{"id":87918,"url":"https://alion.io/job/unifi-embedded-software-engineer","title":"Embedded Software Engineer","company":{"id":16273,"name":"Ubiquiti","domain":"ui.com","url":"https://alion.io/company/ubiquiti","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":155,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":137,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Plzeň, Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":44000,"max_usd":100000,"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}],"status":"live","first_seen_at":"2026-03-09T12:45:36Z","employer_posted_date":"2026-08-14","last_verified_at":"2026-10-28T19:25:40Z","board_verified":true,"closed_at":null,"days_open":233,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":232},"description":"About Ubiquiti\nAt Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity.\nResponsibilities:\nDesign, develop, and maintain IPv6 networking features in enterprise router firmware and software stacks\nEnsure seamless IPv4-to-IPv6 coexistence (dual-stack, tunneling, NAT64, DS-Lite, MAP-E, etc.) for enterprise and ISP-grade deployments\nConduct performance tuning, benchmarking, and troubleshooting for IPv6 forwarding, security, and QoS features\nCollaborate with product managers and system architects to define the IPv6 roadmap and feature priorities\nWork closely with the QA team to suggest test plans, simulations, and automated test environments for IPv6 functionality\nRequirements:\n5+ years of experience in embedded networking software development.\n\nStrong hands-on experience with:\nIPv6 protocol stack implementation (L2-L7)\n\nIPv6 address management, DHCPv6, SLAAC\n\nIPv6 Prefix Delegation\n\nExperience with varied IPv6 network setups (enterprise, ISP, and mixed environments)\n\nProficiency in C/C++, with familiarity in Linux-based networking stacks\nExcellent problem-solving, analytical, and debugging skills\nStrong communication and documentation abilities\nNice to Have:\nExperience with IPv6 interoperability testing with ISPs.\nExperience with IPv6 certification processes (e.g., IPv6 Ready Logo, Hurricane Electric IPv6 Sage, or equivalent)\nFamiliarity with UniFi platforms\nBenefits:\nKitchen packed with food, snacks & sodas, meal allowance\nFlexible working hours\nInformal startup atmosphere filled with excitement\nTeam building activities\nGenerous budget to select your work station according to your preferences\nCompetitive salary and 5 weeks of vacation per year\nDiscretionary bonuses based on individual performance\nThe newest web technologies, experimenting with the newest network HW\nComfortable office in the center of Pilsen with good transport 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