Senior Reliability Site Engineer (Operations)
Sun Life Financial
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 e-Business team in Application Operations Support (AOS) provides operations and support services to ensure reliability of IT applications to deliver seamless Digital experiences for our clients. Through innovation, continuous improvement, and collaboration, we strive to find new and better ways to bring value to Sun Life.
We are looking for a Senior Software Engineer who thrives in high-impact environments and brings 7+ years of Java application support, analysis, and development experience. In this role, you will play a key part in keeping critical systems reliable, scalable, secure, and resilient—especially when incidents arise. The ideal candidate is a calm, confident problem solver who can take ownership during production incidents, drive resolution, and collaborate effectively across Delivery, Infrastructure, and IT Operations.
What you will do?
Reliability Engineering
- Support highly available, fault-tolerant, and scalable systems.
- Define and track Service Level Indicators (SLIs), Service Level Objectives (SLOs), and error budgets to balance reliability and delivery speed.
Monitoring & Observability
- Implement end-to-end monitoring, logging, and alerting for applications and infrastructure.
- Proactively identify performance degradation, capacity risks, and reliability gaps.
Incident Management & Response
- Participate in on-call rotations and lead high-impact incident response for production issues.
- Participate in post-incident reviews and drive corrective and preventive actions.
Automation & Tooling
- Reduce operational work through automation of scaling, incident recovery, and routine tasks.
- Build internal tools and platforms to improve operational efficiency.
- Build telemetry to detect issues and implement self-healing to keep MTTR down
Release, Change & Capacity Management
- Partner with development teams on safe releases, rollbacks, and change validation.
- Perform capacity planning and performance tuning to support growth.
Collaboration & Enablement
- Work cross-functionally with product, engineering, security, and operations teams.
- Document systems, standards, and operational practices to promote shared ownership
What do you need to succeed:
- Degree in Computer Science, Computer Engineering, or equivalent discipline
- 3+ years with Incident Management Processes in IT operations
- 7+ years experience in:
- Java, JavaScript & web development languages like HTML, XML, CSS
- Java Enterprise Edition (J2EE) technologies such as Servlet, JDBC and JSP
- Spring framework
- 1+ years experience in:
- ReactJS/ React.js -> Angular
- Container technologies – Kubernetes, Docker
- Web Security Knowledge (OWASP top 10)
Learn on the job:
- Web services and frameworks such as SOAP, REST API, Java APIs, JSON, Spring Boot
- Database technologies like SQL, Oracle, POSTGRES
- DevOps tools - Jenkins, Artifactory, Bitbucket/Git, Gradle, Maven, CDD, Ansible
- Multi-Factor Authentication (MFA)
- Exposure to Agile framework (Kanban, Scrum)
- Experience working with cloud hosted applications / servers on AWS.
- Exposure to team collaboration tools like Confluence, JIRA, Service Now, MS Teams
- Experience with Kafka and light car proxy
- Use of AI based tools to bring efficiency
- Knowledge of Middleware technologies such as WebSphere/WebLogic
Preferred Skills:
- Collaboration and teamwork
- Continuous learning mindset
- Familiar with AI Ops capabilities, experience developing / implementing AI based tools is an added advantage
- Ability to work in a dynamic environment with changing priorities
- Be able to lead/drive investigations involving a cross-functional team
- Strong analysis, debugging and problem-solving skills
- Ability to produce succinct reports on incident impact, root cause and follow-ups
- Solid written and verbal communication skills
Notes/Unique requirements:
- The role includes on-call and after-hours support on a team rotation basis.
- This role requires Canadian Enhanced Reliability Security clearance [a minimum of 5 years of consecutive residency in Canada].
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 needs to choose where you work, at home or in the office
This role requires Reliability Security 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.
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.
#LI-Hybrid #LI-remote
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 View email address on apply.j-vers.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:
90,000/90 000 - 140,000/140 000
Job Category:
IT - Application Development
Posting End Date:
07/09/2026
#J-18808-Ljbffr$109.4k - $191.5k per year
...It all started when engineer Fred Luddy wrote code that automated... ...completion of a Government of Canada Reliability Status screening as a... ...infrastructure. You'll design and operate cloud-native platforms for... ...Kubernetes experience across cluster operations, networking, storage,...SuggestedPermanent employmentFull timeContract workManual laborWork at officeImmediate startRemote workFlexible hoursShift work$130k - $150k per year
...engagement worldwide, and we're looking for an Intermediate Site Reliability Engineer to join our Engineering team. About the job We’re looking... ...team. AI coding agents are a core part of how we build and operate. We use them to write and review Terraform, debug incidents,...SeniorFull timeWork at officeRemote workWorldwide1 day per week$153.82k - $277k per year
...place where you can thrive, we can’t wait to meet you. Site Reliability Engineers (SREs) at Braze are responsible for keeping all internal-facing... ...software engineers, applying sound engineering principles, operational discipline, and mature automation to our production...SeniorPermanent employmentInternshipWork at officeLocal areaRemote workFlexible hoursRotating shift- ...work Job Description We are looking for an experienced Site Reliability Engineer to join a team responsible for the reliability,... ...based services. This role combines hands-on engineering with operational leadership, giving you direct ownership of system availability...SuggestedPermanent employmentWork at officeLocal areaRemote work
$116k - $235.1k per year
...About the Role: Site Reliability Engineering (SRE) at Tubi is not a traditional operations team. We are a software engineering organization that applies a developer's mindset and toolkit to the challenges of building and running large-scale, distributed systems. Our mission...SeniorLong term contractRemplacementFull timeTemporary workWork at officeLocal areaImmediate startFlexible hours2 days per week- ...looking for a Production support Engineer to work for the Commercial Line... ...Work closely with developers, operations teams, and other stakeholders to ensure system reliability and availability.... ...Relevant experience and skills, Seniority and performance, Market and business...Permanent employmentFull timeLocal area
- ...Site Reliability Engineer – Azure Operations, Databricks Support & Incident Response Waterloo or Toronto - Hybrid (Tuesday, Wednesday and Thursday) Job Description As an Intermediate Site Reliability Engineer, you will support and continuously improve enterprise...Permanent employment
- ...We are seeking a Senior Site Reliability Engineer focused on CDN, edge delivery, web performance, and reliability for a high-traffic, public-facing enterprise web platform. The role operates in a regulated enterprise environment and focuses on ensuring availability, performance...SeniorFull time
- ...Senior Site Reliability Engineer - AEM - Content Delivery Network Toronto- 4 Days WFO ABOUT THE ROLE 1. Application Support & Incident Management • Own end-to-end monitoring of the controlled surface: CDN and edge configuration, DNS, certificates, cache...SeniorPermanent employment
$110k - $130k per year
...others, and it defines our culture. About the job As a Site Reliability Engineer II on the Serving Platforms team within Infrastructure... ...infrastructure powering our global business applications. Operating in a high-scale, self-hosted environment, you will serve as...Work at officeLocal areaWorldwideFlexible hours2 days per week$141k - $191k per year
...and develop your career. As an SRE Manager, you will lead a team of 10+ engineers, oversee their development and ensure operational excellence. About the Role: In this opportunity as Site Reliability Engineering Manager , you will be responsible for: Team Leadership...Work at officeLocal areaFlexible hours2 days per week3 days per week$136k - $187k per year
...world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This... ...'re all in on this mission. If you are too, let's talk. Senior Software Reliability Engineer - Data Platform About the Team The Data Platform...SeniorLocal areaWorldwideFlexible hours$120k - $150k per year
...Fitch Group is currently seeking a Senior Service Reliability Engineer to embed with Fitch Ratings development squads in Toronto and to partner with... ...Partner closely with Fitch Ratings Development Squads and Operations to design and advance service builds, automation, AI tooling...SeniorLong term contractTemporary workWork at officeImmediate start2 days per week3 days per week$120k per year
...Site Reliability Engineer (SRE) – Java, Spring Boot, REST APIs & Automation Key Responsibilities: Automation and Reducing Toil: SREs write... ...design resilient architectures and make applications more reliable by design. Required Skills: Primary Qualifications...Permanent employment- ...are looking for a hands-on BI Platform Operations Engineer to provide production operational support... ...working with engineering teams to maintain a reliable and stable production service. For... ...· Manage sites, projects, users, groups, permissions, and...SeniorFor subcontractor
- ...growing our team and looking for contributors of all seniorities. Join Tenstorrent as a Staff Reliability Engineer and help define the reliability strategy behind the... ...hands-on testing at manufacturing and test partner sites, including in Taiwan. Tenstorrent offers a...Permanent employmentInternshipSecond job
- ...hearing aids and cochlear implants. We operate through four businesses - Hearing... ...now for the following position: Senior Project Manager Product Reliability. Overview: As the Senior Project... ...Reporting to the Director Sustaining Engineering, this role is integral to achieving...SeniorFull timeFlexible hours
- ...continuous improvement. As a Senior Project Superintendent , you will lead all field operations for assigned construction... ...is responsible for coordinating site activities, mentoring project teams... ...Construction Management, Civil Engineering, or a related field (or an...SeniorRemote jobLong term contractFull timeContract workFor subcontractorInternship
$105k - $175k per year
...as the largest 100% Canadian-owned and operated professional services firm in our country... ...Summary We are hiring a Senior DevOps Engineer to own and evolve our cloud platform on... ...code, secure multi-account patterns, and reliable delivery. You will shape the DevOps roadmap...SeniorLong term contractPermanent employmentFlexible hours$136k - $187k per year
...are looking for builders and owners who operate with speed and urgency and execute with... ...too, let's talk. Opportunity As a Senior Engineer on the OIG team, you will be involved into... ...system, with a focus on correctness, reliability, and performance Quickly deliver...SeniorLocal areaWorldwide$57k - $102k per year
...And as the largest 100% Canadian-owned and operated professional services firm in our country... ..., triage, and resolution. Support operations including integrations and workflows.... ...developers, and third-party vendors to deliver reliable and effective support. Working in a fast-...Permanent employmentFlexible hours- ...more visit: As a member of Waabi's Operations organization, the Senior Data Analyst will own and evolve the... ...and fragmented reporting into reliable, scalable datasets and automated reporting... ...Data, Statistics, Computer Science, Engineering, or a related field, or equivalent...SeniorFull time
- ...design, content, marketing, and engineering while creating a stronger... ...while improving performance, reliability, maintainability, and the experience... ...experience building and operating production web platforms ~... ...Experience building B2B marketing sites, campaign pages, or reusable...SeniorWork at officeLocal areaFlexible hours2 days per week
$79k - $129k per year
...Job Description ~ The Privacy Operations Engineer bridges privacy compliance and technical implementation, architecting, building, and maintaining the tooling, automation, and data infrastructure that powers the company's global privacy program across UK/EU, US, APAC, and...Work at officeLocal areaFlexible hours$118k - $162k per year
...looking for builders and owners who operate with speed and urgency and execute with... ...evidence that isn't true. The Senior Software Development Engineer in Test Opportunity As a Senior Software... ...Build scale, performance, and reliability tests for large-tenant campaigns,...SeniorLocal areaWorldwide- ...The Team Crypto Product and Engineering is responsible for leading... ...enterprise. The Role As a Senior Crypto Engineer, you will be a... ...results, with minimal guidance. Operate within a positive environment... ...to, an accessible interview site, alternate format documents,...SeniorPermanent employmentFull timeManual laborFlexible hours
- ...Role Overview The Senior Elastic Engineer leads the design, optimization, and strategic evolution... ..., lifecycle management, and operational excellence ~ Support and optimize... ...improve detection coverage, platform reliability, and observability maturity ~ Mentor...SeniorFull time
$72k - $138k per year
...And as the largest 100% Canadian-owned and operated professional services firm in our country... ...typical day look like? The SAP ABAP senior developer is responsible for the design,... ...closely with functional, integration and operations teams to deliver high-quality SAP...SeniorLong term contractPermanent employmentFlexible hoursAfternoon shift$96.56k - $128.74k per year
...world better through trade. Position: Senior Software Engineer, Edge Delivery Services, Design... ...Location: Export Development Canada operates in a hybrid work environment, currently... ..., by seamlessly delivering secure and reliable digital experiences. ~ Define,...SeniorPermanent employmentFull timeContract workSummer workWork at officeRelocation package3 days per week$100k per year
...just a tool for us. it’s the engine powering our growth strategy and... ...we need Reporting to the Senior Manager, Data Engineering and... ...will elevate the performance, reliability, and governance of our cloud-native... ...our organization’s ability to operate from high-quality, trustworthy...SeniorLong term contractFull timeWork at office3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Reliability Site Engineer (Operations). Be the first to apply!
- reliability engineer Toronto, ON
- ingénieur de chantier Toronto, ON
- construction civil engineering Toronto, ON
- building operating engineer Toronto, ON
- construction engineer Toronto, ON
- ingénieur bâtiment Toronto, ON
- construction engineering technology Toronto, ON
- senior administrator Toronto, ON
- senior ruby developer Toronto, ON
- senior sales consultant Toronto, ON

