DevOps Engineer

As a DevOps Engineer at OSL Group Limited, you will be responsible for maintaining a large-scale server environment on AWS, developing IaC solutions using Terraform, implementing Kubernetes for container orchestration, and automating deployments with tools like Ansible. Additional tasks include writing scripts in Python and Bash, managing CI/CD pipelines, and ensuring a robust disaster recovery plan is in place to enhance service uptime.

Candidates for the DevOps Engineer position at OSL Group Limited should have 5-10 years of experience in either DevOps or Site Reliability Engineering. Expertise in GitLab CI/CD pipelines, proficiency with Kubernetes, and strong capabilities in Terraform are essential. Experience with configuration management using Ansible is preferred, as well as programming skills in Python and Bash. Familiarity with AWS cloud platforms is a must, and AWS Cloud certifications will offer an added advantage.

At OSL Group Limited, a DevOps Engineer should be comfortable with a variety of tools and technologies. Familiarity with AWS is crucial, along with experience in Infrastructure as Code using Terraform and automation tools such as Ansible. Proficiency in container orchestration with Kubernetes, along with programming skills in Python and Bash, are also very important to enhance operational efficiencies and support application deployment.

At OSL Group Limited, ensuring high availability and disaster recovery strategies is a top priority for the DevOps Engineer. You'll work on designing and implementing systems that minimize downtime, establish failover procedures, and conduct regular testing of the disaster recovery plan. Utilizing cloud resources efficiently, along with automated monitoring and alerting systems, will play a vital role in maintaining continuity of service.

The working environment for a DevOps Engineer at OSL Group Limited is dynamic and collaborative. You will be part of an innovative fintech team that values creativity and efficiency. The company fosters a culture of learning and adaptation to new technologies, allowing engineers to grow in their careers while contributing to major projects that shape the future of digital assets.

When answering this question, it's vital to detail specific projects where you've implemented Terraform. Discuss how you were responsible for provisioning and managing cloud resources, and highlight any challenges faced, along with how you overcame them. This provides insight into your practical knowledge and problem-solving abilities.

In discussing your automation strategies, mention specific tools like Ansible and GitLab CI/CD pipelines you're experienced with. Explain your approach towards continuous integration and deployment, detailing the steps you take to ensure the deployment process is streamlined and efficient.

Explain the methodologies you've used for analyzing cloud costs, including any tools or processes that helped you identify waste. Emphasize any successes you've had in optimizing expenses by reconfiguring resources or implementing cost-reduction measures, which showcases your analytical skills.

When answering, outline key components such as regular backups, failover mechanisms, and recovery testing. Provide examples from your past experience where you applied these elements, explaining how you ensured high availability and resilience in system architectures.

Discuss your practical experience deploying and managing applications using Kubernetes. Be ready to describe how you orchestrated microservices and the challenges you faced with scaling, service discovery, and managing stateful applications.

When asked this question, highlight the importance of monitoring and logging within CI/CD processes. Discuss how you automate testing and maintain pipeline code to ensure that issues can be detected early and deployments are smooth.

Scripting is crucial in DevOps for automation and operational efficiency. Talk about how you've developed custom scripts in Python and Bash to solve specific problems, automate repetitive tasks, or enhance monitoring capabilities, and share examples of the impact these scripts had.

Emphasize the importance of communication and collaboration in a DevOps culture. Share examples of how you've worked closely with development teams to ensure that deployment processes are aligned with development cycles and address any friction points that arise.

Provide a clear explanation of IaC as a methodology to manage and provision computing infrastructure through machine-readable scripts. Discuss its benefits, such as consistency, repeatability, and reducing configuration drift, and how it enhances collaboration between development and operations teams.

Outline your systematic approach to troubleshooting. Mention logging and monitoring tools you use, how you isolate the problem, and your method for testing potential fixes. Sharing a specific example will illustrate your process and highlight your problem-solving abilities.