{"id":2427741,"url":"https://alion.io/job/prologis-senior-semantic-data-engineer","title":"Senior Semantic Data Engineer","company":{"id":1755030,"name":"Prologis","domain":"prologis.com","url":"https://alion.io/company/prologis","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States","Atlanta, United States","Denver, United States","Dallas, United States","Columbus, United States","Phoenix, United States","Chicago, United States","New York, United States","Nashville, United States","Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":104000,"max":144000,"currency":"USD","period":"year","gross":null,"usd_annual":144000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AI Agents","optional":false},{"name":"Cortex","optional":false},{"name":"Knowledge Graph","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Python","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"Prometheus","optional":true}],"status":"live","first_seen_at":"2026-10-08T00:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-13T12:45:33Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"At Prologis, we don’t just lead the industry-we define it with a 1.3 billion square foot portfolio and an annual throughput of approximately $3.2 trillion. We create the intelligent infrastructure that powers global commerce, seamlessly connecting the digital and physical worlds. From agile supply chains to energy solutions, our ecosystems help your business move faster, operate smarter and grow sustainably. With unmatched scale, innovation and expertise, Prologis is a category of one-not just shaping the future of logistics but building what comes next.Job Title:\nSenior Semantic Data EngineerCompany:\nPrologis\nA day in the life\nPrologis is transforming how work gets done by bringing trusted data, automation, and AI into the core of its operations. As a Senior Semantic Data Engineer on the Data Solutions team, you will help create a shared enterprise understanding of business concepts, relationships, rules, and measures so people, applications, processes, and AI can interpret and use data consistently. This multidisciplinary role combines senior data engineering, business analysis, semantic modeling, AI evaluation, and enablement, with close partnership across business leaders, domain experts, and technical teams. You will carry solutions from discovery through production, helping Prologis improve decision confidence, accelerate solution delivery, and scale automation and AI without recreating business logic for each use case.\nKey responsibilities include:\nDesign and deliver trusted, reusable Snowflake data products for business domains, translating source data into certified dimensional structures, reusable views, and data contracts while resolving identity and modeling historical change.\nBuild and maintain the semantic layer by defining shared business concepts, terminology, relationships, rules, and measures that support consistent use of enterprise data across analytics, applications, business processes, automation, and AI.\nImplement semantic data products using Snowflake Cortex semantic views and analytical Cortex Agents, applying approved AI capabilities to improve delivery speed, quality, and consistency while remaining accountable for outputs.\nValidate semantic data products for business accuracy, data quality, usability, performance, security, and production readiness.\nDevelop and maintain representative business questions, verified queries, expected results, and regression tests; investigate inaccurate or inconsistent AI-generated answers and improve the underlying data, semantic model, instructions, or examples.\nCapture definitions, mappings, ownership, lineage, and user guidance in version-controlled, machine-readable formats and publish this content to the enterprise data catalog through automated processes.\nLead complex semantic-modeling initiatives from business and source discovery through technical design, implementation, production deployment, and continuous improvement, partnering with business owners and domain experts across business functions, processes, systems, and regional variations.\nBuilding blocks for success\nRequired:\nFive or more years of experience in data engineering, data modeling, analytics engineering, or a related discipline.\nExperience designing conceptual, logical, physical, and dimensional data models and translating business concepts into production data products, including grain, relationships, metrics, identity, and historical change.\nAdvanced SQL skills.\nExperience designing and delivering production data products in Snowflake.\nExperience with semantic layers, reusable metric definitions, and business metadata that support natural-language data access, enterprise search, copilots, or AI agents.\nExperience managing technical assets through source control, code review, automated testing, deployment, and change-management practices.\nPractical experience using approved AI tools in analysis, engineering, documentation, testing, or problem-solving, with disciplined validation of AI-generated outputs.\nCommunication and facilitation skills demonstrated through work with business stakeholders, translation between business and technical teams, ambiguity resolution, influence without direct authority, and leadership across collaborating teams.\nPreferred:\nBachelor’s degree in Computer Science, Information Systems, Data Management, Engineering, or a related field, or equivalent practical experience.\nExperience with Snowflake Cortex semantic views, Cortex Analyst, Cortex Agents, or comparable AI-enabled semantic-layer technologies.\nExperience creating evaluation datasets, verified query libraries, or validation frameworks for analytics, natural-language-to-SQL, or AI solutions.\nExperience with enterprise data catalogs, metadata management, lineage, and data-quality platforms.\nExperience using Python or a similar programming language and machine-readable formats such as YAML to create and maintain data and metadata assets, including exposure to APIs or MCP-based integrations; exposure to controlled vocabularies, taxonomies, knowledge graphs, or ontologies is also useful.\nDemonstrates willingness and capability to leverage emerging technology, automation, and AI tools to improve efficiency, quality, and speed. Exercises sound judgment, creative thinking, and accountability for outcomes.\nHiring Salary Range of:\n$104,000 - $144,000. Salary and whole compensation package (bonus target) to be determined by the candidate’s location, education, experience, knowledge, skills, and abilities, as well as internal equity and alignment with market data.\nPeople First\nEach of us working at Prologis plays an essential role in the enduring success of our company. We value people who are decisive, courageous and adaptable. While we are one company, locations and departments operate with autonomy and accountability. Individuals take the initiative here.\nWhen you join Prologis, you work shoulder to shoulder with some of the top talent in the industry to do the best work of your career. Every employee belongs. Every employee contributes. Employees advance their careers here.\nAs a successful global enterprise, Prologis has never lost sight of what matters most, our strong belief that our people are the most important part of our business. And because of that, we provide a generous total rewards package and take a lot of time to focus on quality management and leadership development. People come first here.\nAll full-time roles in the US come with a robust benefits package which includes healthcare, dental, and vision insurance for employees and eligible dependents. Prologis also offers several other wellness, financial, and work/lifestyle-specificbenefits. Our 401(k) retirement plan has a company match of 50% up to 12% of eligible compensation. We also offer generous PTO with a starting accrual of 22 days a year in addition to paid holidays and volunteer time.\nAll job offers are contingent upon successful completion of background verification. Prologis is an Equal Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religions, sex, national origin, sexual orientation, gender identity, disability status, protected veteran status, or any other characteristic protected by law.Employment Type:\nFull timeLocation:\nSan Francisco, CaliforniaAdditional Locations:\nAtlanta, Georgia, Chicago, Illinois, Columbus, Ohio, Dallas, Texas, Denver, Colorado, Nashville, Tennessee, New York, New York, Phoenix, Arizona, Seattle, Washington","description_format":"text","description_chars":7551,"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":[]},"benefits":["Equity","Retirement plans","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T08:14:36Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.851,"p_room":1,"age_days":5,"expected_fill_days":22,"reasons":["conf:2","win:early"],"computed_at":"2026-10-13T14:54:21Z"},"pay":{"stated_usd_annual":144000,"is_top_pay":false},"html_url":"https://alion.io/job/prologis-senior-semantic-data-engineer","json_url":"https://alion.io/job/prologis-senior-semantic-data-engineer.json","meta":{"generated_at":"2026-10-13T14:54:21Z","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":22741,"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":1755030},"rest":"https://alion.io/mcp/rest/get_company?id=1755030"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fprologis-senior-semantic-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%2Fprologis-senior-semantic-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%2Fprologis-senior-semantic-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/prologis-senior-semantic-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fprologis-senior-semantic-data-engineer"}]}