DevOps Engineer (DevOps Team) w Warszawa, Polska

Are you passionate about building scalable infrastructure and driving automation? We are looking for a DevOps Engineer to join our high-performing DevOps team at Sigma Software. You will work alongside more than 30 talented specialists, applying industry best practices and modern methodologies to deliver top-quality solutions. At Sigma Software, we value innovation, professional growth, and collaboration. Joining us means access to diverse projects, cutting-edge technologies, and a supportive environment where you can take ownership and make a real impact. RESPONSIBILITIES Participate in environment and architecture planning Drive automation of CI/CD pipelines and other project processes Optimize existing environments and infrastructure structure Recommend new technologies and procedures to enhance service availability and management Troubleshoot production system and network issues related to performance and functionality Support and maintain existing environments Consult development teams on infrastructure-related questions REQUIREMENTS More than 3 years of hands-on experience as a DevOps Engineer At least 3 years of production experience with AWS AWS Professional-level certification (e.g., Solutions Architect — Professional and/or DevOps Engineer — Professional) Strong Linux administration and networking skills Strong scripting and coding skills with Bash, Python, and/or Go Experience with CI/CD tools At least 2 years of practical experience with Kubernetes Good understanding of relational and NoSQL databases Proven experience with configuration management tools and Infrastructure as Code Deep understanding of the observability stack At least an Upper-Intermediate level of English WILL BE A PLUS Hands-on experience with Azure and/or GCP Experience with GitOps and noOps approaches Expertise in OpenShift and AWS ECS Familiarity with serverless models Experience working on multiple projects simultaneously PERSONAL PROFILE Proactive, ownership-oriented mindset Strong problem-solving skills Ability to work collaboratively in large teams Comfortable working in a dynamic, fast-paced environment