{"id":2430908,"url":"https://alion.io/job/amphinicy-technologies-senior-5g-ntn-stack-engineer","title":"Senior 5G - Ntn Stack Engineer","company":{"id":55771,"name":"Amphinicy Technologies","domain":"amphinicy.com","url":"https://alion.io/company/amphinicy-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Contern, Luxembourg"],"countries":["LU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":204000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1605},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"AWS","optional":true},{"name":"CI/CD","optional":true},{"name":"CUDA","optional":true},{"name":"CUDA Toolkit","optional":true},{"name":"Docker","optional":true},{"name":"VHDL","optional":true}],"status":"live","first_seen_at":"2026-10-13T09:01:40Z","employer_posted_date":null,"last_verified_at":"2026-10-13T09:01:40Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We are looking for a 5G-Ntn Software Stack Engineer to reinforce our team which has more than two decades of experience in the satellite industry. As our new colleague you contribute to the design, development, integration, and validation of software components that enable standard 3GPP 5G Nr services over satellite links.\n\nThis is what you do\n\nYou will work on disaggregated RAN and core network functions, cloud orchestration, Ntn-aware signal processing, and test environments that emulate real satellite conditions.\n\nYou will be an integral part of an already existing multidisciplinary team of experienced, friendly, and talented colleagues, who are working across 5G, SATCOM, DSP, Virtualization, and system validation.\n\nThe work includes developing and integrating software around Openairinterface-based Gnb and 5gc functions, containerized MicroServices, Kubernetes orchestration, traffic simulation, and Ntn channel emulation.\n\nThe goal is to deliver a robust, scalable, and standards-compliant platform that supports unmodified commercial user equipment in Direct-to-Handheld scenarios.\n\nYou'll have the chance to work with cutting-edge technologies and take a leading role in ensuring the satellite communications of the future work properly!\n\nYou will actively participate in a highly innovative project at the intersection of 5G, satellite communications, and cloud infrastructure. At the same time, you contribute to a real system demonstrator, not only to research studies\n\nYou collaborate with experts in software architecture, DSP, Ntn, and system validation and help shaping future ground-segment products and next-generation 5G-Ntn capabilities\n\nThis is what you give\n\nYou hold an MSc or PhD in Telecommunications, Electrical Engineering, Computer Engineering, or a related field\n\nYou have strong software development skills in C++, Python and Matlab\n\nYou have a good understanding of 3GPP 5G Nr, RAN architecture, and 5gc concepts\n\nYou have a good understanding of 5G protocol stack layers, including Phy, Mac, Rlc, Pdcp, and Rrc\n\nYou are familiar with 3GPP Release 16/17/18 features relevant to 5G Nr and Ntn\n\nYou are familiar with satellite channel emulation for Ntn scenarios, including delay, Doppler, and link impairment modelling\n\nYou have hands-on experience with Linux-based development and networking\n\nYou are familiar with Oai-RAN, Oai-Cn and DSP for wireless systems\n\nYou can debug complex distributed systems and work across software, networking, and Radio domains, and have thorough experience with SDR platforms such as Usrp\n\nYou communicate easily and enjoy working closely with other software developers, but also product managers, and validation engineers\n\nYou are a fast learner, eager for new concepts, not afraid when challenged to apply them\n\nYou can work independently when given tasks, but you also know when to ask for help\n\nYou produce clean, readable, and well-structured documentation in impeccable English\n\nYou preferably have a work permit for the country of Luxembourg\n\nThis is what's nice to have\n\nExperience with cloud-native tools such as Docker, Kubernetes, and CI/CD pipelines\n\nFamiliarity with AWS, network Virtualization, or MicroServices\n\nKnowledge of Ru/DU/Cu disaggregation, and functional split options such as Option 1, Option 2, Option 7.2x, and Option 8\n\nFamiliarity with O-RAN concepts and architecture, including Ric, SMO, and interfaces such as O1, O2, and E2\n\nFamiliarity with performance testing, traffic modelling, and automated validation frameworks\n\nFamiliarity with ETSI NFV/Mano, OSS, and orchestration concepts for virtualized Telecom platforms\n\nFamiliarity with DVB-S2x and DVB-Gse\n\nFamiliarity with Difi and Ecpri\n\nFamiliarity with CUDA, Hls, and VHDL\n\nThis is what you get\n\nAn attractive salary and relocation package\n\nA comprehensive training plan, starting with onboarding, which caters to your development needs and helps you achieve your career goals\n\nA supportive environment where people come first\n\nFlexible and partly remote working options\n\nAn opportunity to work in a challenging fast-paced environment with the latest technologies which affect the lives of billions of peoplearound the globe\n\nWork-life balance which includes an exciting lifestyle in the heart of Europe, in the multicultural city of Luxembourg\n\nThis is us\n\nAmphinicy Technologies is a leading provider of complex software solutions for the space industry. We have been delivering solutions to the top players and organizations in the satellite and space industry for over 20 years, from our two offices in both Croatia and Luxembourg. Our engineers are leading experts in the domains of Satellite Communication and Earth Observation, and our unending focus is the perpetual improvement of the quality and efficiency of our state-of-the-art solutions in a creative, enjoyable, and supportive work environment.\n\nThis is your place of work:\n\nLuxembourg is situated at the crossroads of Europe, between Germany, Belgium, and France. Despite its small size it sports a powerful economy with several well-paid and diverse job opportunities, and with long-term career prospects. A top-notch infrastructure, one of the best healthcare systems in Europe and a vibrant and multicultural lifestyle complete the puzzle of one of the best countries to live and work in.\n\nChallenge accepted?\n\nPlease send us your questions/CV through the application form.","description_format":"text","description_chars":5400,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"},{"name":"France","iso":"FR","kind":"region"},{"name":"United Kingdom","iso":"GB","kind":"region"},{"name":"Austria","iso":"AT","kind":"region"},{"name":"Belgium","iso":"BE","kind":"region"},{"name":"Bulgaria","iso":"BG","kind":"region"},{"name":"Croatia","iso":"HR","kind":"region"},{"name":"Czech Republic","iso":"CZ","kind":"region"},{"name":"Denmark","iso":"DK","kind":"region"},{"name":"Finland","iso":"FI","kind":"region"},{"name":"Hungary","iso":"HU","kind":"region"},{"name":"Ireland","iso":"IE","kind":"region"},{"name":"Italy","iso":"IT","kind":"region"},{"name":"Netherlands","iso":"NL","kind":"region"},{"name":"Norway","iso":"NO","kind":"region"},{"name":"Poland","iso":"PL","kind":"region"},{"name":"Romania","iso":"RO","kind":"region"},{"name":"Spain","iso":"ES","kind":"region"},{"name":"Sweden","iso":"SE","kind":"region"},{"name":"Switzerland","iso":"CH","kind":"region"},{"name":"Estonia","iso":"EE","kind":"region"},{"name":"Greece","iso":"GR","kind":"region"},{"name":"Iceland","iso":"IS","kind":"region"},{"name":"Latvia","iso":"LV","kind":"region"},{"name":"Liechtenstein","iso":"LI","kind":"region"},{"name":"Lithuania","iso":"LT","kind":"region"},{"name":"Luxembourg","iso":"LU","kind":"country"},{"name":"Malta","iso":"MT","kind":"region"},{"name":"Portugal","iso":"PT","kind":"region"},{"name":"Slovakia","iso":"SK","kind":"region"},{"name":"Slovenia","iso":"SI","kind":"region"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Ground Systems"],"lifecycle":[{"event":"open","at":"2026-10-13T09:01:40Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":22,"reasons":["seen:0","win:early"],"computed_at":"2026-10-13T19:26:51Z"},"pay":null,"html_url":"https://alion.io/job/amphinicy-technologies-senior-5g-ntn-stack-engineer","json_url":"https://alion.io/job/amphinicy-technologies-senior-5g-ntn-stack-engineer.json","meta":{"generated_at":"2026-10-13T19:26:51Z","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":29697,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":55771},"rest":"https://alion.io/mcp/rest/get_company?id=55771"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Famphinicy-technologies-senior-5g-ntn-stack-engineer"},{"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%2Famphinicy-technologies-senior-5g-ntn-stack-engineer"},{"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%2Famphinicy-technologies-senior-5g-ntn-stack-engineer"},{"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/amphinicy-technologies-senior-5g-ntn-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Famphinicy-technologies-senior-5g-ntn-stack-engineer"}]}