Staff Software Engineer
About The Position
The Staff Software Engineer will play a key role in architecting and developing software that enables reliable wafer handling, robotics coordination, safety interlocks, motion control, system orchestration, and factory automation interfaces for a standardized EFEM (Equipment Front End Module) platform. This role involves designing and implementing reusable software components, integrating hardware subsystems, and contributing to a scalable architecture adopted across Onto products. The ideal candidate has strong experience in structured real-time software design, complex electromechanical systems, HW/SW integration.
Requirements
- Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
- Proven experience (10+ years for Staff level) in software development for highly technical applications, including leading architecture/design of large-scale, mission-critical software systems
- Experience driving technical roadmaps, resolving cross-team dependencies, and making tradeoffs across performance, maintainability, and schedule.
- Strong knowledge of hardware-software integration and experience working with complex systems.
- Deep expertise in .NET including runtime behavior, performance, threading, and memory management.
- Strong C# proficiency using modern features
- Experience structuring systems using clean architectural patterns, dependency injection, modularity, and API versioning.
- Mastery of concurrency design: multithreading, synchronization, message passing, actor models, and preventing deadlocks/race conditions.
- Experience designing/maintaining APIs and integration points: Internal IPC (gRPC, message bus, shared memory, etc.), External interfaces (factory host integration, equipment automation)
- Demonstrated experience debugging complex multi-threaded environments.
- Must be able to travel internationally to customer sites at least 20% of the time, with additional travel as business needs require.
Nice To Haves
- Experience in the semiconductor industry, robotics, or similar sector
- Experience with SEMI standards such as E84, E87, E90, E30, E37
Responsibilities
- Act as lead software engineer on new projects, determining requirements and a robust design, and collaborating with hardware engineers to ensure seamless hardware-software integration
- Develop software modules for wafer-handling robotics, load ports, sensors, pre-aligners, and system-level orchestration
- Design of extensible APIs, control interfaces, and internal communication frameworks
- Optimize software performance and ensure scalability
- Provide mentoring and guidance to more junior team members
- Develop automated tests, simulation tools, and validation frameworks for EFEM software
- Perform system‑level troubleshooting, data analysis, and optimization of EFEM software performance
- Identify and drive process, architecture, and code quality improvements across the EFEM software stack and across multiple teams/modules
Benefits
- competitive salaries
- health coverage
- dental coverage
- vision coverage
- life insurance
- disability insurance
- PTO
- 401(k) with employer match
- Employee Stock Purchase Program (ESPP)
- wellness initiatives
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What This Job Offers
Job Type
Full-time
Career Level
Senior
