Sr. Database Engineer

Sr. Database Engineer – National Security Sector

Leidos seeks a senior-level Database Engineer to support the National Security Sector's Cyber & Analytics Business Area. In this role, you will design, implement, and secure large‑scale distributed database systems that support national‑security missions.

• Analyze system requirements to develop system architecture, design documentation, and technical specifications for large‑scale enterprise environments.
• Create system configuration documentation including capacity planning, performance modeling, risk assessments, and analysis of alternatives.
• 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.

• Bachelor of Science 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 (work experience may be considered in lieu of a degree).
• Active DoD Secret Clearance required; eligible to obtain 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 a database administrator.
• Minimum of six (6) years of experience developing database architectures.
• Experience with Oracle or PostgreSQL internals.
• Hands‑on experience in relational database programming, including functions, stored procedures, triggers, etc.
• Experience with data modeling and performance tuning.
• Experience 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 Agile scrum.
• DoD 8570 approved security certification (e.g., Security+); required 90 days after hire.

• Knowledge of Agile Methodologies (Scrum, Lean) with security/IA integration.
• Experience integrating security into a Continuous Integration environment.
• Knowledge of web services / service‑oriented architectures.
• Previous experience in administration and operations roles.

Competitive compensation package includes paid time off, 11 paid holidays, 401K with a 6% company match and immediate vesting, flexible schedules, discounted stock purchase plans, technical up‑skilling, education and training support, parental paid leave, and more.

Commitment to Non-Discrimination

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.