Senior System Engineer - Public Cloud Scalability

As a Senior System Engineer - Public Cloud Scalability at Leaseweb, you will be responsible for designing, implementing, and monitoring our Public Cloud infrastructure. You’ll lead operational improvements, ensure the availability of services, and engage in regular on-call duties. Your role will also include providing 3rd line incident support and identifying solutions for structural problems, all while educating and mentoring your teammates on best practices.

To excel as a Senior System Engineer - Public Cloud Scalability at Leaseweb, candidates should have significant experience with Python or Golang for automation, a strong understanding of Linux operating systems (preferably Ubuntu), and a solid command of virtualization technologies such as KVM and QEMU. Familiarity with configuration management tools like Chef and Kubernetes, as well as experience in managing MySQL and Galera clusters, will be essential for success.

At Leaseweb, the Senior System Engineer - Public Cloud Scalability works within a close-knit team of about 90 engineers divided into small scrum teams. Each team maintains end-to-end responsibility for specific products, creating an environment where collaboration and innovation thrive. You’ll play a key role in leading initiatives within your team, facilitating knowledge sharing, and actively participating in our informal and relaxed workplace culture.

Senior System Engineers at Leaseweb will find an informal and motivating work atmosphere that values independence and entrepreneurship. We operate on a remote-first basis but happily gather in person at our Amsterdam headquarters twice a year. This enables team bonding and collaborative discussions while allowing flexibility and respect for work-life balance.

Yes, Leaseweb offers numerous opportunities for professional development for Senior System Engineers. You will have access to the Leaseweb Academy, a personalized learning platform packed with a variety of studies and trainings. Additionally, the culture promotes mentorship and knowledge sharing, allowing for continuous learning through hands-on experience and collaboration with diverse teams.

When answering this question, give a detailed account of a specific project. Explain the requirements, your design choices, and the technologies you integrated. Highlight how the infrastructure scaled under pressure, improved performance, and met the business objectives.

Discuss various strategies you've implemented to guarantee uptime, such as load balancing, redundancy, and failover mechanisms. Use specific examples to illustrate how you've monitored services and responded to incidents effectively.

Detail your hands-on experience with technologies like KVM, QEMU, or others. Share how you've deployed, managed, and troubleshot these technologies, emphasizing any successful projects or complex issues you resolved.

Provide concrete examples of automation tools you've used, such as Python or Golang scripts. Discuss the tasks automated, the impact on operational efficiency, and any positive outcomes from implementing these automation strategies.

Talk about your experience in handling incidents, including your approach to diagnosing and resolving issues quickly. Mention any specific incidents you've managed and how your actions contributed to improved incident response times.

Discuss tools like Chef or Kubernetes that you've used, highlighting specific applications in your work. Provide examples of how these tools helped in managing configurations consistently and reducing deployment times.

Discuss your practical experience in managing MySQL databases and Galera clusters, detailing how you ensured database reliability and data consistency. Mention any challenges you've faced and how you overcame them.

Explain the monitoring platforms you've worked with, like Prometheus or Nagios. Discuss how you've utilized these tools to maintain system health and performance, using specific instances where monitoring led to proactive issue detection.

Share your strategies for prioritization, such as assessing project impact, urgency, and resource availability. Use examples from previous roles where you successfully managed competing deadlines.

Discuss quality assurance methods such as automated testing, code reviews, and documentation standards. Provide examples of how these techniques have effectively reduced incidents in your previous roles.