Senior Database Administrator - Express Scripts

Job Title : Senior Database Administrator

Location : Mississauga

Employment Type : Full‑time

Reason for Vacancy : Replacement

Work Arrangement : Hybrid

Department Name : Adjudication Platform & Databases Department

Pay Typed : Salaried

Pay Range : $95,000 – $115,000 Annually + Bonus

Please note that this is a general posting range and offer range will be varied based on relevant experience, qualifications, skills required and location for this role.

About Us

Express Scripts Canada (ESC) is the leader in health benefits management. Serving over 12 million members, we help insurance carriers, third party administrators, and the public sector optimize the value of health benefits by linking the talent and professional expertise of our people with leading edge information management systems and technology. Express Scripts Canada is a wholly owned subsidiary of Express Scripts, one of the largest pharmacy benefit management (PBM) companies in North America, part of The Cigna Group (NYSE : CI), a global health company. Together, we deliver innovative, cost‑effective solutions that improve access, affordability, and health outcomes for Canadians

Job Summary

Express Scripts Canada is seeking a highly experienced Database Administrator (DBA) to join our Production Operations team. The ideal candidate will have over 10 years of hands‑on DBA experience, including advanced expertise in both MS SQL Server and Oracle databases. You will collaborate with business stakeholders, project managers, and senior IS management to deliver robust database solutions, oversee implementation and maintenance, and drive best practices in database design and administration.

Key Responsibilities

Lead database performance and capacity planning, defining frameworks and standards.

Collaborate with Project Managers, Software Development, and Business Analysts to ensure successful delivery of multiple initiatives.

Manage performance issues in custom code released to production.

Develop comprehensive test plans and maintain testing scripts.

Evaluate change management requests, including impact analysis and time / cost estimation.

Support and write scripts (Perl, shell, PL / SQL) for database monitoring and maintenance.

Define and implement database system architecture across environments.

Provide off‑hour DB support on rotation as required.

What We’re Looking For

• Post‑secondary education in computer science, information systems, or computer engineering.
• 10+ years of DBA experience strongly preferred
• MS SQL Server and Oracle databases Strongly preferred
• Experience with data architecting, large‑scale data modeling, and business intelligence;
• Experience with Oracle Exadata, DataGuard and VEEAM backup solutions exposure considered an asset
• Direct experience implementing enterprise data management processes and decision support.
• Strong understanding of relational database structures, theories, principles, and practices.
• Experience in capacity planning, performance tuning, and troubleshooting for both SQL Server and Oracle.
• Experience with multi‑site replication, HA clustering, and disaster recovery solutions.
• Knowledge of Web Services and SQL.
• Excellent problem‑solving and communication skills.
• Strategic vision for database direction within the organization.
• Hands‑on experience with enterprise repository and data modeling tools.
• Proficiency with Microsoft Office suite (MS Project, PowerPoint, Visio).
• Bilingualism (French and English) is an asset.

Preferred / Good to Have

Why Join Us

AI Disclosure

If AI or automated tools are used in screening or assessment, include : 'This posting uses AI‑assisted tools as part of the screening process.'

Pre‑Employment Requirements

All offers of employment are conditional upon the successful completion of reference checks and background verification in accordance with company policy . Within ESC, for certain positions, obtaining and maintaining a federal government security clearance is a bona fide occupational requirement. Candidates applying for such roles must meet all eligibility criteria for the applicable clearance level and consent to the security screening process as mandated by federal regulations. Failure to obtain or maintain the required clearance will result in withdrawal of the offer or termination of employment.

Our hiring process includes AI‑powered tools to conduct video interviews, take notes and score candidates; however, all scores will be reviewed by hiring managers and our Talent team before making a decision.

NOTE : Internal posting will be closed on January 15, 2026

Express Scripts Canada is a Cigna company

Express Scripts Canada is a subsidiary of Express Scripts, a Cigna company. Cigna Corporation (NYSE : CI) is a global health service company dedicated to improving the health, wellbeing and peace of mind of those we serve. Cigna offers an integrated suite of health services through Cigna, Express Scripts, and our affiliates including medical, dental, behavioural health, pharmacy, vision, supplemental benefits, and other related products.

About Express Scripts Canada

Express Scripts Canada is a leading health benefits manager and has been recognized as one of the most innovative. Our clients include Canada's leading insurers, third party administrators and governments. We work with these clients to develop industry‑leading solutions to deliver superior healthcare in a cost‑controlled environment. We provide Active Pharmacy™ services to more than 7 million Canadian patients and adjudicate more than 100 million pharmacy, dental, and extended health claims annually. Through our proprietary consumer intelligence, clinical expertise, and patients‑first approach, we promote better health decisions for plan members, while managing and reducing drug benefit costs for plan sponsors.

It will be a condition of employment that the successful candidate obtains an Enhanced Reliability Clearance from the Federal Government. The candidate will be required to provide supporting documentation to receive clearance if required.

We offer a competitive salary and benefits package, along with a positive work environment built on solid corporate values, integrity, mutual respect, collaboration, passion, service and alignment.

We are an equal opportunity employer that promotes a diverse, inclusive and accessible workplace. By embracing diversity, we build a more effective organization that empowers our employees to be the best that they can be.

We are committed to creating a working environment that is barrier‑free and we are prepared to provide accommodation for people with disabilities.

If you require accommodation in completing the online application process, please email eschr2@express-scripts.com. Do not email eschr2@express-scripts.com for an update on your application or to provide your resume as you will not receive a response.

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