OpenShift Administrator

6 miesięcy temu

Warsaw, Polska ARHS Pełny etat

OpenShift Administrator

Full-time

Company Description

Arηs is a fully  independent  group of companies specialized in managing complex  IT projects and systems  for  large organisations , focusing on state-of-the-art software development, digital trust, cloud, data science, mobile development, machine learning and infrastructure services.

We are composed of 16 entities across 8 countries worldwide that are unified by the Arηs Group, with more than 2500 consultants. This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle.

Job Description

Managing & Maintaining OpenShift Infrastructure - multiple OpenShift clusters to manage across virtual, and cloud environments (installation, configuration, upgrades etc.) Researching and implementing ways to automate the management of our infrastructure Monitoring and optimizing system performance, capacity, and availability of the OpenShift environment. Troubleshooting and resolving issues related to container orchestration, networking, storage, security, and other aspects of the OpenShift environment. Taking part in standby duty (on-call rotation) for 24/7 support for critical production systems. Collaborating closely with other teams in DOS Sector (infra, networks, systems etc.) Developing and implementing best practices for deploying and managing containerized applications using Red Hat OpenShift. Creating and maintaining documentation for operational processes, procedures, and configurations. Supporting development teams across our growing development, UAT, and production environments on OpenShift Supporting OpenShift AppDev (ie. containerizing apps and moving them onto OpenShift).

Qualifications

Bachelor plus a minimum of 3 years of relevant professional experience Presents excellent command of English, at least at B2 level Minimum 3 years experience as a Linux system administrator, preferably with Red Hat Enterprise Linux (RHEL) Minimum 3 years experience directly working in an OpenShift environment. Knowledge of cloud technologies, such as Microsoft Azure or Amazon Web Services (AWS), and experience with cloud-based deployments. Experience in managing multiple OpenShift clusters in virtual and cloud environments Experience with database administration (e.g., MySQL, PostgreSQL). Expertise in container orchestration frameworks such as OpenShift Expertise in troubleshooting issues relating to various aspects of the OpenShift environment (orchestration, storage, security etc.) Expertise in monitoring and optimizing system performance, capacity and availability in an OpenShift environment Strong scripting and automation skills, with proficiency in Bash, Python, or similar languages. Strong automation skills with proficiency in Ansible Valid Red Hat Certified System Administrator or Red Hat Certified System Engineer certification Valid Red Hat Certified OpenShift Administrator certification Works unassisted and guides, junior staff Very strong sense of responsibility - Accuracy and attention to details Open-minded, excellent troubleshooting, analytical and problem-solving skills Very good organizational skills Very good communication skills Supportive and helpful personality with a cooperative and service-oriented attitude Ability to work in a stressful environment with minimal supervision Forward-looking with a holistic approach High level of motivation and initiative

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