Sr. Database Administrator (Oracle & SQL Server) at Trissential in US-MN-Minneapolis
- Company: Trissential
- Location: US-MN-Minneapolis
- Posted: Sep 19, 2026
- Type: Contract
- Salary: $51-$61 per hour
- Experience: 8+ years
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 (…
Job description
- 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
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
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
- Oracle Technologies
- • Oracle 12c, 19c, and 21c
- • Oracle RAC
- • Oracle ASM
- • Oracle Data Guard
- • Oracle Major Version Upgrades
- • SQL Server 2014, 2016, 2017, 2019, and 2022
- • SQL Server Integration Services (SSIS)
- • SQL Server Reporting Services (SSRS)
- • Replication
- • Database Mirroring
- • Log Shipping
- • Always On Availability Groups
- • Windows and SQL Server Clustering
- • SQL Server Major Version Upgrades
- • PostgreSQL
- • MySQL
- • MariaDB
- • PowerShell
- • Shell Scripting
- • KornShell
- • ServiceNow
- • Bachelor's degree in Technology, Computer Science, Information Systems, Engineering, Business, or a related field preferred
- • Equivalent combination of education and relevant experience may be considered
- • Oracle Certified Professional (OCP) certification preferred
- • Additional database administration certifications are highly desirable
- • 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
Skills
Required
- Oracle Database Administration
- SQL Server Administration
- Backup and recovery
- Performance tuning
- Business continuity
- Troubleshooting
- Performance optimization
- Database automation and scripting
- ServiceNow or similar ITSM tools
- PowerShell
- Shell Scripting
- KornShell
Benefits
- At Trissential, we believe talented professionals deserve meaningful work, growth opportunities, and competitive compensation while supporting technology initiatives that make a real impact
- • Competitive Compensation – $51-$61 per hour. Final compensation is determined based on skill alignment, years of experience, and fair, market-based rates by geography
- • Comprehensive Benefits for you and your dependents – Extensive Medical Plans, Dental, Vision, HSA with company contribution, company sponsored Life Insurance and Short / Long term disability insurance, a host of voluntary plans including legal, hospital, accident, pet wellness, and 401k with matching
- • Paid Holidays and Paid Time Off
- • Career Development and Advancement – Expleo is a global company in 29 Countries worldwide with a high focus on development
- • Strong Team Culture – Collaborate with experienced professionals who value precision, performance, and teamwork