{"id":3587072,"url":"https://alion.io/job/sentra-data-reaserch-engineer","title":"Data Reaserch Engineer","company":{"id":180445,"name":"Sentra","domain":"sentra.io","url":"https://alion.io/company/sentra","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Comeet","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tel Aviv, Israel"],"countries":["IL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":61000,"max_usd":165000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1015},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Dagster","optional":false},{"name":"DLP","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Fine-tuning","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"NER","optional":false},{"name":"NLP","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-01T11:21:05Z","employer_posted_date":"2026-11-01","last_verified_at":"2026-11-02T13:55:18Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Description\nSentra is on a mission to enable cloud-driven organizations to regain control and secure their full data lifecycle. We are a fast-growing start-up company, located in Tel Aviv (near a train station) with a very strong founding team. We're seeking a talented AI Research Engineer to join our Classification team in the R&D Data group.\nThis role combines research, engineering and analytical thinking to make our AI-driven data classification accurate and reliable for our customers. We combine regex and rule-based classifiers with fine-tuned ML models (NER and text classification), along with great engineering and analytics, to deliver findings on millions of files and tables a day.\nResponsibilities\nResearch, design and ship new classification capabilities that expand coverage of sensitive data types, owning the end-to-end process from research and experiments through production deployment.\nEvaluate and tune our classifiers (regex, dictionaries, fine-tuned NER and text classification models): build ground truth sets, measure precision and recall, find the root cause of false positives and false negatives, and fix them.\nBuild automated evaluation and benchmark workflows to compare classifier versions and catch quality regressions before they reach customers.\nDesign, build, and maintain data pipelines and dashboards to track classification quality and product performance, and deliver actionable insights to stakeholders at all levels.\nWork with customers' real-world data problems: support PoCs and customers with deep classification analysis, and turn their feedback into product improvements.\nWork from within the R&D Data team, take part in the discussions revolving around Sentra's AI research objectives, priorities and solutions.\nRequirements\n3+ years of hands-on experience in data analysis, data science or ML engineering in a B2B SaaS company\nProficiency with Python and SQL; experience with Spark or similar technologies\nStrong regular expressions skills: write, test and tune patterns, and explain their false positive behavior\nExperience designing experiments and measuring model quality (precision, recall, error analysis)\nExperience building and maintaining data pipelines, ETL processes, and workflow orchestration tools (Airflow, Dagster, or similar)\nDegree in a quantitative field such as Computer Science, Engineering, Mathematics, Statistics\nUnderstanding of software development best practices (Git, CI/CD, testing)\nCan-do attitude. Problem solving skills, self-starter, proactive mindset\nAdvantage:\nPrevious experience in the cybersecurity domain (DSPM, DLP, data classification)\nExperience with cloud environments (AWS, Azure, GCP)\nExperience fine-tuning NLP models (for example NER or text classification) or using LLMs in daily work","description_format":"text","description_chars":2783,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Israel","iso":"IL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Loss Prevention"],"lifecycle":[{"event":"open","at":"2026-11-01T13:05:01Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":25,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/sentra-data-reaserch-engineer","json_url":"https://alion.io/job/sentra-data-reaserch-engineer.json","meta":{"generated_at":"2026-11-02T15:24:35Z","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":21322,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":180445},"rest":"https://alion.io/mcp/rest/get_company?id=180445"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsentra-data-reaserch-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%2Fsentra-data-reaserch-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%2Fsentra-data-reaserch-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/sentra-data-reaserch-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsentra-data-reaserch-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3587072}},{"tool":"search_jobs","arguments":{"company":"sentra.io","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3587072},"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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