ETL Developer

Leidos LLC; Plyers Mill Estates (MD); On-site; USD 94,000 - 157,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with 6% company match

Job summary

Leidos is seeking an ETL Developer to design, implement, and optimize NiFi-based data pipelines for large-scale enterprise data lakes. You will work in a DevOps framework to deliver robust, secure data flows across cloud and on-prem environments.

The role requires hands-on experience with NiFi, Java or Python, and integrating with databases and messaging services, along with a TS/SCI with polygraph clearance. Bachelor's degree with 4+ years of experience is typical.

Qualifications

• Active TS/SCI with polygraph clearance required.
• Bachelor’s degree with 4+ years of relevant experience or Master’s with 2+ years.
• Experience designing, developing, and managing NiFi data flow solutions in large-scale environments.
• Proficiency in Java and/or Python; REST API integration and scripting for automation.

Responsibilities

• Design and implement enterprise NiFi data pipelines for large-scale ingestion and transformation.
• Tune performance, manage memory, and optimize NiFi data flows for batch and real-time processing.
• Diagnose and resolve complex data flow issues and bottlenecks.
• Integrate NiFi with databases, cloud services (AWS/Azure/OCI), and messaging systems (Kafka, S3, SQS/SNS).
• Document architectures, flows, and operating procedures for knowledge transfer.

Skills

NiFi design

Java

Python

REST API

Data modeling

Education

Bachelor's degree

Master's degree

Tools

NiFi Registry

Kafka

Elasticsearch

AWS

Azure

OCI

Job description

Leidos has an exciting opportunity for an ETL 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!

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: January 20, 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.

Job Description

We have an IMMEDIATE NEED for an ETL developer to play a pivotal role in shaping, and implementing cutting‑edge data flow solutions centered around Apache NiFi. 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 (ETL) of data into an enterprise Data Lake. The candidate will be responsible for following architectural best practices, and optimizing performance in large‑scale environments, ensuring the delivery of robust, scalable, and secure data flow solutions that drive critical customer needs. Based in a DevOps framework, the ETL Developer participates in the delivery of major projects through all aspects of the software development lifecycle.

Primary Responsibilities

• Building complex 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 complex NiFi data flow issues, including performance bottlenecks, data discrepancies, and integration failures.
• Integrating with big data and cloud technologies: Seamlessly integrate NiFi with various databases, big data ecosystems, and cloud platforms (e.g., AWS, OCI, Azure), demonstrating familiarity in relevant services (e.g., Kafka, Elasticsearch, S3, SQS/SNS).
• 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

• Direct experience designing, developing, and managing complex NiFi data flow solutions in large‑scale enterprise environments.
• Experience in programming languages like Java and/or Python and scripting for automation.
• Experience writing and optimizing complex queries, along with experience in interacting with relational and NoSQL databases (e.g., Postgres, Elasticsearch, DynamoDB).
• Experience with real‑time streaming, and API integration (REST) for seamless data connectivity.
• Experience with cloud platforms like AWS, Azure, or OCI and related data services.
• Ability to analyze complex data challenges, identify root causes, and implement effective solutions.
• Ability to collaborate effectively with cross‑functional teams and articulate technical concepts clearly.
• Bachelor’s degree with 4 or more years of prior relevant experience or Master’s degree with 2 or more years of relevant experience.
• Will consider experience 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 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.

Pay Range

Pay Range $87,100.00 - $157,450.00

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.

Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Benefits

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

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.

About Leidos

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.

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