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Red Hat Principal Software Engineer - OpenShift/Kubernetes Performance & Scale in Ireland

About the Job

The Red Hat Performance and Scale Organization is looking for an experienced Principal Engineer to join our OpenShift Platform Performance and Scale Team. This strategic role will require you to demonstrate strong technical leadership, drive roadmap development, and take ownership of testing, measuring, and analyzing the performance and scalability of Red Hat OpenShift. As the leading application modernization platform built on Kubernetes, OpenShift powers a wide variety of customer use cases, and you'll play a key role in ensuring that it meets the demands of these diverse applications.

This role will concentrate on performance and scalability testing of features and solutions aimed at ensuring that Red Hat OpenShift meets customer needs at every stage of their journey, whether they're migrating legacy systems or modernizing applications. The engineer will leverage their knowledge of software engineering, distributed systems, operating systems, containers, Kubernetes and hardware performance to theorize bottlenecks and limitations, devise test plans, develop tech frameworks, execute workloads, collect and analyze data, and communicate findings. This role will require the ability to work cross-functionally with product management, engineering leadership, development teams, and quality engineers to measure performance, clearly articulate findings, and address bottlenecks. Time will also be spent collaborating with software engineering teams on bug fixes, code optimization, and resource usage reduction, as well as developing open-source tools for the reliability and repeatability of tests. This is a unique opportunity to work at the intersection of cutting-edge hardware and software!

The broader mission of the Performance and Scale organization is to establish performance and scale leadership across the Red Hat product and cloud services portfolio. The scope includes component-level, system, and solution analysis and targeted enhancements. The team collaborates with engineering, product management, product marketing, customer support, and Red Hat’s hardware and software ecosystem partners.

What You Will Do

  • Work closely with management, product owners, developers, and quality engineers to understand product requirements and architect test plans to meet the roadmap requirements of OpenShift, its operators and layered products

  • Develop sophisticated tests that simulate user workloads through comprehensive end-to-end automation, leveraging custom-built and state-of-the-art open-source tools and frameworks.

  • Collaborate closely with key stakeholders and senior management to ensure alignment of team resources and capacity with the incoming testing requirements, in line with product delivery timelines.

  • Deep dive into performance issues with the intent of discovering their root causes in complex distributed systems.

  • Design and develop monitoring and reporting tools for performance and scale tests and analysis.

  • Document your research and results clearly and concisely, and communicate findings both internally and externally.

  • Engage in upstream communities to help test performance and scale early and influence design and development decisions.

  • Triage, debug, and root cause customer issues related to OpenShift performance and scale.

  • Present your work and findings at internal and external conferences.

What You Will Bring

  • Master’s Degree in Computer Science or a related field with 5+ years of relevant experience, or a Bachelor’s Degree in Computer Science or a related field with 7+ years of relevant experience.

  • Demonstrable experience, understanding, and passion for performance engineering.

  • Working knowledge of Kubernetes or OpenShift.

  • Strong programming, debugging, and profiling skills in Python and/or Golang.

  • Hands-on experience with performance measurement, analysis, and optimization.

  • Experience with distributed systems.

  • Very strong Linux system administration and system engineering skills.

  • Solid scripting skills, particularly with Bash, Python, or Ansible.

  • Experience working with public clouds like AWS, Azure, GCP, or IBM Cloud, as well as bare metal environments.

  • Experience analyzing and interpreting large volumes of test results and succinctly communicating findings through easy-to-understand graphs/charts.

  • Experience with collaborative software development methodologies, tools, and version control.

  • Knowledge of statistical analysis and experimental design techniques.

  • Excellent communication and interpersonal skills.

  • Ability to work independently and proactively seek collaboration.

The Following Are Considered a Plus:

  • Experience with container technologies like Podman or Docker, and familiarity with building container images.

  • Experience with system performance engineering and metrics collection tools like iostat, vmstat, sar, perf, and Prometheus.

  • Experience with monitoring and dashboarding tools like Prometheus and Grafana.

  • Experience testing different network adapters and hardware offload technologies.

  • A demonstrated history of contributing to open-source projects.

  • Presentation skills and public speaking abilities for conferences and demonstrations.

About Red Hat

Red Hat (https://www.redhat.com/) is the world’s leading provider of enterprise open source (https://www.redhat.com/en/about/open-source) software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work environments, from in-office, to office-flex, to fully remote, depending on the requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems, and make an impact.

Diversity, Equity & Inclusion at Red Hat

Red Hat’s culture is built on the open source principles of transparency, collaboration, and inclusion, where the best ideas can come from anywhere and anyone. When this is realized, it empowers people from diverse backgrounds, perspectives, and experiences to come together to share ideas, challenge the status quo, and drive innovation. Our aspiration is that everyone experiences this culture with equal opportunity and access, and that all voices are not only heard but also celebrated. We hope you will join our celebration, and we welcome and encourage applicants from all the beautiful dimensions of diversity that compose our global village.

Equal Opportunity Policy (EEO)

Red Hat is proud to be an equal opportunity workplace and an affirmative action employer. We review applications for employment without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, citizenship, age, veteran status, genetic information, physical or mental disability, medical condition, marital status, or any other basis prohibited by law.

Red Hat does not seek or accept unsolicited resumes or CVs from recruitment agencies. We are not responsible for, and will not pay, any fees, commissions, or any other payment related to unsolicited resumes or CVs except as required in a written contract between Red Hat and the recruitment agency or party requesting payment of a fee.

Red Hat supports individuals with disabilities and provides reasonable accommodations to job applicants. If you need assistance completing our online job application, email application-assistance@redhat.com . General inquiries, such as those regarding the status of a job application, will not receive a reply.

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