{"id":1532551,"url":"https://alion.io/job/flex-senior-etl-developer","title":"Senior ETL Developer","company":{"id":1845316,"name":"Flex","domain":"flex.com","url":"https://alion.io/company/flex-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":71,"ghost_share":0,"stale_share":0.789,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-10-06T05:45:30Z"}},"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":["Chennai, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":19500,"max_usd":39000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":54},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Informatica","optional":false},{"name":"Matillion","optional":false},{"name":"MuleSoft","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Replicate","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"Unix","optional":false},{"name":"Apex","optional":true}],"status":"live","first_seen_at":"2026-09-30T16:54:16Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-06T22:08:00Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.\nA career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.\nJob Summary\n\nTo support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Senior ETL Developer inChennai, India.\nWhat a typical day looks like:\nAnalyze data requirements, data model and determine the best methods in extracting, transforming, and loading the data into the data warehouse and other system integration projects\nPerform source system analysis and design the extract logic\nArchitect the solution, Code Design, Implement and continuously expand data pipelines by performing extraction, transformation and loading activities\nInvestigate data to identify potential issues within ETL pipelines\nWrite SQL scripts to perform data comparison checks to unit test data integration jobs\nPrepare high- and low-level design documentation\nPoCs for various Data Integration uses cases by using various Data Integration tools and Databases.\nWrite Shell scripts or Python scripts for various in-house automation activities\nThe experience we’re looking to add to our team:\n4 to 6 years of Development experience in Data Warehousing environment with very strong knowledge of Data Integration, migration & replication by using Informatica PowerCenter/products, Oracle, MySQL, Snowflake & Unix shell scripting\nProficient in Data modelling & Strong Exposure to Data Warehousing Concepts. \nImplementation of larger Data Warehousing/Data Lake projects\nStrong hands-on experience on Databases including PL/SQL & SQL\nHands on experience in SQL query tuning, query re-writing & fine tuning \nPreferred to have exposure on cloud data integration tools like Matillion, Snowflake OpenFlow, Kafka Streaming and Mulesoft platform.\nAble to write the complex Unix shell and Python scripts\nHands on experience of Informatica Power Center and other products, preferred to have worked on CDC (Change Data Capture) environment\nStrong knowledge of Oracle, SQL server, postgres & Snowflake database and write/optimizing complex SQL queries\nExperience with scripting languages such as Unix Shell and Python\nStrong knowledge of data analysis, data transformation, conceptual data modelling, data transformation and metadata management.\nPreferred to have knowledge on Qlik Replicate, Big data, APIs, and Cloud data integration tools experience\nExperience in handling various file types for sending/receiving data (CSV/API/XML/JSON/AVRO)\nShould be proficient enough to design and develop ETL for any data warehouse projects\nShould have very good technical skills to optimize/tune the SQL queries or workflow to reduce cycle times to process huge data set\nUnderstanding of industry standards for data security and privacy\nDesign and Develop Informatica mappings, mapplets and workflows using Informatica products\nShare the workload and flexible enough to get into other technologies as applicable and need basis\nCoach and guide other members in the team and implement best practices and automate some of routine day to day activities\nPrepare High & Low-level design documents and Test cases for various Data Warehousing projects\nWhat you’ll receive for the great work you provide:\nHealth Insurance\nPTO\nRR03\nJob Category\nITRequired Skills:\nOptional Skills:\nFlex pays for all costs associated with the application, interview or offer process, a candidate will not be asked for any payment related to these costs.Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email  and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. 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