> Markdown version of [/jobs/ext/4695264-database-engineer-level-3](https://www.wearedevelopers.com/jobs/ext/4695264-database-engineer-level-3). 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 Engineer Level 3 - **Company:** Markon Solutions - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $172,000 - **Contract:** Permanent contract - **Skills:** Bash Shell, Command-Line Interface, Information Systems, Databases, System Configuration, Database Security, Oracle Data Guard, Linux, Disaster Recovery, Document-Oriented Databases, Linux System Administration, MongoDB, NoSQL, Oracle Databases, Performance Tuning, Systems Development Life Cycle, Service Pack, Oracle Enterprise Manager, Information Technology, Multiplatform - **Published:** November 12, 2026 - **Apply:** https://www.careerbuilder.com/job-details/database-engineer-level-3-fort-george-g-meade-md--a30a9354-cbe6-4cbf-8835-4911f986c862 ## About the Role Database Programming, Performance Tuning/Optimization, Database Architecture, Database Programming, Scalable System Development, Multiplatform/Cross-Platform, Operational Support, Oracle Database, Software Patches, Oracle Enterprise Manager, * Active TS/SCI w/ Polygraph with this Customer. * Bachelor's degree in Computer Science, Information Systems, Engineering, or a related technical discipline and 10+ years of relevant experience. * Extensive experience installing, configuring, patching, and sustaining Oracle Database environments. * Experience with Oracle Enterprise Manager and Oracle Data Guard. * Strong Linux administration and command-line experience. * Experience developing Bash scripts for database administration and automation. * Experience troubleshooting database availability, performance, backup, and recovery issues. Desired Qualifications * Experience with MongoDB or other NoSQL database platforms. * Oracle database certification. * Experience supporting highly available databases in secure enterprise environments. ## Description Markon is seeking a Database Engineer to support the Fort Meade customer by designing, optimizing, and maintaining secure, high-performance database environments supporting mission operations. This role develops scalable database architectures, automates administration, optimizes performance, and ensures the integrity, availability, and security of mission-critical data across enterprise platforms., * Engineer, install, configure, and sustain enterprise Oracle database environments. * Plan and execute database patches, upgrades, migrations, and lifecycle maintenance. * Administer Oracle Enterprise Manager for monitoring, alerting, and operational management. * Implement and maintain Oracle Data Guard for availability and disaster recovery. * Develop Bash scripts to automate database administration and recurring maintenance tasks * Monitor database health, capacity, performance, and storage utilization. * Troubleshoot complex database, Linux, connectivity, backup, and recovery issues. * Implement database security controls, hardening standards, and access-management practices. * Document database architectures, configurations, procedures, and recovery plans. * Provide senior technical guidance to application, infrastructure, and operations teams.