> Markdown version of [/jobs/ext/1298575-senior-java-data-engineer-325k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/1298575-senior-java-data-engineer-325k-yr-ts-sci-fs-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Java Data Engineer [$325k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $325,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Big Data, Software Quality, Databases, Data Cleansing, Data Mining, Data Stores, Elasticsearch, Apache Hadoop, MapReduce, JSON, Python (Programming Language), PostgreSQL, Machine Learning, Scala (Programming Language), Software Engineering, SQL Databases, Unstructured Data, Extensible Markup Language (XML), Data Ingestion, Apache Spark, Apache Nifi
- **Published:** July 16, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9034196/senior-java-data-engineer-325kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 20+ years
 * Total Compensation: $325k+ yearly

## Description

* Extract meaning and value from structured and unstructured data using statistical methods and machine learning.
 * Analyze and develop requirements for data characterization and ingestion.
 * Lead multiple software development teams and ensure software quality.
 * Develop data queries for existing or proposed databases.
 * Leverage expertise in Java, NiFi, Python, Scala, Pig, Map Reduce, Apache Spark, Hadoop, SQL, PostgreSQL, and Elasticsearch., * Devise strategies to extract meaning and value from structured and unstructured data using statistical methods and machine learning.
 * Develop new methodologies and techniques for automated data characterization and analyze requirements for data ingestion.
 * Serve as a technical lead for multiple software development teams, recommending new technologies and ensuring quality control.
 * Develop and optimize data queries for various databases and data repositories.
 * Collaborate with teams to understand mission needs and define software development processes.
 * Utilize expertise in Java, Python, Scala, NiFi, SQL, PostgreSQL, and Elasticsearch.
 * Apply knowledge of big data processing frameworks including Pig, MapReduce, Apache Spark, and Hadoop.
 * Work with data enrichment/conversion methods, ontologies/schemas, and structured data types (XML, CSV, JSON).
 * Experience with predictive analytics, machine learning, data mining, and network metadata analysis.
 * Active TS/SCI with Polygraph clearance is required.


## Related Videos

- [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology)
- [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside)
- [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json)
- [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases)
- [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure)
- [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)
- [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)