Data Engineer

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to receive consideration for the following position.

The Sponsor’s office is architecting and creating a coherent secure data ecosystem that is compatible and synchronized with the overall Sponsor’s data strategy and broader mission capabilities. These solutions and capabilities include a platform to conduct enterprise search, digital forensics, and data analytics. The Sponsor fuses modern, data-centric tradecraft and capabilities with other components in pursuit of extracting maximum value from existing data.

• Demonstrated experience with Agile/Scrum development methodologies in a fast‑paced, collaborative team environment.
• Demonstrated experience working effectively in high‑performing, cross‑functional teams with multiple concurrent projects.
• Demonstrated experience working directly with stakeholders to gather requirements, understand needs, and translate them into technical solutions with minimal oversight.
• Demonstrated experience in self‑directed work with a strong ownership mentality and commitment to code quality, testing, and documentation.
• Demonstrated experience context‑switching between projects and systems as priorities demand.
• Data Engineering.
• Demonstrated experience building production data pipelines and ETL/ELT workflows at scale.
• Demonstrated experience with Apache Spark and PySpark for distributed data processing.
• Demonstrated experience with advanced Python programming skills including data manipulation libraries (Pandas, Num Py) and data engineering best practices.
• Demonstrated experience understanding data security, privacy, governance, and compliance principles.
• Demonstrated experience with workflow orchestration tools such as Step Functions and Airflow.
• Demonstrated experience with containerization such as Docker or Podman, and deploying data applications in cloud environments.
• Demonstrated experience with AWS services (in particular S3, Lambda, and Step Functions).
• Demonstrated experience with Postgre
  
  SQL and MySQL in production environments, including performance tuning and schema design.
• Demonstrated experience with SQL and query optimization for complex analytical workloads.
• Demonstrated experience with version control (Git) and CI/CD practices for data pipelines.
• Demonstrated experience working with stakeholders to understand data requirements, assess feasibility, and design appropriate solutions with minimal oversight.
• Demonstrated experience with strong problem‑solving and debugging skills for data quality issues, pipeline failures, and performance bottlenecks.

• Data Engineering.
• Demonstrated experience with data lakehouse architectures using Apache Iceberg.
• Demonstrated experience configuring, deploying, and integrating data platform components:
  Apache Ranger, Trino, data catalogs, and Apache Superset.
• Demonstrated experience with Bash scripting for automation and data processing tasks.
• Demonstrated experience with Infrastructure as Code (Terraform or Cloud Formation) for data infrastructure.
• Demonstrated experience with tracking data lineage and associated tooling such as Open Lineage.
• Demonstrated experience with Java.
• Demonstrated experience with data quality frameworks, testing methodologies, and validation strategies.
• Demonstrated experience or background with large‑scale data migrations or platform modernization efforts.
• Demonstrated experience integrating AI/ML services and models (translation, OCR, speech‑to‑text, NLP, language detection, topic modeling), LLMs, and RAG pipelines.
• Demonstrated experience with geospatial data processing (H3, PostGIS, or similar).
• Demonstrated experience contributing to data engineering documentation, best practices, or design patterns.
• Demonstrated experience with No
  
  SQL databases (Dynamo
  
  DB, etc.).
• Demonstrated experience with excellent written and…