Senior Lead Network Engineer InfiniBand

Integrant is seeking a Senior Lead Network & Infrastructure Engineer with 14 years of experience to provide technical leadership in a fast-paced complex HPC and AI environment. This is a multi-disciplinary senior role: the core is deep network engineering across Ethernet and InfiniBand fabrics ideally complemented by hands-on experience in high-performance storage and/or Linux systems operations (SysOps). The Senior Lead owns fabric architecture and performance acts as the highest technical escalation point and works across engineering platform storage and client teams. Adaptability ownership and clear communication are key to success in an environment where network performance is critical.

• Develop network configurations and architectures
• Operate maintain and support Ethernet and InfiniBand networks in a high-performance computing (HPC) and AI environment.
• Perform ongoing maintenance upgrades and lifecycle management of network equipment.
• Monitor network health performance and capacity to ensure reliable low-latency data flow.
• Respond to and resolve network and server-related incidents in a timely manner.
• Run hardware diagnostics and coordinate replacement of failing network components.
• Support and maintain Linux-based HPC and AI platforms across a wide range of technologies.
• Collaborate with senior network engineers software teams and platform teams on network efficiency reliability and security.
• Assist with configuration deployment and operational support of InfiniBand and Ethernet fabrics.
• Develop and maintain operational documentation including configuration examples build guides and best practices.
• Support on-site staff during hardware updates card replacements and infrastructure changes.
• Stay current with advancements in data center networking HPC interconnects and AI infrastructure technologies.
• Work within the client ticketing / IT service management system (e.g. TopDesk) to manage incidents and service requests to SLA.
• Build and maintain automation and tooling (scripting monitoring integrations infrastructure-as-code) to improve operational efficiency.
• Collaborate with software platform storage and client teams on efficiency reliability and security.
• Own the quality of operational documentation: configuration examples build guides runbooks and best practices.
• Lead design reviews and knowledge-sharing.

Participate in a weekly on-call rotation and respond to network and infrastructure issues after hours when required.

• 14 years of hands-on experience supporting enterprise or data center-scale networks.
• Experience working in HPC AI/ML or performance-sensitive environments.
• Practical experience administering InfiniBand (Mellanox/NVIDIA) and Ethernet (Cumulus SONiC) networks.
• Strong understanding of data center networking concepts including servers storage and high-speed interconnects.
• Solid knowledge of Layer 2 and Layer 3 networking including routing and switching fundamentals.
• Installing monitoring and maintaining very large-scale data center networks.
• Low-latency high-bandwidth fabric support and performance tuning for distributed compute and GPU workloads.
• VXLAN/EVPN architectures and routing protocols such as BGP and OSPF.
• Exposure to communication libraries such as NCCL UCX and MPI.
• Network management and monitoring tools: UFM OpenSM NetQ or similar.
• Ability to troubleshoot and resolve network issues in complex distributed environments.
• Strong documentation and communication skills.
• Proven ability to work effectively as part of a team and provide operational support.

• Storage: Hands-on experience with high-performance / parallel storage environments (e.g. Lustre GPFS/Spectrum Scale BeeGFS Ceph NVMe-oF) including storage networking and I/O performance troubleshooting.
• SysOps / Linux systems: Production Linux systems administration at scale provisioning configuration management (Ansible/Salt) kernel/network stack tuning schedulers (Slurm) containerization.

• Salary paid in USD
• Six-month career advancing opportunities
• Supportive and friendly work environment
• Premium medical insurance employee family
• English language development courses
• Interest-free loans paid over 2.5 years
• Technical development courses
• Employment referral program
• Premium location in Maadi
• Social insurance

Required Experience:

Senior IC