{"id":2121985,"url":"https://alion.io/job/arm-holdings-principal-software-engineer-ai-networking","title":"Principal Software Engineer– AI Networking","company":{"id":268,"name":"Arm Holdings","domain":"arm.com","url":"https://alion.io/company/arm","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Radancy","truth_index":{"grade":"A","score":88,"open_postings":50,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sophia Antipolis, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":101700,"max":137700,"currency":"EUR","period":"year","gross":null,"usd_annual":154217},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Kubernetes","optional":true},{"name":"Linux","optional":true},{"name":"NCCL","optional":true},{"name":"PyTorch","optional":true},{"name":"PyTorch C++","optional":true}],"status":"live","first_seen_at":"2026-09-22T00:00:00Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-20T13:01:08Z","board_verified":true,"closed_at":null,"days_open":28,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":28},"description":"Job Overview:\nThe Software (CE-SW) group is responsible for developing and improving the software ecosystem around Arm's next generation architectures and systems. This means working with processors and other hardware technology not yet available to the public. You will join a team of Software Engineers who share a passion for leaving their mark on the future of computing.\nWe are looking for an accomplished Software Engineer with a deep knowledge of developing high-performance networking software to be leveraged by AI frameworks. The successful candidate will be working with vibrant software and hardware teams across multiple geographies on ground-breaking products and will be presented with opportunities to vastly grow their technical understanding.\nIf you are similarly passionate about innovative technologies, then we would love to hear from you!\nResponsibilities:\nAs a Principal Software Engineer in Infrastructure Application Solutions team, you will be working on the networking software stack for AI applications. You will be owning the product technical architecture and delivery. The responsibilities include:\nDriving overall system architecture and design of all individual components of AI NW software stack to ensure flawless operation of the entire product on Arm platform.\nBenchmarking, analyzing and optimizing the network software stack to provide best performance on Arm platform for running AI workloads.\nWorking with open-source communities and key global partners to craft and release key software components aligned with Arm architecture.\nCollaborate with partners and customers across the globe to build and deliver high quality networking software stacks for Arm platform.\nRequired Skills and Experience:\nA candidate should:\nHave a deep understanding of the requirements and functionalities of high-performance networking software and proven experience in leading software product delivery.\nHave an outstanding grasp of computer architecture and operating systems and in-depth knowledge of data structures, algorithms and multi-core programming.\nBe highly proficient in C and C++ to the extent where they can write and debug complex software as well as guide and assist others to do the same.\nBe motivated to accept a variety of responsibilities in contributing to Arm’s success and capable of inspiring and mentoring junior members of the team.\nHave excellent communication and presentation skills with the ability to generate consistent, complete and concise written specifications.\n“Nice To Have” Skills and Experience:\nThe following experience will be looked upon favourably:\nExperience with open-source software contribution processes.\nHands on development experience with high performance networking software, including areas such as Linux kernel networking, NIC drivers, DPDK PMDs, VPP, AF_XDP and kernel bypass.\nExperience with networking software stack components for AI applications such as RoCE, libFabric, OpenMPI, Gloo, NCCL, OneCCL, etc.\nFamiliar with PyTorch based training applications or concepts related to SDN and cloud native technologies such as Kubernetes and CNIs.\nIn Return:\nYou'll enjoy a flexible work environment that supports work-life balance, and be part of an innovative team working on cutting-edge technology. Our offices are designed to foster creativity and teamwork, and we welcome versatile individuals who are eager to grow and become recognized experts within our team. Join us and thrive in a diverse and inclusive culture that values your contributions and celebrates your success.\nSalary Range:\n€101,700 - €137,700 per year\nOur 10x Mindset\nAt Arm, we believe progress happens when people are empowered to think bigger and push beyond what seems possible. Our 10x mindset is about curiosity, ambition and creating impact that will be used by millions. We learn fast, prioritise collaboration and turn bold ideas into real technology. We look for people who are inspired by this way of working and want to grow in an environment where bold ideas are welcomed. Discover how the 10x mindset shapes life at Arm: https://careers.arm.com/10x-mindset\nUse of AI in Your Application\nAt Arm, we embrace the benefits AI can bring, including in recruitment. You may use AI to support your preparation, such as improving the clarity of written responses, practicing interview questions, or learning more about our industry. However, your application and interview responses must reflect your own thinking, experience, and abilities. We want to understand your authentic perspective, creativity, and approach to problem solving. As such, you may not use AI to complete assigned tasks as part of any assessments. If you plan to use AI-supported or assistive technologies as part of a reasonable adjustment, please contact  so we can support you.\nRecruitment Adjustments and Accommodations\nAt Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email . To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation or adjustment requests will be treated with confidentiality, and information concerning these requests will only be disclosed as necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.\nHybrid Working\nArm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.\nEqual Opportunities\nArm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. 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