{"id":3747266,"url":"https://alion.io/job/nielsen-senior-data-scientist-i-4","title":"Senior Data Scientist I","company":{"id":837,"name":"Nielsen","domain":"nielsen.com","url":"https://alion.io/company/nielsen","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":80,"open_postings":6,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-11-12T10:38:37Z"}},"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":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Agile","optional":false},{"name":"Alteryx","optional":false},{"name":"AWS","optional":false},{"name":"Confluence","optional":false},{"name":"Databricks","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Jira","optional":false},{"name":"NumPy","optional":false},{"name":"Pandas","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"SciPy","optional":false},{"name":"SQL","optional":false},{"name":"Tableau","optional":false},{"name":"Time Series","optional":false}],"status":"live","first_seen_at":"2026-11-04T11:04:58Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-12T16:18:31Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"At Nielsen, we are passionate about our work to power a better media future for all people by providing powerful insights that drive client decisions and deliver extraordinary results. Our talented, global workforce is dedicated to capturing audience engagement with content - wherever and whenever it’s consumed. Together, we are proudly rooted in our deep legacy as we stand at the forefront of the media revolution. When you join Nielsen, you will join a dynamic team committed to excellence, perseverance, and the ambition to make an impact together. We champion you, because when you succeed, we do too. We enable your best to power our future.\n About the Role\nThe Senior Data Analyst I develops analytic solutions that provide transparency to and enable critical business decisions regarding panel health, sample performance, and operational efficiency. In this role, you will apply a strong mathematical and statistical background to build predictive and prescriptive models aimed at optimizing operational spending-specifically reducing panelist incentives and operational costs without impacting panel performance, data quality, or core KPIs. Additionally, you will play a key role in tool migration initiatives, decoding complex logic from legacy workflows and data pipelines and re-engineering them into modern analytics frameworks. The ideal candidate brings 5+ years of experience, exhibits excellent project leadership skills, and communicates complex statistical insights clearly across technical and non-technical stakeholders.\n Key Responsibilities\nStatistical Modeling & Cost Optimization: Apply advanced statistical methods, rate forecasting, and predictive modeling to identify cost-saving opportunities across panel operations, specifically driving reductions in panelist incentive costs while maintaining data integrity and key performance metrics.\nTool Migration & Logic Decoding: Work closely with stakeholders to decode, reverse-engineer, and document complex business logic embedded within legacy workflows and data pipelines, successfully converting and migrating them into new analytics tools and console frameworks.\nIndependent Project Leadership: Lead analytics projects independently from conception to deployment, managing project timelines, production support, and the delivery of business-critical solutions.\nProcess Automation & Tech Debt Reduction: Design, automate, and optimize analytics tools to better plan, predict, and monitor sample performance, significantly reducing tech debt associated with legacy architectures.\nBusiness Intelligence & Insights: Conduct research and quantitative analysis using descriptive, prescriptive, and statistical methods to deliver actionable insights and executive dashboards for business stakeholders.\nCross-Functional Collaboration & Governance: Collaborate with cross-functional teams to align analytics workflows, implement data governance processes, and ensure timely issue resolution and production delivery.\n Qualifications & Experience\nEducation: Bachelor’s or Master’s degree in Statistics, Mathematics, Analytics, Data Science, Computer Science, or a related quantitative field.\nExperience: 5+ years of experience in quantitative analysis, data science, data analytics, or operations research.\nStatistical Mastery: Strong background in statistical modeling and testing procedures (e.g., A/B testing, ANOVA, Regression, Time Series, Correlation, and hypothesis testing).\n Technical & Migration Skills:\n5+ years querying large relational databases using SQL (e.g., PostgreSQL, Oracle).\n5+ years using scripting languages for data manipulation and statistical modeling (e.g., Python with SciPy, NumPy, and Pandas).\n5+ years in data integration, analytics workflow conversion, and ETL tools (e.g., Alteryx, Databricks).\n5+ years developing visualizations and executive dashboards using tools such as Tableau or BI platforms\nCommunication & Leadership Competencies:\nExcellent verbal and written communication skills with a proven ability to explain complex statistical concepts to non-technical audiences concisely.\nAbility to lead projects independently, prioritize multiple assignments, and solve complex problems in time-critical environments.\nStrong attention to detail, commitment to data quality, and proactive drive for process improvement.\nOptional Qualifications\nExperience with process improvement methodologies such as Lean or Six Sigma.\nFamiliarity with Agile project management tools (Jira, Confluence, or Smartsheets).\nAlteryx Core Certification or experience working with cloud ecosystems (Databricks, AWS).\nPlease be aware that job-seekers may be at risk of targeting by scammers seeking personal data or money. Nielsen recruiters will only contact you through official job boards, LinkedIn, or email with a nielsen.com domain. Be cautious of any outreach claiming to be from Nielsen via other messaging platforms or personal email addresses. Always verify that email communications come from an @ nielsen.com address. If you're unsure about the authenticity of a job offer or communication, please contact Nielsen directly through our official website or verified social media channels.","description_format":"text","description_chars":5182,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Media","Media & Audience Measurement"],"lifecycle":[{"event":"open","at":"2026-11-04T13:46:57Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":0.945,"age_days":7,"expected_fill_days":21,"reasons":["conf:0","velocity","win:mid"],"computed_at":"2026-11-12T10:38:37Z"},"pay":null,"html_url":"https://alion.io/job/nielsen-senior-data-scientist-i-4","json_url":"https://alion.io/job/nielsen-senior-data-scientist-i-4.json","meta":{"generated_at":"2026-11-12T23:30:14Z","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":49725,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":837},"rest":"https://alion.io/mcp/rest/get_company?id=837"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnielsen-senior-data-scientist-i-4"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fnielsen-senior-data-scientist-i-4"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fnielsen-senior-data-scientist-i-4"},{"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/nielsen-senior-data-scientist-i-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnielsen-senior-data-scientist-i-4"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3747266}},{"tool":"search_jobs","arguments":{"company":"nielsen.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3747266},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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