Senior Software Engineer, Operations

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

Job Description:

The Group Benefits/Group Retirement (GB/GR) support team in Application Operations Services is looking for an Application Developer with at least 8 years of Mainframe application support, analysis, and development experience.

The successful incumbent will have strong technical and problem-solving skills, and the ability to work independently. As a member of the team that supports mainframe applications, responsibilities include application support, responding to service requests, debugging and problem solving, security reviews, maintaining stability, requirements analysis, performance and tuning, application development and unit testing, writing technical specifications, as well as participation in transitions to support and design reviews. The desirable candidate will show initiative, be accepting of responsibility and be accountable for results.

What will you do?

• Provide ongoing support of Group Retirement Services mainframe application systems in production including responding to service requests, problem analysis, resolution, escalation and reporting as necessary
• Identify and participate in improvement, system renewal, stability, upgrade, and Disaster Recovery projects
• As a senior member of the support team, interface with developers, infrastructure teams, system designers, business system analysts, application analysts and testing specialists to deliver high quality solutions and maintain a stable, high performing application environment
• Create and maintain supporting documentation
• Participate in various review processes - e.g Business Requirements, Test plans, Design reviews, etc to gain a solid understanding of the application and provide input into the various deliverables from a support perspective
• Design, develop, code, test, and debug programs for small projects
• This role includes on-call and after-hours support on a team rotation basis

What do you need to succeed?

• Minimum 8 years of information technology experience in mainframe application support and development
• University degree in Computer Science or equivalent experience
• Strong working knowledge of COBOL, UNIX-Micro Focus Cobol, Syncsort, IMS, DB2, JCL, SQL, Focus, APIs, and Agile Deployment Tools
• Excellent understanding of mainframe application problem solving and debugging
• Solid understanding of distributed application packaging, deployment, and performance management
• Strong leadership, planning, organizational and consulting skills
• Ability to communicate effectively to technical and nontechnical audiences and work with business partners as well as infrastructure teams
• Self-starter, fast learner and ability to multitask
• Experience with .Net, Java and/or other technologies is an asset
• Understanding of the ITIL service framework is an asset

What's in it for you:

• We're honoured to be recognized as a 2024 Best Workplaces in Ontario 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 office

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

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 Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

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

Salary Range:

90,000/ ,000/140 000

Job Category:

IT - Application Development

Posting End Date:

20/11/2025