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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Database Engineer/Oracle DBA - **Company:** Open Systems Inc. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Backup Devices, Bash Shell, Complex Networks, Databases, System Configuration, Data Migration, Data Security, Database Design, Database Storage Structures, Computer Data Storage, Distributed Data Store, Perl (Programming Language), Python (Programming Language), PostgreSQL, MongoDB, Network Planning and Design, NoSQL, Oracle Databases, Oracle (Applications), Oracle SQL Developer, Performance Tuning, Scaled Agile Framework, Shell Script, Software Requirements Analysis, PL-SQL, SQL Databases, Data Streaming, Systems Architecture, Systems Integration, Scripting, Macros, System Availability, Cassandra, Database Replication, User Administration, Programming Languages - **Published:** September 18, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9171064/database-engineeroracle-dba ## About the Role * Clearance: TS/SCI w FS Poly. Poly must be in the last 5 years. * Must have experience as a Database Administrator to include proficiency in tasks such as data migration, data replication, user administration, backup and recovery, performance tuning, issue investigation, issue resolution, and general administration. * Must have a good understanding of databases, primarily Oracle and/or other relational and non-relational/NoSQL databases such as PostgreSQL and MongoDB. * Must have experience using Oracle SQL/PLSQL, and SQL in general. * Must have experience scripting with JavaScript, Bash/Linux shell scripting (in general), Perl, and/or Python. * Must have knowledge of programming languages to include Java. * Must be committed to adopting and adhering to best practices. * Must be able to effectively plan and prioritize tasking. * Must be capable of performing high quality work both independently, and with a team, in a fast-moving environment. Preferred Skills: * Bachelor's Degree in a technical discipline. * At least 10 years of high-level, in-depth database experience. * Experience with the Scaled Agile Framework (SAFe) methodology and/or as a member of an Agile team. * Experience with Cassandra. * Experience with MongoDB. ## Description Open Systems Technologies Corporation is looking for a ?Database Engineer/Oracle Database Administrator to join a high performing team providing support to the Intelligence Community. The selected candidate will support a complex system with exacting interface, performance, and security requirements, and will provide database engineering expertise in one or more of the following areas: architecture, design, development, requirements analysis, data flow, network design/implementation, testing, and documentation. She/he will analyze user requirements and system requirements specifications and will develop system architecture and system design documentation. She/he will support the development of system configuration documentation, including designs for capacity and performance planning. The selected individual will perform database engineering activities to include risk assessments and analyses of alternatives for a variety of system related issues and concerns. She/he will provide solutions to challenging technical problems in distributed data replication, concurrent data access, and high availability. Responsibilities The selected candidate will provide guidance and support for database engineering of large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. She/he will interface with technical managers, system and software integration engineers, test engineers, information assurance engineers, and other project team members in an Agile environment. The selected candidate will be responsible for implementing database engineering practices to ensure the proper degree of engineering rigor is applied to all assigned tasks. She/he will be responsible for communicating with and effectively collaborating with internal technical professionals on a day-to-day basis, and with POCs from customer organizations when necessary. The selected individual will actively participate in Program Increment Planning and related Agile team activities. Assigned duties may include: * Supporting database design, development, implementation, information storage and retrieval, data flow, and analysis activities. * Supporting the analysis and evaluation of system improvements, optimization, development, and/or maintenance efforts. * Supporting the development of long-term and short-term requirements for database administration and design. * Assisting in developing databases, database parser software, and database loading software. * Translating requirements and data into usable database schemas by creating or recreating ad hoc queries, scripts and macros, making updates to existing queries, and creating new queries to manipulate data into a master file. * Assisting in the development of database structures that fit into the overall architecture of the system under development. * Developing requirement recommendations from a project's inception to its conclusion for a particular Business and IT subject matter area (i.e. simple to complex systems). * Developing database structures that fit into the overall architecture of the system under development. * If not located at the MD location, some short-duration travel may be required to support quarterly PI Planning sessions in MD. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [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) - [Crafting Custom Frameworks with Rust: A Deep Dive into Procedural Macros](https://www.wearedevelopers.com/videos/849-crafting-custom-frameworks-with-rust-a-deep-dive-into-procedural-macros) - [Database Magic behind 40 Million operations/s](https://www.wearedevelopers.com/videos/748-database-magic-behind-40-million-operations-s) - [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) - [Modularity: Let's dig deeper](https://www.wearedevelopers.com/videos/1200-modularity-let-s-dig-deeper) ## Related Articles - [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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)