Senior Oracle Database Administrator

Are you a seasoned Database Administrator who thrives in complex, mission-critical environments? Trissential is hiring a Senior Oracle Database Administrator to join our client’s Operational Technology (OT) team supporting energy, SCADA, transmission, distribution, and nuclear operations. This is an opportunity to work on highly visible infrastructure supporting critical systems while collaborating with a team of experienced DBAs across multiple database platforms.

What’s in It for You?

• Work on critical infrastructure projects that directly support energy and operational technology environments
• Gain exposure to Oracle, SQL Server, PostgreSQL, MySQL, and MariaDB platforms
• Join a collaborative team that values transparency, communication, and technical excellence
• Contribute to modernization initiatives, upgrades, automation projects, and enterprise-scale database environments
• Enjoy a hybrid work schedule with a supportive team culture
• Opportunity for contract extension and long-term career growth due to ongoing capital projects

Your Role & Responsibilities

• Administer and support Oracle and SQL Server database environments across development, test, and production systems
• Perform database backup, recovery, performance tuning, patching, and business continuity activities
• Manage Oracle environments including ASM, RAC, Data Guard, and version upgrades
• Support SQL Server environments including clustering, AlwaysOn, replication, mirroring, and log shipping
• Create, maintain, and optimize physical database designs and database builds
• Participate in a rotating on-call schedule to support business-critical systems
• Monitor proactive and reactive database alerts and resolve incidents through ServiceNow
• Develop automation solutions using PowerShell, KornShell, Shell scripting, T-SQL, and PL/SQL
• Collaborate with application support teams, architects, developers, and infrastructure teams
• Conduct database capacity planning, audits, integrity checks, and health assessments
• Support ongoing strategic initiatives and major database upgrade projects
• Maintain security, compliance, governance, and operational standards throughout the environment

• 5-7+ years of hands-on Database Administration experience
• Strong expertise with Oracle Database Administration including Oracle 12c, 19c, and 21c
• Strong expertise with SQL Server Administration including SQL Server 2014, 2016, 2017, 2019, and 2022
• Experience performing database backup and recovery operations
• Proven performance tuning and troubleshooting experience
• Strong understanding of disaster recovery and business continuity processes
• Experience supporting PostgreSQL, MySQL, and MariaDB databases
• Hands-on experience with ServiceNow or similar ticketing platforms
• Strong scripting skills using PowerShell, KornShell, Shell Scripting, T-SQL, and PL/SQL
• Ability to communicate effectively with both technical and non-technical stakeholders
• Proven ability to work collaboratively and proactively within a team environment

Bonus Points If You Have

• Experience supporting utility, energy, SCADA, operational technology, or nuclear environments
• Experience with Oracle ASM, RAC, and Data Guard technologies
• Experience with SQL Server SSIS package development and reporting services
• Experience performing large-scale Oracle and SQL Server version upgrades
• Experience with Windows clustering and SQL Server AlwaysOn technologies
• Knowledge of data governance, data architecture, data visualization, or analytics initiatives
• Exposure to machine learning, predictive modeling, or reporting solutions

Education & Certifications You Need

• Bachelor’s degree in Technology, Computer Science, Information Systems, Business, or a related field OR

• Equivalent combination of education and 8+ years of related professional experience

Preferred Certifications

• Oracle Certified Professional (OCP)
• Microsoft SQL Server Certifications
• Other database administration certifications, This position is open only to candidates authorized to work in the United States. U.S. Citizenship is required

Ready to be part of something exciting?

If you’re passionate about Oracle and SQL Server administration and want to work in an environment where your expertise supports critical business operations, we encourage you to apply today and take the next step in your career with Trissential

At Trissential, we value expertise, innovation, and collaboration. By joining our client’s team, you’ll work on impactful projects supporting critical infrastructure while being part of a highly respected technical organization.

• 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