DevOps Engineer

iKnowHow Group is a dynamic, international technology company with 24+ years of experience and a team of 300+ talented professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and the Public Sector. Through its specialized subsidiaries, it brings domain expertise in areas such as Health and Robotics—blending deep industry knowledge with advanced, future-ready technologies. At its core, iKnowHow S.A. delivers end-to-end project development - both internal and client-facing - turning strategy into scalable, real-world solutions. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, enabling leading organizations across the public and private sectors to evolve and grow. We are now looking for a talented DevOps Engineer to work in new challenging outsourced projects. Responsibilities: - Design, develop, maintain, and optimize CI/CD pipelines using Jenkins. - Administer and support Red Hat OpenShift environments, including application deployments, configuration, scaling, troubleshooting, and operational maintenance. - Manage source code repositories and development workflows using GitHub. - Administer and maintain SonarQube for static code analysis, code quality monitoring, and quality gate enforcement. - Manage Nexus Repository for artifact storage, dependency management, and software distribution. - Maintain monitoring and visualization solutions using Grafana. - Support centralized logging and log analysis using the ELK Stack (Elasticsearch, Logstash, Kibana). - Troubleshoot CI/CD failures, deployment issues, application performance problems, and infrastructure-related incidents. - Establish and maintain DevOps best practices for automation, release management, environment configuration, and operational support. - Collaborate with development and infrastructure teams to improve deployment reliability, system observability, and operational efficiency. - Support continuous improvement initiatives, including automation of repetitive tasks and enhancement of deployment and monitoring processes. - Contribute to technical documentation, operational procedures, and knowledge sharing within the team. Requirements - Bachelor’s degree in Information Technology, Computer Science, or related field (preferred). - At least 3 years of experience in equivalent role. - Strong hands-on experience in developing and maintaining Jenkins pipelines. - Practical experience in Red Hat OpenShift administration and Kubernetes-based container platforms. - Experience with GitHub, including repository management, branching strategies, and source code integration. - Experience with Nexus Repository Manager for artifact and dependency management. - Hands-on experience with SonarQube configuration, code analysis, and quality gates. - Experience implementing and supporting monitoring and observability solutions using Grafana. - Experience with the ELK Stack for centralized logging, searching, analysis, and troubleshooting. - Strong scripting and automation skills, preferably using Bash, Python, or similar technologies. - Good understanding of Linux administration, networking fundamentals, containerization, and application deployment architectures. - Experience troubleshooting complex technical issues across build, deployment, monitoring, and runtime environments. - Familiarity with CI/CD security practices, access control, secrets management, and software delivery best practices. - Strong analytical and problem-solving skills, with the ability to work independently and collaboratively Nice to Have: - Experience with IBM App Connect Enterprise (IBM ACE), particularly deployment, configuration, and operational support in containerized OpenShift environments. - Experience with IBM Cloud Pak for Integration (CP4I). - Familiarity with enterprise middleware, API integration, and distributed application architectures. - Experience with GitOps practices and tools such as Argo CD. - Knowledge of Infrastructure as Code (IaC) tools such as Ansible or Terraform. - Experience with release management processes and enterprise application delivery. Benefits - An attractive salary package - Private health insurance plan - Career development and growth opportunities - Continuous training via personalized seminars - An amazing private & open-office workspace in Athens #LI_Hybrid - Stable and enjoyable working environment