Performance Engineer
Chelmsford , Massachusetts
January 17, 2017
Corporate Overview:

Kronos is the global leader in workforce management solutions that enable organizations to control labor costs, minimize compliance risk, and improve workforce productivity. Tens of thousands of organizations in 100 countries - including more than half the Fortune 1000 - use Kronos time and attendance, scheduling, absence management, HR and payroll, hiring, and labor analytics applications. Kronos customers include enterprises large and small across diverse industries worldwide including retail, hospitality, healthcare, manufacturing, public sector, services, and distribution.

Kronos is a privately held company and was founded in 1977. Headquartered in Chelmsford, Massachusetts, Kronos employs more than 4,000 people worldwide.

Kronos is proud to be an equal opportunity employer and is committed to maintaining a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.


The Senior Performance Engineer will be a member of a Global Performance Team and will have the following responsibilities:

  • Strong Performance engineering concepts, strong aptitude for Performance test planning, identifying performance requirements/targets, test prioritization, schedule/environment/issue management
  • Strong/extensive hands on experience in performance testing/execution
  • Strong aptitude towards performance investigation, troubleshooting, sharing reports/insights
  • Experience as consultant or working in a client-facing role
  • Test development experience with strong problem solving skills, fluent/aptitude for coding
  • Performance engineering experience such as, instrumentation/APM (dynaTrace), mocking/service virtualization, insights/reporting
  • Experience in modeling/simulation of complex scenario and comprehensive end to end automation
  • Continuous Load/Test automation development experience
  • Experience with MSMQ, NServiceBus, SOA, POS, Integration Services, App Fabric, Content Management System (CMS) (Sitecore, Tridion), Cloud computing environment (VMWare, AWS, Azure), load balancers (F5, AWS), NoSQL, Fiddler/Charles Proxy, Splunk/Tableau
  • Continuously monitor the results of performance issues that arise from the field as well as internally found items
  • Proactively update and document best practices for the application and its enhancements
  • Provide suggestions for improvement in Development or Testing practices to increase efficiency
  • Review development designs and requirements to inform the appropriate parties of potential performance implications of the new enhancements
  • Work with the Product Management teams to develop and enhance Customer based performance scenarios; and to set testing criteria to meet or achieve these standards as future versions are released


  • B achelor's degree in Computer Science and Engineering, or related discipline, or equivalent work experience
  • 10 - 15 years of Experience in Software Development / Testing
  • 7+ years' experience in Performance Testing
  • Experience in Selenium /Git / Load Testing / Controller/Agents is preferred, but will consider candidates with strong experience in HP Load Runner, open source / Java tools, or other environment
  • Experience with Web Services (REST API, Soap API), Web/Mobile applications, IIS, SQL Server, Perfmon
  • Experience with multiple Database management systems preferably both Oracle and SQL server
  • Experience in testing browser and servers side performance including profiling tools
  • Demonstrated ability to work in a cross geographical team
  • Demonstrated ability to communicate and define best practices for performance

A little about us:
At Kronos, we believe great businesses are powered by great people.

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