Senior Database Domain Engineer Leidos Chief Information Office, reporting through our Digital Modernization Sector, is seeking a Senior Database Domain Engineer specializing in relational databases to join our IT organization. This role requires deep expertise across enterprise relational database platforms including Microsoft SQL Server, Oracle Database, and PostgreSQL. You will serve as a technical leader, architect, and mentor responsible for designing robust database solutions, collaborating with system owners to define and execute platform roadmaps, and training DBA teams to ensure long-term success. This position bridges technical depth with collaboration, ensuring our database platforms remain secure, scalable, and aligned with business needs. Location: Full‑time remote work from any U.S. based location. Citizenship: U.S. Citizenship is required. What will you do in this role? You will be a trusted expert guiding the future of our enterprise relational database platforms. This role blends deep technical mastery across multiple relational database systems (SQL Server, Oracle, PostgreSQL) with leadership in road mapping, mentoring, and collaboration. You'll partner with system owners to shape long‑term strategies, ensure our platforms are secure and scalable, and empower DBA teams through training and knowledge sharing. Primary Responsibilities Contribute to and influence the DBaaS team's strategic vision and technology direction Design and develop enterprise‑grade database architecture solutions for optimal performance, scalability, and security across multiple relational database platforms Research and evaluate emerging database technologies, recommending adoption for strategic advantage Translate architecture plans into action by developing and implementing innovative database solutions Build strong partnerships with operations teams for seamless implementation and maintenance Collaborate with senior engineers and architects to refine and execute the database architecture roadmap Work closely with system owners and business leaders to define, maintain, and execute a comprehensive technology roadmap for all database platforms, aligned with business needs and industry best practices Conduct in‑depth analysis of existing database infrastructure, identifying opportunities for optimization, consolidation, and improvement Develop and implement data governance, security, and compliance best practices across all platforms Establish and maintain database standards, policies, and procedures across the organization Lead database capacity planning and performance benchmarking initiatives Drive database high availability and disaster recovery strategies Troubleshoot and resolve complex, enterprise‑level database issues, ensuring minimal downtime and data loss Document architecture decisions, procedures, and standards for future reference and knowledge transfer Mentor and guide the DBA team, fostering a collaborative and learning‑focused environment Provide technical leadership during incident resolution and change management processes Basic Qualifications Bachelor's degree in Computer Science, Information Systems, or related field with 12–14 years of experience in Database Engineering, Software Development, or Systems Engineering (or Master’s Degree with 10–12 years of experience) U.S. Citizen Deep technical expertise across multiple relational database platforms: Microsoft SQL Server, Oracle Database, and PostgreSQL Expert‑level proficiency in SQL, including complex query optimization, stored procedures, functions, and triggers Strong knowledge of database internals, query execution plans, and performance tuning methodologies Demonstrated experience in roadmapping database platforms with system owners and business leaders Proven ability to design and implement database solutions for high availability, disaster recovery, and business continuity Strong understanding of database security principles, encryption, access control, and audit compliance requirements Expertise in backup & recovery strategies, including point‑in‑time recovery and validation testing Experience with database replication technologies (physical, logical, streaming replication) Ability to configure, troubleshoot, and optimize both physical and logical replication setups across different platforms Proficiency in Shell scripting (Bash) and PowerShell for automation and operational tasks Proven track record collaborating with cross‑functional technical teams for development, maintenance, testing, implementation, and support of enterprise database technologies Advanced troubleshooting and problem‑solving skills with the ability to drive complex issues to root cause and resolution Experience with database patching, upgrades, and migration strategies Knowledge of data modeling, normalization, and database design principles Understanding of ETL processes and data integration patterns Effective trainer and mentor, with proven experience developing technical documentation and training materials Excellent written and verbal communication skills to promote database engineering best practices and collaborate with stakeholders at all levels Ability to plan and coordinate large technical and architectural efforts within the database team and across external teams Strong organizational skills with ability to manage multiple priorities and projects simultaneously Proficiency with project tracking and documentation tools such as Jira and Confluence Preferred Qualifications At least 2+ years of DevOps experience, including automation and CI/CD integration for database environments Experience with Scaled Agile Framework (SAFe) practices and methodologies Hands‑on experience with Splunk or similar monitoring, logging, and analytics tools for database observability Proficiency with Power BI or similar business intelligence and reporting tools Experience with Ansible or other configuration management and automation frameworks Database certifications (Microsoft MCSE, Oracle OCP/OCM, PostgreSQL certifications) Familiarity with cloud database platforms (Azure SQL Database, Oracle Cloud, AWS RDS/Aurora, Google Cloud SQL) Experience with Oracle Cloud Infrastructure (OCI), Oracle APEX, and Oracle GoldenGate Knowledge of database clustering technologies (Oracle RAC, SQL Server Always On, PostgreSQL Patroni/Stolon) Experience with containerization platforms (Kubernetes, Docker) and database deployment in containerized environments Background in data warehousing, data lakes, and analytics platforms (Snowflake, Collibra, Databricks) Exposure to infrastructure‑as‑code tools (Terraform, CloudFormation, Ansible) Familiarity with virtualization technologies (Hyper‑V, VMware vSphere/ESXi) Knowledge of infrastructure components and enterprise architecture patterns Experience with NoSQL databases (MongoDB, Cassandra, Redis) for hybrid data architecture scenarios Understanding of database‑as‑code and version control practices for database objects Experience with database performance monitoring tools (SolarWinds DPA, Quest Spotlight, pgBadger) Experience with systems engineering practices and methodologies Benefits Pay Range: $131,300.00 – $237,350.00. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave, and Retirement. 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. #J-18808-Ljbffr