{"id":1168718,"url":"https://alion.io/job/hewlett-packard-enterprise-sr-network-test-engineer-data-center-fabrics","title":"Sr Network Test Engineer — Data Center Fabrics","company":{"id":5292,"name":"Hewlett Packard Enterprise","domain":"hpe.com","url":"https://alion.io/company/hewlett-packard-enterprise","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":82,"open_postings":160,"ghost_share":0,"stale_share":0.913,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":24000,"max_usd":59000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":600},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Jenkins","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"Replicate","optional":false},{"name":"Rest API","optional":false},{"name":"InfiniBand","optional":true},{"name":"NCCL","optional":true},{"name":"Robot Framework","optional":true}],"status":"live","first_seen_at":"2026-08-28T00:00:00Z","employer_posted_date":"2026-08-28","last_verified_at":"2026-10-17T03:30:30Z","board_verified":false,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"Sr Network Test Engineer - Data Center FabricsThis role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE office.Who We Are:\nHewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today’s complex world. Our culture thrives on finding new and better ways to accelerate what’s next. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you. Open up opportunities with HPE.\nJob Description:\nWhat you’ll do:\nDesign, build, and execute test plans for functional/feature validation, customer use cases, and proof-of-concept engagements on data center switching platforms.\nDesign, develop, and execute comprehensive test plans to validate Junos/Sonic functionality on Broadcom-based switching platforms.\nReplicate customer network architectures in the lab, including multi-stage IP Clos fabrics (3-stage, 5-stage, and 7-stage spine-leaf designs).\nPerform functional, interoperability, scale, and convergence testing of BGP-based underlays and EVPN-VXLAN overlays.\nTest AI/ML data center fabric use cases - RoCEv2 traffic profiles, lossless Ethernet behavior (PFC/ECN/DCQCN tuning), congestion management, and load-balancing efficiency across GPU back-end fabrics.\nValidate IPv4 and IPv6 unicast/multicast forwarding, dual-stack designs, and IPv6-only fabric use cases.\nConfigure and troubleshoot routing and overlay protocols: BGP (eBGP/iBGP underlay designs, route reflectors, route policies, communities, and multipath); EVPN route types; VXLAN bridging and routing (CRB/ERB); multihoming (ESI-LAG); and DCI scenarios.\nUse traffic generators (e.g., Ixia/Keysight, Spirent) to build traffic profiles, measure throughput, latency, packet loss, and convergence times.\nIdentify, isolate, and document software defects; work with development teams to reproduce issues and verify fixes.\nAuthor clear, detailed test plans, test reports, and PoC summary documents for internal stakeholders and customers.\nAutomate repetitive test workflows using Python, pytest, Ansible, or similar frameworks where applicable.\nPresent test findings and demonstrations to customers during PoC reviews and technical deep-dives.\nTest and verify SAI (Switch Abstraction Interface) integration and ASIC driver behavior\nValidate optical modules across various speeds, breakout configurations, and transceiver management protocols. \nContributions to SONiC or other open-source networking projects (highly valued)\nWhat you need to bring:\nBachelor’s or Master’s degree in Electronics, Computer Science, or a related field 7 - 10 years of experience in network software/testing/engineering/TAC/escalation role. \nStrong understanding of IPCLOS fabric architecture, AI/ML fabric, BGP, EVPN-VXLAN, and IPv6networking protocols. \nA testing duty for AI/ML fabric use cases, including RoCEv2 traffic profiles and PFC/ECN/DCQCN tuning validation.\nStrong hands-on CLI experience with at least one major data center NOS (e.g., Junos, NX-OS, EOS, SONiC).\nStrong hands-on traffic generation and analysis tools (Ixia/Keysight IxNetwork, Spirent TestCenter, or open-source equivalents).\nStrong troubleshooting methodology - able to isolate issues across the control plane, data plane, and optics/physical layer.\nStrong analytical, debugging, and documentation skills. Excellent written and verbal communication skills, ability to produce customer-facing test reports, and presentation skills. \nHands-on experience with SONiC NOS and SAI-based architectures(preferred)\nExperience with traffic generators like Spirent or IxNetwork\nFamiliarity with Broadcom SDKs such as SDKLT or OpenNSL (preferred)\nSolid grasp of SONiC architecture: SAI, FRR, Redis DB, Docker, Minigraph (preferred)\nExposure to telemetry, gNMI, OpenConfig, and YANG/Netconf/REST API testing\nProficient with Git, Jenkins, Docker, and lab-based testbed environments\nPreferred Qualifications:\nExperience running customer PoC labs or certification/qualification/functional testing for a network equipment vendor, hyperscaler, or large enterprise.\nHands-on experience with AI fabric benchmarking and validation tools (e.g., NCCL tests, perftest/ib_write_bw for RoCE, collective communication workload simulation)\nFamiliarity with emerging standards such as Ultra Ethernet (UEC); exposure to InfiniBand is a plus.\nFamiliarity with 100G/400G/800G optics (LR4, CWDM4, DR4, FR4), transceiver qualification, and high-density fixed/modular platforms.\nScripting and automation experience - Python, pytest, Robot Framework, Ansible, or REST/NETCONF/gNMI-based automation.\nExposure to telemetry and monitoring (gNMI/OpenConfig, SNMP, sFlow/IPFIX).\nKnowledge of GPU cluster back-end network designs (rail-optimized and fat-tree Clos topologies), RDMA over Converged Ethernet (RoCEv2), lossless Ethernet mechanisms (PFC, ECN, DCQCN), congestion control and advanced load balancing (dynamic/adaptive load balancing and flowlet switching), and 400G/800G connectivity for AI/ML training and inference workloads\nRelevant certifications such as JNCIP-DC/JNCIE-DC, CCNP/CCIE Data Center, or equivalent.\nWhat We Can Offer You:\nHealth & Wellbeing\nWe strive to provide our team members and their loved ones with a comprehensive suite of benefits that supports their physical, financial and emotional wellbeing.\nPersonal & Professional Development\nWe also invest in your career because the better you are, the better we all are. We have specific programs catered to helping you reach any career goals you have - whether you want to become a knowledge expert in your field or apply your skills to another division.\nUnconditional Inclusion\nWe are unconditionally inclusive in the way we work and celebrate individual uniqueness. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good.\nLet's Stay Connected:\nFollow @HPECareers on Instagram to see the latest on people, culture and tech at HPE.\n#india#networkingJob:\nEngineeringJob Level:\nTCP_04HPE is an Equal Employment Opportunity/ Veterans/Disabled/LGBTemployer. We do not discriminate on the basis of race, gender, or any other protected category,and all decisions we make are made on the basis of qualifications, merit, and business need. Our goal is to be one global team that is representative of our customers, in an inclusive environment where we can continue to innovate and grow together. Please click here: Equal Employment Opportunity.\nHewlett Packard Enterprise is EEO Protected Veteran/ Individual with Disabilities.\nHPE will comply with all applicable laws related to employer use of arrest and conviction records, including laws requiring employers to consider for employment qualified applicants with criminal histories.\nRecruitment Fraud Alert\nWe have become aware of an increase in fraudulent recruitment activities in which individuals impersonate our company or authorized recruitment agencies to offer fake employment opportunities. These scams may occur through false websites, emails, social media, or chat-based applications and often aim to obtain personal information or money. Please note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge a candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process. We also never request personal information such as back account details, Social Security numbers, or national IDs via social media or chat applications.\nAll legitimate job opportunities will come through official company channels, and candidates are responsible for verifying the credentials of any third party claiming to represent the company. Any reliance on fraudulent communication is at the individual’s own risk, and HPE disclaims legal liability for any resulting damages. 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