R & D Engineer Software 5 - USA-CA - Promontory D, United States
$143,800 - $230,000 USD yearly
Originally posted 14 October 2026 by the employer.
About the role
This role involves planning, designing, developing, and testing software systems and applications for software enhancements and new products, with a focus on virtual networking data plane distributed systems.
What you'll do
- Work on NSX Data Plane for the ESX hypervisor.
- Architect, design, implement, and integrate new features for virtual switches, network overlay technologies (vxlan, geneve), physical NIC drivers, and SmartNIC solutions.
- Develop reliable data plane virtualization technology features using C/C++/Python.
- Create testing strategies and detailed test cases to ensure high quality deliverables.
- Provide technical leadership on complex problems and contribute to the company's patent portfolio.
- Characterize, analyze, optimize, and benchmark performance, including CPU utilization, memory profiling, and optimizations.
What you'll need
- Firm grasp of design and development of virtual networking data plane.
- Large system architecture knowledge.
- Excellent design and programming skills with a focus on virtual networking data plane distributed systems.
- Demonstrable implementation experience of high performance, highly concurrent, scalable multi-threaded solutions.
- Knowledge and previous experience in developing reliable software using C/C++/Python.
- In-depth hardware architectural knowledge including multi-core/multi-thread CPUs, pipelines, cache hierarchies, TLBs, interconnects, and memory address translations, NUMA.
- Hands-on performance development including CPU utilization, memory profiling, optimizations, and benchmarking.
Nice to have
- Experience of performance analysis, benchmarking, and trouble-shooting including data gathering, scalability testing, and system profiling.
Skills: virtual networking data plane, ESX hypervisor, NIC drivers, SmartNIC, C/C++/Python
This role has been open 0 days — well below the 55-day median for Infrastructure/Platform Software roles.
Infrastructure/Platform Software · Networking Software
|
Open roles in category
42
|
Median days open
55 d
|
Median salary
$252k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Broadcom | All employers we track in this specialty (42 roles · 12 employers) |
|---|---|---|
| Open roles in this specialty | 2 | 42 |
| Open roles in the wider Software, Firmware & Systems family | 81 | 6164 · 146 employers |
| Median days open | 12 d | 55 d (−43 d vs this employer) |
| Median salary (USD postings) | — | $252k |
Skills observed across this category: virtual networking data plane, ESX hypervisor, NIC drivers, SmartNIC, C/C++/Python
Who's hiring in this category
- NVIDIA · 25 open roles · median 49 d
- AMD · 3 open roles · median 27 d
- Eridu AI · 3 open roles · median 132 d
- Arm Holdings · 2 open roles · median 188 d
- Upscale AI · 2 open roles · median 79 d
- Broadcom (this employer) · 1 open role · median 22 d
How we counted: 42 open Infrastructure/Platform Software (Networking Software) roles from 12 employers tracked in the SemiconductorJobs index, counted 14 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 Software, Firmware & Systems family row. Figures refresh nightly.