89 network software engineer jobs at 38 companies in Simi Valley, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Senior Network Software Engineer I/II
Long Beach, California, United States
$130k-$190k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOEBachelor's in CS/SE/aerospace, 5+ years relevant experience (8+ for level II), comprehensive network software knowledge, SDLC experience, Jira proficiency, systems engineering experience, active Secret clearance, U.S. citizenship required.
Jira, Microsoft Project, Smartsheet, Docker, Kubernetes, DevSecOps, Space Development Agency (SDA) NEBULA
3w
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Staff Platform Network Engineer
Atlanta or Jersey City or New York City or Los Angeles or United States or Canada or Puerto Rico or United Kingdom or Ireland or Portugal or Romania or Australia
$159k-$209k/yr HybridFull Time
FanDuel
FanDuelNYSE: FLUT: Offers online sports betting and daily fantasy sports services.
Senior platform/SRE engineer with significant hands-on experience in service mesh and Kubernetes networking, hybrid AWS connectivity, automation/Infra-as-Code, and software engineering (Go/Java/Python/TypeScript); strong communication and incident leadership skills.
Kong Gateway, Kong Mesh, Impart, AWS, VPC, Transit Gateway, Cloud WAN, ALB, NLB, Route 53, CloudFront, Outposts, Kubernetes, EKS, Terraform, Helm, Datadog, Istio, Linkerd, Envoy, CNIs, Gateway APIs, Go, Java, Python, TypeScript, eBPF, Cilium
1mo
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Software Engineer, Network Monitoring (Starlink)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOESTEM bachelor +1yr experience or 3+ yrs software development; frontend (Angular/React), backend (Python, C#, .NET, Go, Scala, Java); PostgreSQL/CockroachDB; Docker, Kubernetes; experience with real-time analytics, anomaly detection, and on-call rotations.
Angular, React, Python, C#, .NET, Go, Scala, Java, PostgreSQL, CockroachDB, Docker, Kubernetes
2mo
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Staff Software Engineer, Network Expansion
Los Angeles or New York City or Seattle
$220k-$250k/yr OnsiteFull Time
Metropolis
Metropolis: Computer vision technology for checkout-free parking and retail payments.
10+ YOE10+ years in software development; MS or BS in Computer Science; distributed systems; microservices; Agile with CI/CD; MySQL/PostgreSQL; strong communication; cross-functional collaboration.
TypeScript, React, Scala, Java, MySQL, PostgreSQL, Snowflake, AWS, Git, GitHub, Copilot, Claude Code, Datadog
1w
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Staff Software Engineer - Cloud
El Segundo or San Diego
$177k-$266k/yr HybridFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEUS Secret-clearable software engineer with 8+ years experience; experience with VMs/containers, IaC, Docker, Kubernetes, cloud platforms, scripting/coding, software-defined networking, and Agile tools (Jira/Confluence).
Infrastructure as Code (IaC), Docker, Kubernetes, ArgoCD, Flux, Gitlab, Jira, Confluence, Linux, Windows, Azure, AWS
1mo
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Ground Software Engineer
Torrance or Los Angeles
$123k-$150k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
3+ YOE3+ years software engineering experience or relevant degree; experience with Rust, TypeScript/Vue, backend/frontend development, APIs, SQL, Docker/Kubernetes, networking and data streaming; strong collaboration and mentoring skills.
Rust, TypeScript, Vue, Go, C++, Java, C#, JavaScript, React, Svelte, Docker, Kubernetes, WebSockets, Server-Sent-Events (SSE), HTTP, gRPC, SQL, PostgreSQL, NATS, Pulsar, TCP/IP, UDP, QUIC, SOC2, FedRAMP
20h
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Staff Software Engineer, Data Integrations
Mountain View or Los Angeles or New York City or San Francisco
$210k-$275k/yr HybridFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
10+ YOEBachelor's/Master's in CS or equivalent; 10+ years software engineering with staff-level architecture experience; deep distributed systems, databases, networking, observability, GCP/Kubernetes, Python/Go; HIPAA/SOC2 familiarity.
Temporal, Postgres, Redis, GCP, Kubernetes, Knative, Python, Go, HL7 v2, FHIR, Epic, Cerner, Athenahealth
2mo
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Senior Software Engineer
Los Angeles, California, United States
$150k-$212k/yr OnsiteFull Time
Parallel Systems
Parallel Systems: Building autonomous battery-electric rail vehicles for freight transportation.
5+ YOE5+ years backend or systems software; proficiency in C/C++/Rust; OS, networking, concurrency; build high-performance distributed systems.
Rust, C, C++, Linux, Docker, Kubernetes
4w
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Network Modelling and Simulation Engineer
El Segundo, California, United States
$129k-$194k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
6+ YOEBachelor's in CS/CE/EE or related; 6+ years in data analysis, OSI/TCP-IP, network design and modeling/simulation; deep routing/switching knowledge; software development in Python or C/C++; ability to present results; ability to obtain security clearance (U.S. citizenship required); travel up to 10%.
Python, C/C++, OSI model, TCP/IP
1w
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Software Test Engineer
Los Angeles, California, United States
$36-$43/hr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
Bachelor's in CS/CE/EE or related, strong Python/C/C++ skills, experience on Windows/Linux/MacOS/Android/bare metal, understanding of software testing and networking, U.S. citizenship required, background check and drug test.
Python, C, C++, Windows, Linux, MacOS, Android, Wireshark, TCPDump, PuTTY, Minicom, web browser development tools
1mo
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Software Deployment & Integration Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$145k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's in STEM or equivalent experience, 3+ years in systems/software integration or test engineering, strong Linux administration, Python/Bash scripting, networking, system bring-up, test automation, and clear technical documentation skills.
Python, Bash, Linux, Ubuntu, Docker, Microsoft Azure CLI, Jsonnet, Ansible, Playwright, Selenium, Cypress, chrony, linuxptp, timemaster, PTP, NTP, GNSS
2mo
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Staff Embedded Software Engineer, Communications Systems
Long Beach, California, United States
$181k-$249k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEBS/MS in Computer Science or Electrical Engineering; 5+ years in systems programming; C, Linux drivers, embedded/RTOS; network programming; hardware interfaces.
C, Linux, Device drivers, Networking, Sockets, OSI 2-3, Embedded
1w
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Senior Software Systems Engineer
Boston or Los Angeles or Colorado Springs
$156k-$244k/yr RemoteFull Time
Revolution Space
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's in CS/Engineering,10+ years systems engineering experience, proficiency in programming and OS, knowledge of networking,V&V and requirements management,ability to obtain U.S. government clearance.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, MS Excel, DOORS, Large Language Models, AWS, Azure, GCP, Ansible, Docker, Kubernetes, MBSE, SysML
3w
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Senior Embedded Software Engineer
Playa Vista, California, United States
$139k-$201k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
5+ YOEBachelor's in a technical discipline, 5+ years embedded software experience, strong C/C++ and Python skills, bare-metal/RTOS/Embedded Linux experience, hardware bring-up and debugging, familiarity with embedded protocols and DDS/CoAP/MQTT networking.
C, C++, Python, Git, DDS, Cyclone DDS, Fast DDS, RTI Connext, CoAP, MQTT, gRPC, REST, TCP/IP, UDP, Ethernet, FreeRTOS, Zephyr, Embedded Linux, Yocto/OpenEmbedded, Buildroot, PetaLinux, PCIe, GigE Vision, USB 3.0, CameraLink, Aurora, GMSL, FPGA, HDL, NXP i.MX RT, STM32, TI Sitara, Xilinx Zynq, AMD Versal, Board Support Packages (BSPs), Hardware-in-the-Loop (HIL), Oscilloscope, Logic analyzer, Protocol analyzer, JTAG debugger
1mo
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Engineer / Principal Engineer Software - Cloud & Applications
El Segundo, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEAbility to obtain U.S. government clearance; experience with IaC, containers (Docker, Kubernetes), VMs, networking, Linux/Windows, microservices, scripting (C, C++, Java, Python), and Agile tools (Jira, Confluence).
VMs, Docker, Kubernetes, Linux, Windows, C, C++, Java, Python, Infrastructure as Code (IaC), Jira, Confluence, Azure, AWS, AWS IAM, Azure AD, git, ArgoCD, Flux, GitLab, ACL, Security Groups, WAF
2w
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Software Engineer III, Device Connectivity
Atlanta or Boston or Chicago or Denver or Los Angeles or New York City or San Francisco or Austin or United States
$130k-$160k/yr RemoteFull Time
Flock Safety
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
3+ YOE3+ years in embedded/OS-level development, deep Android/AOSP and cellular connectivity experience, telemetry and networking proficiency, strong cross-functional collaboration and communication.
Android, AOSP, SELinux, Radio Interface Layer (RIL), AT commands, eSIM, Qualcomm, TCP/IP
1mo
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Embedded Software Dev Engineer III, Amazon Leo for Government - Leo Modem Module Software Team
Redmond or Arlington or Northridge
$168k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEU.S. citizen required. 5+ years professional software development and systems design experience. Bachelor's degree required; Master's preferred. Experience with embedded Linux/RTOS, networking protocols, hardware-software integration, and mentoring engineers.
Embedded Linux, RTOS, TCP/IP, UDP, logic analyzers, oscilloscopes
2mo
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Senior Flight Software Engineer (Remote)
Los Angeles, California, United States
$185k-$215k/yr RemoteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
8+ YOE8+ years flight software experience; US Person; BS in CS/EE or equivalent; Python, C++, Rust; real-time distributed systems; embedded Linux (Yocto); CCSDS/ECSS familiarity; network protocols (TCP/IP, UDP); Protobuf; encryption.
Python, C++, Rust, Embedded Linux, Yocto, CCSDS, ECSS, Protobuf, TCP/IP, UDP, Encryption
3mo
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Software Engineer
El Segundo, California, United States
OnsiteFull Time
Durin
Durin: Builds and operates automated drill rigs for mineral exploration.
Proficient in Python, TypeScript, Rust; SQL and message brokers; AWS, Kubernetes, Docker, Terraform; on-prem/cloud networking; cloud security; incident response; industrial hardware experience.
Python, TypeScript, Rust, SQL, AWS, Kubernetes, Docker, Terraform, Snowflake, Databricks
2w
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Senior Mission Systems Software Engineer (C2)
Gardena or Huntsville
OnsiteFull Time
Singularity Defense
Singularity Defense: Develops low-cost autonomous missile and air defense systems.
Expert modern C++ and Linux experience, strong CS fundamentals, networking knowledge, hardware-adjacent software experience, ability to obtain U.S. security clearance, and willingness to travel up to 20%.
C++, C++23, Linux, TCP/UDP, DNS, DDS, ROS, ROS2, NixOS, REST, gRPC, protobuf