ETL Java Developer

About the role

Leidos has an exciting opportunity for an ETL Java Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Summary

As an ETL Java developer you will provide Agile DevOps support to mission critical systems. On this program, you will have the opportunity to build strong systems, software, and cloud environments and provide operations and maintenance for critical systems.

The candidate will provide technical expertise and support in the design, development, implementation and testing of customer tools and applications in support of Extracting, Transforming and Loading of data into an enterprise Data Lake.

Based in a DevOps framework, participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. This role requires the development of custom code/scripts to quickly extract, triage and exploit data across domains and data stores.

Primary Responsibilities

• Building 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: Follow establish best practices for NiFi development, deployment, security, and governance, ensuring adherence to enterprise-wide data management policies.
• Documentation and knowledge sharing: Create and maintain comprehensive documentation for NiFi data flows, mappings, architectures, and standard operating procedures, ensuring knowledge transfer and promoting efficient team operations.
• Collaboration and communication: Collaborate effectively with data architects, data engineers, application/service developers, and other stakeholders to translate business requirements into robust technical solutions.

Basic Qualifications

• Experience developing, and managing NiFi data flow solutions in enterprise environments.
• Experience in programming languages like Java and/or Python and scripting for automation.
• Experience with cloud platforms like AWS, Azure, or OCI and related data services
• Ability to analyze data challenges, identify root causes, and implement effective solutions.
• Ability to collaborate effectively with cross-functional teams and articulate technical concepts clearly.
• Bachelor’s with 2-4 years of prior relevant experience. Additional years of experience may be substituted in-lieu of a degree.
• To be considered must have an active TS/SCI with polygraph security clearance.

Preferred Qualifications

• Experience deploying ETL solutions in an AWS environment.
• Experience writing queries, along with experience in interacting with relational or NoSQL databases (e.g., Postgres, Elasticsearch, DynamoDB).
• Experience with API integration (REST) for seamless data connectivity.
• Experience developing custom NiFi processors with Java and/or Python.
• Direct knowledge of NiFi architecture, processors, and configurations, along with hands-on experience with NiFi Registry and clustering for high availability and scalability.

Additional information

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

• #CABARESTON
• #ASBA
• #HALO

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting: April 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.