> Markdown version of [/jobs/ext/4541586-big-data-machine-learning-engineer-sr](https://www.wearedevelopers.com/jobs/ext/4541586-big-data-machine-learning-engineer-sr). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Big Data/Machine Learning Engineer - Sr - **Company:** Artech - **Location:** McLean, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon S3, Big Data, Continuous Integration, Data Integrity, Relational Databases, Python (Programming Language), PostgreSQL, Machine Learning, MySQL, Pyspark, Data Lineage, Apache Kafka, Data Delivery, Data Pipelines, Amazon Elastic Mapreduce (EMR) - **Published:** November 3, 2026 - **Apply:** https://www.thejobnetwork.com/job/109ef778-cfe3-45bf-a1c4-083bc6bd7058/big-datamachine-learning-engineer-sr ## About the Role * Expert-level proficiency in Python and PySpark. * Deep hands-on experience with AWS Glue and Amazon EMR. * Proven track record of building scalable pipelines for large-scale data (Terabyte-scale preferred). * Demonstrated experience implementing frameworks for Data Lineage and Data Quality. * Strong experience working with S3-based lakes and relational databases (RDS/PostgreSQL/MySQL). * Must have previous client experience working for this customer in the past 5 years. Preferred Skills & Qualifications * Experience within the Financial Services industry is a huge plus. * Experience with Kinesis or Kafka integration for low-latency data delivery. * Familiarity with CI/CD for data pipelines and Infrastructure as Code. ## Description Join a dynamic team where you will be responsible for designing and implementing high-performance data pipelines to handle large volumes of data. This role requires expertise in ensuring data integrity through advanced quality checks and lineage tracking. You will work in a collaborative environment focused on innovation and excellence.