Sr. Database Engineer

Job Overview Leidos has a new and exciting opportunity for a Sr. Database Engineer in our National Security Sector's (NSS) 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 Responsibilities Analyze system requirements to develop system architecture, design documentation, and technical specifications supporting large‑scale enterprise environments. Create system configuration documentation including capacity planning, performance modeling, risk assessments, and analysis of alternatives for complex system challenges. Provide database engineering leadership for large distributed systems, ensuring robust design, integration, and scalability across interconnected components. Collaborate across Agile teams including integration engineers, testers, IA engineers, and technical managers to support end‑to‑end system delivery. Design and administer databases ensuring normalized schemas, compliance with security standards, and alignment with industry best practices. Implement and maintain database environments including installations, upgrades, patching, object creation (tables, indexes, views, stored procedures), and performance tuning. Ensure system reliability by monitoring performance, resolving bottlenecks, validating backups, and documenting disaster recovery strategies. Support long‑term planning by forecasting future database needs, advising development teams, preparing progress reports, and contributing to program increment planning. Required Qualifications Bachelors of Science Degree in Computer Science or Engineering, or a related field with at least 10+ years of related experience or a Master's Degree with at least 8+ years of relevant experience. Will consider work experience in lieu of a degree. Active DoD Secret Clearance to be considered and be eligible to obtain up to a TS/SCI clearance in the future. Minimum of ten (10) years of experience in programs and contracts of similar scope, type, and complexity. Minimum of eight (8) years of professional experience as database administrator. Minimum of six (6) years of experience in developing database architectures. Experience with Oracle or PostgreSQL Internals. Hands on experience in relational database programming in relational database management systems including the development of functions / stored procedures / triggers / etc Experience with data modeling and performance tuning Experience in supporting development efforts in all phases of the development life cycle. Ability to work in a dynamic team environment and possess time management skills to meet schedules and participate in the Agile scrum. DoD 8570 approved security certification (i.e., Security +) (Will be required 90 days after hire). Desired Qualifications Knowledgeable in Agile Methodologies (e.g., Scrum, Lean), particular to the incorporation of security / IA into the lifecycle. Experience integrating security into a Continuous Integration Environment. Knowledgeable on various web services / service-oriented architectures Previous experience in Administration and Operations roles. EEO Statement All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr