> Markdown version of [/jobs/ext/2609206-data-engineer](https://www.wearedevelopers.com/jobs/ext/2609206-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). --- # Data Engineer - **Company:** Mantech International Corporation - **Location:** Herndon, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Elastic Compute Cloud, Amazon S3, Bash Shell, Command-Line Interface, Information Engineering, Extract Transform Load (ETL), Data Transformation, Data Systems, Software Debugging, Linux, Elasticsearch, Information Systems Security Architecture Professional, JSON, Python (Programming Language), Parsing, Software Engineering, Extensible Markup Language (XML), Semi-structured Data, Information Technology, Functional Programming, Kibana, Restful APIs, Cyber Warfare, Software Version Control, Data Pipelines - **Published:** August 2, 2026 - **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-A390FD102347CC0143/ ## About the Role * High School Diploma and 5+ years' experience with software development in Python * Experience with data engineering * Experience building and maintaining data pipelines, ETL processes, and ingestion workflows * Experience with Git/GitHub or similar version control systems * Experience with common data formats such as JSON, XML, CSV, and other structured or semi-structured data * Experience working with Bash, Linux, and command-line tools in a development or production environment, * Bachelor's degree in computer science or similar technical field * Experience with Elasticsearch and Kibana * Experience with AWS services such as Lambda, EC2, and S3 * Experience with data analytics and visualization tools * Knowledge of cyber operations * Certified Information Systems Security Professional (CISSP certification) Clearance Requirements: An active/current TS/SCI with Polygraph is required Physical Requirements: Must be able to remain in a stationary position 50% of the time Location Herndon, VA, United States of America ## Description * Design, build, optimize, and maintain resilient data pipelines using Python, with a focus on data collection, ingestion, ETL, and analytics * Develop and support complex data solutions, including data transformation, validation, and quality controls * Integrate data from a variety of internal and external sources, including REST APIs, flat files, and structured/semi-structured formats * Ensure data is available, accessible, reliable, and securely handled to meet stakeholder and operational needs * Test, troubleshoot, and validate data movement, parsing, and transformation code across development and production environments * Provide platform and production support, including debugging, root cause analysis, issue resolution, and ongoing maintenance * Collaborate with cross-functional teams to deliver data products and help end users understand and effectively use analytics environments ## 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) - [Debug a Kubernetes Operator](https://www.wearedevelopers.com/videos/487-debug-a-kubernetes-operator) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Add Location-based Searching to Site with ElasticSearch](https://www.wearedevelopers.com/videos/77-add-location-based-searching-to-site-with-elasticsearch) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [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) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)