Principal ETL Developer
AI summary of the role
Leidos seeks a Principal ETL Developer to architect and lead enterprise-scale data flow solutions using Apache NiFi within a DevOps framework.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Architect complex NiFi data pipeline designs for large-scale data ingestion, transformation, and processing from diverse sources.
- Optimize NiFi data flows including processor tuning, memory management, and load balancing for batch and real-time processing.
- Integrate NiFi with databases, big data ecosystems, and cloud platforms (AWS, OCI, Azure) using services like Kafka, Elasticsearch, S3, SQS/SNS.
- Establish best practices for NiFi development, deployment, security, and governance.
What you’ll bring
- In-depth experience designing, developing, and managing complex NiFi data flow solutions in large-scale enterprise environments.
- Proficiency in Java and Python for custom NiFi processor development and scripting.
- Direct experience with real-time streaming and API integration (REST).
- Bachelor's degree with 12+ years of relevant experience or Master's with 10+ years.
Technologies
Apache NiFi · NiFi Registry · Java · Python · Kafka · Elasticsearch · AWS · Azure · OCI · Postgres · DynamoDB · REST
About Leidos
Builds mission-critical technology, engineering, cyber, defense, health, and infrastructure systems for U.S. government, allied, and commercial customers.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
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 defining architectural best practices, optimizing performance in large-scale environments, and mentoring junior developers, 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 and directs major deliverables of projects through all aspects of the software development lifecycle. Primary Responsibilities: Architecting complex NiFi data pipeline design: Design and develop enterprise-level ETL architectures and implement NiFi data pipelines for large-scale data ingestion, transformation, and processing from diverse
More from the job description
Leidos has an exciting opportunity for a Principal 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! Job Description We have an IMMEDIATE NEED for an ETL developer to play a pivotal role in shaping, leading, 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 defining architectural best practices, optimizing performance in large-scale environments, and mentoring junior developers, ensuring the delivery of robust, scalable, and secure data flow solutions that drive critical customer needs. Based in a DevOps fr [... source excerpt omitted ...] tions. Collaboration and communication: Collaborate effectively with data architects, data engineers, application/service developers, and other stakeholders to translate business requirements into robust technical solutions and effectively communicate complex technical concepts to both technical and non-technical audiences. Mentorship and team leadership: Mentor junior developers, provide technical guidance, conduct code reviews, and foster a collaborative learning environment. Basic Qualifications: In-depth experience designing, developing, and managing complex NiFi data flow solutions in large-scale enterprise environments. In-depth knowledge of NiFi architecture, processors, [... source excerpt omitted ...] levant 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: In-depth experience deploying ETL solutions in an AWS environment. CABARESTON 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 b
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