{"id":2427624,"url":"https://alion.io/job/tessero-senior-data-engineer","title":"Senior Data Engineer","company":{"id":4428082,"name":"Tessero","domain":"tesserogroup.com","url":"https://alion.io/company/tessero","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Luxembourg City, Luxembourg"],"countries":["LU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":76000,"max_usd":196000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2157},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Data Vault","optional":false},{"name":"Dimensional Modeling","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Tableau","optional":false},{"name":"Agile","optional":true}],"status":"live","first_seen_at":"2026-10-13T08:05:53Z","employer_posted_date":null,"last_verified_at":"2026-10-13T08:05:53Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Tessero is seeking a senior Data Engineer SQL for one of its clients based in Luxembourg:\n\nContract: Consulting Assignment\n\nSalary: Competitive package based on experience\n\nLocation: Luxembourg (onsite during the first months, with flexible remote work options thereafter)\n\nLanguages: English mandatory, French or German considered an asset\n\nExperience: 5+ years in Data Engineering or SQL-focused engineering roles\n\nJoin an experienced data team working on strategic initiatives focused on data transformation, governance, and analytics.\n\nContribute to the evolution of a modern enterprise data platform and play a key role in shaping data architecture standards.\n\nWork in an international environment alongside business, Finance, risk, compliance, and technology stakeholders.\n\nExpand your expertise in Data Vault 2.0, advanced data modeling, data quality, and large-scale data platforms.\n\nTake ownership of high-impact projects that directly support Business Intelligence, regulatory reporting, and decision-making processes.\n\nResponsibilities\n\nBy developing and optimizing complex SQL transformations, you will strengthen your expertise in large-scale data processing and contribute to business-critical analytics solutions.\n\nBy enhancing enterprise data models, including Data Vault, dimensional, and 3NF structures, you will work on modern architectures while deepening your data modeling capabilities.\n\nBy implementing data quality controls, validation rules, and testing frameworks, you will help ensure trusted and reliable data across the organization.\n\nBy building and maintaining SQL-centric ETL/ELT pipelines, you will contribute to scalable and efficient data ecosystems while expanding your engineering expertise.\n\nBy leveraging Python for automation and integrations, you will broaden your technical skill set and help improve operational efficiency.\n\nBy implementing batch, incremental, and near real-time ingestion patterns, you will gain exposure to modern data integration practices.\n\nBy collaborating with business, Finance, risk, and compliance teams, you will develop a strong understanding of organizational challenges and deliver impactful data solutions.\n\nBy supporting BI initiatives and data consumption layers, you will help drive business insights and strategic decision-making.\n\nBy contributing to platform improvements and engineering best practices, you will have a direct influence on the evolution of the organization's data landscape.\n\nBy applying high standards in Version Control, documentation, testing, and code quality, you will work within a mature engineering environment that encourages continuous learning.\n\nSkills\n\nEducation: Bachelor's or Master's degree in Computer Science, Data Engineering, Information Systems, or a related field.\n\nExperience:\n\nMinimum 5 years of experience in Data Engineering or SQL-heavy backend engineering roles.\n\nProven experience working with enterprise-scale data models.\n\nExperience within banking or financial services is considered a strong advantage.\n\nTechnical skills:\n\nExpert-level SQL and performance optimization skills.\n\nStrong experience with DBT (Data Build Tool).\n\nHands-on expertise with Data Vault 2.0 methodologies.\n\nExperience designing and maintaining ETL/ELT pipelines.\n\nStrong knowledge of dimensional modeling, Scds, and 3NF architectures.\n\nPython scripting and automation experience.\n\nExposure to Tableau or other Business Intelligence platforms is a plus.\n\nKnowledge of Core Banking platforms such as Temenos T24/Transact or Triple'A is considered an advantage.\n\nLanguages:\n\nFluent English (written and spoken).\n\nFrench and/or German are considered assets.\n\nSoft skills:\n\nStrong communication and stakeholder management skills.\n\nAnalytical mindset and attention to detail.\n\nProactive and solution-oriented approach.\n\nAbility to work effectively in agile environments.\n\nStrong sense of ownership and commitment to quality.\n\nWhy apply?\n\nThis is an excellent opportunity for an experienced Data Engineer looking to work on large-scale data transformation initiatives within an international environment. You will gain exposure to modern data architectures, collaborate with senior stakeholders, and contribute to strategic projects that deliver tangible business value while advancing your technical and professional development.","description_format":"text","description_chars":4324,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Professional development"],"hiring_locations":[{"name":"Luxembourg","iso":"LU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T08:05:53Z"}],"visa":[],"liveness":{"score":52,"band":"ok","label":"Likely open","p_open":1,"p_active":0.516,"p_room":1,"age_days":0,"expected_fill_days":23,"reasons":["seen:0","agency","win:early"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/tessero-senior-data-engineer","json_url":"https://alion.io/job/tessero-senior-data-engineer.json","meta":{"generated_at":"2026-10-15T02:40:55Z","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":3952,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":4428082},"rest":"https://alion.io/mcp/rest/get_company?id=4428082"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftessero-senior-data-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%2Ftessero-senior-data-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%2Ftessero-senior-data-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/tessero-senior-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftessero-senior-data-engineer"}]}