Sr. Database Administrator; Oracle & SQL Server

Overview

Location: Hybrid (Minneapolis, MN | 3 Days Onsite, 2 Days Remote)
Employment Type: Contract

Are you an experienced Database Administrator looking for an opportunity to support critical infrastructure and enterprise-scale database environments? Trissential is seeking a Senior Database Administrator (Oracle & SQL Server) to join our client's Operational Technology (OT) DBA team supporting Distribution, Transmission, Nuclear, and other regulated business systems.

This role offers the opportunity to work with multiple database technologies, support mission-critical operations, and play a key role in ensuring data availability, performance, security, and business continuity.

• Support critical energy infrastructure that impacts millions of customers
• Work across Oracle, SQL Server, PostgreSQL, MySQL, and MariaDB environments
• Join a collaborative and highly skilled DBA team that values transparency, accountability, and knowledge sharing
• Gain exposure to Operational Technology (OT), SCADA, and Nuclear systems
• Contribute to high-profile projects, upgrades, and modernization initiatives
• Expand your expertise in performance tuning, high availability, disaster recovery, automation, and enterprise database architecture
• Enjoy a hybrid work model with a balance of onsite collaboration and remote flexibility
• Opportunity for long‑term engagement due to ongoing capital and technology initiatives

• 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 Power Shell, Shell Scripting, Korn Shell, 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 Service Now 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

• 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 Service Now or similar ITSM tools
• Excellent communication, relationship management, and collaboration skills
• Strong analytical, problem‑solving, and decision‑making abilities

• Oracle 12c, 19c, and 21c
• Oracle…