Senior Engineer - Network Operations
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Key skills for this role
About the Role
Core42 is seeking a Senior Engineer – Network Operations to manage and support network infrastructure for global high-performance computing environments. The role requires deep hands-on experience with enterprise-grade network technologies, low-latency HPC fabrics (e.
Key Skills for This 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)
- Troubleshoot and resolve complex network issues affecting HPC workloads and services
- Configure, upgrade, and maintain enterprise grade firewalls, VPNs, ACLs, and routing protocols (e.g., BGP, OSPF)
- 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
- Develop and maintain network automation scripts and infrastructure as code solutions (e.g., Ansible, Python, Terraform)
- 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
Requirements
- 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
- 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
Full Job Posting
Role
- We are seeking a Senior Engineer – Network Operations to manage and support the network infrastructure underpinning our global high performance computing (HPC) environments. This role is responsible for ensuring high availability, security, and optimal performance of switches, firewalls, and network
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
- 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.
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