Senior Database Administrator responsible for operating and improving enterprise Oracle, Db2, SQL Server, and Azure SQL platforms. Duties include database availability, performance tuning, security, backup and disaster recovery, patching, automation, incident resolution, migrations, modernization, documentation, and compliance. The role partners with infrastructure, cloud, DevOps, architecture, application, and cybersecurity teams, participates in on-call rotation, and mentors junior and intermediate DBAs.
This position requires in-person collaboration up to five days a week. This arrangement is subject to change based on business requirements.
Why WestJet:
Since our story took off in 1996, WestJet has strived to enrich the lives of everyone in our world; a career with us is no exception. We’re proud to be one of Canada’s most admired and respected corporate cultures and continuously aim for the highest standards of service and success.
Join us, this is where your career story takes off.
Overview of role:
WestJet is seeking a highly motivated and results-driven Senior Database Administrator to join our Database Services team. This role combines hands-on technical expertise with mentorship, supporting the growth of intermediate team members while driving operational excellence.
Working alongside a team of dedicated professionals, the Senior DBA is responsible for delivering secure, reliable, and high-performing enterprise database platforms across Oracle, IBM Db2, Microsoft SQL Server, and Azure SQL Database environments. The role supports day-to-day operations, ensuring database availability, performance, and reliability while contributing to solutions that enable critical business objectives and outcomes.
This role participates in the On-Call rotation.
Key deliverables / responsibilities include:
- Provide technical leadership and operational support for enterprise database platforms across Oracle, IBM Db2, Microsoft SQL Server, and Azure SQL Database environments, contributing to platform design and ensuring database availability, performance, security, resilience, and recoverability through proactive monitoring, maintenance, high availability, backup, and disaster recovery practices.
- Lead the implementation and continuous improvement of database operations, including performance tuning, capacity planning, patching, upgrades, security controls, and automation initiatives that enhance reliability, scalability, and operational efficiency.
- Manage database security and compliance requirements, including access controls, permissions, auditing, and vulnerability remediation, ensuring adherence to security standards and the principle of least privilege.
- Lead the resolution of complex database incidents and problems, performing root cause analysis, implementing corrective actions, and developing innovative solutions to improve service reliability and prevent recurrence.
- Partner with application, infrastructure, cloud, DevOps, architecture, and cybersecurity teams to support database design, deployments, schema changes, migrations, and modernization initiatives, ensuring solutions are scalable, secure, and operationally supportable.
- Contribute to cloud adoption, platform modernization, and process improvement initiatives, leveraging automation and industry best practices to improve consistency, agility, and operational effectiveness.
- Develop, maintain, and promote database standards, procedures, and operational documentation, helping ensure consistent delivery and support across enterprise database environments.
- Provide technical mentorship, guidance, and leadership to intermediate and junior DBAs, serving as an escalation point for complex issues, supporting skill development, and collaborating with Database Platform Specialists to advance team capabilities and drive continuous improvement.
- Exercise sound technical judgment and a high degree of autonomy to solve complex problems, develop pragmatic and innovative solutions, and contribute to the achievement of team and organizational objectives.
Experience and qualifications:
- Bachelor’s degree in Computer Science, Information Technology, Engineering, Information Systems, or a related field, and 7+ years of experience in database administration, or an equivalent combination of education and experience.
- Advanced experience administering Oracle and Microsoft SQL Server databases in large, mission-critical environments.
- Strong knowledge of Oracle technologies, including RAC, ASM, RMAN, Data Guard, multitenant databases, OEM/OMS, and Oracle Engineered Systems.
- Experience with SQL Server HA/DR technologies, including Always On Availability Groups, backup/recovery, and performance tuning.
- Experience with Azure SQL and Azure database services (PaaS/IaaS) is considered an asset.
- Experience with IBM Db2 is considered an asset.
- Proven expertise in database performance tuning, troubleshooting, capacity planning, root cause analysis, and database security.
- Experience with Linux and Windows administration, including scripting and automation using Bash, PowerShell, Python, or similar technologies.
- Experience with database monitoring and diagnostic tools such as Oracle Enterprise Manager, Redgate Monitor, SolarWinds DPA, Dynatrace, or equivalent.
- Working knowledge of networking, application architectures, enterprise data platforms, security-by-design principles, ITSM practices, and change management processes.
- Demonstrated ability to resolve complex technical issues, provide mentorship to other DBAs, and collaborate effectively with technical and non-technical stakeholders.
- Strong analytical, communication, and organizational skills, with the ability to manage competing priorities and drive continuous improvement.
- Industry certifications in Oracle, OCI, Microsoft Azure, SQL Server, or related technologies are considered an asset.
The benefits of being a WestJetter:
WestJet provides all WestJetters with a competitive total rewards package. On top of that, we offer:
- A fun and friendly culture with colleagues who work together to win
- Travel privileges for you and your family, effective from your start date
- Savings and Benefit programs that are flexible to meet your specific needs
Think we’re a great fit? Apply now!
About WestJet Group of Companies
WestJet took to the skies in 1996 with just over 200 employees and three aircraft operating service to five destinations. Since then, WestJet has pioneered low-cost travel in Canada, cutting airfares in half, and increasing the flying population in Canada by more than 50 per cent. Since the Sunwing Airlines integration in 2025, more than 15,000 WestJetters support nearly 200 aircraft and connect guests to our global network of more than 100 destinations across North America, Central America, the Caribbean, Europe and Asia. The WestJet Group is a major Canadian employer and includes WestJet Airlines, WestJet Encore and Sunwing Vacations Group. We’re Canada’s leading value airline and largest vacation provider, with a united purpose of providing affordable and accessible air and vacation travel to Canadians.
Our safety promise
At WestJet, the safety and security of our people and our guests is a core value and at the heart of what we do. Safety and security are shared responsibilities all team members are expected to use safe work practices to ensure their well-being and the safety of others. WestJet recognizes that the use of Alcohol and Drugs can adversely impact a safe work environment and the well-being of others including guests, suppliers and the public, as well as place WestJet's operations at risk. All roles that are identified as Safey-Sensitive are required to pass a Pre-Employment Alcohol and Drug Test as per WestJet's Alcohol and Drug Policy.
Our commitment to diversity, equity and inclusion
We embrace what makes each of us unique, and what makes us uniquely WestJet. We welcome diverse skills, experiences and backgrounds so if you're passionate about this role, we encourage you to apply – even if you don't meet every qualification listed. WestJet is committed to inclusiveness, equity and accessibility throughout the selection process. If you require accommodation at any stage, please contact our Talent Acquisition team at [email protected].
We value the time and effort you put into your application. Our recruitment process is highly competitive and while every applicant will receive communication regarding their application status, only those selected to move forward will be contacted with next steps. If this role isn’t the right fit, we encourage you to explore future opportunities with us.
For more information about everything WestJet, please westjet.com/aboutus.
If you wish to withdraw your application or request that your personal information be deleted, please contact us at [email protected].
If you wish to withdraw your application or request that your personal information be deleted, please contact us at [email protected].
WestJet Calgary, Alberta, CAN Office
Calgary, Canada
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