ETL Java Developer

Description

Leidos has a new and exciting opportunity for a ETL Java Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). 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!

This ETL Java Developer SME role is supporting mission‑critical systems in an Agile Dev Ops environment. You will have the opportunity to build strong systems, software, and cloud environments, and provide operations and maintenance for critical systems. This role also provides technical expertise in the design, development, implementation, and testing of customer tools and applications. Additionally, this role participates in major deliverables of projects throughout the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing.

And develops custom code/scripts to quickly extract, triage, and exploit data across domains and data stores.

• Design and implement a large‑scale ingest system in a big data environment.
• Analyze and design the best possible ELT processes to support enterprise data objectives.
• Recommend methodologies to optimize visualization, organization, storage, and availability of large‑scale data.
• Participate in software programming initiatives using HTML, CSS, JavaScript, Java, Python, Spring Boot, and Hibernate.
• Develop and direct software system validation and testing methods using Junit and Katalon.
• Support the Agile software development lifecycle following Program SAFe practices.
• Leverage Atlassian tool suite like JIRA and Confluence to track activities.

• Demonstrated experience performing ETL activities, including parser development, data flow management, data lifecycle policy implementation, and data model development.
• Experience with data modeling and relational databases such as Postgre
  
  SQL.
• Extensive experience using Java for data processing, manipulation, or querying (SQL or No
  
  SQL).
• ETL/Data Integration experience using Spring, NiFi, Kafka, and Elasticsearch.
• Experience with development in Commercial Cloud Platforms (e.g., AWS, Google Cloud, Azure).
• Bachelor's with 8+ years of relevant experience or a Master's with 6+ years of relevant experience. Additional years of experience may be substituted in lieu of a degree.
• TS/SCI with a polygraph is required for consideration.

• Experience working on the customer's systems.
• Understanding of the customer's system development policies.
• Additional certifications related to ETL and data integration tools.
• Extensive experience with NiFi and Elasticsearch.

August 1, 2025

Pay Range $ – $

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 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

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