Senior Database Administrator

Senior Database Administrator
We are seeking a highly experienced Senior Database Administrator to lead the administration performance reliability and evolution of our enterprise database platforms across on-premises cloud and hybrid environments.

This is a mission-critical role requiring deep technical expertise operational ownership and the ability to work independently while collaborating closely with our Managed Service Provider (MSP) and internal development teams. The successful candidate will serve as the primary internal database authority supporting business-critical applications.

Environment Overview:

• On-Premises Cloud and Hybrid infrastructure
• Development Test Staging and Production environments
• Databases ranging from 400GB to 1TB depending on supported applications
• Kubernetes (K8s) practices utilized for application deployment
• CI/CD-driven release processes
• 24/7 on-call support shared with Managed Service Provider
• Security aligned with cybersecurity best practices

Essential Functions & Responsibilities:

Enterprise Database Administration

• Administers and provides support for Oracle database Microsoft SQL Server (MSSQL) and database management system (Informix)
• Manages installations upgrades patching migrations and lifecycle management across all environments
• Supports database integration within CI/CD deployment pipelines
• Coordinates database changes aligned with Kubernetes-based application deployments

Development Collaboration & Schema Design

• Partners closely with application development teams to design and enhance database schemas
• Reviews and optimizes data models to align with industry best practices and performance standards
• Provides guidance on indexing strategies normalization/denormalization approaches and query optimization
• Supports database design reviews during application development lifecycle
• Ensures schema changes are properly versioned and aligned with CI/CD processes
• Promotes scalable maintainable and secure database architecture standards

High Availability & Disaster Recovery

• Designs implements and maintains high-availability configurations
• Manages backup restore and disaster recovery strategies
• Performs routine recovery validation testing
• Supports failover and business continuity planning

Performance & Optimization

• Conducts advanced performance tuning and optimization
• Analyzes execution plans indexing strategies and workload performance
• Proactively monitors capacity and scalability requirements
• Optimizes databases supporting large-scale (400GB1TB) workloads

Security & Safety

• Implements database security hardening standards
• Manages user roles access controls and permissions
• Supports patching and vulnerability remediation
• Ensures encryption and secure configuration alignment with cybersecurity policies
• Prioritizes health and safety by adhering to policies processes and maintaining safe practices at all times

MSP Collaboration & Operational Leadership

• Serves as the primary internal liaison to the Managed Service Provider
• Coordinates escalations patch cycles and infrastructure-level changes
• Validates technical recommendations and ensures SLA adherence
• Provides oversight and technical direction for database initiatives

Automation & Process Improvement

• Develops and maintains automation scripts (PowerShell shell scripting or similar)
• Supports change management processes across environments
• Contributes to continuous improvement initiatives within CI/CD workflows
• Maintains detailed documentation and operational standards
• Takes on additional duties as assigned to support the team and organization including maintaining the ability to participate in a 24/7 on-call rotation