dev-ops

Rakuten Symphony

Rakuten Mobile Network is world’s first fully virtualized cloud native network. RAN is completely Open RAN 3GPP compliant design. Horizontal cloud is deployed in Far edge, edge Regional and Central DCs. 4G and 5G services have been launched commercially in Japan. Rakuten is going to bring its network architecture to the world through Symworld. The final goal is to offer telco companies around the world a secure and open mobile network at high speed and low cost. We provide access to Rakuten Mobile’s network design combining virtualization and automation, so that customers can purchase and deploy their network wherever they are in the world. Together with our partners and suppliers, Rakuten Symphony in Germany will establish an end-to-end Service Experience Centre (SxC) to operate the network with a vision of superior customer experience, highest end-to-end service quality and minimal defects. We will Integrate DevOps into the conception of “Mobile as a Software” to proactively plan and build operational stability in the software. Our operating model values lean and agile end-to-end operations processes, close collaboration, and cooperation (teamwork is key!) and a high degree of effectiveness with no duplication of work. The Service Reliability Engineering (SRE) is a central part of our Dev Ops vision and combines software &amp; systems engineering and operations to build and run large-scale, massively distributed, fault-tolerant systems. SRE ensures that Rakuten’s services have reliability, uptime appropriate to customer's needs and a fast rate of improvement. Additionally SRE’s will keep an ever-watchful eye on our systems capacity and performance. Rakuten Symphony is continuously focused on optimizing existing systems, building world class infrastructure and eliminating guesswork through automation. As a junior SRE team, you’ll have the opportunity to manage the complex challenges of scale which are unique to Telco Cloud, while using your expertise in managing complex systems, trend analysis, observability, and large-scale system operations. Together with your team of Service Reliability Engineers you will provide scalable, reliable, durable, and secure Global Cloud services for all our Telecom products hosted on the 1n1 network. You will continuously work with the product organization to automate and optimize for delivering better performance, availability and reliability metrics year on year.The Senior Cloud SRE will be measured on their success to deliver on service availability SLAs and KPIs on a consistent basis and on the ability to eliminate redundancy and drive optimization in Operations. The Senior SRE will work closely with hardware vendors and application vendors, enabling them to seamlessly integrate with Rakuten Cloud platforms.For the Service Experience Center in Europe, we are looking for a passionate, hard-working, and experienced individual in Germany for the role of Junior SRE. The role is based in Düsseldorf. KEY RESPONSIBILITIES: <ul><li>Work with Senior SRE teams for guidance but work independently or with other Junior SREs to research and develop automated solutions.</li><li>Analyze existing ticket backlogs using automated solutions to identify recurring issues and to group tickets into categories.</li><li>Provide feedback related to ticket refinement procedures, especially in the case of automated tickets.</li><li>Work with Senior SREs to create and perform scale and performance testing in non-production environments.</li><li>Assist Engineering teams to development automation for baselining system performance across multi-vendor deployments.</li><li>Deploy system and software level changes into the network while working with the engineering teams to review and optimize those changes.</li><li>Monitor systems and applications for availability and performance and take appropriate action to resolve them.</li><li>Participate in incident response and problem resolution efforts to identify and resolve issues in a timely manner. Create RCAs with the objective of creating automated solutions to address the RCA.</li><li>Assist with designing and implementing strategies to improve the reliability, scalability, and performance of open RAN systems and applications</li><li>Assist with developing and maintaining automation tools and processes to improve system and application deployment, configuration, and management</li><li>Assist with developing and maintaining documentation related to system architecture, design, and operations</li><li>Collaborate with development teams to ensure that systems and applications are designed for reliability, scalability, and maintainability.</li><li>Participate in performance analysis and capacity planning efforts to ensure that systems and applications can handle expected workloads and traffic</li><li>Participate in on-call rotations to provide 24/7 support for critical systems and applications</li><li>Seek out opportunities for professional growth and development through training and mentorship.</li></ul> MINIMUM REQUIREMENTS (Knowledge, Skills, Abilities): <ul><li>To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.</li><li>2+ years of experience in a similar role, or relevant coursework / projects</li><li>Good understanding of Cloud (NVFs and CNFs), Transport and Radio network required to enable mobile network services, e.g. data access, voice calls, TV</li><li>Experience working with cloud platforms such as Openstack, AWS, GCP, or Azure</li><li>Experience with system and network security concepts and best practices</li><li>Experience using multiple flavors of Linux (CentOS, RHEL, Debian)</li><li>Knowledge of IP address management tools, DNS solutions, time sync protocols..</li><li>Knowledge of database management.</li><li>Knowledge of product development and license management</li><li>Knowledge of Kubernetes, Containerization, Docker, Openshift feature and functional testing via MiniKube</li><li>Knowledge of IPv4 and IPv6 network stacks</li><li>Experience managing network, even local network, with the related concepts of default routes, DHCP, etc.</li><li>Programming experience in multiple programming languages (e.g. C, Go, python, scripting)</li><li>Knowledge of YAML formats and the automated creation and processing of those formats</li></ul> QUALIFICATION REQUIREMENTS:<ul><li>Bachelor’s degree in Computer Science or related field</li><li>Ability to communicate written and verbally in English, German language is mandatory</li></ul> RAKUTEN SHUGI PRINCIPLES:Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.<ul><li>Always improve, always advance. Only be satisfied with complete success - Kaizen.</li><li>Be passionately professional. Take an uncompromising approach to your work and be determined to be the best.</li><li>Hypothesize - Practice - Validate - Shikumika. Use the Rakuten Cycle to success in unknown territory.</li><li>Maximize Customer Satisfaction. The greatest satisfaction for workers in a service industry is to see their customers smile.</li><li>Speed!! Speed!! Speed!! Always be conscious of time. Take charge, set clear goals, and engage your team.</li></ul>

Junior Service Reliability Engineering (SRE) (f/m/x)

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