▷ [10/2/2025 A] Network Production Engineer - Core Networking, Backbone

4 weeks ago

Dublin Pike, Ireland Meta Full time

Summary:
You will be joining the team that is responsible for the design and implementation of Meta's global core IP networks (Express Backbone). The team is responsible for the routing platforms, protocols, and architecture that connect Meta's data centers to each other as well as to the networks that connect them to the internet.Our backbones continue to rapidly expand globally, based on the, most recently, network demands that our AGI journey brings. One of them, "Express Backbone", handles machine to machine traffic between our Data Centers.You are an experienced network engineers with demonstrated experience in software engineering, who regularly perform analytical and data-driven dives into the workings of the backbone but also hold manufacturers to deliver and scale their products and work in cross functional environment. You will have a chance to participate in designing and growing of one of the largest backbone networks in the world.
Required Skills:
Network Production Engineer - Core Networking, Backbone Responsibilities:
Propose, describe and develop designs to scale Express Backbone to meet the business demand.

Participate and drive migration processes from one design to the next iteration through cross-functional engagement.

Perform analytical and data-driven dives on complex technical issues across networks, ranging from automated tooling to hardware failures and network issues.

Manage and maintain multi-vendor relationship and provide quality feedback to drive vendor's development.

Contribute to team growth and development through new hire onboarding and peer mentorship.

Help with the process of finding a root cause for the Express Backbone issues.

Be an escalation contact for high-impact, high-priority incidents.

Minimum Qualifications:
Minimum Qualifications:
Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience.

2+ years of experience coding in higher-level languages (e.g., Python, C++, Go, etc.).

5+ years of experience in one or more of BGP, MPLS, ISIS or similar routing protocols - knowledge in typical configurations and performance tuning.

Preferred Qualifications:
Preferred Qualifications:
5+ years of experience understanding and mitigating network hardware and topology failures.

Proficient level knowledge of TCP/IP and IPv6.

Experience operating and designing Software Defined Networking-based backbone networks.

Knowledge in routing and switching - hardware design and knowledge of forwarding and data planes.

Experience developing and understanding network device configuration for at least one vendor (Juniper, Cisco, Arista, Brocade, etc.).

Experience working in a multi-vendor network environment.

Experience with developing distributed systems and operating them at scale.

Experience with automation frameworks and tools such as Ansible, Puppet, or Chef.

Experience in configuration and maintenance of network devices and Network Management Systems, or applications such as web servers, load balancers, relational databases, storage systems and messaging systems.

Experience learning software, frameworks, and APIs.

Industry: Internet

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