• Implementation and maintenance of automated development, testing, and code delivery processes using GitLab CI.• Creating and managing infrastructure based on Kubernetes, with a focus on the "infrastructure as code" principle using Terraform.• Developing and maintaining Ansible roles and playbooks for automating system administration tasks and server configurations.• Participating in code and product reviews with an emphasis on security, fault tolerance, and resource optimization.• Developing tools and scripts to reduce recovery time after failures and ensure system reliability.• Optimizing and scaling Docker containers using Docker Compose and Docker Swarm.• Managing and automating configurations using the Kubernetes container orchestration system.

1. Preparing test data and configuring testing environments 2. Developing and supporting tests (golang) 3. Creating and developing scenarios for performance testing (golang, python) 4. Setting up a test environment (gitlab-ci, bash, docker) 5. Collecting metrics and creating alerts based on metrics (prometheus) 6. Developing of auxiliary utilities necessary for the testing process (python, golang).

1. Planning and doing functional, regression, integration and other types of testing. Designing tests and maintaining their documentation 2. Reproducing bugs and problems experienced by users 3. Maintaining and deploying applications to K8s 4. Analysis of production incidents

1. Manual testing of the ISPmanager 5 server web control panel on various Linux operating systems (CentOS, CloudLinux, Debian, Ubuntu distributions), including the following subsystems: a. Web modules: installing and configuring Apache (Prefork/ITK)/Nginx web servers, verifying the creation and configuration of web domains b. Traffic and system resource statistics c. Databases (MySQL, PostgreSQL, SQLite) d. Mail (sending/receiving mail, setting up mail domains and mailboxes) e. Scheduler f. SSL certificates g. FTP j. Integration with third-party services (Let's Encrypt, DDoS-Guard, etc.) h. Integration with KVM and OpenVZ virtualizations i. Integration with docker containersk. Firewall (blocking countries, adding rules to iptables) 2. Test design and test documentation maintenance 3. Communication with the users 4. Communication with other teams (tech support, product manager) 5. Management of tasks between employees