ETL Java Developer

Leidos LLC; Plyers Mill Estates (MD); On-site; USD 70,000 - 126,000; Full time

Benefits offered by this job

Paid Time Off

11 holidays

401K with company match

Flexible schedules

Stock purchase plan

Upskilling

Education and training support

Parental paid leave

Job summary

Leidos has an exciting opportunity for an ETL Java Developer in the Intel Security Sector. The role focuses on building NiFi-based ETL data pipelines, optimizing data flows, and supporting enterprise-scale data ingestion into a Data Lake within a DevOps framework.

You will design, implement, and test customer tools and applications for data extraction, transformation, and loading, with emphasis on secure, scalable, and observable data pipelines across diverse sources and stores.

Qualifications

• Experience with NiFi data pipelines in enterprise environments.
• Proficiency in Java and/or Python with automation scripting.
• Experience with cloud platforms such as AWS, Azure, or OCI.
• Ability to analyze data challenges and propose solutions.
• Active TS/SCI clearance with polygraph required.
• Bachelor's degree with 2–4 years of relevant experience.

Responsibilities

• Build enterprise-level NiFi data pipelines for large-scale data ingestion and transformation.
• Tune and optimize NiFi data flows for batch and real-time processing.
• Troubleshoot data flow issues, performance bottlenecks, and integration failures.
• Follow best practices for NiFi development, security, and governance.
• Create and maintain documentation for NiFi data flows and architectures.
• Collaborate with data architects, engineers, and developers to translate requirements into robust solutions.

Skills

Java

Python

Scripting

AWS/Azure/OCI

Data engineering

Teamwork

DevOps

Education

Bachelor's degree

Tools

NiFi

NiFi Registry

Clustering

Job description

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.

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.

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.

Pay Range: 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.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave and Retirement

More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.