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.

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