{"id":4301307,"url":"https://alion.io/job/sentinel-group-junior-data-engineer","title":"Junior Data Engineer","company":{"id":4542352,"name":"Sentinel Group","domain":"sentinelsecurities.com","url":"https://alion.io/company/sentinel-group","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"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":"explicit","locations":["Wakefield, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":85000,"max":93000,"currency":"USD","period":"year","gross":null,"usd_annual":93000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-14T02:45:57Z","employer_posted_date":null,"last_verified_at":"2026-11-14T02:45:57Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Sentinel Group is hiring a Junior Data Engineer to build, maintain, enhance, and integrate data pipelines, services, and connected systems. The role supports the data engineering lifecycle, helps deliver secure and reliable datasets, and provides business intelligence insights to business teams.\n\nResponsibilities\nWork with Business Analysts, Data Analysts, Software Engineers, and peers to understand requirements and deliver data solutions you are proud of\nBuild, maintain, and enhance batch data pipelines and ETL/ELT workflows under the guidance of senior engineers\nWrite SQL and scripts to extract, transform, validate, and load data from APIs, databases, files, and other sources\nHelp design and maintain well-defined datasets, tables, views, and data models for downstream applications, reporting, and analytics\nImplement data quality checks, reconciliation steps, logging, and monitoring to help ensure data is accurate, complete, timely, and available\nTroubleshoot pipeline and data issues, communicate blockers clearly, and escalate risks with useful diagnostic information\nHelp modernize legacy data processes and move them toward secure, automated, cloud-based solutions that follow our CI\nContribute to code reviews, automated tests, build pipelines, documentation, runbooks, and other practices that strengthen our development and data operations\nSupport safe releases, backfills, and reprocessing by validating results and documenting changes\n\nSkills\nA commitment to building secure, maintainable, testable, and observable data systems\nA growth mindset and willingness to learn from experienced engineers, analysts, and business partners\nFoundational programming skills for data processing, automation, and integration work\nWorking knowledge of SQL, relational databases, and data transformation concepts\nFamiliarity with Python or another programming language used for scripting and data engineering\nAn understanding of how data quality, lineage, documentation, and governance contribute to trusted data\nCuriosity about how AI can responsibly improve engineering productivity, testing, documentation, and data quality\nBachelor's or Master's degree in Computer Science, Data Engineering, Information Systems, Mathematics, or a related field—or equivalent experience\nAcademic, internship, project, or professional experience working with SQL, Python, databases, data analysis, or software development\nUnderstanding of relational database concepts, data modeling fundamentals, and common ETL/ELT patterns\nExperience or coursework using SQL to query, join, aggregate, and validate data\nFamiliarity with structured data formats and integrations, including CSV, JSON, and REST APIs\nFoundational knowledge of AWS or another cloud platform, including storage, compute, and access-control concepts\nFamiliarity with version control, pull requests, automated testing, and build or deployment pipelines\nAuthorized to work in the US without current or future sponsorship\nExperience with git, build pipelines, auth, frontend testing\n\nBenefits\nPTO (vacation, sick, personal time bank)\nFTO (Flexible time off for vacation, sick and personal time) after 2 years of service\n12 Paid Holidays (10 stated and 2 floating holidays)\n2 Community Volunteer Days\n5 Summer Half Days\nMedical, Dental, Vision\nLife Insurance\nLTD & STD\nRetirement Plan with 4% Employer Match\nParental Leave\nHybrid role for our Wakefield, MA office (in-office one day per week, plus additional in-person trainings and workshops as needed).\n\nCompany Overview\nSentinel Group provides financial planning, employee benefits, retirement, insurance, and investment services. It was founded in 1987, and is headquartered in Wakefield, Massachusetts, USA, with a workforce of 201-500 employees. Its website is https://www.sentinelsecurities.com.","description_format":"text","description_chars":3804,"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":["Flexible time off","Life insurance","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-14T03:21:50Z"}],"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":23,"reasons":["seen:0","win:early","comp:junior"],"computed_at":"2026-11-14T04:45:10Z"},"pay":{"stated_usd_annual":93000,"is_top_pay":false},"html_url":"https://alion.io/job/sentinel-group-junior-data-engineer","json_url":"https://alion.io/job/sentinel-group-junior-data-engineer.json","meta":{"generated_at":"2026-11-14T04:45:10Z","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":7768,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"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":4542352},"rest":"https://alion.io/mcp/rest/get_company?id=4542352"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsentinel-group-junior-data-engineer"},{"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%2Fsentinel-group-junior-data-engineer"},{"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%2Fsentinel-group-junior-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/sentinel-group-junior-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsentinel-group-junior-data-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4301307}},{"tool":"search_jobs","arguments":{"company":"sentinelsecurities.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4301307},"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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