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we are seeking a highly skilled senior performance engineer to join our performance and r&d organizations. in this role, you will help build and evolve systems that support performance analysis, telemetry, and optimization for large-scale gpu- and cpu-based clusters used in ai and high-performance computing environments. you will work closely with hardware, networking, firmware, and software teams to collect, analyze, and interpret performance data from live systems. this is a fast-paced r&d environment where system behavior and requirements evolve rapidly, requiring adaptable engineering solutions and strong analytical thinking.
what you'll be doing:
profile, benchmark, and analyze ai and hpc workloads on gpu and cpu clusters
explore performance characteristics of high-performance networking and collective communications (e.g., nccl, rdma, mpi, roce)
identify performance bottlenecks across networking, compute, memory, and system architecture
develop and enhance performance analysis, benchmarking, and diagnostic tools
define performance TEST plans and establish expectations for new technologies and platforms
collaborate across hardware, firmware, networking, systems, and software teams to provide actionable performance insights
support telemetry collection and data refinement efforts to enable accurate performance analysis
maintain high standards for data quality, reproducibility, and traceability of performance results

we are looking for a program manager with technical skills for hw r&d organization, responsible for programs and project on various network products. the pm will drive execution and scheduling of hw projects while aligning with corporate priorities and constraints.
what you'll be doing:
responsibility to coordinate between all project stakeholders such as marketing, engineering teams, operations etc. from initial requirements definition through delivery.
work with project managers and engineers to ensure consistency with company strategy, commitments, and goals.
responsibility for developing and implementing hw methodologies and project management processes and tools.

our chip design group is looking for best-in-class Verification engineers to join our outstanding silicon engineering team, developing the industry's best high-speed communication devices, delivering the highest throughput and lowest latency! come and take a significant part in designing and verifying our groundbreaking and innovative chips, and enjoy working in a meaningful, growing, and highly professional environment where you make a huge impact in a technology-focused company.
what you'll be doing:
verification for chip blocks/entities according to specifications under challenging constraints and with high orientation to performance.
daily work involves acquaintance with all aspects of chip development: design, micro- architecture, firmware, production, and verification.
engage in cutting-edge pcie generation working on latest pcie gen7.

we are seeking a networking software engineer to join our rdma transport software team, driving the development of next-generation rdma solutions for ai, cloud, hpc, and Storage. you will research and develop innovative transport algorithms that push the limits of performance and scalability. you will work in a fast-paced, collaborative environment alongside talented engineers from around the world, supporting the data needs of the world's largest enterprises
what you'll be doing:
take part in research, design, and development of advanced rdma transport mechanisms and algorithms, enhancing performance, reliability, and scalability.
collaborate closely with hardware engineers, software developers, and system architects to align on project objectives and requirements.
keep up with industry trends and emerging technologies, integrating new ideas and innovations into the development process

we are looking for a Software QA Engineer with a strong background in networking and automation to join our infiniband (ib) and nvlink (nvl) switch QA team. our team is responsible for qualifying software stack for our ib switch, router, gateway and nvlink systems, delivering world-class networking solutions.
you will work at the heart of cutting-edge technology, validating software management features, designing topologies, developing automated TEST suites, and collaborating with engineering and product teams to ensure delivery of robust and scalable systems.
what you'll be doing:
design, develop, and execute manual and automated tests as part of software stack releases.
define, build, and manage testbed topologies for functional, regression, and performance validation.
analyze architectural designs and feature requirements for new networking capabilities.
debug failures, identify root causes, and verify fixes delivered by development teams.
schedule TEST runs, track testing progress, and generate TEST status reports with detailed defect documentation.
write and maintain automation tests across multiple frameworks ( Python, PERL ), enhancing TEST efficiency and scalability.
collaborate with cross-functional global teams including r&d, Product Marketing, and system verification.

what if your Python automation caught a critical asic bug before the physical silicon was even manufactured? our simulation platforms make that happen every release cycle! we are the system ethernet QA team at our r&d center, responsible for the testing and qualification of virtual networking silicon (simx) and software-from l2 forwarding and l3 routing to overlays, qos, and security. with simx, developers and QA engineers get hardware-free, early access to the asic for better debugging.
we are looking for a senior QA software engineer who combines network protocol expertise with strong Python automation skills. does debugging a bgp evpn route leak excite you as much as refactoring a TEST framework? then we should talk!
what you'll be doing:
we don't just complete checklists; we collaborate closely with r&d to lead the quality of new features from design to deployment. in this role, we:
review architectural designs and requirements for new features introduced to the product
drive the design, development, and execution of tests across functional, performance, and security scopes as part of sw ga and update releases
develop Python automation suites built on clean oop principles
chase down defects and validate fixes until we fully resolve the root cause
leverage the simx platform to validate code and debug the asic long before hardware arrives

we are looking for a passionate senior software engineer to join our simulation development team. our team is growing, and we are looking for hardworking and experienced engineers to take part in building advanced networking simulation solutions. you will be part of a team developing next generation nic and switch simulation, works closely with other sw r&d teams and sw architects.
what you will be doing:
design and develop advanced features simulating our world class switches
develop solutions using advanced virtualization technology
write clean, efficient and maintainable code
collaborate with team members, sw r&d, architects, chip design and fw.

we are building the software foundation for the next generation of ai infrastructure. as ai workloads continue to evolve, kubernetes and the cloud-native ecosystem must evolve with them.
our team's mission is to make kubernetes the best platform for ai workloads. we work upstream with the kubernetes and cncf communities to design new apis, build production-grade implementations, and shape the future of cloud-native infrastructure for ai.
as a senior software engineer, you'll tackle the most challenging problems at the intersection of kubernetes, distributed systems, and ai infrastructure.
what you'll be doing
design, implement, and upstream new capabilities for kubernetes and cncf projects.
collaborate with engineering teams across the company to identify ai infrastructure challenges and solve them through upstream innovation.
work closely with kubernetes sigs, working groups, and the broader open-source community to design and implement new capabilities.
participate in architecture discussions, api design, technical proposals, and code reviews.
build reliable, scalable infrastructure software for next-generation ai workloads.
write clear technical documentation and design proposals.

we have been redefining computer graphics, pc gaming, and accelerated computing for more than 25 years. it's an outstanding legacy of innovation that's motivated by phenomenal technology-and amazing people.as a member of our team, you'll be immersed in a diverse, encouraging environment where everyone is inspired to do their best work. join the team and discover how you can build a lasting impact on the world.we are looking for a hardware architecture engineer to join the hardware team! hardware team responsible for full execution of systems, adapters and interconnect for ai cluster deployments.
what you'll be doing:
lead hardware next generation end-to-end definition and architecture (switch,interconnect, adapter)
define form factor selection; si, power and thermal consideration, and channel optimization (mech/thermal/cluster layout)
align hardware systems and chip design teams toward unified definition
combine understanding of hardware end-to-end in parallel with software aspects
the position requires working closely with different engineering and operations teams
a hands on enginer who is familiar with new technologies and can take a task from scratch to completion with ease!

we are looking for a technical program manager for product engineering organization, responsible for programs and project on various network products. the pm will drive execution and scheduling of interconnect projects while aligning with corporate priorities and constraints. we are a leading supplier of innovative end-to-end infiniband and ethernet connectivity solutions and services for servers and Storage. we offer best-in-class solutions that include adapter cards, switches, cables, and software to support networking technologies. our products optimize data center performance and deliver industry-leading bandwidth and scalability. in addition, we serve a wide range of markets including high-performance computing, enterprise, data centers, cloud computing, Big Data and web 2.0. we are constantly reinventing ourselves to stay ahead of the market and bring groundbreaking products and services to the industry. our product line is focusing on delivering the most optimized ethernet solutions for industries like media and entertainment as well as any other industry that can benefit from our datastream and tcp/ip acceleration.
what you'll be doing:
responsibility to coordinate between all project stakeholders such as hw, sw, operations etc, from initial requirements definition through delivery.
work with project managers and engineers to ensure consistency with company strategy, commitments, and goals.
responsibility for developing and implementing interconnect methodologies and project management processes and tools.

we seek a V&V Engineer with a strong background in validation to join the interconnect validation team. this position will be part of the product engineering team that crafts and integrates software tests for our networking products into the production lines. you will handle various projects across teams, complete new lab setups, review the hw design, build validation plans, implement automated tests, perform manual scenarios, and report bugs. are you passionate about attention to detail and taking ownership of end-to-end validation for our interconnect products? join our team and bring your expertise to life!
what you'll be doing:
collaborate with multi-functional teams across engineering, software development, and hw to identify TEST requirements
define and build setup topologies for appropriate product coverage
build a validation plan, complete, and integrate tests for the new interconnect products to address the business needs
debug sw & hw failures during the validation and take action to address it
report bugs found during validation, assist with reproduction, and debug to understand the root cause, and follow up to close it
deploy the product validation into the nightly automation tests and track during the daily meeting

our networking bu is looking for senior software program manager that will be responsible for software programs and projects. the pm should drive planning and execution of fw/sw projects while aligning with corporate priorities and constraints.
our networking division is a leading supplier of innovative end-to-end infiniband and ethernet connectivity solutions and services for servers and Storage. we offer best-in-class solutions that include adapter cards, switches, cables, and software to support networking technologies. our products optimize data center performance and deliver industry-leading bandwidth and scalability. in addition, we serve a wide range of markets including high-performance computing, enterprise, data centers, cloud computing, Big Data and web 2.0. we are constantly reinventing ourselves to stay ahead of the market and bring groundbreaking products and services to the industry. our product line is focusing on delivering the most optimized ethernet solutions for industries like media and entertainment as well as any other industry that can benefit from our datastream and tcp/ip acceleration.
what you'll be doing:
you will manage the networking software programs for our next generation ai data centers
responsible to coordinate between all project stakeholders such as marketing, engineering teams in il and around the world, operations, etc. from initial requirements definition through architectural stage, execution, and delivery.
develop and execute feature planning and prioritization of perception capabilities to meet the software programs' needs
identify risks, gaps, and bottlenecks in time, and find resolution with technical leaders and project management
work with product managers, architects, and engineers to ensure consistency with company strategy, commitments, and goals

we are at the forefront of high-performance computing, ai, and advanced networking. our lab environments are the backbone of our engineering success, and we're growing our infrastructure and lab team to meet growing demand across internal development groups. this position is ideal for someone who thrives in a hands-on, fast-paced lab environment, with a passion for complicated systems, precision, and new technologies like liquid cooling.
what you'll be doing:
operate and maintain lab infrastructure - including racking, cabling, servers, networking, and cooling systems
perform physical racking, stacking, cabling, and cooling infrastructure setup
install and maintain liquid cooling systems for lab equipment, including manifold connections, cold plate maintenance, leak detection, and coolant management
provide first-line support to internal engineering teams, translating technical requests into executable infrastructure tasks
maintain structured inventory and asset tracking, ensuring efficient lab operations and hardware allocation
collaborate with cross-functional teams ( QA, r&d, DevOps ) to enable seamless lab support and system deployment
document and implement standard operating procedures, safety practices, and hardware lifecycle policies
implement solutions for automated workflows, equipment monitoring, and lab performance analysis

our team in israel is looking for a senior hardware Validation engineer to join the board design hardware team. the team leads the development of networking infrastructure for our next-generation data centers, focusing on accelerated performance and optimized end-to-end gpu connectivity. we are looking for a hands-on and detail-oriented practical engineer with strong lab skills, who enjoys working in a dynamic, multidisciplinary environment.
what you'll be doing:
perform board bring-up, validation, and debugging activities in the lab
operate lab equipment such as oscilloscopes, power supplies, logic/spectrum analyzers, and multimeters
support hardware investigations by reading schematics, analyzing layouts, and completing TEST procedures
document TEST results and communicate findings clearly to engineering teams
work closely with electrical, mechanical, thermal, and system engineers throughout the development cycle.

our networking team is looking for an outstanding candidate who thrives in a multifaceted environment, to manage exciting sw releases for our leading fw, sdk and nos switch products. taking care of world-class technologies in the areas of data centers, cloud, software defined networks, security for the most sophisticated markets and customers. the switch products supports ethernet and infiniband protocols, delivering a broad range of sophisticated networking, Storage, and security services for the cloud, sophisticated compute and ai workloads. the candidate will need to ensure the release is delivered on time and in high quality, coordinate between development and testing groups and between global sw groups. in addition the role will require to gain good understanding of products dependencies.
what you'll be doing:
be an effective leader in crafting and driving a delivery high quality sw in an efficient way.
partner with engineering, operations, architecture and marketing to coordinate the release of the products and ensure release will meet the schedule and with high quality
take full ownership on the fw, sdk, nos products from the kickoff to signoff.
work with planning and tracking systems to lead the release progress, and build release indicators.
partner with the QA teams to ensure alignment of all tests between the development, verification and QA groups.
conduct release meeting and communicate release status. resolve issues when they appear and raise red-flags when needed.
collaborate with teams across the globe to drive process changes that can help improve development and release workflow.
define and improve process, guidelines, checklists across switch sw group.