Performance Engineer

Job title: Performance Engineer

Company: Sun Life Financial


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. Discover how you can make a difference in the lives of individuals, families and communities around the world.Job Description:Job DescriptionWe are looking for a Senior Performance Engineer to join our Performance Engineering team. This is a great opportunity for someone with the right experience to broaden their skills and share their knowledge. We are looking for an experienced individual who can work both as part of a team and individually to meet our client needs.What’s involved?

• Ensuring our applications are performant, reliable and scalable
• Planning, definition, execution and analysis of performance testing strategies and solutions
• Design and implementation of performance testing scripts and tools
• Identification and troubleshooting of application performance issues, providing resolution recommendations to development teams.
• Participate in validation of software releases and hardware upgrades.
• Communicate with Application Development team on application performance issues.
• Be part of shift left performance testing in the CI/CD pipeline delivery
• Work with DevOps team to identify and verify tuning enhancements for applications
• Assist in triage of production performance issues in a fast and efficient manner
• Ability to work on and execute multiple project engagements simultaneously
• Mentor and assist junior members of team, including reviewing and advising on requirements gathering, test design, scripting and analysis

Required QualificationMinimum of a Bachelor’s Degree in Computer Science, Computer Information Systems, or similar accreditation and experience.Required ExperienceSenior level knowledge with in excess of 10 years industry experience in performance engineering practices is required for this role. We are looking for an individual who can take on the responsibility of performance testing engagements and troubleshoot performance issues from the outset. You will need experience with the following:

• 10+ years of experience in Performance Engineering, at least 3 years of which needs to be within a senior role
• LoadRunner, NeoLoad, JMeter, Selenium or similar test automation tools
• Application Performance Management tool experience, such as: Broadcom DXI O2, Dynatrace, AppDynamics, New Relic
• Experience in analysis of production data and modelling of realistic test scenarios
• Ability to build custom tooling to streamline work processes
• Analysis of and identification of performance issues in

• Java applications
• Containerized and serverless environments
• MSSQL, Oracle Databases, DynamoDB and other databases
• Front end applications developed with JavaScript technologies
• UNIX/Linux systems
• Windows Server
• Knowledge of Cloud Computing, specifically AWS
• Experience in troubleshooting network performance issues
• Trend analysis of Performance testing results
• An understanding of security principles and implementing these in performance testing
• Experience with CI/DI tools such as CDD and Jenkins, specifically with integrating performance testing into pipelines
• Creation/Configuration of Synthetic Application Monitoring

Technical Skills: Automated Testing/Scripting, Java, JavaScript, Python or Go, SQL, experience with GIT and/or BitBucket repositories, general IT troubleshooting skills.Desired ExperienceThe following experience is desired but not essential to the role

• Front-Web Web Development experience, specifically using JavaScript
• Configuration and Administration of Apache and Java environments
• Experience with Grafana, Influx DB and Prometheus or similar solutions
• Experience with OTEL
• Experience working in an agile environment

Attributes

• Ability to work on own initiative and own the work assigned to you
• Customer focus, service delivery oriented
• Strong analytical and problem-solving skills
• Strong written and verbal communication skills
• Ability to work on multiple, concurrent testing projects
• Ability to mentor individuals on topics such as Performance Engineering principles and APM utilisation
• Ability to work with cross-functional teams spread over multiple geographic locations
• Desire to learn and seek out challenges
• A curious, investigative mindset — you enjoy solving hard problems and proposing elegant solutions
• Ability to work closely with leadership and communicate insights clearly and confidently
• Comfortable driving initiatives independently and leading teams or functions

Job Category: IT – Application DevelopmentPosting End Date: 17/08/2025

Expected salary:

Location: Waterford

Job date: Sun, 03 Aug 2025 01:05:50 GMT

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