Network Engineer (HPC)

We are seeking an experienced

Network Engineer

to design, deploy, operate, and optimize network infrastructure supporting HPC, AI, and data-intensive workloads. This role is critical to ensuring low-latency, high-bandwidth, and highly available networking for large-scale compute clusters used by research, engineering, and enterprise workloads.

The successful candidate will work closely with HPC system engineers, storage teams, and application specialists to deliver reliable and scalable network services for mission-critical environments.

Responsibilities:

HPC Network Operations:

Operate high-speed network fabrics for HPC and AI clusters.

Support low-latency, high-throughput networking for distributed workloads.

Ensure optimal network performance for MPI, GPU-accelerated, and data-intensive applications.

Network Technologies & Platforms

Deploy and manage:

InfiniBand (HDR / NDR), RoCE, and high-performance Ethernet

Leaf-spine architectures

Data center switching and routing platforms

Configure and maintain RDMA-enabled networks and QoS policies.

Performance Optimization & Troubleshooting

Diagnose and resolve network performance, latency, packet loss, and congestion issues.

Analyze traffic patterns and optimize network paths for HPC workloads.

Support performance tuning in collaboration with system and application teams.

Operations & Service Delivery

Provide production support for HPC network environments, including incident and escalation handling.

Participate in change, patch, and upgrade activities with minimal service disruption.

Develop and maintain network documentation, diagrams, and operational runbooks.

Automation & Continuous Improvement

Automate network configuration and validation using scripting and automation tools.

Contribute to standardization, best practices, and continuous improvement initiatives.

Support capacity planning and future network expansion.

Security & Compliance

Implement network security controls aligned with organizational policies.

Support segmentation, access controls, and monitoring for HPC environments.

Collaborate with security teams on audits and compliance requirements.

Requirements/ Experience:

Bachelor's degree in computer science, Engineering, or a related field

5+ years' experience as a Network Engineer in data centre or HPC environments

Strong hands-on experience with high-performance networking technologies

Proven experience supporting mission-critical, production environments

Strong analytical and problem-solving skills

Self-motivated with a strong sense of ownership

Certifications: CCNP/CCIE is preferred or equivalent vendor certifications

*Only shortlisted candidates will be notified.