Cognizant is seeking a Senior SQL Server DBA for a full-time opportunity in Brampton, ON.
Key Responsibilities (Performance Tuning Focus)
- Lead enterprise-wide SQL Server performance tuning initiatives across mission-critical production environments.
- Analyze and troubleshoot complex database performance issues, including blocking, deadlocks, latch contention, memory pressure, and CPU bottlenecks.
- Perform advanced query optimization using execution plans, index analysis, Dynamic Management Views (DMVs), and wait statistics.
- Design and implement indexing, partitioning, and database architecture improvements to support high-volume workloads.
- Conduct proactive database health assessments and recommend performance improvement opportunities.
- Monitor and optimize SQL Server resource utilization, including CPU, memory, storage, and I/O performance.
- Collaborate with application development teams to optimize database-intensive applications, stored procedures, and T-SQL code.
- Perform Root Cause Analysis (RCA) for critical performance incidents and implement preventive solutions.
- Lead performance benchmarking, capacity planning, and scalability assessments to support future business growth.
· Drive automation initiatives using PowerShell and T-SQL to improve operational efficiency and reduce manual intervention.
Skills and Qualifications Required:
- 10 years of experience with SQL Server Database Administration and Development with Performance Tuning on Slow running queries with Automation.
- 8 plus years of experience with SQL Performance Tuning & Optimization.
- Experience with Always On Availability Groups / HA-DR.
- Query Optimization & Execution Plan Analysis.
- PowerShell Automation & Scripting.
- SQL Server Upgrades & Migrations
Total Compensation
The base salary for this position ranges between $77500 to $91000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.
Working Arrangements:
At Cognizant, we're eager to meet people who believe in our mission and can make an impact in various ways! We strongly encourage you to apply even if you only meet the required skills listed. Consider what transferrable experience and skills make you an outstanding applicant and help us see how you'd be helpful to this role.
Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Brampton, ON.
Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
Note: The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations
Applications for this position are reviewed by our recruitment team without the use of artificial intelligence screening tools. Applications will be accepted until 7/16/2026.
关于高知特 (Cognizant)
高知特(Cognizant)(纳斯达克代码:CTSH)作为一家AI Builder和相关技术服务提供商,致力于通过打造全栈AI解决方案,帮助企业将人工智能投资转化为实际价值。公司凭借深厚的行业经验、流程优化和工程技术专长,将企业独特的业务场景融入科技系统,赋能组织释放人才潜能,推动切实成果,并帮助全球企业在瞬息万变的环境中保持领先。如需了解更多详情,敬请访问 cognizant.ai 或关注@cognizant。
补充雇佣信息
薪酬信息截至本职位发布之日为准。Cognizant 保留在适用法律允许的范围内随时修改该信息的权利。
申请人可能需要通过现场面试或视频会议的方式参加面试。此外,候选人在每次面试时可能需要出示其当前所在州或政府签发的有效身份证件。
Cognizant 是一家提供平等就业机会的雇主。在招聘过程中,您的申请和候选资格不会因种族、肤色、性别、宗教、信仰、性取向、性别认同、国籍、残疾、遗传信息、怀孕、退伍军人身份或任何其他受联邦、州或地方法律保护的特征而受到影响。







