{"id":2560978,"url":"https://alion.io/job/sentinel-group-junior-data-engineer-sentinel-group","title":"Junior Data Engineer - Sentinel Group","company":{"id":453347,"name":"Sentinel Group","domain":"sentinelgroup.com","url":"https://alion.io/company/sentinelgroup","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"junior","employment_type":null,"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":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"AWS","optional":true},{"name":"Rest API","optional":true}],"status":"live","first_seen_at":"2026-10-14T20:36:16Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-15T06:08:27Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Location Note: This a hybrid role for our Wakefield, MA office (In-office one day per week, plus additional in-person trainings and workshops as needed)\nThe Purpose of Your Role:\nThe Junior Data Engineer is part of the development team responsible for building, maintaining, enhancing, and integrating Sentinel’s data pipelines, data services, and connected systems. In this role, you will learn and contribute across the data engineering lifecycle: understanding requirements, documenting technical approaches, preparing test plans, writing and reviewing code, validating data quality, troubleshooting pipeline issues, and supporting releases.\nWorking with guidance from experienced engineers, you will help turn data from APIs, databases, files, and other systems into secure, reliable, and well-documented datasets that support Sentinel’s applications, reporting, and business decisions. You will contribute to engineering decisions within a defined scope and grow your ownership of our data platforms and practices over time. You also will support our business teams with business intelligence insights.\nWhat you'll bring to Sentinel:\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.\nWhat you'll be responsible for:\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.\nAbout you:\nWe are looking for smart and innovative thinkers to drive our business and clients forward-someone with self-motivation, drive, determination, and the strength of character to challenge the status quo. We strive to surround ourselves with team members who are proud of their work and look for people who are willing to embrace change.\nWhat you need to have:\nPreferred qualifications:\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.\nAbility to work in a hybrid work environment, with one day in the office.\nAuthorized to work in the US without current or future sponsorship.\nSalary Range: $85,000-$93,000\nAt Sentinel, compensation is calibrated to your geographic location to reflect local market conditions; the posted salary range may vary based on where you live.","description_format":"text","description_chars":4507,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Wealth Management & Financial Advisors","Health Insurance & Benefits"],"lifecycle":[{"event":"open","at":"2026-10-14T20:36:16Z"}],"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":29,"reasons":["conf:4","win:early","comp:junior"],"computed_at":"2026-10-15T05:46:00Z"},"pay":{"stated_usd_annual":93000,"is_top_pay":false},"html_url":"https://alion.io/job/sentinel-group-junior-data-engineer-sentinel-group","json_url":"https://alion.io/job/sentinel-group-junior-data-engineer-sentinel-group.json","meta":{"generated_at":"2026-10-15T10:17:25Z","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":15578,"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":453347},"rest":"https://alion.io/mcp/rest/get_company?id=453347"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsentinel-group-junior-data-engineer-sentinel-group"},{"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%2Fsentinel-group-junior-data-engineer-sentinel-group"},{"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%2Fsentinel-group-junior-data-engineer-sentinel-group"},{"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-sentinel-group\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsentinel-group-junior-data-engineer-sentinel-group"}]}