Senior DB Administrator - HA & Security

Nuaxis-Innovations; United States; Remote; USD 110,000 - 160,000; Full time

Job summary

NuAxis is seeking a Senior Database Administrator for a full-time role in the United States. The candidate will lead design, administration, tuning, security, backup, and optimization of enterprise databases across SQL Server, Oracle, PostgreSQL, and MySQL, with emphasis on high availability and disaster recovery.

Five to eight years of experience and a relevant bachelor's degree are required. The role requires strong skills in SQL tuning, performance optimization, monitoring, and data security,

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field.
• Five to eight years of database administration experience across enterprise relational platforms.
• Platform database administration certifications (e.g., MS Azure, Oracle, or PostgreSQL).
• Cloud database specialty certification within 180 days of assignment preferred.
• AWS Database Specialty; ITIL 4 Foundation;CompTIA Security+ are a plus.

Responsibilities

• Lead design, administration, tuning, security, backup, and optimization of enterprise database platforms.
• Administer production and non-production environments across relational platforms.
• Perform SQL and index tuning, execution plan analysis, and workload optimization.
• Design high availability and disaster recovery configurations.
• Execute backup, recovery, patching, upgrade, and capacity planning activities.
• Implement database security controls: access management, encryption, auditing, and masking.
• Establish monitoring and alerting; respond to performance and availability incidents.
• Support release activities including schema change management and data migrations.

Skills

SQL tuning

High availability

Disaster recovery

Performance optimization

Monitoring

Security controls

Backup and recovery

Schema change management

Education

Bachelor's degree in IT/CS or related field

Tools

Microsoft SQL Server

Oracle Database

PostgreSQL

MySQL

Always On Availability Groups

Oracle Data Guard

pgBackRest

RDR/SSIS/ETL tools

Azure SQL Managed Instance

Amazon RDS

Job description

NuAxis is seeking a Senior Database Administrator for a full-time role in the United States. The candidate will lead design, administration, tuning, security, backup, and optimization of enterprise databases across SQL Server, Oracle, PostgreSQL, and MySQL, with emphasis on high availability and disaster recovery.

Five to eight years of experience and a relevant bachelor's degree are required. The role requires strong skills in SQL tuning, performance optimization, monitoring, and data security,