Sr. ETL Developer

OverviewSr. ETL Developer role at Leidos in the National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). The team focuses on Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Leidos offers competitive benefits including Paid Time Off, holidays, 401K with company match, flexible schedules, stock purchase plans, technical upskilling, education and training support, parental leave, and more. We have an immediate need for an ETL developer to design, develop, implement and test customer tools and applications supporting Extracting, Transforming and Loading (ETL) of data into an enterprise Data Lake. The candidate will follow architectural best practices and optimize performance in large-scale environments, delivering robust, scalable, and secure data flow solutions within a DevOps framework across major projects.Primary ResponsibilitiesBuilding NiFi data pipeline design: Develop and implement enterprise-level ETL NiFi data pipelines for large-scale data ingestion, transformation, and processing from diverse sources.Performance optimization and tuning: Optimize NiFi data flows, including processor tuning, memory management, and load balancing, ensuring optimal performance for batch and real-time processing.Troubleshooting and problem resolution: Identify, diagnose, and resolve NiFi data flow issues, including performance bottlenecks, data discrepancies, and integration failures.Follow best practices and standards: Adhere to established NiFi development, deployment, security, and governance standards; comply with enterprise data management policies.Documentation and knowledge sharing: Create and maintain documentation for NiFi data flows, mappings, architectures, and standard operating procedures to promote knowledge transfer and efficient team operations.Collaboration and communication: Work with data architects, data engineers, application/service developers, and stakeholders to translate business requirements into robust technical solutions.Basic QualificationsExperience developing and managing NiFi data flow solutions in enterprise environments.Experience in Java and/or Python and scripting for automation.Experience with cloud platforms such as AWS, Azure, or OCI and related data services.Ability to analyze data challenges, identify root causes, and implement effective solutions.Strong collaboration skills and ability to articulate technical concepts clearly.Bachelor’s degree with 8+ years of relevant experience or Master’s degree with 6+ years of relevant experience (or equivalent experience).Active TS/SCI with polygraph security clearance is required.Preferred QualificationsExperience deploying ETL solutions in an AWS environment.Experience querying relational or NoSQL databases (e.g., Postgres, Elasticsearch, DynamoDB).Experience with API integration (REST) for data connectivity.Experience developing custom NiFi processors with Java and/or Python.Knowledge of NiFi architecture, processors, configurations, NiFi Registry, and clustering for high availability and scalability.Additional InformationSeniority level: Mid-Senior levelEmployment type: Full-timeJob function: Business Development and SalesIndustries: Software DevelopmentReferrals increase your chances of interviewing at Jobs via Dice. Get notified about new Senior ETL Developer jobs in Bethesda, MD. #J-18808-Ljbffr

Created: 2025-09-17