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21 junior platform engineer jobs at 13 companies in Menifee, 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
3d
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Platform Engineer II
Aliso Viejo, California, United States
$173k-$225k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
2+ YOEMaster’s degree or equivalent and 2 years experience developing and securing infrastructure services using Docker, Typescript, Golang; monitoring with Prometheus/Grafana and Elastic Stack; Kubernetes and eBPF experience.
Docker, Typescript, Golang, Prometheus, Grafana, Elastic Stack, eBPF, Cilium, GDB, Wireshark, Kubernetes, Linux
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1w
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Platform Engineer II
Newport Beach or Charlotte
$113k-$139k/yr OnsiteFull Time
Pacific Life
Pacific Life: Provides life insurance, annuities, and investment products for financial security.
0+ YOEBachelor's or equivalent experience,0–4 years in enterprise IT or digital workplace support,experience with scripting/API integrations (PowerShell, Python, HTTP),familiarity with identity/access and operational analytics.
PowerShell, Python, HTTP
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1mo
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Systems Engineer, Launched Effects
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOE2+ years programming (Python, C++, or Rust), degree in engineering or computer science, safety-critical development and V&V experience, cloud platform familiarity, data modeling and AI/ML skills, willing to travel up to 25%, eligible for U.S. security clearance.
Python, C++, Rust, AWS, Azure, Google Cloud, Palantir Foundry, Tableau, AFSIM, JIRA, Confluence
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2mo
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Embedded Systems Engineer-Federal
Irvine or Mission Viejo
$70k-$300k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Experience with embedded compute, Linux, firmware, ROS, and system integration for robotic platforms. Federal program experience preferred.
C++, Python, ROS, Linux, Ubuntu, Yocto, JetPack, ARM, x86, ROS2
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1mo
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Software Development Engineer II – CI/CD & Platform Automation (Mission-Focused)
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years DevOps/CI-CD/platform automation experience; hands-on with CI/CD pipelines, Docker, Python/JavaScript, IaC (Terraform/AWS CDK/Ansible), cloud (AWS/Azure); US citizenship and active Top Secret/SCI clearance required; Bachelor's in a STEM field.
GitHub Actions, Microsoft Azure DevOps, GitLab CI, Jenkins, YAML, Docker, Conda, Python, JavaScript, Rust, Ansible, AWS CDK, Terraform, Kubernetes, Amazon S3, Microsoft Azure Blob Storage, Software Bill of Materials (SBOM), SAST, DAST
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Associate, Software Engineer (38768)
Yorba Linda, California, United States
$76k-$141k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
Pursuing or recently completed Bachelor’s in CS, CE, SE, EE, or related; knowledge of embedded/real-time software, SDLC, and listed languages/platforms; strong communication and analytical skills.
C++, C#, C, Java, Ruby, JEE, HTML5, XML, SQL, Qt, Perl, Python, Ajax, Microsoft Windows, Linux, Unix, VxWorks, QNX, Integrity, Microsoft Windows CE, Microsoft .NET, SOA, RTOS, Hadoop, Android, Embedded Systems
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1mo
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Autonomy Software Engineer
Arlington or Atlanta or San Diego or Woburn or Boston or Dayton or Melbourne or Carlsbad
$174k-$225k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
2+ YOEProficiency in modern C++, multi-threaded and real-time development, CI/CD and test-driven practices, cross-platform (Windows/Linux/iOS), hardware/software integration, ability to obtain U.S. secret clearance; 2+ years (PhD), 5+ (MS), 7+ (BS).
Modern C++, MATLAB, Live-Virtual-Constructive (LVC), Windows, Linux, iOS, CI/CD, OMS/UCI, A-GRA
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2w
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Software Development Engineer (Firmware)
Irvine, California, United States
$98k-$131k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Embedded firmware development using C/C++, Python familiarity, embedded systems fundamentals, and interest in ARM/microcontroller platforms. Right to work in the US required.
C, C++, Python, ARM, Raspberry Pi, Arduino
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2w
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Software Development Engineer (Java)
Irvine or Dallas or Austin
$107k-$130k/yr HybridFull Time
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
2+ YOE2+ years software development experience; proficiency with Java, Spring Boot, REST/GraphQL APIs, cloud platforms (GCP), CI/CD; strong problem-solving and communication skills.
Java, GraphQL, Google Cloud Platform (GCP), Spring Boot, Spring Framework, Spring MVC, Spring Data, REST APIs, CI/CD, GitHub Copilot, Gemini
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4w
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Audio Visual Field Engineer
Irvine, California, United States
$28-$36/yr FieldFull Time
IES Holdings
IES HoldingsNASDAQ: IESC: Provider of integrated electrical and technology infrastructure services.
2+ YOE2+ years AV installation experience; proficient with commercial AV systems, InfoComm standards, AV one-line drawings, structured cabling, Crestron programming, video conferencing platforms, PC & networking; able to lift 50–75 lbs and travel within territory.
Crestron, Crestron Digital Media, Polycom, Tandberg, Cisco, LifeSize, Biamp, AMX, Clearone
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4d
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Associate Product Manager II, Arm-based Computing Platform
Tustin, California, United States
$70k-$80k/yr OnsiteFull Time
Advantech
AdvantechTaiwan Stock Exchange: 2395: Global provider of industrial IoT and embedded computing solutions.
2+ YOE2+ years in product/project management or product engineering (industrial PC preferred); strong Arm architecture and Linux knowledge; excellent communication and cross-functional coordination skills; US export-eligibility required.
Arm, Linux, Microsoft Office, Oracle PLM, SAP, Salesforce.com
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1d
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Automotive Technician
Upland, California, United States
$18-$20/hr OnsiteFull Time
Team Car Care
Team Car Care: Operates the largest network of Jiffy Lube service centers.
1+ YOE1-3 years automotive experience, 1-2 years brake experience, ASE A5 required, ability to diagnose/repair engine, suspension, electrical, HVAC systems, high school diploma or equivalent, able to road-test vehicles and use parts/vendor platforms.
All DATA, AutoZone, O'Reilly, Advance Auto Parts, NAPA
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1mo
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Software Engineering Intern, Embedded Platforms - Fall 2026
Palo Alto or Irvine
$38-$51/hr OnsiteMultiple Commitments Available
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture focusing on automotive software and hardware technology.
0+ YOECurrently enrolled in a Bachelor's or Master's program; proficient in C++.
C++, Python, Shell, Go, Embedded Linux, RTOS, CAN, Ethernet, SPI, I2C
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