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Iot Companies In Jobs in California (NOW HIRING)

Systems Architect

Sunnyvale, CA · On-site

$283K/yr

They are seeking a Senior IoT Systems Architect who will play a key role in expanding the MQTT ... companies, autonomous systems, consumer devices, networking companies, industrial IoT companies ...

... at companies including Flextronics, Heptagon, GT-Nexus, and Digital Motors Corporation. Together ... Are you ready to be part of the next chapter in Silicon Valley's hyper-growth IoT success story?

Senior Embedded Firmware Engineer

San Jose, CA · On-site

$140K - $185K/yr

... at companies including Flextronics, Heptagon, GT-Nexus, and Digital Motors Corporation. Together ... Are you ready to be part of the next chapter in Silicon Valley's hyper-growth IoT success story?

Background working with hardware startups, robotics companies, aerospace, defense, or IoT companies ... Home + in-office stipends * Opportunity to make a meaningful impact at a fast-growing company ...

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Iot Companies In information

What is the difference between Iot Companies In vs Network Engineers?

AspectIot Companies InNetwork Engineers
Required CredentialsTypically a degree in Computer Science, Electrical Engineering, or related fields; certifications like Cisco CCNA or CompTIA Network+Similar degrees and certifications; often Cisco or CompTIA certifications
Work EnvironmentDesigning, developing, and deploying IoT solutions across industries like manufacturing, healthcare, and smart citiesManaging, configuring, and troubleshooting network infrastructure in various settings
Employer & Industry UsageIoT companies, tech firms, manufacturing, and smart city projectsTelecommunications, IT service providers, large corporations

Both roles require networking knowledge and certifications, but IoT Companies In focus on deploying connected devices and systems, while Network Engineers primarily manage and optimize network infrastructure. The roles often overlap but differ in their core focus areas within the tech industry.

What are the top IoT companies?

Top IoT companies include Cisco, IBM, Microsoft, Amazon Web Services, and Google, which offer platforms, devices, and solutions for connected devices and smart systems. These companies are known for their innovation, cloud integration, and security features essential for IoT development and deployment.

What are popular job titles related to Iot Companies In jobs in California?

For Iot Companies In jobs in California, the most frequently searched job titles are:

What cities in California are hiring for Iot Companies In jobs?

Cities in California with the most Iot Companies In job openings:

Infographic showing various Iot Companies In job openings in California as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 17% Part Time, 5% Contract, and 1% Nights. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Systems Architect

InterSources Inc

Sunnyvale, CA • On-site

$283K/yr

Full-time

Re-posted 5 days ago


Job description

Job Summary:
InterSources Inc is a Certified Diverse Supplier and an Award-Winning Global Software Consultancy offering innovative solutions for Digital Transformations. They are seeking a Senior IoT Systems Architect who will play a key role in expanding the MQTT-based IoT architecture for embedded medical devices and AWS cloud infrastructure, balancing both architecture and hands-on coding responsibilities.
Responsibilities:
• Support the expansion of the MQTT-based IoT architecture across our embedded medical device platforms and AWS cloud infrastructure;
• Produce architecture decision records (ADRs), interface contracts, design specifications, system diagrams; Implement connectivity middleware and communication services in C++ & Python on device side and cloud side;
• Architect and implement cloud-side integration using AWS microservices (EC2, S3, and related services) to support the migrated protocol layer
• Design and implement security hardening: TLS/mTLS, certificate-based device authentication, topic-level authorization, and PKI lifecycle management Design for cloud connectivity reliability: offline buffering, reconnect strategies, message deduplication, and guaranteed delivery patterns appropriate for embedded systems
• Lead and participate in design reviews with the FTE engineering team; incorporate feedback from internal review gates
• Support debugging and root cause analysis of connectivity issues during migration and integration testing
• Produce thorough documentation and conduct knowledge transfer sessions to ensure continuity at engagement close
Qualifications:
Required:
• 10+ years overall experience in Engineering / Computer Science / Software Development
• 5+ years specifically in IoT system architecture and software development
• Deep C++ development experience (production-level C++ experience | experience building system software or networking systems)
• Real time production backend services Python experience
• Experience using MQTT in real systems
• Understanding of how devices communicate over networks
• Strong embedded systems background
• Hands-on coding in C++ and Python
• Understanding of security for connected devices (TLS certificates, authentication, etc.)
• Deep expertise in C++ & Python for system-level software development
• Strong MQTT expertise — broker configuration, QoS levels, topic design, retained messages, MQTT 5.0 features
• Solid understanding of pub/sub and RPC messaging patterns, including how to implement reliable RPC over pub/sub protocols
• Working knowledge of AWS microservices (EC2, S3, and adjacent services); ability to design cloud-side components supporting device connectivity
• Strong grasp of network security fundamentals: TLS/mTLS, PKI, certificate management, and authorization patterns for IoT devices
• Proven ability to produce high-quality architecture documentation — ADRs, design specs, interface definitions
• Excellent communication skills; able to lead design discussions and drive alignment across technical and non-technical stakeholders
• Quality-first engineering mindset: writes clean, well-documented, maintainable code that teammates can own after the engagement ends
• Able to work independently and manage technical ambiguity with minimal guidance
• Bachelor's or Master's in Computer Science, Software Engineering, or related technical field
Preferred:
• AWS (Nice to have)
• Experience building connected systems
• Candidates from robotics companies, autonomous systems, consumer devices, networking companies, industrial IoT companies
Company:
InterSources Inc. solves operational problems where protection, performance, compliance, AI, and workforce capability must work together. Founded in 2007, the company is headquartered in Fremont, USA, with a team of 501-1000 employees. The company is currently Late Stage.

InterSources logo

About InterSources

Sourced by ZipRecruiter

In 2007, Our journey began as pioneers in the realm of technology and security. Since then, InterSources Inc. has evolved into a trusted partner, leading the way in Cloud Security, Cybersecurity, PLG Consulting, Digital Transformation, and Professional Services. With a rich history of excellence and a forward-thinking approach, we continue to secure your digital future and drive innovation. Explore our legacy of success and discover the possibilities that lie ahead.

Company size

51 - 200 Employees

Headquarters location

Fremont, CA, US

Year founded

2007

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