> Markdown version of [/jobs/ext/4543274-database-developer](https://www.wearedevelopers.com/jobs/ext/4543274-database-developer). 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). --- # Database Developer - **Company:** ECS Limited - **Location:** O'Fallon, IL, United States - **Experience:** Expert - **Salary:** $90,000.0 - $110,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Software Applications, JIRA, Big Data, Databases, Database Development, Issue Tracking Systems, Operational Databases, Oracle (Applications), Openapi, Gitlab, Git, Amazon Relational Database Service, Api Design, Servicenow - **Published:** November 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9285159/database-developer ## About the Role The source material did not specify technologies or credentials, so fill in the bracketed items for your program. * 5+ years of relevant experience in database development and/or administration * Bachelors degree in IT or equivalent experience * Experience writing and maintaining reusable scripts and procedures in Oracle * Working knowledge of STIG compliance and PII protection requirements * Experience with patch testing, packaging, and deployment * Active Secret security clearance * Relevant certifications: Security+, * Experience supporting globally distributed production databases * Experience supporting training or test environments that mirror production * Strong troubleshooting skills and the ability to resolve issues quickly under operational pressure * Experience in an Agile development environment * Oracle RDS, Jira, Git, GitLab, Service Now * Experience creating and maintaining large data snapshots * Experience with Oracle GoldenGate * Experience with API Specifications and API development ## Description The Database Developer supports and sustains an operational database environment used by a worldwide user base. The role covers database support, SQL development, Trouble Ticket analysis, patch preparation, performance analysis, and secure, compliant operations across production, training, testing and development environments supporting a suite of mission critical software applications ., * Provide Level 2 and Level 3 database support, resolving issues quickly to minimize impact on the global user base. * Develop and test operational patches for deployment to live databases around the world. * Capture all database actions in procedures and scripts so they can be reused to sustain the operational database. Analyze both performance and database structure. * Monitor compliance with Security Technical Implementation Guides (STIGs) and all requirements for protecting Personally Identifiable Information (PII). * Support the Continuous Learning Environment by monitoring performance, loading relevant data for training scenarios, and performing other support functions. * Help ensure the training environment accurately simulates the production environment. * Work with the database team and other stakeholders to support a worldwide user base.