Senior Network Systems Engineer (Data Centre Networking)

Location: San Jose, California, United States. Hybrid working environment with some level of in-office and/or in-person expectations.

Target salary: $147,900–$220,000 USD annually, based on On Target Earnings including potential commission.

Company

hirify.global delivers enterprise data infrastructure, unified storage, integrated data services, and cloud solutions across Google Cloud, AWS, and Microsoft Azure, including infrastructure for enterprise AI and multicloud workloads.

What you will do

• Operate and modernise the existing vPC-based data centre estate while designing and migrating to a Clos/spine-leaf fabric using VXLAN and BGP EVPN.
• Lead phased brownfield-to-greenfield migrations, including target architecture, cutover plans, testing, validation, rollback, interconnects, cabling, and vendor coordination.
• Design AI/ML and high-performance storage fabrics using lossless Ethernet, RoCEv2, PFC, and ECN/DCQCN.
• Own enterprise routing and control-plane engineering across BGP, EVPN, ECMP, OSPF, data centre and internet edge connectivity, and inter-site connectivity.
• Operate Cisco Nexus/ACI, Arista EOS, or Juniper switching platforms and resolve complex Tier 3/4 issues across the control plane, data plane, and physical layer.
• Improve observability and operational quality through fabric controllers, streaming telemetry, infrastructure as code, network as code, standards, runbooks, documentation, and mentoring.

Requirements

• Strong hands-on enterprise data centre networking expertise, including Layer 2/Layer 3 design, VLANs, trunking, vPC/MLAG, spanning tree, and HSRP/VRRP.
• Hands-on enterprise-scale experience with Cisco Nexus/NX-OS and/or ACI, Arista EOS, or Juniper.
• Proven troubleshooting across control-plane, data-plane, and physical infrastructure issues.
• Experience designing or migrating Clos/spine-leaf fabrics with VXLAN and BGP EVPN, including distributed anycast gateway, symmetric/asymmetric IRB, and multi-tenant VRFs.
• Ability to plan and execute phased brownfield-to-greenfield migrations with minimal disruption.
• Experience with or strong appetite to develop AI/ML fabric design, lossless Ethernet, RoCEv2, and high-performance storage networking.
• Expertise in BGP eBGP/iBGP, route policy, path selection, redistribution, address-family design, EVPN overlays, ECMP, and OSPF underlays.
• Typically 8+ years of hands-on enterprise network engineering and operations experience, including a senior or lead technical role and substantial data centre experience.
• Experience owning complex, high-impact infrastructure globally, delivering planned maintenance windows and migration cutovers, and resolving incidents under pressure.
• Excellent communication skills, cross-region collaboration, and ability to mentor others.

Nice to have

• Python, Ansible, Arista AVD, NetBox, or Nautobot for fabric automation and configuration management.
• Terraform, Git-based workflows, CI/CD, and network as code.
• AI/ML fabric expertise including rail-optimised Clos, InfiniBand, 800G, merchant silicon, and Ultra Ethernet.
• NVMe-oF, NFS/pNFS, iSCSI, RDMA, and GPU-to-storage back-end fabrics.
• F5 or AVI load balancing and GSLB; MCP, AIOps, n8n, streaming telemetry, gNMI/OpenConfig, or ThousandEyes.
• Cloud data centre networking across AWS, Azure, or OCI; SRE practices; security segmentation; Palo Alto firewalls; or SONiC.
• CCNP/CCIE Data Center, Arista ACE, or JNCIP-DC certification.

Culture & Benefits

• Hybrid work environment with in-office and/or in-person expectations.
• Benefits may include health insurance, life insurance, retirement or pension plans, paid time off, leave options, employee stock purchase plans, and RSUs, subject to regional variations and local laws.
• Culture emphasises initiative, ownership, problem solving, inclusion, flexibility, and work-life balance.
• hirify.global is an equal opportunity employer and provides reasonable accommodations for qualified applicants and employees with disabilities.

Hiring process

• Applications are reviewed only when submitted through the hirify.global company website; emailing employees, recruiters, or Human Resources does not influence the application.
• Some hiring stages may use AI-assisted evaluation tools, while human decision-makers retain responsibility. Candidates may request an alternative process by emailing careers@hirify.global.com with a resume, job ID, and the subject line “Data Privacy Request.”