COSMOTE Global Solutions NV is seeking a highly skilled Senior DevOps Engineer to join our dynamic team. As a Senior DevOps Engineer, you will play a crucial role in bridging the gap between development and operations to enable efficient and reliable delivery of software products. You will be responsible for designing, implementing, and maintaining CI/CD pipelines, automating infrastructure provisioning, monitoring system health, and ensuring security compliance across our cloud and on-premise environments.
Key Responsibilities:
- Manage Change, Incident, Problem, Deployment, and Release processes
- Define, implement, and maintain EIB release and deployment processes
- Act as coordinator within IT Service Management (ITSM) processes
- Package and document releases in line with EIB policies
- Provide day - to - day operational support activities
- Take ownership of requests and incidents, acting as Single Point of Contact for IT users and, where applicable, GIS/BTS departments
- Monitor, follow up, and ensure resolution of issues
- Identify opportunities for improvement and automation of processes
- Produce, review, and maintain operational documentation
- Support Root Cause Analysis (RCA) investigations
- Configure and maintain applications and tools across all technical layers
- Use DevOps tools to support CI/CD processes
Requirements
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Minimum 7 years of experience in DevOps or related roles.
- The consultant must demonstrate knowledge in:
- DevOps methodologies and release management
- ITIL best practices (incident and release management)
- Enterprise databases (Sybase ASE, Oracle)
- Scripting and programming (Bash, Groovy, Python, Java or equivalent)
- Web and middleware technologies (Tomcat, Nginx, Apache, JBoss EAP)
- Version control and DevOps ecosystem (GitHub incl. Copilot, Azure DevOps)
- Enterprise platforms and tools (Jenkins, Nexus, SonarQube, Jira DC/Cloud, Matomo, Codescene)
- The consultant must demonstrate competence in:
- End-to-end management of enterprise platforms in on premise environments
- Continuous improvement and automation of operational processes
- Release planning, coordination, and execution
- Incident handling, analysis, and resolution ownership
- Risk and impact assessment
- Effective follow up, coordination, and issue tracking
- System, application, and architecture troubleshooting
- Performance monitoring and debugging (Linux/Windows)
- Database and middleware operations (Oracle, Sybase, JBoss)
- Use of DevOps toolchains to support CI/CD delivery
- Clear communication and collaboration across teams
Skills Required
- Bachelor's or Master's degree in Computer Science, Engineering, or related field
- Minimum 7 years of experience in DevOps or related roles
- DevOps methodologies and release management knowledge
- ITIL best practices (incident and release management)
- Enterprise databases: Sybase ASE, Oracle
- Scripting and programming: Bash, Groovy, Python, Java (or equivalent)
- Web and middleware technologies: Tomcat, Nginx, Apache, JBoss EAP
- Version control and DevOps ecosystem: GitHub (incl. Copilot), Azure DevOps
- Enterprise platforms and tools: Jenkins, Nexus, SonarQube, Jira DC/Cloud, Matomo, Codescene
- End-to-end management of enterprise platforms in on-premise environments
- Continuous improvement and automation of operational processes
- Release planning, coordination, and execution
- Incident handling, analysis, and resolution ownership
- Risk and impact assessment, follow up and issue tracking
- System, application, and architecture troubleshooting; performance monitoring (Linux/Windows)
- Database and middleware operations (Oracle, Sybase, JBoss)
- Use of DevOps toolchains to support CI/CD delivery
- Clear communication and collaboration across teams
What We Do
COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services. CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services. OTE Group: OTE Group is the largest technology provider in Greece. It is one of the top three listed companies with respect to capitalization, in the Athens Stock Exchange. Deutsche Telekom holds 46.9% of OTE’s share capital and the Greek State holds 5.6%. Find More about OTE Group Our Vision: We digitize societies so that everyone can live and enjoy at the fullest all possibilities offered now while also building on them for a better tomorrow. Our Mission: • We bring the best communication services to our customers • We connect people • We entertain • We help businesses grow. • We are leaders, pioneers, pillar of the economy and society • With passion, faith and commitment • We constantly strive to become better on all fronts • We have a positive impact on society and the environment
