Sr. Database Administrator

The Senior Database Administrator role requires a candidate with over 10 years of experience in database development, data migration, modernization, data virtualization, and operations & maintenance (O&M) administration support. The role includes architecting, optimizing, and maintaining enterprise database environments while leading data migration initiatives and engaging directly with end users and stakeholders to ensure effective data solutions. This role requires strong technical leadership, deep domain expertise, and experience delivering reliable, scalable, secure data platforms. NOTE: This role is contingent on the contract being awarded. Primary Responsibilities:

• Design, implement, and optimize enterprise-grade databases across relational and cloud environments.
• Lead database modernization initiatives, including platform upgrades, schema redesign, data virtualization, and migration to newer technologies.
• Establish and enforce database development standards, performance optimization strategies, and data governance best practices.
• Lead large-scale data migration projects involving legacy-to-modern platforms, cloud migrations, cross-database transfers, and multi-environment synchronization.
• Develop migration plans, ETL pipelines, scripts, and automated workflows ensuring accuracy, integrity, and minimal downtime.
• Conduct pre-migration assessments, risk analysis, and post-migration validation.
• Oversee day-to-day database O&M activities including performance tuning, patching, monitoring, capacity planning, and backup/restore procedures.
• Ensure high availability, disaster recovery readiness, and optimal uptime for mission-critical systems.
• Enforce database security policies including identity management, access controls, encryption, and auditing practices.
• All other duties as assigned by management.

• Bachelor’s degree in computer science or a technical field
• 10+ years in computer science and database development, modernization, and data virtualization
• Experience performing data migrations from legacy data stores on-premise to AWS GovCloud
• Experience with cloud-based architecture, preferably AWS data services (RDS, Aurora, DynamoDB, Redshift, Glue, DMS) and AWS Data Analytics.
• Strong scripting capabilities (Python, PowerShell, Bash) for automation and migration tasks.
• Excellent communication and management skills.

Certifications Preferred:

• AWS Data Analytics
• IBM Data Architect
• CompTIA DataSys+

Security Clearance Requirements:

• Must be a U.S. Citizen
• Must be have an active DoD Secret clearance.

Who We Are: Oasys International LLC (Oasys) is a fast-growing federal government contractor delivering high-quality technology consulting and professional services to civilian, defense, and homeland security agencies. We have been recognized on Inc. 5000’s list of the fastest-growing companies in America for five consecutive years and named a Best Places to Work in Virginia for the past two years. Our success is driven by a talented team of technologists, consultants, engineers, and subject-matter experts who support complex federal missions with integrity and excellence. At Oasys, we foster a collaborative, merit-based culture that values continuous learning, professional growth, and work-life balance. We are committed to creating an inclusive, engaging environment where employees are recognized for their contributions and empowered to build meaningful, long-term careers.