Senior Network & AI/HPC Infrastructure Engineer

Cotidal Limited; Palo Alto (CA); In loco; USD 180.000 - 240.000; Tempo pieno

Vantaggi offerti da questo lavoro

Visa sponsorship

Competitive salary and equity

Relocation support

Descrizione del lavoro

Cotidal Limited is seeking a Senior Network Operations Engineer to keep our data center networks and backbone highly available, reliable, and high-performing. You will operate and troubleshoot production networks, lead incident response, and drive improvements in monitoring, automation and runbooks.

You will work with Juniper routing/switching, Arista EOS, Palo Alto firewalls, and high-performance Ethernet fabrics for AI/HPC workloads.

Competenze

• 10-15 years of professional network engineering and operations experience.
• Strong production experience with Junos and Juniper MX/QFX/EX routing and switching, plus hands-on Arista EOS operations.
• Advanced troubleshooting of BGP, OSPF, IS-IS, MPLS, EVPN/VXLAN, ECMP, TCP/IP, IPv4/IPv6, LAG/LACP and spine-leaf fabrics.
• Working knowledge of GPU cluster networking, AI/HPC networking, RDMA/RoCEv2, PFC, ECN, QoS and congestion management.
• Hands-on Palo Alto and Juniper SRX firewall operations, including policy troubleshooting, NAT, VPNs, high availability and segmentation.
• Experience with SNMP, syslog, streaming telemetry, packet captures, Wireshark/tcpdump and Linux networking.
• Familiarity with Python, Ansible, Git, incident management, root-cause analysis and change control.
• The ability to resolve complex production incidents independently and communicate clearly across teams.

Mansioni

• Operate data center fabrics and backbone networks. Manage Juniper MX, QFX and EX platforms and Arista EOS switches.
• Troubleshoot BGP, OSPF, IS-IS, MPLS, EVPN/VXLAN and ECMP across AI/HPC networks.
• Keep high-performance fabrics healthy; monitor RDMA/RoCEv2 operations, PFC, ECN, QoS.
• Lead production incident response; diagnose failures and drive RCAs.
• Carry out software upgrades, capacity expansions and change control.
• Develop automation, dashboards, runbooks and on-call support materials.

Conoscenze

Junos/Juniper MX/QFX/EX routing and

Arista EOS operations

Palo Alto & Juniper SRX firewalls

BGP/OSPF/IS-IS/MPLS/EVPN/VXLAN/ECMP

RDMA/RoCEv2; PFC; ECN; QoS

100G/400G/800G fabric knowledge

Telemetry, SNMP, syslog, Wireshark/tcp

Python, Ansible, Git

Incident management & root-cause分析

Change control and on-call support

Strumenti

Junos

Arista EOS

Palo Alto firewall

Descrizione del lavoro

Cotidal Limited is seeking a Senior Network Operations Engineer to keep our data center networks and backbone highly available, reliable, and high-performing. You will operate and troubleshoot production networks, lead incident response, and drive improvements in monitoring, automation and runbooks.

You will work with Juniper routing/switching, Arista EOS, Palo Alto firewalls, and high-performance Ethernet fabrics for AI/HPC workloads.