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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Database Engineer - **Company:** 22nd Century Technologies, Inc. - **Location:** Richardson, TX, United States - **Experience:** Expert - **Contract:** Temporary to permanent - **Skills:** Systems Engineering, Confluence, JIRA, Bash Shell, Databases, Data Architecture, Relational Databases, Database Queries, Database Security, Database Storage Structures, Disaster Recovery, Amazon DynamoDB, Python (Programming Language), PostgreSQL, Linux Commands, MongoDB, NoSQL, Oracle (Applications), Oracle SQL Developer, PostGIS, Scrum Methodology, Software Engineering, PL-SQL, SQL Databases, Database Performance, Backend, Git, Oracle Designer, Amazon Relational Database Service, AWS Aurora, Deployment Automation, Physical Data Models, Software Version Control - **Published:** September 7, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8728830/database-engineer ## About the Role * Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of Database Engineering experience. * Five (5) years of experience performing relational data modeling with Oracle and PostgreSQL Relational Database Management Systems (RDBMS). * Eight (8) years of experience with Oracle SQL and PL/SQL and PostgreSQL SQL and pl/pgsql skills. * Experience with bash scripting and python. * Experience working with Systems and Software Engineers to design, implement, and modify backend databases to interact with applications. * Experience and strong Linux command line skills to perform database administration activities, deployment automation. * Active and transferable TS/SCI CI Poly prior to start date. * U.S. Citizenship is required as only U.S. Citizens are eligible for a clearance. Qualifications We Prefer: * Existing Security+ Certification (or higher). * Experience using AWS RDS for Oracle and AWS Aurora PostgreSQL database services. * Experience with NoSQL database products such as MongoDB and DynamoDB. * Data architecture experience for critical design decisions (such as the suitability of a product/technology for a given use case). * Experience troubleshooting database issues such as Disaster Recovery, replication & backups and other related issues. * Experience troubleshooting database performance issues. * Strong SQL tuning experience in Oracle and PostgreSQL. * Experience with database security controls and audit & compliance requirements. * Experience virtualizing or containerizing databases. * Experience with automating routine tasks. * Experience using Oracle Spatial and/or PostgreSQL PostGIS. * Experience using git source control. * Experience using Atlassian Jira and Confluence. ## Description * Client is hiring a Principal Data Modeler and Database Engineer to support our teams in Richardson TX. * You will have the opportunity to directly impact the world around you and contribute to classified programs and technologies you are passionate about. * In this position you would be familiar with designing, creating, updating, and managing databases and high-performance data models. What You Will Do: * Identify and understand customer needs and apply sound, demonstrable understanding of database principles, theories, and concepts related to software engineering to translate those needs to viable design solutions. * Translate needs and design requirements into physical data models. * Analyze business requirements, RFCs, and technical specifications to identify data modeling impacts and design needs. * Collaborate with systems engineers, product owners, architects, and stakeholders to gather and validate data requirements. * Design new database structures (tables, indexes, constraints, views) and modify existing models to accommodate program needs. * Author and implement database data model changes (DDL) using database change control automation. * Work with developers on best practices for interacting with databases, writing, and maintaining SQL statements. * Utilize data modeling tools such as Oracle SQL Developer Data Modeler, Oracle Designer, and others. * Demonstrate critical thinking skills with the ability to communicate concepts and ideas clearly. * Use proven problem solving and analytical skills. * Work in an Agile/Scrum environment. * Obtain Security+ certification within 60 days of start. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [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 - [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) - [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) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)