Full-Time Senior DevOps Engineer
Sigma Software is hiring a remote Full-Time Senior DevOps Engineer. The career level for this job opening is Experienced and is accepting Kraków, Poland based applicants remotely. Read complete job description before applying.
Sigma Software
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Design, implement, and maintain a hybrid infrastructure comprising AWS and on-premises environments, ensuring scalability, high performance, and reliability.
Manage and optimize bare-metal servers and network security appliances for maximum efficiency and security.
Build and maintain automated workflows using Ansible and Terraform, and develop robust CI/CD pipelines with GitHub Actions for efficient software delivery.
Deploy, manage, and optimize Kubernetes clusters (EKS, Kubespray, Rancher) to support containerized applications across a hybrid environment.
Manage databases and configure load balancers to ensure high-performance.
Implement monitoring solutions with Prometheus and Grafana, and manage logging systems to ensure system reliability.
Work closely with international teams to improve system architecture, align technical solutions with business needs, and stay abreast of industry trends such as openRTB and AdTech innovations.
At least 5 years of experience as a DevOps Engineer in managing scalable, high-performance systems.
Strong datacenter experience with bare-metal servers (e.g., Dell R series) and network security systems (e.g., Fortinet).
Extensive experience with Linux, Ubuntu, and CentOS.
Advanced experience in Ansible and AWS with Terraform as IaC.
Hands-on experience in Kubernetes on-premises, EKS/K8s vanilla based on Kubespray/Rancher.
Experienced in the end-to-end management of on-premises Kubernetes environments.
Proficiency with nginx and HAProxy.
Proven experience with CI/CD pipelines using GitHub Actions.
Strong knowledge of SQL and NoSQL systems such as MySQL, Aerospike, Memcache, and Redis.
Understanding of Hadoop, Spark, and Databricks.
Familiarity with Prometheus, Grafana, Loki, and Longhorn.
At least an Upper-Intermediate level of English.
Good communication skills and able to work in a highly collaborative inter-national team environment with a heavy remote structure.
Understanding of openRTB.
Experience with DSP/SSP/Ad exchange.