Network Engineer (High-Speed Networking) New Oslo, Norway

Delart; Oslo; Hybrid; NOK 900,000 - 1,300,000; Full time

Benefits offered by this job

Medical insurance

Dental & Vision

FSA

Life insurance

Disability insurance

401(k) plan

Paid time off

Job summary

Delart is seeking a senior network engineer to design, deploy, and optimize high‑speed Ethernet networks for data centers and HPC workloads. You will work with Arista/Cisco switches, ONIE/SONiC/SAI platforms, and RDMA technologies to deliver low latency, scalable infrastructure.

You’ll automate tasks with Bash and Python, manage Linux networking services, and contribute to resilient, data‑center grade solutions in a technically rigorous environment.

Qualifications

• Hands-on experience with Arista or Cisco switches in 100Gbps+ environments.
• Deep understanding of Ethernet networks, VLANs, LACP, load balancing, QoS.
• Strong knowledge of IPv4 and IPv6 addressing, routing, and protocol configuration.
• Proficiency with RDMA technologies, RoCE/RoCEv2.
• Whitebox networking: ONIE, SONiC, SAI platforms.
• Solid Linux networking skills: PXE, DNS, DHCP.

Responsibilities

• Configure and maintain high-throughput Arista and Cisco switches to optimize performance.
• Design and troubleshoot Layer 2/3 networks including VLANs, LACP, QoS.
• Implement and tune IPv4/IPv6 routing for reliable connectivity and low latency.
• Integrate whitebox hardware using ONIE, SONiC, SAI for flexible networking.
• Work with RDMA technologies to support data center and HPC workloads.
• Develop automation using Bash and Python to streamline tasks.
• Manage Linux networking services like PXE, DNS, DHCP.

Skills

Arista/Cisco switches

Ethernet networks

IPv4/IPv6 routing

RDMA (RoCE/RoCEv2)

Linux networking

Bash scripting

Python scripting

Tools

ONIE

SONiC

SAI

Job description

Oslo, Norway

About the job

Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.

Overview

Join a technically rigorous team responsible for designing, deploying, and optimizing high-speed network infrastructures leveraging advanced Ethernet switches and programmable software network platforms. This role centers on building robust, low-latency networking environments using state-of-the-art hardware and protocols, with a focus on automation and scalability for next-generation data center and high-performance computing deployments.

Responsibilities

• Configure and maintain high-throughput (100Gbps+) Arista and Cisco switches, optimizing performance in demanding environments.
• Architect, deploy, and troubleshoot complex Layer 2 and Layer 3 Ethernet networks, including advanced VLANs, LACP, load balancing, and Quality of Service (QoS) configurations.
• Implement, tune, and debug advanced IP networking protocols (IPv4, IPv6), addressing, and routing, ensuring reliable connectivity and minimized latency.
• Integrate and operate whitebox network hardware utilizing ONIE, SONiC, and Switch Abstraction Interface (SAI), enabling flexible, software-driven networking solutions.
• Work with RDMA and RoCE (particularly RoCEv2) technologies, facilitating ultra-efficient data transport for data center and HPC workloads.
• Automate infrastructure tasks and perform scripting using Bash and Python to streamline configuration, monitoring, and deployment.
• Administer core Linux networking services, including PXE boot provisioning, DNS, and DHCP.

Minimum Qualifications

• In-depth experience with Arista and/or Cisco switches, including hands‑on management of high‑speed 100Gbps+ Ethernet environments.
• Comprehensive understanding of Ethernet networks, VLANs, LACP, load balancing, and advanced QoS mechanisms.
• Strong knowledge and operational experience with IPv4 and IPv6 addressing, routing, and protocol configuration.
• Proficiency in troubleshooting and supporting RDMA technologies, including RoCE and RoCEv2.
• Hands‑on whitebox network equipment experience, including deployment/management of ONIE, SONiC, and SAI‑based platforms.
• Solid Linux networking skills, including configuring and operating PXE, DNS, and DHCP services.
• Practical scripting or automation experience in Bash and Python.

Preferred Qualifications

• Familiarity with large‑scale data center architectures or high‑performance computing network topologies.
• Experience integrating network hardware into software‑defined or disaggregated network environments.
• Expert‑level knowledge in network automation frameworks or infrastructure as code (e.g., Ansible, NetBox, or similar).
• Exposure to telemetry, monitoring, or performance tuning for low‑latency/high‑throughput network operations.
• Prior work with open networking standards or programmable data plane technologies.

Delart provides competitive benefits and compensation across all regions where we operate. In the United States, our benefits package includes:

• premium PPO and HMO medical insurance
• dental and vision coverage
• flexible spending accounts (FSA)
• life insurance
• short- and long‑term disability insurance
• a company‑matched 401(k) plan
• a generous paid time off policy

Delart is an equal opportunity employer. We celebrate diversity and are dedicated to fostering an inclusive workplace for all employees. We strictly prohibit discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.