Senior DevOps Administrator

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Atos

Athens Center of Excellence is seeking for an enthusiastic Senior DevOps Administrator to join our dynamic team.

Implement and maintain CI/CD pipelines to automate building, testing, and deploying software applications. Ensure rapid and reliable software releases;
Continuously improve the development lifecycle of Atos Public Safety products, find commonplaces, and reveal deviations;
Write code to automate repeatable processes as well as accessing RESTFUL APIs;
Maintain tools already in use and introduce others to replace legacy code;
Work with containerization technologies like Docker and container orchestration platforms like Kubernetes to containerize applications and manage container clusters;
Diagnose and resolve issues quickly, whether related to application performance, infrastructure, or deployment pipelines;
Collaborate with development and operations teams to facilitate communication, share responsibilities, and create a culture of collaboration and shared ownership;
Set up monitoring and logging solutions (e.g., Prometheus, Grafana, ELK Stack) to track system performance, troubleshoot issues, and proactively address problems;
Implement security best practices throughout the development and deployment pipeline. Ensure that applications and infrastructure are secure and compliant with relevant standards;
Design & develop solutions which will gradually improve service provisioning and reduce administration & maintenance processes;
Maintain clear and up-to-date documentation of processes, configurations, and best practices.

University degree in Computer Science or Engineering or another relevant field;
3 years’ experience on DevOps or software development;
Practical knowledge of several phases of the application development lifecycle;
DevOps: Git, Jenkins and CI/CD pipelines. Virtualization technologies such as VMware, Docker, Kubernetes, Automation and configuration management (CM) solutions such as Ansible or Saltstack. Terraform, Packer;
Database Management: Basic knowledge of database systems and administration (e.g., MySQL, PostgreSQL databases);
Monitoring and Logging Tools: Knowledge of monitoring and logging tools like: Prometheus, Grafana, ELK Stack (Elasticsearch, Logstash, Kibana), or similar;
Public Cloud Provider: Familiarity with cloud services and platforms like AWS, Azure, or GCP;
Security Practices: Knowledge of security best practices, including access controls, encryption, and vulnerability management;
Operating systems: Solid understanding of Linux/Unix operating systems and command-line tools;
Software Development: Python, Bash, Perl and SQL. Java would be a plus;
Networking: Understanding of networking concepts and protocols;
Collaboration Tools: Experience with collaboration and communication tools such as Slack, JIRA, and Confluence;
Fluency in English (spoken, written).