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31 junior network engineer jobs at 28 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
4w
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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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2w
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Network Planning Sales Engineer Associate (Fall 2026)
San Francisco, California, United States
$2k/wk OnsiteContract
Astranis
Astranis: Builds and operates small geostationary communications satellites.
New grads from a four-year university; strong system optimization and trade-study skills; process-oriented; scripting experience preferably Python; strong communication; U.S. citizen/LPR/refugee/asylee required.
Python
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1mo
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Software Engineer
Coppell or Dallas or San Francisco or Portland
HybridFull Time
Blackhawk Network
Blackhawk Network: Provider of branded payment and gift card solutions.
0+ YOE0–2 years cloud/networking experience. Foundational AWS networking, IaC (Terraform/CloudFormation), Python/Boto3 or Bash scripting, CI/CD familiarity, Linux comfort; AWS certifications preferred.
AWS, VPCs, Route 53, Elastic Load Balancing (ALB/NLB), Security Groups, Internet Gateways, AWS Transit Gateway, AWS Direct Connect, Site-to-Site VPNs, AWS WAF, Terraform, AWS CloudFormation, Python, Boto3, Bash, AWS CodePipeline, GitLab CI, GitHub Actions, Linux
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4w
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Infrastructure Engineer II - Wired Network Engineer
San Francisco, California, United States
$95k-$130k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
2+ YOEFormal training or certification and 2+ years applied infrastructure engineering experience; strong Cisco/Arista/Fortinet networking skills; BGP/OSPF, VLANs, STP, LACP, port-channels; network migration and cloud/scripting (Python) experience.
Cisco, Arista, Fortinet, BGP, OSPF, VLANs, STP, LACP, port-channels, Python, enterprise-authorized AI
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2mo
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Systems Engineer
Sacramento, California, United States
$95k-$125k/yr HybridFull Time
Grantek
GrantekNYSE: COR: Provides integrated automation and smart manufacturing engineering solutions.
4+ YOEEntry-level to mid-level engineer with hands-on experience in automation tech and strong problem-solving skills.
PLC Programming, SCADA, HMI, Networking, Database, C#, HTML5, NET, SQL, VB, VBA, Microsoft Office
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1mo
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Software Engineer
Coppell or San Francisco or Portland
HybridFull Time
Blackhawk Network
Blackhawk Network: Provider of branded payment solutions and gift cards.
0+ YOE0–2 years cloud or networking experience; foundational AWS networking knowledge; IaC experience (Terraform or CloudFormation); Python (Boto3) or Bash scripting; CI/CD familiarity; networking fundamentals; AWS certifications preferred.
AWS, Route 53, Elastic Load Balancing (ALB/NLB), Terraform, AWS CloudFormation, Python, Boto3, Bash, AWS CodePipeline, GitLab CI, GitHub Actions, Linux
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2mo
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Future Opportunities – Talent Network
Alameda, California, United States
OnsiteFull Time
Epia Neuro
Epia Neuro: A neural technology focused on developing intent-driven systems to restore function and independence for people with neurological conditions.
Evergreen opportunities across Engineering, Business Operations, and other domains; we stay connected with candidates as needs arise.
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3mo
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Technical Engineer
San Francisco, California, United States
$95k-$105k/yr OnsiteFull Time
Audacy
Audacy: Operates radio stations and produces podcast and streaming content.
3+ YOEMinimum 3 years in broadcast engineering; hands-on FM/HD/AM transmitter experience; AM directional antenna experience; FCC rules knowledge; strong communication and time-management skills; networking and digital audio/streaming experience; able to inspect, repair, and maintain broadcast gear.
Wide Orbit, News Boss, Audition, Livewire, Automation system, STL systems
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1mo
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Forward Deployed Infrastructure Engineer
San Francisco, California, United States
OnsiteFull Time
Sirius Technology: AI-powered retention platform for subscription-based businesses.
1+ YOE1+ year in infrastructure/DevOps/platform engineering or solutions architecture with customer-facing deployment experience; deep experience with AWS, Terraform, container orchestration, and cloud networking (VPC, IAM, DNS); strong operational and stakeholder communication skills.
AWS, Terraform, VPC, IAM, DNS, container orchestration, CRM, AI/ML, LLM
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2w
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Technical Operations Engineer
Alameda, California, United States
$132k-$155k/yr OnsiteFull Time
Saildrone
Saildrone: Designer and operator of autonomous unmanned surface vehicles.
2+ YOE2+ years supporting embedded systems or robotics; comfortable with Linux, serial/network protocols (CAN, RS-485, RS-232, SPI, I2C, TCP/IP); bachelor’s in engineering preferred; able to travel up to 30% and participate in on-call rotations.
Linux, CAN, RS-485, RS-232, SPI, I2C, TCP/IP, APIs
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1mo
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Platform Engineer (Kubernetes)
San Francisco, California, United States
$150k-$200k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOE2+ years software development; proficiency in Go and Kubernetes; experience with ArgoCD, CI/CD, cloud platforms (AWS, GCP, Azure); familiarity with Terraform, Helm, containerization, networking, and observability tools.
Go, Kubernetes, ArgoCD, Terraform, Helm, Ceph, WEKA, Prometheus, Grafana, Cilium, AWS, GCP, Azure, Ansible, Kubespray, Istio, Linkerd, CI/CD
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3w
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Network Field Services Technician (1 of 2)
San Francisco, California, United States
$91k-$194k/yr FieldFull Time
University of California, San Francisco
University of California, San Francisco: Public research university dedicated to health sciences and education.
1+ YOEBachelor's in CS/Engineering or equivalent, valid California driver’s license and UCSF transportation course, 1+ year network/field/IT experience (3 preferred), technical support and troubleshooting skills, ability to enter patient care areas.
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1w
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Software Engineer ||
Santa Clara or San Jose or Fremont or Mountain View or Newark or Fairfield
$124k-$171k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
2+ YOEBachelor's degree in related field, 2+ years' related experience, proficiency in C/C++, .Net, C#, operating systems, networking, algorithms, multithreading; strong communication and critical thinking.
C/C++, .Net, C#, Operating Systems, Networking, Algorithms, Multi-threading
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2mo
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Field Service Engineer II - San Francisco, CA
San Francisco or San Jose
$40-$45/hr RemoteFull Time
Danaher
DanaherNYSE: DHR: Develops scientific instruments and diagnostic tools for healthcare markets.
1+ YOEAssociate’s degree plus 1 year experience or equivalent military; valid driver’s license; ability to lift up to 50 lbs; remote work eligible.
Diagnostics equipment, Electromechanical equipment, Networking
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4w
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Technology Engineer - (1042) - Networks Specialty - Citywide (C00091)
San Francisco, California, United States
$144k-$190k/yr OnsiteFull Time
City and County of San Francisco
City and County of San Francisco: Provides public services and governance for the San Francis area.
1+ YOEAssociate degree in computer science/engineering/information systems or equivalent experience; 1 year analyzing/instaling/configuring/maintaining systems or platforms; knowledge of networking, routing, firewalls, wireless and documentation.
EIGRP, CCNA, VLANs, 802.1x
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3w
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Response Engineer - CMDC
Bengaluru or San Francisco
OnsiteFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
2+ YOE2+ years SOC/technical support or network operations experience; strong networking fundamentals (TCP/IP, UDP, ICMP, DNS, BGP); experience analyzing network traffic and mitigating L3/L4/L7 attacks; Bash and system administration experience; customer-facing communication skills.
Magic Transit, Web Application Firewall (WAF), Bash, Linux, Mac, Windows, tcpdump, Wireshark, Python, APIs, GraphQL, Prometheus, Grafana
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3w
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Security Engineer
San Francisco, California, United States
$140k-$185k/yr OnsiteFull Time
Vals AI
Vals AI: Building enterprise benchmarks for evaluating LLM performance.
2+ YOE2+ years professional experience; expertise in network, application, and cloud (AWS) security; monitoring, MDM/EDR, risk assessment, and ability to write/review code.
AWS, IAM, Tailscale, VPN, MDM, EDR, DNS, Python, Django, React, CDK
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1w
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Software Engineer ||
Santa Clara or San Jose or Mountain View or Fremont or Newark or Fairfield
$124k-$171k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
2+ YOEBachelor's degree required, 2+ years related experience, proficiency in C/C++, .Net, C#, and strong skills in algorithms, multi-threading, networking and software troubleshooting.
C/C++, .Net, C#
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2w
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Information Security Engineer 4
Fremont, California, United States
$92k-$211k/yr HybridFull Time
Lam Research
Lam ResearchNASDAQ: LRCX: Manufacturing equipment used to fabricate advanced semiconductor microchips.
2+ YOEFoundational information security engineering experience; hands-on work with security tools (endpoint, identity, network, cloud); troubleshooting, documentation, and collaboration skills. Bachelor’s degree preferred; 2+ years experience preferred; relevant certifications (Security+, CISSP, CISM) preferred.
SIEM, SOAR
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2mo
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IT / DevSecOps Engineer Contractor
Alameda, California, United States
HybridContract
Rain
Rain: Autonomous aircraft software for early wildfire containment.
Part-time contract DevSecOps role for a student or recent graduate; 16-20 hrs/week; Linux, networking, Git; automation, security; remote with onsite in Alameda (hybrid).
Linux, Git, VPNs, TCP/IP, DNS, virtualization, containerization, infrastructure-as-code, configuration management
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