{"id":2365025,"url":"https://alion.io/job/axon-networks-data-engineer-madrid","title":"Data Engineer (Madrid)","company":{"id":1856054,"name":"AXON Networks","domain":"axon-networks.com","url":"https://alion.io/company/axon-networks","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Trakstar","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Databricks","optional":false},{"name":"Git","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Delta Lake","optional":true},{"name":"ETL/ELT","optional":true}],"status":"live","first_seen_at":"2026-10-12T16:32:15Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-14T11:40:44Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"AXON Networks delivers a robust AI-driven, analytics-based orchestration platform and awide portfolio of next-gen high-speed routers that leverage the newest Wi-Fi technologies. Together, these technologies give ISPs the ability to manage and troubleshoot their networks in real time, and to deliver an outstanding customer experience.\nAXON Networks is a trusted strategic partner for its customers, helping them evaluate their current technologies and business models, and creating and executing strategies that enable them to innovate faster, accelerate their digital transformations, and strengthen their relationships with consumers.\nAXON Networks is headquartered in Irvine, CA USA with Asia HQ in Singapore and also operating in Denmark, Spain and Vietnam.\nWe are looking for a Data Engineer to join our data engineering team in Madrid. You will work hands-on with Databricks, Spark and large-scale telecommunications data, building the pipelines and datasets that make reliable data available to downstream applications and processing components. You will work closely with Development, Quality Assurance, DevOps, Product Management and Delivery teams throughout the software lifecycle.\nTo succeed in this role, you should enjoy hands-on engineering, be comfortable investigating data and pipeline issues and care about building solutions that are reliable, testable and easy to maintain.\nYou will join an international technical team working on production data platforms used in the telecommunications industry. The role offers hands-on experience with Databricks and Spark and the opportunity to contribute to the continued evolution of the platform.\nResponsibilities:\nDevelop and maintain scalable data ingestion and transformation pipelines using Databricks, PySpark and SQL.\n\nBuild and maintain Databricks Jobs and Workflows for data ingestion and processing.\n\nBuild and evolve datasets across the lakehouse layers, managing schema changes and data contracts while keeping data traceable to upstream sources.\n\nEnsure data quality and freshness, making datasets reliably available to downstream consumers within the required processing windows.\n\nDevelop and maintain automated tests for data pipelines, including unit, integration and regression testing.\n\nTroubleshoot data pipeline issues in QA and production, identify root causes and implement fixes.\n\nImprove the performance and efficiency of Spark jobs and data transformations.\n\nRequirements:\nB.Sc./M.S. Computer Science or related field.\n\n2+ years of professional experience in Data Engineering or a similar role.\n\nHands-on experience with Python, PySpark and SQL.\n\nGood understanding of data modeling and lakehouse concepts.\n\nFamiliarity with automated testing and Git-based development workflows.\n\nStrong analytical and problem-solving skills, with the ability to troubleshoot data\u0002processing issues.\n\nFluency in both English and Spanish\n\nAbility to work in hybrid in Madrid.\n\nNice to have:\nExperience building ETL/ELT data pipelines with Apache Spark and Databricks.\nExperience with Delta Lake, Medallion Architecture, schema evolution or data contracts\nExperience with Databricks Jobs / Workflows and workload optimization.\nExperience working with large-volume or telecommunications datasets.\n Benefits:\nA competitive salary and incentive plan.\nFlexible schedule, including telecommuting.\nFree parking or transportation card (Pluxee transport pass).\nMeal card (Pluxee restaurant pass)\nPrivate medical insurance (for the whole family).\nThe opportunity of working in an international environment.\nPTO for birthday\n* Only applications submitted in English will be reviewed or considered for this position.\nJoin AXON Networks!\nAt AXON Networks, we promote equal opportunities in all our recruitment processes, ensuring non-discrimination on the basis of gender, age, origin, disability, or any other personal circumstances. We assess talent based on objective criteria and foster an inclusive and diverse working environment.\naxon-networks.com\naxon-networks.hire.trakstar.com","description_format":"text","description_chars":4043,"description_truncated":false,"requirements":{"experience_years_min":2,"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":["Flexible schedule","Health insurance"],"hiring_locations":[{"name":"Spain","iso":"ES","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Telecommunications","Network Equipment"],"lifecycle":[{"event":"open","at":"2026-10-12T16:32:15Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":16,"reasons":["conf:4","win:early","comp:junior"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/axon-networks-data-engineer-madrid","json_url":"https://alion.io/job/axon-networks-data-engineer-madrid.json","meta":{"generated_at":"2026-10-14T14:27:30Z","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":17791,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"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":1856054},"rest":"https://alion.io/mcp/rest/get_company?id=1856054"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faxon-networks-data-engineer-madrid"},{"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%2Faxon-networks-data-engineer-madrid"},{"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%2Faxon-networks-data-engineer-madrid"},{"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/axon-networks-data-engineer-madrid\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faxon-networks-data-engineer-madrid"}]}