Senior Network Developer

Oracle; Ireland; On-site; EUR 90,000 - 130,000; Full time

Job summary

Oracle Ireland seeks an experienced Network Engineer to design, deploy, and operate large-scale global cloud networks. You will contribute to greenfield infrastructure, data center fabrics, edge networks, and backbone connectivity while enabling automation at scale.

You will work on network lifecycle management, runbooks, and tooling, collaborating with cross-functional teams to deliver secure, high-performance connectivity for OCI regions.

Qualifications

• Experience in large ISP or cloud provider environments.
• Hands-on exposure to commodity Ethernet hardware (Broadcom, Mellanox).
• Deep knowledge of routing and transport protocols: BGP, OSPF, IS-IS, TCP, IPv4, IPv6, DNS, DHCP, MPLS.
• Experience with Internet peering, inter-domain networking, and VPN/SSL technologies.
• Proficiency in scripting/automation (Python preferred) and datacenter design.
• Familiarity with automation frameworks, network modeling (YANG, OpenConfig, NETCONF), and telemetry systems.
• Strong understanding of network security design, system performance testing, and operational monitoring.
• Excellent communication skills with proven ability to influence product direction and priorities.
• Career Level - IC3

Responsibilities

• Participate in network lifecycle management through build and upgrade projects.
• Collaborate with program and project managers to define milestones and deliverables.
• Execute network changes using existing procedures and tools, and develop new procedures as needed.
• Serve as a technical lead on team projects, contributing to roadmap development, creating new runbooks and methods of procedure, and mentoring junior engineers.
• Responsibilities include participating in solution and architecture design, developing standalone features, supporting operational rotations, providing break-fix support, serving as an escalation point, and leading post-event root cause analysis.
• Additional duties include coordinating with automation services to develop and integrate tooling, scripting to automate routine tasks, and acting as an SME for network automation projects.
• The role also involves collaborating with vendors to resolve software bugs, qualifying new firmware/operating systems, and driving product roadmap influence.

Skills

ISP/cloud provider experience

Python scripting

Network automation

Routing protocols BGP/OSPF/IS-IS

IPv4/IPv6/DNS/DHCP

Inter-domain networking

VPN/SSL technologies

Network security design

Performance monitoring

Communication skills

Tools

Broadcom Ethernet

Mellanox Ethernet

YANG/NETCONF

OpenConfig

Telemetry systems

Job description

Job Description

The Network Region Build (NRB) team is responsible for deploying greenfield infrastructure, establishing network connectivity for new (Oracle Cloud Infrastructure) OCI regions, and enabling compute connectivity for child sites. This includes building and managing data center fabrics, edge networks, backbone, fiber metro networks, and supporting multi-cloud initiatives.

The Network Region Build (NRB) team is responsible for deploying greenfield infrastructure, establishing network connectivity for new (Oracle Cloud Infrastructure) OCI regions, and enabling compute connectivity for child sites. This includes building and managing data center fabrics, edge networks, backbone, fiber metro networks, and supporting multi-cloud initiatives. NRB provides 24x7 operational support during build phases and oversees network and server rack adds, decommissions, and capacity expansions. The team also drives automation, process improvements, and tool development in collaboration with Network Automation to enhance efficiency. This role involves designing, deploying, and operating large-scale global cloud networks. It requires a deep understanding of network protocols and programming skills to support automation at scale. As OCI's cloud network spans a global footprint, this role supports a vast infrastructure of network devices and millions of connected servers across dedicated backbone and internet-based connectivity.

Qualifications

• Experience in large ISP or cloud provider environments.


• Hands-on exposure to commodity Ethernet hardware (Broadcom, Mellanox).


• Deep knowledge of routing and transport protocols: BGP, OSPF, IS-IS, TCP, IPv4, IPv6, DNS, DHCP, MPLS.


• Experience with Internet peering, inter-domain networking, and VPN/SSL technologies.


• Proficiency in scripting/automation (Python preferred) and datacenter design.


• Familiarity with automation frameworks, network modeling (YANG, OpenConfig, NETCONF), and telemetry systems.


• Strong understanding of network security design, system performance testing, and operational monitoring.


• Excellent communication skills with proven ability to influence product direction and priorities.

Responsibilities

Participate in network lifecycle management through build and upgrade projects. Collaborate with program and project managers to define milestones and deliverables. Execute network changes using existing procedures and tools, and develop new procedures as needed. Serve as a technical lead on team projects, contributing to roadmap development, creating new runbooks and methods of procedure, and mentoring junior engineers. Responsibilities include participating in solution and architecture design, developing standalone features, supporting operational rotations, providing break-fix support, serving as an escalation point, and leading post-event root cause analysis. Additional duties include coordinating with automation services to develop and integrate tooling, scripting to automate routine tasks, and acting as an SME for network automation projects. The role also involves collaborating with vendors to resolve software bugs, qualifying new firmware/operating systems, and driving product roadmap influence.

Qualifications

Career Level - IC3

About Us

Only Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives.

True innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing a workforce that promotes opportunities for all with competitive benefits that support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.

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Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.