Principal Software Engineer – Semiconductor (SLT/BI), HW, Systems & AI Infra

Advantest; Lake Forest (CA); On-site; USD 180,000 - 260,000; Full time

Job summary

Advantest is seeking a Hands-on Principal Software Engineer to drive software architecture across SLT, Burn-In, and HPC test platforms. You will integrate across testers, handlers, drivers, firmware, instrumentation, and distributed platforms.

The role demands deep expertise in C#/.NET and distributed systems, with extensive leadership and cross-functional collaboration. You will code ~70% hands-on in C#, .NET, Python, and related stacks, mentor engineers, design reliable execution, and lead

Qualifications

• 12+ years of software engineering experience with strong hands-on technical leadership.
• Deep expertise in C#/.NET, distributed systems, multithreading, asynchronous programming, APIs, and debugging.
• Experience owning architecture through implementation, integration, and production deployment.
• Experience integrating software with physical equipment, firmware, drivers, or semiconductor/industrial test systems.
• Strong knowledge of TCP/IP, UDP, HTTP, and gRPC.
• Bachelor's degree in computer science, computer engineering, electrical engineering, or related field, or equivalent practical experience.

Responsibilities

• Architect, design, and develop software for SLT, Burn-In, and HPC test platforms, test orchestration, equipment integration, messaging, and data services.
• Drives test driven development in Hardware-Centric Environments with focus on unit and integration tests.
• Remain approximately 70% hands-on in coding, integration, testing, debugging, and technical design.
• Develop cross-platform applications, SDKs, drivers, APIs, test programs, and equipment-control software using C#, .NET 10+, ASP.NET10+, Python, Blazor, xUnit and OneImlx.Terminal framework.
• Develop distributed messaging, telemetry, data pipelines, and orchestration using Apache Pulsar and PostgreSQL.
• Implement secure on-premises platform services using OIDC/OAuth 2.0 and related identity technologies.
• Integrate software with test hardware, firmware, electrical, mechanical, thermal, and instrumentation systems.
• Develop and integrate ActivATE/ActivATE360, device/instrumentation drivers, and test execution workflows.
• Implement SCAN, pattern execution, and vector-conversion workflows.
• Debug system-level issues across software, communications, firmware, hardware, and DUT execution.
• Work with customers and global engineering teams during integration and deployment.
• Gather requirements from customers, internal departments, and cross-BU partners; communicate tradeoffs and deliver solutions from design through production.
• Design for reliable execution, test-data integrity, fault recovery, and compatibility across independently evolving components.
• Mentor engineers and lead design/code reviews while remaining hands-on.

Skills

C# / .NET

Distributed systems

Multithreading

APIs

Debugging

TCP/IP

gRPC

HTTP

Leadership

Architecture

Education

Bachelor's degree in CS/CE/EE

Tools

ActivATE/ActivATE360

PostgreSQL

Apache Pulsar

Blazor

xUnit

Python

OneImlx.Terminal framework

Job description

https://myjobs.adp.com/advantestcareers/cx/job-details?reqId=5001225696500

Position Overview

Hands-on Principal Software Engineer responsible for software architecture, design, coding, system integration, and debugging across SLT, Burn-In, and HPC Semiconductor test platforms.

The role works directly across semiconductor testers, automated handlers, software drivers, firmware, instrumentation, thermal systems, test programs, and distributed software platforms.

Key Responsibilities

• Architect, design, and develop software for SLT, Burn-In, and HPC test platforms, test orchestration, equipment integration, messaging, and data services.
• Drives test driven development in Hardware-Centric Environments with high focus on unit and integration tests
• Remain approximately 70% hands-on in coding, integration, testing, debugging, and technical design.
• Develop cross-platform applications, SDKs, drivers, APIs, test programs, and equipment-control software using C#, .NET 10+, ASP.NET10+, Python, Blazor, xUnit and OneImlx.Terminal framework.
• Develop distributed messaging, telemetry, data pipelines, and orchestration using Apache Pulsar and PostgreSQL.
• Implement secure on-premises platform services using OIDC/OAuth 2.0 and related identity technologies.
• Integrate software with test hardware, firmware, electrical, mechanical, thermal, and instrumentation systems.
• Develop and integrate ActivATE/ActivATE360, device/instrumentation drivers, and test execution workflows.
• Implement SCAN, pattern execution, and vector-conversion workflows.
• Debug system-level issues across software, communications, firmware, hardware, and DUT execution.
• Work directly with customers and global engineering teams during integration and deployment.
• Gather requirements from customers, internal departments, and cross-BU partners; communicate tradeoffs and deliver solutions from design through production.
• Design for reliable execution, test-data integrity, fault recovery, and compatibility across independently evolving components.
• Mentor engineers and lead design/code reviews while remaining hands-on.

Required Qualifications

• 12+ years of software engineering experience with strong hands-on technical leadership.
• Deep expertise in C#/.NET, distributed systems, multithreading, asynchronous programming, APIs, and debugging.
• Experience integrating software with physical equipment, firmware, drivers, or semiconductor/industrial test systems.
• Experience owning architecture through implementation, integration, and production deployment.
• Strong Knowledge of TCP/IP, UDP, HTTP, and gRPC.
• Bachelor's degree in computer science, computer engineering, electrical engineering, or a related field, or equivalent practical experience.

Preferred Qualifications

• Experience with SLT, Burn-In, ATE, HPC, ActivATE/ActivATE360, or Advantest 93000.
• Experience with digital tests, test programs, device drivers, instrumentation, and hardware-in-the-loop testing.
• Experience delivering cross-platform and on-premises software in semiconductor production environments.

Additional Requirements

• Willingness to work in an on-prem and on-site setup (No Hybrid) in Lake Forest, CA.
• Ability and willingness to travel domestically and internationally, sometimes on short notice
• Strong written and verbal communication skills