> Markdown version of [/jobs/ext/3128959-senior-data-engineer](https://www.wearedevelopers.com/jobs/ext/3128959-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). --- # Senior Data Engineer - **Company:** Smart Synergies - **Location:** Springfield, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Information Systems, Continuous Integration, Python (Programming Language), Operational Databases, SQL Databases, Enterprise Data Management, SC Clearance, Information Technology, Software Version Control, Data Pipelines - **Published:** September 28, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9196877/senior-data-engineer ## About the Role * Bachelor's degree in computer science, engineering, information systems, data science, or a related field, or equivalent practical experience. * Eight or more years of experience building production data systems. * Strong proficiency with Python, SQL, and modern data-engineering patterns. * Experience designing data pipelines and products on enterprise data platforms. * Experience with data modeling, ontology, data quality, and lineage. * Strong software-engineering fundamentals, including testing, source control, CI/CD, and monitoring. * Experience supporting a Department of Defense customer. * Active Secret clearance. ## Description Our client is seeking a Senior Data Engineer to build authoritative data products supporting Army acquisition and program operations. This engineer will own data pipelines, models, and ontology. Responsibilities * Own the architecture and implementation of scalable data pipelines and data products. * Integrate and transform data from multiple Army and enterprise sources. * Develop data models and ontology that support applications, reporting, and analysis. * Design for data quality, lineage, security, observability, and long-term maintainability. * Establish engineering standards for testing, source control, deployment, and operations. * Partner with software engineers, product designers, and customer stakeholders. * Review technical designs, mentor engineers, and resolve complex data challenges. ## Related Videos - [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) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) - [Implementing continuous delivery in a data processing pipeline](https://www.wearedevelopers.com/videos/73-implementing-continuous-delivery-in-a-data-processing-pipeline) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1520-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## 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) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)