years in service provider network design and operations, focusing on high-availability core environments.

• Knowledge of IP/MPLS protocols - BGP (v4/v6), IS-IS/OSPF, Segment Routing (SR-MPLS/SRv6), RSVP-TE, and EVPN, network troubleshooting and packet-level analysis tools (NetFlow, SNMP, Wireshark, TCPdump) and direct experience with multi-vendor platforms (e.g., Juniper, Nokia, Arista, or Cisco).

• Experience with automation and scripting for device configuration and validation (Python, Go, Ansible, or Netconf/YANG).

• Experience in incident management, telemetry design, and maintaining high-availability systems in a large network production environment.

It's preferred if you have:

• Experience with building end to end automation workflows and event driven automation concepts.

• Familiarity with implementing Site Reliability Engineering (SRE) principles within a network context, including SLO/SLA definition and error budget management.

• Experience with modern telemetry stacks such as Prometheus, Grafana, or custom alerting systems.

• Deep understanding of BGP attributes and traffic engineering across an ISP core network.

• JNCIE-SP, CCIE Service Provider, or equivalent deep industry experience.

The US base salary range for this full-time position is between $139,200 - $203,300 + bonus + cash award + benefits. As pay varies by location, your recruiter will share more about the specific salary range for your targeted location during the hiring process.

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GFiber is committed to equal opportunity employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, gender identity, age, citizenship, marital status, disability or Veteran status. Disclosure is voluntary, and this information will be kept confidential in compliance with Google's Candidate Privacy Policy. For more information please refer to our Equal Employment Opportunity Policy and the EEOC's "Know your rights: workplace discrimination is illegal" (PDF).

It's important to us to create an accessible, inclusive workplace for everyone. If you have a need that requires accommodation, please let us know by completing our accommodations for applicants form. Our candidate accommodations team will then connect with you to confidentially discuss your options.