Senior Infrastructure Engineer Networking

@ NexGen Cloud

About NexGen Cloud

NexGen Cloud is a rapidly growing IaaS company focused on providing innovative cloud solutions and infrastructure services. Their GPU cloud infrastructure accelerates development in sectors such as Artificial Intelligence & Machine Learning, VFX & Rendering, Data Science & IoT, and Computer Aided Engineering & MDO. The team is made up of talented, experienced, and motivated individuals committed to making a positive, lasting impact on the tech world.

Position Summary

As a Senior Infrastructure Engineer Networking, you will design, deploy, and operate the systems powering a global GPU cloud. This hands-on role is ideal for engineers who excel in Linux, networking, and automation, ensuring a secure, scalable, and fast infrastructure.

Key Responsibilities

• Core Infrastructure: Provision and manage Linux (Ubuntu-based) systems supporting GPU servers and backend services, maintaining system availability and implementing failover strategies.
• Networking: Design and manage high-speed, low-latency network infrastructure; configure firewalls, BGP, VLANs, VXLANs, and VPNs; and resolve network incidents.
• Automation & Scaling: Build infrastructure-as-code using tools like Ansible, automate GPU driver installs, and develop CI/CD workflows.
• Cloud & Virtualization: Support containerized workloads via Kubernetes and manage both bare-metal and virtualized GPU platforms.
• Monitoring & Security: Deploy monitoring stacks (Prometheus, Grafana, ELK), implement hardening practices, and support incident response.

Qualifications and Skills

• 3–5 years of experience in Linux systems administration or infrastructure engineering.
• Strong networking knowledge including routing, switching, TCP/IP, DNS, DHCP, VLANs, BGP, and VPN.
• Proficiency in scripting (Bash, Python) and automation tools like Ansible and Terraform.
• Experience with virtualization, containerization, and systems troubleshooting.
• Familiarity with monitoring and logging systems and experience in GPU cloud or HPC environments.
• Strong documentation practices and knowledge of advanced networking components (IB, BluField NIC, UFM, Openvswitch).

Good to Have

• Exposure to NVIDIA GPU technologies and related tooling.
• Experience with software-defined networking and overlay networks.
• Familiarity with networking products from Arista, Cisco, Mikrotik, Nvidia/Mellanox.
• Experience with OpenStack, CMDB tools like Netbox and server provisioning techniques.

Benefits

• Competitive salary.
• 100% home-office, working US hours with flexibility.
• Full-time permanent contract.
• Diverse and collaborative team environment.
• Exposure to cutting-edge technologies and international events.

Key skills/competency

Linux, Networking, Automation, Infrastructure, GPU, Cloud, CI/CD, Kubernetes, Security, Virtualization