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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Engineer - **Company:** E-INFOSOL LLC - **Location:** Vienna, VA, United States - **Experience:** Expert - **Salary:** $155,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** LanceDB, .NET Framework, Artificial Intelligence, Amazon Web Services, Business Analytics Applications, Computer Vision, Automated Storage and Retrieval Systems, Business Process Modeling, C Sharp (Programming Language), Cloud Computing, Software Code Optimization, Cyber Security, Databases, Data as a Services, Data Architecture, Information Engineering, Extract Transform Load (ETL), Data Security, Data Systems, Data Warehousing, Relational Databases, Database Design, Distributed Systems, Elasticsearch, Middleware, Python (Programming Language), PostgreSQL, Microsoft Software, Microsoft SQL Server, MySQL, Named Entity Recognition, Open Source Technology, Parsing, Performance Tuning, RabbitMQ, Redis, Broadcom, Software Engineering, SQL Databases, TypeScript, Unstructured Data, Virtualization Technology, Data Processing, High Performance Computing, ReactJS, Backend, Fastapi, Data Layers, AngularJS, Semi-structured Data, Kubernetes, Information Technology, Data Lineage, Structured Output Generation, Celery, Data Pipelines, OpenSearch, Cisco, Docker, Programming Languages - **Published:** October 18, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=37c080315c58864a ## About the Role E-INFOSOL LLC is seeking a motivated and results-driven Data Engineer with 8 years of relevant professional experience in the cleared IT government contracting space to join our growing team., * Active Top-Secret clearance with capability to obtain SCI/CI Poly if needed to meet contract requirements. * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related technical discipline (or equivalent experience). * Minimum 8 years of relevant professional experience in data engineering, database design, or related fields., * Strong skills in relational database design, SQL, and ETL/ELT processing. * Experience working with structured and semi-structured data and visualization technologies. * Familiarity with high-performance computing and mixed-technology environments. * Strong analytical, communication, and collaboration skills. * Experience improving data workflows, performance, and security., * Experience supporting federal or secure, multi-enclave environments. * Background with advanced visualization platforms or high-volume data processing. * Knowledge of data modeling, warehousing, and performance tuning. Desired Skills * In-house custom developed application * Advanced AI, GenAI & Multi-Model Engineering * Multi-model and multi-modality orchestration (reasoning, perception, memory, tool execution) * Temporal, spatial, geographic, quantitative, and computer vision AI implementation * Named Entity Recognition (NER), contextual entity extraction, and resolution * Multi-step retrieval and structured output generation * Complex data parsing and streamlined ingestion * Deep source citation and traceable analytic outputs ## Description The Data Engineer will support advanced visual analytic applications by building data pipelines, designing large relational databases, and enabling high-performance analysis across structured and semi-structured data. This role helps streamline processes, improve system performance, and strengthen secure data practices while mentoring junior team members and contributing to cross-team standards. * Develop data processing workflows and analytics for desktop and web-based visual analytic tools. * Support large-scale relational data analysis using visualization and high-performance computing. * Build secure data ingest pipelines using open-source, COTS, and GOTS technologies. * Design and optimize enterprise relational databases and establish standards for operations and security. * Integrate new data systems with existing data warehouses and improve performance and functionality. * Provide mentorship and contribute to system optimization and secure posture improvements., * Vector, graph, and multi database orchestration * Automated ETL pipeline creation, scheduling, and optimization * Attribute Based Access Control (ABAC) at the data layer * Provenance and end to end data lineage tracking * Schema aligned ingestion and normalization of diverse structured and unstructured data * Enterprise Infrastructure & CrossDomain Solutions * Air gapped, hybrid, and on premise operational environments * Container orchestration and distributed systems management (Kubernetes) * Locally hosted GPU servers and hyperconverged nodes * Multitenant CrossDomain Solutions (CDS) * Application Development & Integration * UI, backend, and middleware engineering (TypeScript, React, Python, FastAPI, LanceDB, lance graph, PostgreSQL, Temporal.io, Docker, Kubernetes) * Integration of reasoning components, retrieval systems, databases, and AI / GenAI services * Use of modern programming languages and frameworks * Angular * .NET C# * Database (MySQL) * Elasticsearch / OpenSearch * Integration of reasoning components, retrieval systems, databases, and AI / GenAI services * ETL * Python * RabbitMQ * Celery * Redis / Valkey * Databases (MySQL, Postgres, Microsoft SQL) * Elasticsearch / OpenSearch * Complex data parsing and streamlined ingestion * Provenance and end-to-end data lineage tracking * Schema-aligned ingestion and normalization of diverse structured and unstructured data * Integration of reasoning components, retrieval systems, databases, and AI / GenAI services About E-INFOSOL E-INFOSOL is a Service Disabled and Veteran Owned Small Business (SDVOSB) located in the Washington, D.C. metropolitan area. We specialize in building modern and tailored solutions to support our customers' mission. As a mission-first organization, we deliver Subject Matter Expertise (SME) in cloud computing, virtualization, cyber security, software development and data services. We support the Intelligence Community, Department of Defense, Federal Law Enforcement, Civilian Agencies and the Private Sector. Through strategic partnerships with top industry players such as Amazon Web Services (AWS), Broadcom, Microsoft and Cisco, E-INFOSOL provide an array of IT products and solutions. Combined with our industry expertise, we deliver in-depth knowledge on Government requirements and fully understand NIST and DoD security requirements. Our expertise in the latest technologies combined with our understanding of infrastructure needs and security requirements provides the best combination for achieving innovative and secure environments for Government Agencies and Private Sector. Career Growth "Putting People First, Achieving our Mission Together". E-INFOSOL is a people-first organization focusing on a positive employee culture that inspires creativity and innovation in support of our customers. With opportunities such as reimbursement and bonuses based on completion of certifications, we invest in our employees' career growth.