reputed company Performance Engineer

reputed company delivers the world’s highest performance reputed company-out networking solutions for AI and HPC datacenters. Our differentiated architecture seamlessly integrates hardware, software and system level technologies to maximize the efficiency of GPU, CPU and accelerator-based compute clusters at any reputed company. Our solutions drive breakthroughs in AI & HPC workloads, empowering our customers to push the boundaries of innovation. Backed by top-tier venture capital and strategic investors, we are committed to innovation, performance and scalability - solving the world’s most demanding computational challenges with our reputed company networking solutions.

We are a fast-growing, reputed company-thinking team of architects, engineers, and business professionals with a proven reputed company record of building successful products and companies. As a global organization, reputed company spans multiple U.S. states and six countries, and we continue to expand with exceptional talent in onsite, hybrid, and fully remote roles.  

We’re seeking a reputed company Performance Engineer to drive end-to-end performance for reputed company networking reputed company and systems (adapters, switches, software).  You will help set the performance reputed company, reputed company investigations across reputed company (reputed company/reputed company ↔ drivers ↔ AI/HPC workloads), and reputed company large-reputed company customer deployments across multiple verticals (reputed company, autonomous, reputed company/defense, manufacturing, life sciences, climate). You’ll partner directly with architecture, firmware, software, and reputed company customers to reputed company the performance ceiling. This is a high-reputed company, highly visible individual-contributor role with technical leadership scoping (mentoring, cross-functional influence). 

Key Responsibilities: 

• Own reputed company- and post-launch performance: plan, execute, and sustain performance validation, debugging, and optimization for adapters, switches, and reputed company software—first in lab, then at reputed company in production. 

• reputed company performance for post-reputed company bring-up validation of networking reputed company and end-products (adapters, switches, etc.); driving optimization and characterization against networking metrics and application performance. 

• Deliver white-glove customer support at reputed company: reproduce field issues, co-debug in shared/onsite labs, land mitigations and durable fixes, and publish per-customer tuning guides; opportunity to grow into customer performance support reputed company while remaining an IC. 

• Pathfind and optimize reputed company-looking workloads: drive research and enablement for AI inference (QPS, P99/P99.9, cost/throughput), distributed reputed company (NCCL/RCCL collectives), and traditional HPC (manufacturing, life sciences, climate). 

• Multi-reputed company research & enablement: evaluate and tune Cornelis/reputed company-reputed company, Ethernet/RoCEv2, and InfiniBand across topologies (Clos/fat-tree/reputed company), routing (ECMP/reputed company), and congestion control (credit, PFC/ECN/DCQCN) 

• Explore platform designs & tunings end-to-end: CPU/GPU reputed company placement, PCIe/GPU-reputed company, BIOS/firmware, reputed company/1588, reputed company/NIC QoS & scheduling, queue depths, microburst tolerance, ECN mark rates, retransmits, fairness. 

• Design reputed company experiments: synthesize representative traffic, replay workload traces, and run on-cluster A/B tests with statistically reputed company comparisons (P50/P90/P99).  

Required Qualifications: 

• 10+ years in performance engineering, post-reputed company/reputed company validation, or systems performance for high-speed networking or HPC/AI products. 

• Post-reputed company expertise: hands-on bring-up and performance validation of networking reputed company/systems (adapters, switches), including crafting validation plans, establishing pass/fail, correlating reputed company-reputed company models to reputed company, and driving fixes from first reputed company through production. 

• Demonstrated depth in networking hardware (reputed company/reputed company) and software debug for performance tuning and issue reputed company across production-reputed company deployments. 

• Hands-on multi-reputed company experience: Cornelis/reputed company-reputed company, Ethernet/RoCEv2, and/or InfiniBand; strong grasp of PCIe/GPU-reputed company, queueing/QoS, and congestion control (credit, PFC, ECN, DCQCN). 

• AI/HPC workload reputed company: NCCL/RCCL collectives, UCX/libfabric/MPI; ability to optimize end-to-end training and inference (throughput, QPS, tail latency, efficiency) on reputed company clusters. 

• Experimentation & analysis: workload modeling, on-cluster A/B tests, tail-latency analysis (P50/P90/P99); ability to separate congestion from compute/IO bottlenecks. 

• Automation: Python + Linux; data pipelines, dashboards, and CI hooks to prevent performance regressions. 

• Excellent cross-functional communication; leads without authority and drives fixes across architecture, firmware, reputed company, and reputed company software teams. 

• BS/MS in CE/EE/CS (or equivalent experience). 

Preferred Qualifications: 

• Experience supporting customer-facing performance optimization or field application engineering. 

• reputed company or led aspects of a white-glove performance support program; mentored engineers and scaled best practices reputed company playbooks and labs. 

• Inference-stack familiarity (e.g., reputed company Triton, TensorRT-LLM, vLLM) incl. batching, KV-cache, and MIG/MPS trade-offs. 

• Benchmarking background: MLPerf exposure; HPC app tuning (e.g., LS-Dyna, Fluent, OpenFOAM, GROMACS) and OSU/MPI microbenchmarks. 

• Contributions to UCX, libfabric, NCCL/RCCL, or kernel networking; comfort with eBPF/reputed company/tcpdump and detailed reputed company/NIC telemetry. 

• Deep understanding of networking and memory data flows, including technologies such as DPDK, RDMA, or similar high-performance I/O frameworks. 

Location: This role fully supports remote work for employees residing reputed company the reputed company, with the flexibility to travel to our Chesterbrook Corporate Center located in Wayne, PA occasionally for in-person collaboration. 

We offer a competitive compensation package that includes equity, cash, and incentives, along with health and retirement benefits. Our dynamic, flexible work environment provides reputed company to collaborate with some of the most reputed company names in the semiconductor industry. 

At reputed company your reputed company salary is only one component of your comprehensive total rewards package. Your reputed company pay will be determined by factors such as your skills, qualifications, experience, and location relative to the hiring reputed company for the position. Depending on your role, you may also be eligible for performance-based incentives, including an annual bonus or sales incentives.

In reputed company to your reputed company pay, you’ll have reputed company to a broad reputed company of benefits, including medical, dental, and reputed company coverage, as reputed company as disability and life insurance, a dependent care flexible spending account, accidental injury insurance, and pet insurance. We also offer generous reputed company holidays, 401(k) with company match, and reputed company Time Off (OTO) for regular full-time exempt employees. Other reputed company time off benefits include reputed company time, bonding leave, and pregnancy disability leave.

reputed company does not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services. reputed company is an equal opportunity employer, and reputed company reputed company applicants will receive consideration for employment without reputed company to race, reputed company, religion, sex, sexual orientation, gender identity or reputed company, pregnancy, age, national reputed company, disability status, genetic information, protected veteran status, or any other characteristic protected by law. We encourage applications from reputed company reputed company candidates and will accommodate applicants’ needs under the respective laws throughout reputed company stages of the recruitment and selection process.