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15 platform reliability engineer jobs at 13 companies in Fontana, CA

22h
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Staff AI Platform & Reliability Engineer
Santa Ana, California, United States
$172k-$220k/yr OnsiteFull Time
eJam
eJam: Builds and scales direct-to-consumer e-commerce brands.
Senior Python/GCP engineer to design and operate AI generation services, provider integrations, billing/usage metering, tenant security and platform reliability.
Python 3.12, FastAPI, Pydantic, asyncio, Cloud Run, Pub/Sub, Cloud Tasks, GCS, Firestore, Cloud SQL/Postgres, SQLAlchemy, Alembic, Terraform, IAM/OIDC, Secret Manager, CI/CD, NestJS, TypeScript, Claude Code, Codex, Cursor
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2w
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Lead Site Reliability Engineer
Los Angeles, California, United States
$140k-$199k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
7+ YOE7+ years in release/reliability engineering, cloud platform experience (AWS/Azure/GCP), automated deployment and observability proficiency, scripting with PowerShell/Bash/Python, excellent troubleshooting and communication skills.
AWS, Azure, GCP, PowerShell, Bash, Python
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1mo
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Site Reliability Engineer, Client Platform
Los Angeles, California, United States
$164k-$270k/yr OnsiteFull Time
Hadrian
Hadrian: Building autonomous factories for aerospace and defense manufacturing.
Experience building scalable automation, strong scripting (Python, Bash, PowerShell), IaC (Ansible, Terraform), MDM platform administration, patch/vulnerability remediation, endpoint hardening, and translating CMMC/compliance into code-managed baselines. ITAR eligibility required.
Python, Bash, PowerShell, Ansible, Terraform, Chef, Salt, Puppet, Pulumi, Fleet DM, Microsoft Intune, Workspace ONE, Jamf, osquery
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2mo
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Senior Platform Engineer
Santa Monica or Lower Manhattan or San Francisco or Los Angeles
$150k-$200k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
5+ YOE5+ years in platform, infrastructure, or software engineering; strong Python; cloud-native systems (GCP); Terraform; CI/CD; containers; event-driven architectures; security and reliability.
Python, Terraform, GitHub Actions, Kubernetes, Docker, Kafka, Pub/Sub, Kinesis, Google Cloud Platform
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1mo
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Manager, Software Engineering (Reliability Platform)
United States or California or Washington or New York or New Jersey or Connecticut or Los Angeles or San Francisco
$204k-$290k/yr RemoteFull Time
Affirm
AffirmNasdaq: AFRM: Financial platform providing installment loans for consumer purchases.
7+ YOE2+ Mgmt7+ years backend/full-stack engineering experience with 2+ years engineering leadership; SRE/production engineering experience; observability and platform-building experience; strong programming (Python, Kotlin, Java); Bachelor\u0002s degree or equivalent experience.
Python, Kotlin, Java
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1mo
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Principal Engineer, Digital Workplace Technology Engineering
New York or New Jersey or Los Angeles or United States
$180k-$210k/yr RemoteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
12+ YOE12+ years in enterprise/platform engineering; deep expertise in Microsoft 365, endpoint management (Intune, JAMF, SCCM), Azure, enterprise AI (Copilot, Power Platform), architecture, SRE principles, and large-scale platform transformations.
Microsoft 365, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Exchange Online, Microsoft Entra ID, Microsoft Purview, Microsoft Defender, Microsoft Intune, JAMF, Microsoft SCCM, Microsoft Copilot, Copilot Studio, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Azure, MLOps, DevOps
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1mo
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Software Engineer, Agent Platform
Washington or Costa Mesa
$220k-$292k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Strong backend engineering experience building production platforms; deep expertise in LLM agent framework design and evaluation; familiarity with model post-training workflows (SFT, RL); emphasis on reliability and partnering with ML/product teams.
Lattice OS, Langchain, Deepagents, Claude SDK, Kubernetes, Docker
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3mo
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DevOps Engineer, Web Platform
Irvine, California, United States
$115k-$190k/yr HybridFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
3+ YOE3–8 years in DevOps, infrastructure, or production engineering; strong AWS and containers; CI/CD pipelines; modern web stacks (Node.js, TypeScript, React); production systems management; release reliability testing.
AWS, Docker, Kubernetes, GitHub Actions, Node.js, TypeScript, React, MongoDB
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1mo
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Staff Software Engineer, Storage Platform
Long Beach, California, United States
$181k-$249k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOE5+ years kernel/driver development experience (PCI/PCIe, block storage), strong Linux internals and storage systems (ZFS/OpenZFS, NVMe, NFS), experience with fault injection and reliability modeling, hardware lab prototyping.
Linux, OpenZFS, ZFS, NFS, NVMe, PCI, PCIe, Yocto, Buildroot, ftrace, perf, bpftrace, kdump, vmcore, serial console, logic analyzer
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3d
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Sr Avionics Test Systems Engineer, Ground Systems
Long Beach, California, United States
$148k-$222k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEBS/MS/PhD in engineering field,5+ years designing and deploying test or electrical integration systems in aerospace/high-reliability environments,knowledge of signal integrity,grounding,power,electromechanical systems,and DAQ platforms.
NI, Beckhoff, NX, Teamcenter, Zuken, Altium Designer, Python, MATLAB, Ethernet, RS-422, CAN, MIL-STD-1553, UART, SPI
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1w
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Staff Data Engineer
Los Angeles or Santa Ana or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France or United States
$165k-$250k/yr RemoteFull Time
Collectors
Collectors: Providing authentication and grading services for high-value collectibles.
8+ YOE8+ years building data platforms with BigQuery/dbt and modern ingestion tools, expert SQL and Python, cloud experience (GCP/AWS), AI-assisted development (Claude Code), and strong reliability and governance practice.
Hevo, Estuary, Google BigQuery, dbt, Claude Code, Python, SQL, GCP, AWS, CI/CD
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1mo
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Engineering Manager, Content Data Foundations
Los Gatos or Los Angeles
$436k-$710k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
3+ Mgmt3+ years managing distributed engineering teams, platform mindset, experience with reliable 24x7 services, strong communication, hiring/coaching, and ability to drive adoption of data platforms and governance.
graph-based data modeling, knowledge graphs, RDF, ontologies
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1w
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Engineering Manager, Support & Stability
Columbus or Boston or New York City or Chicago or Austin or Los Angeles
$150k-$190k/yr RemoteFull Time
Loop Returns
Loop Returns: Software platform automating e-commerce returns and post-purchase experiences.
3+ YOE3+ years engineering management experience, experience with platform reliability/system health, AI agent adoption, technical depth in high-risk domains, ability to manage and grow engineers.
PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Jira, Claude, Cursor, Datadog, Snowflake
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1mo
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Engineering Manager, Content Data Foundations
Los Gatos or Los Angeles
$436k-$710k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
3+ Mgmt3+ years managing distributed engineering teams; experience operating reliable enterprise services (24x7 on-call); strong communication, strategic platform thinking, and ability to drive adoption and deliver results.
RDF
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3w
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Product & Technical Co-founder (CPTO) - AI Compliance Platform
United States or Los Angeles
RemoteFull Time
FutureSight
FutureSight: -founds and invests in vertical AI business software startups.
Founding technical leader with production LLM/AI experience, full-stack applied ML/LLM expertise, secure multi-tenant SaaS and SOC 2 readiness, engineering leadership, and ability to ship audit-ready, highly reliable systems.
LLM, RAG, foundation models, SOC 2
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