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377 junior network engineer jobs at 172 companies in California

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Senior Engineer, Network Observability
Warsaw or Bellevue or Ireland or Livingston or London or New York or Sunnyvale
OnsiteFull Time
CoreWeave
CoreWeaveNasdaq: CRWV: Specialized cloud provider for large-scale AI and machine learning.
Experience building and operating network observability: Prometheus/Grafana/Alertmanager, gNMI/SNMP, Python/Go/Bash, Kubernetes, Linux networking; telemetry collectors/exporters, on-call support, and mentoring junior engineers.
Prometheus, Grafana, Alertmanager, gNMI, SNMP, Python, Golang, Go, Bash, Kubernetes, Ansible, Jinja2, TensorFlow, scikit-learn, OpenTelemetry, Jaeger, Zipkin, Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, SR Linux, Linux
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Network Engineer, Edge Networking
San Jose, California, United States
OnsiteFull Time
ByteDance
ByteDance: Global technology specializing in AI-powered content platforms.
1+ YOEB.S./M.S. in Telecommunications/Electrical Engineering/Computer Science, 1+ year data-center network engineering experience, strong BGP/MPLS/SR-TE knowledge, IPT/IXP/PNI and CDN/edge experience, troubleshooting and cross-team collaboration skills.
BGP, MPLS, SR-TE, IPT, IXP, PNI, CDN, IPv6, IPv4
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1d
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Optical Network Engineer, Infrastructure Services
Texas or Colorado or California
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
2+ YOERequires 2+ years in project engineering or lead roles for large-scale network deployments, optical transport expertise, carrier-grade networking experience, and dark fiber troubleshooting; 8+ years preferred.
Nokia, Ciena, Cisco, Python, C++
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Cloud Network Engineer
Berlin or New York or San Francisco
€66k-€90k/yr OnsiteFull Time
Flatiron Health
Flatiron Health: Healthtech providing oncology data, AI, and point-of-care software to cancer-care providers, researchers, and biopharma companies.
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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Network Solution Engineer
Irvine, California, United States
$115k-$135k/yr OnsiteFull Time
FieldAI
FieldAI: Develops embodied AI software for autonomous robots.
2+ YOE2–3 years field deployment or network operations experience; strong Wi‑Fi and cellular fundamentals; Linux and terminal comfort; scripting (Python/Bash) a plus; customer-facing communication skills.
Sierra Wireless XR60, GL-X3000, GL.iNet, OpenWrt, Tailscale, Linux, SSH, Python, Bash
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Network Production Engineer, Infrastructure
Menlo Park, California, United States
$122k-$181k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Builds technologies that help people connect, find communities, and grow businesses.
2+ YOEBachelor's in CS/CE or equivalent,2+ years planning/designing/operating scalable networks,2+ years coding (Python,Go,C++,Java),knowledge of TCP/IPv4/6 and routing protocols,experience with multi-vendor network configs.
Python, Go, C++, Java, TCP, IPv4, IPv6, BGP, MPLS, ISIS, DHCP, DNS, Juniper, Cisco, Arista, Brocade
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Network Validation Engineer
San Jose, California, United States
$90k-$105k/yr OnsiteFull Time
Supermicro
SupermicroNASDAQ: SMCI: Total IT solution provider for AI, cloud, storage, and 5G/edge.
2+ YOEBachelor's or master's degree in electrical engineering, computer engineering, or computer science; 2+ years in hardware/networking; web testing, networking, Python, and Bash scripting experience.
Selenium, Cypress, PlayWright, REST API, Postman, curl, SONiC, TCP/IP, SDN, InfiniBand, Linux, Windows, Python, Bash, PowerShell
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Sr. Network Engineer
Hawthorne, California, United States
$110k-$135k/yr OnsiteFull Time
Astrolab
Astrolab: Private American aerospace building commercial planetary rovers for human and commercial operations on the Moon and Mars.
2+ YOEBachelor's degree in a STEM field or equivalent experience, 2+ years supporting enterprise networks, and experience configuring network infrastructure. Preferred: 6+ years, cloud networking, firewalls, routing, NIST/CMMC, and IaC.
NIST 800-171, NIST 800-53, Ansible, Chef, Puppet, Microsoft Azure, Virtual WAN, Azure ExpressRoute, VPN Gateways, TCP/IP, DNS, DHCP, BGP, OSPF, RADIUS, TACACS+, IPSec, Multicast, 802.1X, VRRP, HSRP, Cisco, Juniper, Palo Alto, Aruba, Silver Peak, CMMC, Infrastructure as Code (IaC)
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Network Engineer
San Diego, California, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Premier technology integrator for defense, space, and civilian markets.
1+ YOEBachelor's plus 2 years or master's plus 0 years, or equivalent experience; 1+ year supporting military networks; Cisco, Windows Server, or Linux administration; U.S. citizenship; active Secret clearance; DoD IAT Level II certification.
Cisco, Windows Server, Linux, ADNS, ISNS, CANES, FSW, CENTRIXS, Legacy SCI, VIXS, WRBS, 802.11, WPA3, 802.1X, Microsoft Server Hybrid Administrator Associate, CCNA, Linux+, VCP
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OT Network Engineer - Pharmaceutical
Tarzana, California, United States
$102k-$152k/yr OnsiteFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Global science-led biopharmaceutical.
2+ YOERelevant engineering qualifications and 2–3 years of experience required; project management, GMP, safety, health, environmental, and SOP knowledge required. Engineering bachelor's degree and pharmaceutical experience preferred.
Lean
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OT Network Engineer - Pharmaceutical
Los Angeles or Tarzana
$102k-$152k/yr OnsiteFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Global science-led biopharmaceutical.
2+ YOERelevant engineering qualifications and 2–3 years of experience required; project management and pharmaceutical industry experience preferred, with knowledge of GMP, safety, health, environmental standards, and SOPs.
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OT Network Engineer - Pharmaceutical
Tarzana, California, United States
$102k-$152k/yr OnsiteFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Global science-led biopharmaceutical.
2+ YOERelevant engineering qualifications, project management experience, knowledge of GMP, safety, health, environment, and SOPs, plus 2–3 years of relevant experience; pharmaceutical experience preferred.
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5d
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Cryptographic Test Engineer & Network Engineer
San Diego, California, United States
$85k-$110k/yr OnsiteFull Time
Nathan Kunes Incorporated
Nathan Kunes Incorporated: Private defense engineering serving commercial and government clients with secure software, systems engineering, and information-assurance solutions.
2+ YOEBachelor's degree in computer science, information systems, or related field; 2+ years relevant experience; networking, Linux/CentOS, cryptographic devices, PKI, VPN, SSH, and monitoring tool experience. U.S. citizenship and DoD clearance eligibility required.
Cisco IOS, Linux, CentOS, VPN, SSH, Snort, PKI
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1d
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Network Engineer - 26-033
San Diego, California, United States
$105k-$115k/yr OnsiteFull Time
AUSGAR Technologies
AUSGAR Technologies: Service-disabled veteran-owned defense contractor providing cybersecurity, experimentation, engineering, and unmanned-systems services to U.S. military customers.
2+ YOEActive Top Secret clearance, Security+ CE and CCNA certifications, bachelor's degree in engineering or computer science, and 2–6 years of experience. Requires network, encryption, analytical, and technical writing skills.
routing, switching hardware, Quality of Service (QoS), Wide Area Networks (WANs), Local Area Networks (LANs), very small aperture terminals (VSAT), Cisco Software Defined Wide Area Network (SD-WAN)
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Network Engineer I
Rancho Mirage, California, United States
OnsiteFull Time
Eisenhower Health
Eisenhower Health: Non-profit hospital and health system serving California's Coachella Valley.
2+ YOEAssociate's degree in IT or 2 years IT experience, Network+ or Security+ required, CCNA preferred, 2 years IT experience, ability to support switches, routers, Wi-Fi, and participate in after-hours on-call support.
Cisco CLI, JIRA
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3w
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Network Engineer
San Diego, California, United States
$101k-$151k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
0+ YOEBachelor's degree with 2 years of experience, master's degree with no experience, or 4 additional relevant years. Requires OSPF, BGP, Cisco IOS, Junos, Linux, packet analysis, U.S. citizenship, and Secret clearance eligibility.
OSPF, IS-IS, BGP, Cisco IOS, Junos, GNS3, EVE-NG, RHEL, Linux
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3w
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Network Engineer
San Diego, California, United States
$101k-$151k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
2+ YOEBachelor's degree with 2 years of experience, master's degree with no experience, or 4 additional relevant years. Requires OSPF, IS-IS, BGP, Cisco IOS, Junos, GNS3, EVE-NG, RHEL Linux, packet analysis, U.S. citizenship, and Secret clearance eligibility.
OSPF, IS-IS, BGP, Cisco IOS, Junos, GNS3, EVE-NG, RHEL, Linux
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3w
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1520 - Network Engineer I - III
San Diego, California, United States
$75k-$140k/yr OnsiteFull Time
Sigma Defense
Sigma Defense: Defense technology providing CJADC2, C5ISR, and DevSecOps solutions to U.S. military branches and government agencies.
0+ YOERequires a bachelor's or technical degree, U.S. citizenship, 0–7+ years of experience depending on level, Security+ or CISSP, an industry certification, network security expertise, automation skills, and ability to obtain Secret clearance.
Cisco ISE, Aruba ClearPass, FortiNAC, Forescout, Cisco Firepower, Palo Alto, Zscaler, Ansible, Python, PowerShell, VOIP, NTP, VLAN, SD-WAN, IPv6, STIGs, EAP, HSA, FSA, DFSA, 401(k)
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Network Modelling and Simulation Engineer - MTS/Sr MTS
El Segundo, California, United States
$95k-$166k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides independent technical research and advisory services for space programs.
1+ YOEBachelor's in CS/CE/EE or related, 1+ years (MTS) or 3+ years (Sr MTS) experience in network design/analysis and modeling & simulation, Python or C/C++ development, OSI/TCP-IP knowledge, ability to obtain U.S. security clearance, willing to travel up to 10%.
Python, C/C++, OSI, TCP/IP
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Network Engineer - IS Communications Specialist II - Limited Term
San Mateo County or Redwood City or San Francisco or San Jose
$129k-$162k/yr OnsiteTemporary
Technology Services Department
Technology Services Department: County government technology department providing infrastructure, applications, communications, and digital services to county departments and residents.
2+ YOERequires two years of network technical support experience, including installation, configuration, maintenance, repair, and troubleshooting. Coursework or training in information systems, computer science, or a related field is expected.
EIGRP, OSPF, BGP, IPSec, GRE, ACL, VLAN, Aruba, ClearPass, AirWave, SolarWinds, Arista, Arista CloudVision, HPE, Silver Peak, Cradlepoint, Cradlepoint NetCloud Manager, Cisco ASA, Palo Alto, F5, DNS, DHCP, IPAM, CCNA, CCNP, SDWAN, SDN
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