Database Engineer / Oracle Database Administrator TS/SCI Polygraph

Company: Leidos
Location: Annapolis Junction
Posted on: April 1, 2026

Job Description:

Database Engineer / Oracle Database Administrator Leidos has a new and exciting opportunity for a Database Engineer / Oracle Database Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos , we offer competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary The selected individual 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. Primary Responsibilities The selected individual 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. Basic Qualifications Bachelor's Degree in a technical discipline and at least 10 years of database experience. Additional experience may be substituted for a degree. Must have demonstrated high-level, in-depth database experience. Must have in-depth 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 solid 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. Clearance Required: Must have TS/SCI with Polygraph up front (this is firm). Preferred Qualifications Experience with the Scaled Agile Framework (SAFe) methodology and/or as a member of an Agile team. Experience with Cassandra. Experience with MongoDB. At Leidos , the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today. careers.leidos.com/CONMD CSSKEY CONMD If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: February 5, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Keywords: Leidos, Harrisburg , Database Engineer / Oracle Database Administrator TS/SCI Polygraph, IT / Software / Systems , Annapolis Junction, Pennsylvania