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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Engineer, Infrastructure Software - **Company:** SiTime Corporation - **Location:** Santa Clara, CA, United States - **Experience:** Expert - **Salary:** $138,800.0 - $190,850.0 - **Contract:** Permanent contract - **Skills:** Abstraction Layers, Application Programming Interfaces (APIs), Automation of Tests, C Sharp (Programming Language), C++ (Programming Language), Profiling, Code Review, Communications Protocols, Computer Engineering, Continuous Integration, Software Debugging, Device Drivers, Firmware, Field-Programmable Gate Array (FPGA), Python (Programming Language), MATLAB, Release Management, Software Engineering, System Software, Universal Asynchronous Receiver/Transmitter, Management of Software Versions, Integration Tests, Information Technology, Software Coding - **Published:** May 16, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8636dd6c151abde4 ## About the Role Do you have experience in Root cause analysis?, * 5+ years of hands-on experience in software and/or firmware development with demonstrated ownership of shipped, maintained systems * Strong proficiency in Python, C/C++, C# (MATLAB experience is a plus) * Proven experience building hardware-interfacing software such as device drivers, control software, embedded services, or instrument automation * Experience with MCU and/or FPGA integration and control (bring-up, interfaces, command/control, validation) * Familiarity with instrument communication protocols such as SCPI, VISA, serial/UART (and debugging these interfaces in real systems) * Strong debugging skills spanning software + hardware boundaries (signal/logic-level thinking, structured root cause, reproducible fixes) * Ability to work independently and collaboratively in a fast-paced environment; comfortable with ambiguity and rapid iteration * Willingness to participate in overseas business travel (~1 month per year) * MS in Computer Engineering, Computer Science, Electrical Engineering, or equivalent practical experience, * Experience designing and maintaining a HAL and modular architecture that supports multiple hardware variants and product lines * Familiar with lab instruments such as oscilloscopes, digital multimeters, spectrum/phase noise analyzers, power supplies, and switching matrices * Experience with bench, Automated Test Equipment (ATE), rack-level test infrastructure development (PXI, DAQ, switching/relay systems) * Experience in mixed-signal IC validation/testing, characterization * Strong software engineering fundamentals: interfaces, versioning, performance profiling, automated unit/integration testing * Experience with CI/CD pipelines, packaging/release management, and runtime telemetry/monitoring for test infrastructure reliability * Understanding of semiconductor test engineering and production workflow, including transfer-to-manufacturing and sustaining support, * High ownership mindset: delivers results, unblocks self and others, and drives issues to closure * "Builder" mentality: enjoys hands-on work, prototypes quickly, then hardens solutions into maintainable platforms * Strong communication: clear status, crisp technical writing, and effective collaboration across global teams ## Description SiTime is looking for a talented and motivated Senior Software/Firmware Engineer to join our growing infrastructure team in Michigan. You will build and scale next-generation mixed-signal semiconductor test systems and automation platforms, collaborating closely with hardware, validation, and test engineers across global teams. This role is essential to ensuring the performance, stability, and scalability of production and R&D test infrastructure This position is "startup mode" by design: you'll be hands-on, move fast, own outcomes end-to-end, and help shape the architecture, coding standards, and development workflows as the team scales Responsibilities * Design and develop software/firmware for mixed-signal chip test systems and infrastructure platforms * Build a robust Hardware Abstraction Layer (HAL) to standardize control of instruments, fixtures, and embedded controllers across multiple test platforms * Architect modular, reusable software components (drivers, services, libraries, APIs) to enable rapid bring-up of new boards, sockets, and test capabilities * Collaborate with hardware and test engineers to bring up systems, debug issues, and validate test setups (hands-on lab work expected) * Partner with production teams to transfer test systems to OSAT and support ramp/debug in manufacturing environments * Optimize and expand existing test automation frameworks for throughput, reliability, maintainability, and observability * Define and implement software quality practices: code reviews, automated testing, release tagging, and CI/CD improvements for infrastructure software * Document code, workflows, architecture decisions, and best practices for cross-team collaboration and long-term maintainability * Operate effectively in a fast-moving environment: prioritize, scope, prototype, iterate, and harden solutions into production-grade systems ## Related Videos - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Profiling Symfony & PHP apps with Blackfire](https://www.wearedevelopers.com/videos/265-profiling-symfony-php-apps-with-blackfire) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [Enhancing Workload Security in Kubernetes](https://www.wearedevelopers.com/videos/356-enhancing-workload-security-in-kubernetes) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)