> Markdown version of [/jobs/ext/3884687-data-engineer](https://www.wearedevelopers.com/jobs/ext/3884687-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:** Applied Information Sciences, Inc. - **Location:** United States - **Experience:** Expert - **Salary:** $110,000.0 - $166,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Business Analytics Applications, Big Data, Extract Transform Load (ETL), Data Systems, Relational Databases, JSON, Python (Programming Language), PostgreSQL, Linux System Administration, Oracle (Applications), Red Hat Enterprise Linux, Cloud Services, Ansible, Shell Script, Simple Object Access Protocol (SOAP), Vault (Revision Control System), SQL Databases, DevOps Tools - Open-source, Apache Spark, Backend, Amazon Relational Database Service, Information Technology, Deployment Automation, Data Analytics, Graphql, Functional Programming, Terraform, Data Pipelines, Devsecops, Jenkins, Microservices - **Published:** October 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9249283/data-engineer ## About the Role * TS/SCI clearance required * Bachelor's degree (Computer Science preferred, or equivalent experience) * 4-6 years of experience in Agile software development * Strong experience with: + Python and Java + High-volume ETL solutions + AWS services (S3, RDS, EC2, Lambda) + SQL and relational databases (PostgreSQL or Oracle) + Linux environments (RHEL preferred) and shell scripting + JSON data formats and mediation techniques + DevSecOps tools such as Jenkins, Ansible, Terraform, and Vault * Ability to work onsite in Crystal City, VA 2-4 days per week Nice to Have Skills * Experience supporting government or high-security environments * Familiarity with cloud-native data architectures * Strong written and verbal communication skills ## Description At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Senior Data Analytics Engineer. * Core Knowledge & Skills: Optimizes complex SQL; applies advanced data modeling; leads robust ETL/ELT; uses big data technologies (e.g., Spark); enforces governance; implements ML/predictive solutions; manages scalable pipelines. * Work & Complexity: Solves high-complexity integration and performance challenges; runs multiple projects; delivers custom analytics solutions and automation for scale. * Quality & Independence: Sets benchmarks for data quality; drives continuous improvement; makes significant technical decisions with minimal oversight. * Teamwork & Communication: Leads cross-functional work; mentors engineers; communicates complex insights to senior leaders; integrates multi-stakeholder feedback. * Consulting & Engagement: Provides strategic consultation, leads client interactions, and advances consulting best practices. As your initial project assignment, you will support the unique needs of our client as a Data Engineer. Project Summary The Data Engineer will design, build, and maintain scalable data solutions that enable analytics and mission-critical systems for law enforcement customers. This role focuses on developing high-volume data pipelines and backend services in a secure, cloud-based environment. Key Responsibilities * Collaborate with Agile teams to deliver data solutions in two-week sprints * Design, implement, test, and maintain data pipelines and backend services * Develop scalable, high-performance, and highly available ETL solutions * Support microservices integration using REST, SOAP, or GraphQL * Diagnose and resolve complex system and data issues * Work with customers and internal teams to refine data requirements * Support DevSecOps pipelines and automated deployments