Performance Engineer

11 hours ago


Waterford, Waterford, Ireland Sun Life Full time

Job Description We 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 scalablePlanning, definition, execution and analysis of performance testing strategies and solutionsDesign and implementation of performance testing scripts and toolsIdentification 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 deliveryWork with DevOps team to identify and verify tuning enhancements for applicationsAssist in triage of production performance issues in a fast and efficient mannerAbility to work on and execute multiple project engagements simultaneouslyMentor and assist junior members of team, including reviewing and advising on requirements gathering, test design, scripting and analysisRequired 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 roleLoadRunner, NeoLoad, JMeter, Selenium or similar test automation toolsApplication Performance Management tool experience, such as: Broadcom DXI O2, Dynatrace, AppDynamics, New RelicExperience in analysis of production data and modelling of realistic test scenariosAbility to build custom tooling to streamline work processesAnalysis of and identification of performance issues inJava applicationsContainerized and serverless environmentsMSSQL, Oracle Databases, DynamoDB and other databasesFront end applications developed with JavaScript technologiesUNIX/Linux systemsWindows ServerKnowledge of Cloud Computing, specifically AWSExperience in troubleshooting network performance issuesTrend analysis of Performance testing resultsAn understanding of security principles and implementing these in performance testingExperience with CI/DI tools such as CDD and Jenkins, specifically with integrating performance testing into pipelinesCreation/Configuration of Synthetic Application MonitoringTechnical 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 roleFront-Web Web Development experience, specifically using JavaScriptConfiguration and Administration of Apache and Java environmentsExperience with Grafana, Influx DB and Prometheus or similar solutionsExperience with OTELExperience working in an agile environmentAttributesAbility to work on own initiative and own the work assigned to youCustomer focus, service delivery orientedStrong analytical and problem-solving skillsStrong written and verbal communication skillsAbility to work on multiple, concurrent testing projectsAbility to mentor individuals on topics such as Performance Engineering principles and APM utilisationAbility to work with cross-functional teams spread over multiple geographic locationsDesire to learn and seek out challengesA curious, investigative mindset — you enjoy solving hard problems and proposing elegant solutionsAbility to work closely with leadership and communicate insights clearly and confidentlyComfortable driving initiatives independently and leading teams or functionsJob Category:IT - Application DevelopmentPosting End Date:24/08/2025


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