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489 network engineer jobs at 266 companies in Fairfield, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
3w
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Network Engineer
San Francisco, California, United States
OnsiteFull Time
RZR
RZR: AI-powered mobile advertising and growth platform.
3+ YOE3+ years network engineering experience; deep familiarity with Mellanox Spectrum and ConnectX, Cumulus Linux, Netris, BGP/OSPF/EVPN-VXLAN/LACP; Python or Go proficiency; Bachelor's or Master's in CS/Engineering or related.
Mellanox Spectrum, ConnectX, Cumulus Linux, Debian, Netris, BGP, OSPF, EVPN-VXLAN, LACP, Python, Go
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3w
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Network Engineer, Supercomputing
San Francisco, California, United States
$350k-$475k/yr OnsiteFull Time
Thinking Machines Lab
Thinking Machines Lab: Builds advanced multimodal AI models and model optimization infrastructure.
Bachelor's in CS/engineering or equivalent experience; proficiency in Python or Rust; experience operating large-scale clusters and Kubernetes/Slurm; deep Linux host-level debugging; familiarity with RDMA, RoCEv2, NVLink/NVSwitch, NCCL and cloud networking.
Python, Rust, Kubernetes, Slurm, Linux, RDMA, RoCEv2, NVLink, NVSwitch, NCCL, CUDA, IMEX
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1mo
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Network Engineer, Design & Engineering
New York City or San Francisco or Austin
$200k-$275k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
5+ YOE5+ years network engineering experience with datacenter fabric design, deep L1–L3 expertise (BGP, EVPN/VXLAN), RDMA/InfiniBand/RoCEv2 knowledge, GPU cluster network experience, strong documentation and cross-functional collaboration.
Arista, Juniper, NVIDIA, Mellanox, Broadcom, AMD, BGP, EVPN/VXLAN, ECMP, RDMA, InfiniBand, RoCEv2, PFC, ECN, DCQCN, NVLink, NVSwitch, DCIM
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1mo
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Senior Network Engineer
Pleasanton or California or United States
HybridFull Time
STN
STN: Provides high-performance GPU infrastructure, cloud, and managed IT services.
7+ YOE7+ years network engineering experience in data center or service provider environments; deep InfiniBand/RoCE expertise; strong BGP/OSPF/MPLS/VXLAN/EVPN knowledge; hands-on with Arista, NVIDIA Mellanox/Spectrum, or Cisco; advanced certifications preferred.
InfiniBand, RoCE, RoCEv2, BGP, OSPF, MPLS, VXLAN, EVPN, Arista, NVIDIA Mellanox, Spectrum, Cisco, NCCL, Ansible, Python, Nautobot, NetBox, NVIDIA Cumulus, SONiC, SD-WAN
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1w
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Network Engineer II
United States or San Ramon
$83k-$231k/yr HybridFull Time
Five9
Five9NASDAQ: FIVN: Provides cloud-based software for enterprise contact center operations.
5+ YOE5+ years in medium-to-large networks with hands-on experience in Cisco Nexus, Palo Alto, F5, SDN, automation (Ansible/Terraform/Python), monitoring, and cloud networking (AWS/GCP).
Cisco Nexus, Palo Alto, F5, NDFC, VXLAN, Kubernetes, Calico, GCP, AWS, Prometheus, Grafana, SolarWinds, Ansible, Terraform, Python, CI/CD, Panorama, Global Protect, F5 BIG-IP, NX-OS, Cisco IOS, OpenStack Neutron, NetFlow, SNMP, packet brokers, EVPN, OSPF, BGP, MPLS, STP, RSTP
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1mo
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Senior Network Engineer
New York City or San Francisco or Seattle or London or United States
$150k-$190k/yr RemoteFull Time
Lightning AI
Lightning AI: Unified platform to build, train, and deploy AI models.
5+ YOE5+ years large-scale data center networking experience with Cumulus NOS, spine/leaf design, BGP/EVPN/VXLAN, HPC/GPU networking, automation (Python/Ansible/Terraform), and strong documentation skills.
Cumulus NOS, SONiC, Junos, Python, Ansible, Terraform, EVPN, VXLAN, BGP, RoCE, RDMA, InfiniBand, VPC, NFV, Direct Connect, Cloud Connect, NVIDIA Spectrum, NVIDIA Quantum, NVIDIA BlueField
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NETWORK ENGINEER
Brisbane, California, United States
OnsiteFull Time
InfoImage
InfoImage: Provides statement processing, printing, and digital delivery services.
5+ YOE5+ years as Network Engineer; Palo Alto and Fortinet firewalls; Dell and Cisco switches; VPNs; network security.
Palo Alto Firewall, Fortinet Firewall, Dell Switches, Cisco Switches, VPN, VLAN, STP, QoS
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1w
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Senior Network Engineer
San Francisco, California, United States
$190k-$270k/yr OnsiteFull Time
Together AI
Together AI: Cloud platform for training and deploying artificial intelligence models.
8+ YOE8+ years building and supporting large-scale hybrid data center networks; strong TCP/IP knowledge (BGP, OSPF, VXLAN, EVPN, QoS); network automation (Python, Ansible); tooling (Wireshark, tcpdump, nmap, MTR, curl); cloud (AWS, GCP, Azure); Linux proficiency.
BGP, OSPF, VXLAN, EVPN, QoS, Python, Ansible, Wireshark, tcpdump, nmap, MTR, curl, Cisco, Arista, Juniper, Mellanox, AWS, GCP, Azure, Linux, RoCE, Infiniband, Docker, Kubernetes, Slurm
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1mo
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Staff Network Engineer, Operations
San Francisco, California, United States
$195k-$235k/yr OnsiteFull Time
Crusoe
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable energy.
8+ YOE8+ years production network engineering experience; expertise in BGP, EVPN-VXLAN, IS-IS, OSPF, MPLS, QoS, TCP/IP; RDMA/RoCE fabrics; Arista (EOS) and Juniper (Junos); observability tools (Grafana, Prometheus, Kentik, ThousandEyes); Python; bachelor's or equivalent experience.
streaming telemetry, SNMP, NetFlow, sFlow, Grafana, Prometheus, ThousandEyes, Kentik, Arbor, Arista (EOS), Juniper (Junos), Python, BGP, EVPN-VXLAN, IS-IS, OSPF, MPLS, QoS, TCP/IP, RDMA/RoCE, PFC, ECN, DCQCN
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1mo
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Network Engineer
McLean or Tampa or New York City or San Francisco or Los Angeles or Irvine or Washington
$76k-$141k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEBachelor's or equivalent experience, 5+ years network engineering, experience with AWS networking, Cisco and Palo Alto platforms, VMware, container networking, automation (Terraform, Ansible), scripting (PowerShell, Linux shell), monitoring (Nagios, Splunk), and ability to obtain U.S. national security clearance; U.S. citizenship required.
AWS, Transit Gateway, VPCs, Route53, Terraform, Ansible, GitHub, Nexus NX-OS, Catalyst IOS, Firepower FTD, FMC, PAN-OS, VMware vSphere, LACP, IPsec, IKEv2, ZTNA, SDP, Nagios, Splunk, Linux, Apache, Tomcat, PowerShell, Linux shell, SOC2, STIG, NIST
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2w
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Staff Network Engineer, Google Beam
Mountain View or Seattle or San Francisco
$176k-$257k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
10+ YOEBachelor's degree or equivalent experience; 10 years experience with network routing protocols, design, and troubleshooting with network equipment providers. Preferred: 2 years leading networking support strategy; large-scale network design; experience with WebRTC, QUIC, MoQ; traffic inspection and video streaming.
WebRTC, QUIC, MoQ
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3w
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Network Security Engineer
San Francisco or United States
HybridFull Time
Kargo
Kargo: Automates warehouse loading docks using computer vision sensor towers.
3+ YOE3+ years network security experience; strong networking knowledge (TCP/IP, DNS, DHCP, VPN, routing, switching); hands-on with firewalls, endpoint protection, vulnerability management; experience securing AWS or Google Cloud Platform; Bachelor’s in related field; security certifications preferred.
TCP/IP, DNS, DHCP, VPN, routing, switching, firewalls, endpoint protection, vulnerability management tools, AWS, Google Cloud Platform, WireGuards, Tailscale, SOC 2, ISO 27001, NIST
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Network Engineer
Fremont, California, United States
$120k-$150k/yr OnsiteFull Time
AMAX
AMAXTaiwan Stock Exchange: 6933: Designs and manufactures GPU-accelerated AI and HPC computing infrastructure.
Working knowledge of VLANs, routing, firewalls, load balancers; Ansible configuration-as-code; on‑prem/datacenter experience; Git proficiency; datacenter hardware skills; monitoring and Terraform experience preferred.
Ansible, Git, Docker, Kubernetes, Prometheus, Grafana, Alertmanager, Vault, Boundary, Keycloak, Jira, Confluence, Terraform, Terragrunt
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1mo
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Network Engineer
San Francisco, California, United States
$250k-$320k/yr OnsiteFull Time
Gimlet Labs
Gimlet Labs: Infrastructure for scaling and deploying high-performance agentic AI workloads.
Design, deploy, and operate production network infrastructure for high-performance AI compute; strong data center networking and automation experience.
Arista, Cisco, Juniper, NVIDIA networking platforms, Python, Ansible, Terraform
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3mo
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Network Engineer
Fremont, California, United States
$110k-$125k/yr OnsiteFull Time
Quanta Manufacturing
Quanta ManufacturingTWSE: 2382: Electronics design and manufacturing services for global technology brands.
2+ YOE2+ years network engineering; enterprise data center/public cloud; IPv4/IPv6, BGP/OSPF, VPN, LAN, L2 switching; Azure; Cisco/Meraki/Palo Alto/Fortinet; CCNA (required); CCNP (plus).
Azure, Cisco, Meraki, Palo Alto Networks, Fortinet, Prisma Access, Global Protect, PAN, NSG, BGP, OSPF, VPN, L2 Switching
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3w
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Cloud Network Engineer
Berlin or New York or San Francisco
€66k-€90k/yr OnsiteFull Time
Flatiron Health
Flatiron HealthSIX Swiss Exchange: ROG: Provides oncology software and clinical data for cancer research.
Experience designing and automating cloud-native network infrastructure, VPNs, firewalls, routing, observability, and infrastructure-as-code (Ansible/Terraform); familiarity with AWS/Azure/GCP, Docker, Kubernetes, and on-call duties.
Observium, Datadog, Ansible, Terraform, AWS, Azure, GCP, Docker, Kubernetes, AWS Transit Gateway, AWS Landing Zone, Palo Alto, Aruba
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2mo
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Network Engineer
San Francisco or San Jose
$278k-$417k/yr HybridFull Time
Lambda
Lambda: Provides high-performance GPU cloud infrastructure for AI development.
10+ YOE10+ years IT and networking experience; 6+ years designing/operating production data center networks; experience with Fortigate, AWS, GCP; strong Python/Ansible; automation and monitoring expertise across multiple vendors.
Python, Ansible, Linux, Datadog, Grafana, Prometheus, gNMI, OTel, Arista, Juniper, Cisco, Fortigate, AWS, GCP, OCI, Terraform
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3w
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Senior Network Engineer
Houston or Golden or Reno or Oakland or Salt Lake City
HybridFull Time
Fervo Energy
Fervo Energy: Generates clean electricity using advanced geothermal drilling technology.
10+ YOEBachelor's or equivalent experience, 10+ years network engineering, deep Fortinet hands-on experience, routing/switching (BGP, OSPF), IPsec/SSL VPN, cloud networking (Azure/AWS), troubleshooting, and documentation skills.
FortiGate, FortiSwitch, FortiAP, FortiManager, FortiAnalyzer, FortiNAC, Fortinet Secure SD-WAN, BGP, OSPF, IPsec, SSL VPN, Azure, AWS, Python
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1w
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Network Engineer
Woodland or Burlington
$110k-$125k/yr OnsiteFull Time
Sakata Seed America
Sakata Seed AmericaTokyo Stock Exchange: 1377: Breeding and distributing high-quality vegetable and flower seeds.
5+ YOEManage and maintain enterprise network and infrastructure, ensure security and availability, support projects, document systems, and troubleshoot issues.
Microsoft Windows Server, Microsoft Terminal Server, Windows 10/11, Microsoft Exchange, Microsoft Office 365, Microsoft Active Directory, Microsoft Entra, Microsoft Group Policies, VMware, Microsoft Hyper V, DHCP, DNS, TCP/IP, VPNs, SIEM, MDM
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1w
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Sr. Network Engineer
Scottsdale or San Francisco or Chicago or New York City
$94k-$130k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOEBachelor's or equivalent; 5+ years network engineering experience; expertise in LAN/WAN, routing protocols (BGP, OSPF, EIGRP), firewalls, load balancers, cloud networking (AWS), virtualization, scripting/automation (Python, Bash, Ansible); pass background and drug screen.
BGP, OSPF, EIGRP, Cisco, Palo Alto, F5, ESX, vSwitch, VDS, Python, Bash, Ansible, AWS, TCP/IP, DNS, DHCP, HTTP/S, SSH, SMTP
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