> Markdown version of [/jobs/ext/1933833-4478-senior-data-engineer](https://www.wearedevelopers.com/jobs/ext/1933833-4478-senior-data-engineer). 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).

---

# 4478 Senior Data Engineer

- **Company:** Procession Systems
- **Location:** Arlington, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Business Analytics Applications, Data Analysis, Big Data, Extract Transform Load (ETL), Data Mart, Data Retrieval, Data Warehousing, Relational Databases, Distributed Systems, Elasticsearch, JSON, Python (Programming Language), PostgreSQL, Oracle (Applications), Ansible, Search Technologies, Software Systems, Vault (Revision Control System), Data Streaming, Data Processing, DevOps Tools - Open-source, Large Language Models, Apache Spark, Indexer, Amazon Relational Database Service, Data Lakes, Information Technology, AWS Glue, Apache Kafka, Data Management, Terraform, Jenkins, Databricks
- **Published:** August 5, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9076482/4478-senior-data-engineer

## About the Role

* Python
 * Relational database experience in Oracle or Postgres
 * Strong SQL & Data Concepts Knowledge
 * Hands-on experience with Elasticsearch/OpenSearch for search, indexing, data retrieval, or analytics solutions
 * Experience with Databricks for data processing, analytics, ETL workflows, or large-scale data engineering solutions
 * Bachelor's degree or higher (computer science background recommended but not required with suitable experience)
 * At least 10 years of relevant experience; however we are actively hiring across multiple experience levels, including more senior candidates.
 * Leveling and compensation will be determined based on years of experience, technical expertise, and overall qualifications
 * Experience working in government or high-security environments is a plus

DESIRED QUALIFICATIONS:

 * AWS (S3, RDS, EC2, Lamba, Step Function, EventBridge, OpenSearch/ElasticSearch)
 * JSON and JSON format mediation techniques
 * DevSecOps tools and techniques (Jenkins, Ansible, Terraform, Vault)
 * ETL Pipeline (Apache Spark, AWS Glue, Databricks), Streaming (i.e. Kafka), AI (LLMs, Semantic Search), Distributed Computing is a plus
 * Familiarity with data management and aggregation patterns such as data warehouse, data mart, data lake, delta lake, lakehouse, data mesh.

## Description

We are seeking a Senior Data Engineer to join our team. You'll be at the forefront of delivering data and software solutions that directly impact our clients' law enforcement mission. You'll work with dedicated team members and clients to solve technical problems and develop systems that keep our country safe and secure.

GENERAL DUTIES:

 * Gather requirements, design, implement, and test software and systems
 * Develop scalable, high-performance, and highly available applications and systems components
 * Communicate effectively with clients and collaborate with cross-functional teams
 * Respond to client requirements in tight timeframes


## Related Videos

- [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering)
- [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search)
- [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws)
- [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json)
- [Dynamic Entities in .NET: Building Low-Code Systems on Top of Entity Framework Core](https://www.wearedevelopers.com/videos/100218-dynamic-entities-in-net-building-low-code-systems-on-top-of-entity-framework-core)
- [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works)

## 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)
- [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)