{"id":1149796,"url":"https://alion.io/job/arista-networks-software-engineer-kernel-and-bios-dublin-ireland-4","title":"Software Engineer, Kernel and BIOS - Dublin, Ireland","company":{"id":2790,"name":"Arista Networks","domain":"arista.com","url":"https://alion.io/company/arista-networks","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":100,"ghost_share":0,"stale_share":0.99,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Budapest, Hungary"],"countries":["HU"],"hiring_countries":["IE"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":90000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1936},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-23T14:28:35Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-11-02T17:18:56Z","board_verified":true,"closed_at":null,"days_open":40,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":40},"description":"Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.\nAt Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.\nOur commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.\n Who You'll Work With\nThe Platform team who are the programmers working closest to the hardware and programming chips.Arista Networks is looking for world-class Linux Kernel and BIOS software engineers to join our Dublin Kernel software team. Our Kernel team is responsible for keeping pace with the latest developments in the Linux Kernel and integrating them for our internal use, both for development and as a base for Arista EOS to run on. This work often involves extending and developing new kernel features related to functionality that we rely on and working with the kernel community to get them integrated upstream. Kernel software engineers are also responsible for the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU/BIOS vendors to integrate their stacks into EOS. You will also be responsible for bringup and qualification of these components into our hardware products.\nWhat You'll Do\nArista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is Kernel/BIOS software, the role will cover all aspects of software development spanning the addition of new features, debugging problems and fine tuning code for scalability and performance. You will own your projects from definition to deployment and customer interactions, and you will be responsible for the quality of everything you deliver.\nArista Software Engineering prides itself on a supportive and growth oriented culture. Over time, as your interests change, coupled with evolving business needs you will have the opportunity to switch from Kernel and BIOS to other areas, if you like.\nBS Computer Science/Electrical Engineering/Computer Engineering \n5+ years experience of C or C++ and Python.\nHands-on experience working on Linux Kernel software is a plus.\nUnderstanding of IP networking and/or distributed systems is a plus.\nApplied understanding of software engineering principles.\nStrong problem solving and software troubleshooting skills.\nAbility to design a solution and implement it successfully.","description_format":"text","description_chars":3226,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Ireland","iso":"IE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Equipment"],"lifecycle":[{"event":"open","at":"2026-09-23T17:16:36Z"}],"visa":[],"liveness":{"score":31,"band":"fade","label":"Fading","p_open":1,"p_active":0.555,"p_room":0.55,"age_days":39,"expected_fill_days":34,"reasons":["conf:1","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/arista-networks-software-engineer-kernel-and-bios-dublin-ireland-4","json_url":"https://alion.io/job/arista-networks-software-engineer-kernel-and-bios-dublin-ireland-4.json","meta":{"generated_at":"2026-11-02T21:23:56Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":29871,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2790},"rest":"https://alion.io/mcp/rest/get_company?id=2790"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farista-networks-software-engineer-kernel-and-bios-dublin-ireland-4"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Farista-networks-software-engineer-kernel-and-bios-dublin-ireland-4"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Farista-networks-software-engineer-kernel-and-bios-dublin-ireland-4"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/arista-networks-software-engineer-kernel-and-bios-dublin-ireland-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farista-networks-software-engineer-kernel-and-bios-dublin-ireland-4"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1149796}},{"tool":"search_jobs","arguments":{"company":"arista.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1149796},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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