Strong Middle DevOps Engineer

We are seeking a Strong Middle/Senior DevOps Engineer to join our professional and dynamic team to contribute to exciting and challenging projects. The platform is a high-traffic web service handling tens of millions of requests per day, with a data pipeline processing 50M+ user events daily that feeds both customer-facing analytics and billing. It runs on self-managed infrastructure across two datacenters, with a mix of long-lived legacy components and an active modernization program. Key Responsibilities: ● Collaborate closely with developers to prototype and design new infrastructure and platform features. ● Deploy, install, configure, and maintain sophisticated client software across various environments. ● Build and maintain CI/CD jobs and pipelines. ● Make key decisions to ensure systems' scalability, reliability, and accessibility. ● Install and manage both in-house-developed and widely used monitoring systems. ● Design, deploy, and configure cloud-based servers; provision networks and storage; and manage firewalls, VPNs, and monitoring tools. ● Administer Linux/Cloud infrastructure, including installation, configuration, and maintenance. ● Stay up to date on technology trends and identify promising solutions that meet the company's requirements. ● Create technical support documentation and provide hands-on troubleshooting and consulting to customers. Qualifications: Must-have skills: ● At least 3 years of experience as a DevOps Engineer. ● Experience with microservices architecture. ● Experience in scaling secure infrastructures with no single points of failure. ● Strong experience with OS-level administration on Linux and UNIX systems (FreeBSD, Debian, Ubuntu, CentOS, etc.). ● Hands-on scripting experience with Bash, Python, or Go. ● Experience with Infrastructure as Code and tools such as Terraform, Terragrunt, Terraform Enterprise, and AWS CloudFormation. ● Experience with Configuration as Code and tools like Ansible, AWX. ● Experience with container orchestration platforms - Kubernetes (on-premise self- hosted / cloud-based cluster deployments) ● In-depth knowledge of TCP/IP and the ISO/OSI stack. ● Experience with monitoring and logging tools such as Prometheus, Loki, Zabbix, Elasticsearch/OpenSearch, Grafana, and Kibana. ● Experience with cloud providers (AWS, Azure, GCP). ● Experience with bare-metal servers and on-premises infrastructure. ● Proven ability to establish and improve monitoring, logging, and alerting frameworks to quickly detect and resolve issues. ● Experience working with web servers and proxies such as Apache, Nginx, HAProxy, Envoy. ● Experience with queue brokers like RabbitMQ. ● Experience in deploying and managing PHP applications. ● Familiarity with CI/CD pipelines and tools like GitHub Actions, GitLab CI, BitBucket Pipelines, etc. ● Understanding of GitOps principles and experience with ArgoCD / Argo Workflows tools. ● Experience with Redis. ● Experience with SQL and NoSQL databases, including PostgreSQL / MySQL / MariaDB, and Elasticsearch/OpenSearch. ● Strong problem-solving skills with code and scripting. ● Ability to read and analyze errors effectively. ● Proficiency in English (B2+). Nice-to-have skills: ● Experience with FreeBSD administration in a production environment. ● CKA/CKAD or other Kubernetes-related certification would be a significant plus. What we offer: Official B2B contract with a Canadian Company; Compensation for medical insurance (for our employees based in UA); Flexible working hours (start at 8.00-11.00 o'clock); Weekends according to the Ukrainian/Local calendar; Engaging projects with opportunities for career growth; Certifications, Udemy courses, Claude; Corporate events, team-building activities, Gifts and recognition from the company; A friendly, open, and supportive team culture without excessive bureaucracy.