1

Sr Database Engineer Jobs in Ontario (NOW HIRING)

This Senior Business data engineer will play an indispensable role in assembling the necessary data ... database systems, relational models, dimensional models, and analytical models * 3-5 years ...

Senior Data Engineer - JLL What this job involves: As a Senior Data Engineer at JLL, you will ... Advanced expertise in relational database design, star schema modeling, and data warehousing ...

Senior Data Engineer

Mississauga, ON · On-site

CA$130K - CA$140K/yr

As a Senior Data Engineer , you will ensure scalable and efficient data systems by addressing ... Support the administration of Azure-based databases, including performance tuning, backup/recovery ...

The Senior / Lead Data Engineer will bepart of McKesson Decision Intelligence team, and ... Understanding oflarge database mining tools and statistical languagesutilizedto efficiently build ...

The Senior / Lead Data Engineer will bepart of McKesson Decision Intelligence team, and ... Understanding oflarge database mining tools and statistical languagesutilizedto efficiently build ...

As a Senior Data Engineer at Assent, you will play a critical role in advancing our data ... Work closely with database developers, software development, product management, and AI/ML ...

The Role: We are looking for a Senior Data Engineer with a minimum of 5+ years of experience in ... Support and implement CI/CD and deployment processes for data pipelines and database changes.

The Senior AI/ML Engineer will be a primary contributor to building scalable AI/ML capabilities ... databases (e.g., Pinecone, Elasticsearch), multi-agent AI systems with tool calls, and prompt ...

We are currently seeking a Senior Data Engineer to join the Data, AI & Analytics (DNA) Team ... A successful data engineering candidate will demonstrates a deep understanding of database concepts ...

Senior Data Engineer Structure: Hybrid (2 days onsite / 3 days remote) - Toronto Duration: 6-Month Contract Pay Rate:up to $100 INC p/h -- We have a great new opportunity to support one of our ...

Drive innovation as a Senior Data Engineer in Euna Solutions' hybrid work model. Bring your extensive data engineering experience to build and enhance data products crucial for business success. Euna ...

Role Summary The Senior Data Engineer will join the Software Engineering team that leads the delivery of data and application solutions that enable OMERS Global Investments (GI) and Corporate teams ...

They're hiring a Senior Data Engineer to lead the design and evolution of real-time data systems and scalable architecture supporting both operational intelligence and predictive modelling. This is a ...

Showing results 41-60

Sr Database Engineer information

What is a Sr database engineer?

Sr Database Engineers are experienced professionals responsible for designing, implementing, maintaining, and optimizing complex database systems for organizations. They ensure data integrity, security, and availability, often working with large-scale databases and advanced technologies. Their role includes troubleshooting performance issues, developing backup and recovery strategies, and collaborating with developers and IT teams to support data-driven applications. Sr Database Engineers also help define best practices and mentor junior staff.

What are the key skills and qualifications needed to thrive as a Sr database engineer?

To thrive as a Sr Database Engineer, you need advanced knowledge of database design, optimization, and management, typically supported by a degree in computer science or a related field and several years of experience. Expertise in database platforms (like SQL Server, Oracle, or MySQL), proficiency with scripting languages, and certifications such as Microsoft Certified: Azure Database Administrator Associate or Oracle Certified Professional are highly valuable. Strong analytical thinking, problem-solving, and effective communication skills help you collaborate with stakeholders and address complex data challenges. These skills ensure the reliability, security, and scalability of critical data systems that support business operations.

What are some common challenges Sr database engineers face when managing large-scale database systems?

Sr Database Engineers often encounter challenges such as ensuring data integrity and security across complex, distributed systems, optimizing database performance under heavy workloads, and planning for scalability as data volumes grow. They must also manage regular backups, disaster recovery plans, and stay updated with evolving database technologies. Collaboration with development, DevOps, and security teams is essential to address these challenges and maintain seamless data operations.

What is the difference between Sr Database Engineer vs Database Administrator?

AspectSr Database EngineerDatabase Administrator
CredentialsBachelor's/Master's in CS, SQL certificationsBachelor's in CS or related, SQL certifications
Work EnvironmentDesign, develop, optimize databases, often in development teamsMaintain, monitor, and troubleshoot databases in production
Industry UsageUsed across tech, finance, healthcare for database developmentCommon in enterprise, IT departments for database management
Search/Comparison IntentFocus on database design and development skillsFocus on database maintenance and support skills

The Sr Database Engineer primarily focuses on designing and developing databases, ensuring optimal performance and scalability. In contrast, a Database Administrator manages and maintains existing databases, ensuring their security, availability, and integrity. Both roles require similar credentials and are vital in organizations that rely heavily on data management.

Infographic showing various Sr Database Engineer job openings in Ontario as of August 2026, with employment types broken down into 89% Full Time, 7% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution.

Senior Data Engineer

Sun Life Financial

Waterloo, ON • On-site

Full-time

Re-posted 10 hours ago


Sun Life Assurance Company of Canada rating

8.6

Company rating: 8.6 out of 10

Based on 18 frontline employees who took The Breakroom Quiz

94th of 315 rated insurance


Job description

You are as unique as your background, experience and point of view. Here, you'll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do.


At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful.


When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives.


Discover how you can make a difference in the lives of individuals, families and communities around the world.


Job Description:

The Client Experience Office (CXO) is an important pillar of Sun Life Canada's Data and Analytics growth and corporate strategy and as such, is seeking experienced data engineering individual with a proven track record working with data consumers to extract meaningful insights from enterprise data. This Senior Business data engineer will play an indispensable role in assembling the necessary data products that fuel myriads of analytical models used by our various business units across Canada.

Reporting to the Manager of Data Engineering, the Senior Business Data Engineer will be a key member of Data Enablement Team responsible for building enriched data products that provide deep insights about our Client, Advisor, Product, Transactions along with their intricate relationships. The Senior Business Data Engineer will work with data analysts and data scientists to help answer complex business enquires such as identifying new business opportunities, understanding our client behavior and optimizing areas of our sales cycles.

What will you do:

  • Design and engineer data models that represent our key business entities such as our Advisor, Client & Product
  • Ensure high level of data quality and data integrity are maintained across data sources for business data assets
  • Convert complex business and technical rules into logic for data flows and data pipelines
  • Obsessed with understanding our enterprise data and interpreting it in the best way possible to derive business value
  • Work with our Data Science teams to implement data products for various use cases
  • Collaborate with stakeholders and incorporate into solution design for various use case requirements
  • Standardize metadata into a common glossary along with the necessary documentation for data consumers
  • This is a senior individual contributor role bridging the requirements of Business consumers and data engineering practitioners to support the overall Business Data Strategy.
  • This role will be partnering closely with CXO business stakeholders, enterprise governance and risk partners, and CXO data practitioners

What do you need to succeed?

  • 3-5 years hands-on experience working on major Cloud technologies and programming languages for data processing and analytics
  • 3+ years experience with AWS and Snowflake platforms for building robust ETL pipelines, Catalog management, Data Quality and Governance implementation to keep data compliant and reliable.
  • 3+ years experience and proficiency in Python, Pyspark and SQL
  • Demonstrated Experience in cost and performance optimization of Spark and SQL jobs
  • 5 years hands-on experience with relational database systems, relational models, dimensional models, and analytical models
  • 3-5 years experience with engineering data products as input to various analytical models
  • 3-5 years building feedback loops between model deployment and its data - i.e. tune & tweak data products to achieve scale, optimization, etc.
  • Sound understanding of Data Management principles (data warehousing, data quality, master data management, etc.) and Data Governance principles. Sound understanding of data modelling and a passion for analytics
  • Proven ability to leverage knowledge of data engineering to extract, conform and integrate a variety of operational data sources into production-grade data products
  • Experience of popular data formats like Parquet and Iceberg
  • Experience in BI Tools like Tableau , Quicksight , Streamlit is a definite plus.
  • Experience working with very large datasets and familiarity with big data technologies
  • Excellent verbal and written communication skills; have executive presence and proven ability to partner with Data Scientists to articulate insights gleaned from the model and the underlying data

What will be nice to have

  • Understand and Embrace Agile Operating Model
  • Understanding of AI concepts and Machine learning and familiarity with AI services of AWS and Snowflake platforms
  • Knowledge of fundamental statistical models & techniques
  • Knowledge and experience working with DevOps technologies
  • Experience working in a large financial services organization
  • Undergraduate degree in Computer Science, Mathematics, Engineering, or equivalent
  • Graduate degree in business or quantitative science strongly preferred

What's in it for you:

  • We're honoured to be recognized as a 2026 Best Workplaces in Canada by Great Place to Work Canada.
  • We are thrilled to be recognized by Excellence Canada with their top-level certification, the Canada Order of Excellence for Mental Health at Work, for prioritizing employee well-being, fostering a positive work culture, and achieving excellence in mental health.
  • Wellness programs that support the three pillars of your health - mental, physical, and financial
  • The opportunity to move along a variety of career paths with amazing networking potential.
  • As a hybrid organization, you and your leader use business and Client need to choose where you work, at home or in the

Unique Requirements:

This role requires Reliability Status Clearance. In addition to a law enforcement inquiry and a credit check, as part of your application, the Government of Canada will ask if you lived or travelled outside of Canada for 6-consecutive months during the last 5 years, and you must account for all activities during this time. Important: Obtaining Reliability Status Clearance within a reasonable amount of time is a condition required to start employment for this role at Sun Life.

Must be able to satisfactorily complete applicable background checks prior to the start date and during employment, in accordance with Sun Life's policies and practices.


The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.


Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.


Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com.


We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you.


We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.


We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.


Salary Range:

80,000/80 000 - 128,000/128 000

Job Category:

Advanced Analytics

Posting End Date:

07/09/2026

What Sun Life Assurance Company of Canada employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom