Senior Network Reliability Engineer

CompanyOracle

LocationUnited Kingdom

Posted At1/22/2026

UK Visa Sponsorship Analytics

Occupation Type

IT network professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£45,600 (£23.38 per hour)

Occupation rate applies

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Description

OCI Network Availability is seeking a Senior Network Reliability Engineer to build and operate services that enhance the availability of Oracle Cloud Infrastructure (OCI) networking.

A Network Reliability Engineer (NRE) applies an engineering-driven approach to measuring and automating network reliability in alignment with organizational service-level objectives, agreements, and goals. The NRE team is responsible for responding to network disruptions, identifying root causes, and collaborating with internal and external stakeholders to fully restore functionality. The team also focuses on automating recurring operational tasks to streamline processes, improve workflow efficiency, and increase overall productivity.

As OCI operates a global, cloud-based network, this role supports hundreds of thousands of network devices and millions of servers connected through a combination of dedicated backbone infrastructure, CLoS networks, and the public Internet.

In this role, you will:

Support the design, deployment, and operation of a large-scale global cloud computing environment (Oracle Cloud Infrastructure)
Use and contribute to procedures and tools to safely develop and execute network changes

Develop solutions that enable support teams to respond effectively to network failure conditions

Mentor junior engineers

Participate in network solution and architecture design processes

Provide break-fix support for network events, act as an escalation point for remediation, and lead post-event root cause analysis

Develop scripts to automate routine tasks for teams and business units

Coordinate with network automation service teams to develop and integrate support tooling

Work with network monitoring teams to collect telemetry data and create network event alert rules

Build dashboards to visualize and analyze network performance data

Collaborate with network vendor technical account and quality assurance teams to drive bug resolution and assist with qualification of new firmware and operating systems

Participate in an on-call rotation

Preferred qualifications:

Bachelor’s degree in computer science or a related engineering field with 5+ years of network engineering experience, or a master’s degree with 2+ years of network engineering experience
Experience working in a large ISP or cloud provider environment

Experience in a network operations role

Strong knowledge of protocols and services including MPLS, BGP, OSPF, IS-IS, TCP, IPv4, IPv6, DNS, DHCP, VxLAN, and EVPN

Extensive experience with scripting, automation, and data center design; Python preferred, but expertise in other scripting or compiled languages is acceptable

Experience with networking technologies such as TCP/IP, VPN, DNS, DHCP, and SSL

Experience with network monitoring and telemetry solutions

Experience with network modeling and programmability using technologies such as YANG, OpenConfig, and NETCONF