Senior Engineer - Network Operations

Overview

About Us

Role

Responsibilities

• Provide daily operational support of HPC network infrastructure, including Layer 2/3 switches, routers, firewalls, and RDMA-based fabrics (e.g., InfiniBand, RoCE), ensuring network performance and reliability.
• Troubleshoot and resolve complex network issues affecting HPC workloads and services, minimizing downtime and maximizing throughput.
• Configure, upgrade, and maintain enterprise-grade firewalls, VPNs, ACLs, and routing protocols (e.g., BGP, OSPF), ensuring network security and performance.
• Provide network integration support for HPC platforms, including Slurm, Kubernetes, and bare-metal provisioning systems.
• Design and manage IP address planning, VLAN configurations, network segmentation, and security zones in alignment with operational and compliance requirements.
• Develop and maintain network automation scripts and infrastructure-as-code solutions (e.g., Ansible, Python, Terraform) to optimize processes and reduce human error.
• Document network architecture, configurations, runbooks, and change management procedures in accordance with ITIL/ISO standards.
• Participate in on-call rotations, providing support for incident response, change management, and root cause analysis (RCA) processes.
• Conduct root cause analysis (RCA) for operational network issues, contributing to post-mortem documentation and driving continuous improvement efforts.
• Provide mentorship and technical guidance to junior engineers, helping to build skills and foster a collaborative environment

Qualifications

• Bachelor’s degree in Network Engineering, Computer Science, or a related field; or equivalent hands-on experience.
• Minimum of 5 years of experience in enterprise network operations or engineering roles.
• Extensive hands-on experience with data center networking equipment (e.g., Cisco, Arista, Juniper, Mellanox, or NVIDIA Networking).
• Deep understanding of Layer 2/3 protocols, the TCP/IP stack, multicast, QoS, and VLAN/VXLAN/EVPN technologies.
• Proficiency in configuring and managing firewalls (e.g., Palo Alto, Fortinet, Cisco ASA) and VPN solutions to ensure secure network operations.
• Proven experience in supporting low-latency, high-throughput networks in HPC, AI/ML, or cloud-scale environments.
• Hands-on experience with InfiniBand or RoCE technologies for HPC network environments.
• Familiarity with Kubernetes networking (e.g., CNI plugins, network policies, service meshes) for cloud-native networking.
• Exposure to CI/CD, Git, and modern DevNet practices for automating and optimizing network infrastructure.
• What working at Core42 offers
• With a diverse team of 1,100+ employees from 68 nationalities, we foster an inclusive, innovative and collaborative environment.
• At Core42, we foster a culture grounded in trust, accountability and high performance.
• We are united by our values:

Grit

Passion

Impact

• , as we aim to inspire progress and create meaningful change.
• Our team members thrive in an environment where each person’s contributions propel us forward, and together, we commit to achieving extraordinary results.
• Competitive Salary: We offer an attractive salary package based on your skills and experience
• Yearly Bonus: In recognition of your contributions, you will receive a performance-based annual bonus
• Exclusive Discount Cards: Access special benefits with Esaad and Fazaa cards, offering discounts across a wide range of services
• Premium Family Insurance: We provide comprehensive health coverage, including dental, vision and life insurance, ensuring the well-being of you and your family
• Learning & Development: We offer access to top-tier learning platforms to help you grow in your career. Learn at your own pace with unlimited access to premium courses.