Software Engineer, Compute Performance

Cisco•Milpitas, MI

17h•Onsite

About The Position

The application window is expected to close on: 10/10/2026. Meet the Team: Cisco Validated Infrastructure Services (CVIS) establishes and proves the performance of large AI clusters before they are handed over to customers. We deploy each cluster, validate it against performance baselines, and deliver the evidence that it is ready for service. The platform behind that work is full stack. It combines workflow and API services, network and infrastructure automation, and the UI used to run validation across labs and customer environments. Your Impact: As a Software Engineer, you will help analyze and improve the performance of AI compute systems across hardware, system software, and application workloads.

Requirements

Bachelor’s degree with + 5 years of related experience, or Master’s degree with + 3 years of related experience, or PhD with relevant research experience, or equivalent related work experience.
Experience debugging, testing, or tuning Linux-based systems.
Experience running or evaluating AI, machine learning, or HPC workloads.
3 + years of experience with a programming or scripting language such as Python, C, C++, Go, or Bash.

Nice To Haves

Familiarity with GPU computing technologies such as CUDA, ROCm, NCCL, or RCCL.
Familiarity with performance tools such as Nsight, DCGM, rocprofiler, or similar tools.
Understanding of GPU system components such as memory, NUMA, PCIe, and scale-up interconnects.
Exposure to NVIDIA NVLink and NVSwitch or AMD Infinity Fabric/xGMI.
Experience with Kubernetes, Slurm, or other distributed workload environments.
Strong ownership, documentation, and cross-team collaboration skills.

Responsibilities

Run and analyze AI training, inference, and HPC workloads on GPU-accelerated systems.
Investigate compute, memory, PCIe, storage, and workload scaling issues.
Use telemetry, logs, traces, and profiling tools to identify performance bottlenecks.
Develop automation for performance testing, regression detection, and failure triage.
Work with hardware and software teams to resolve system and workload performance issues.
Document findings, test procedures, and performance results.

Benefits

medical, dental and vision insurance
a 401(k) plan with a Cisco matching contribution
paid parental leave
short and long-term disability coverage
basic life insurance
10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees
1 paid day off for employee’s birthday
paid year-end holiday shutdown
4 paid days off for personal wellness determined by Cisco
16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees (non-exempt)
flexible vacation time off program (exempt)
80 hours of sick time off provided on hire date and each January 1st thereafter
up to 80 hours of unused sick time carried forward from one calendar year to the next
Additional paid time away may be requested to deal with critical or emergency issues for family members
Optional 10 paid days per full calendar year to volunteer
annual bonuses
performance-based incentive pay