Sr. Database Administrator (Oracle & SQL Server)

Expleo•Minneapolis, MN

6d•$51 - $61•Hybrid

About The Position

Trissential is seeking a Senior Database Administrator (Oracle & SQL Server) to join their client's Operational Technology (OT) DBA team. This role will support Distribution, Transmission, Nuclear, and other regulated business systems. The position offers the chance to work with multiple database technologies, support mission-critical operations, and ensure data availability, performance, security, and business continuity. The role involves supporting critical energy infrastructure, working across various database environments (Oracle, SQL Server, PostgreSQL, MySQL, MariaDB), and joining a collaborative DBA team. It provides exposure to Operational Technology (OT), SCADA, and Nuclear systems, opportunities to contribute to high-profile projects, and chances to expand expertise in performance tuning, high availability, disaster recovery, automation, and enterprise database architecture. The position offers a hybrid work model and potential for long-term engagement.

Requirements

5-8+ years of hands-on Database Administration experience within enterprise environments
Strong Oracle Database Administration experience including backup and recovery, performance tuning, and business continuity
Strong SQL Server Administration experience including backup and recovery, performance tuning, and business continuity
Experience supporting production, development, and testing database environments
Expertise in database builds, patching, upgrades, migrations, and maintenance
Strong troubleshooting and performance optimization skills
Experience with database automation and scripting technologies
Experience working with ServiceNow or similar ITSM tools
Excellent communication, relationship management, and collaboration skills
Strong analytical, problem-solving, and decision-making abilities

Nice To Haves

Utility, Energy, SCADA, Operational Technology (OT), Industrial Controls, or Nuclear industry experience
Experience supporting highly regulated environments
Experience with Oracle RAC, ASM, and Data Guard architectures
Experience with SQL Server Always On, clustering, replication, mirroring, and log shipping
Experience leading major database upgrades and migrations
Experience with distributed computing environments
Experience with business intelligence and reporting solutions
Exposure to machine learning, predictive analytics, or advanced reporting technologies
Experience supporting enterprise data governance initiatives
Oracle Certified Professional (OCP) certification
Microsoft SQL Server certifications
Additional database administration certifications

Responsibilities

Create, maintain, and support databases across development, testing, and production environments
Analyze, test, implement, and optimize physical database designs to support business requirements
Administer Oracle, SQL Server, PostgreSQL, MySQL, and MariaDB database environments
Manage database installations, upgrades, patching, migrations, and lifecycle activities
Perform database backup and recovery activities to ensure data integrity and system availability
Support business continuity, disaster recovery, and high availability initiatives
Monitor database performance and proactively identify opportunities for optimization
Conduct database environment audits and provide capacity planning recommendations
Maintain technical documentation and ensure environments remain current with supported patches
Develop and maintain automation solutions using PowerShell, Shell Scripting, KornShell, T-SQL, and PL/SQL
Partner with application support teams, developers, architects, technical managers, and system administrators
Drive data governance, data integrity, and sound data management practices
Utilize ServiceNow to manage operational requests, incidents, and support activities
Participate in an on-call rotation approximately every four weeks, providing seven-day coverage
Act as a subject matter expert and consultant on database-related initiatives, projects, and architecture discussions