Principal System Tests & Diagnostics Engineer - Austin, Texas, United States
Originally posted 8 October 2026 by the employer.
Develop specialized silicon validation and diagnostics tools for AI SoCs.
About the role
What you'll do
- Learn and extend existing Arm diagnostics tools to support Graphcore's AI platform.
- Develop specialized diagnostics and stress-testing software for CPU, memory, interconnect, PCIe, and other system components.
- Build reusable validation utilities that integrate into the existing validation framework.
- Develop tools that expose intermittent hardware failures including silent data corruption, timing-related issues, and hardware instability.
- Develop automation for executing diagnostics across server and rack-scale validation environments.
- Debug low-level hardware, firmware, operating system, and driver interactions.
What you'll need
- Strong experience developing hardware diagnostics, system validation software, firmware validation tools, or low-level systems software.
- Strong software development skills in Python and C/C++.
- Strong Linux systems experience.
- Strong understanding of modern server platform architecture, including how CPU, memory, PCIe, storage, networking, firmware, operating system, and device drivers interact.
- Experience debugging hardware/software interactions across multiple layers of the platform.
- Experience with server platforms, embedded systems, or SoC validation.
Nice to have
- Arm-based server platforms
- AI accelerators or high-performance computing systems
- Silent Data Corruption (SDC) testing
- Hardware stress testing
- Power transient analysis
- Hardware fault injection methodologies
- Firmware validation
- Silicon bring-up
- Performance characterization
- Hardware telemetry and observability
- BMC firmware or server management
- RAS (Reliability, Availability, Serviceability) technologies
- CPU scaling and cache behavior
- Memory (DDR/HBM) bandwidth, latency, and NUMA effects
- Interconnect contention under multi-core load
- PCIe/I-O throughput, latency, and multi-device scenarios
- High-speed I/O validation
Skills: silicon validation, diagnostics tools, hardware failures, system-level diagnostics, AI SoCs
This role has been open 0 days — well below the 41-day median for Post-Silicon Validation roles.
Post-Silicon Validation · Silicon Validation
|
Open roles in category
401
|
Median days open
41 d
|
Median salary
$174k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Graphcore | All employers we track in this specialty (401 roles · 63 employers) |
|---|---|---|
| Open roles in this specialty | 21 | 401 |
| Open roles in the wider Silicon Validation & Test family | 45 | 2215 · 111 employers |
| Median days open | 114 d | 41 d (+73 d vs this employer) |
| Median salary (USD postings) | — | $174k |
Skills observed across this category: silicon validation, diagnostics tools, hardware failures, system-level diagnostics, AI SoCs
Who's hiring in this category
- AMD · 56 open roles · median 51 d
- Micron Technology · 41 open roles · median 35 d
- Qualcomm · 33 open roles · median 28 d
- Graphcore (this employer) · 22 open roles · median 113 d
- NVIDIA · 21 open roles · median 28 d
- Microchip Technology · 20 open roles · median 66 d
How we counted: 401 open Post-Silicon Validation (Silicon Validation) roles from 63 employers tracked in the SemiconductorJobs index, counted 9 Oct 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Silicon Validation & Test family row. Figures refresh nightly.