Deployed and managed various applications and products on AWS, ensuring high availability and scalability. Utilized Terraform to define, provision, and manage AWS infrastructure as code, ensuring consistent environments across multiple stages. Employed Ansible for configuration management, automating repetitive tasks and maintaining consistent configurations across all servers. Leveraged ArgoCD for continuous delivery to Kubernetes, ensuring automated and consistent deployments of applications. Implemented CI/CD pipelines using Jenkins and GitLab CI, improving the development workflow and reducing deployment times. Managed source code repositories using Git and GitLab, ensuring efficient version control and collaboration among development teams. Conducted code reviews and provided guidance on best practices for branching, merging, and release management. Implemented security best practices across AWS resources, including IAM policies, encryption, and network security configurations. Conducted regular security assessments and audits to identify and mitigate potential vulnerabilities. Responded to various customer requests, providing expert solutions for security, infrastructure setup, and performance optimization. Collaborated with clients to understand their requirements and deliver tailored solutions that align with their business goals.

Design, architecture and leading of an open source based (ansible, AWX, nginx, misc applications) Automation suit to achieve full automation of release upgrades and components scratch installation including: - RHEL 5/6/7 - AIX 6/7 - VMware - Oracle VM - IBM Spectrum - Oracle Server - WebLogic - Propriate software - etc Automation suite is hosted in GitLab and built with GitLab CI/CD as a PaaS installer suitable for installation in RHEL

Deployment, support and operations of Comverse Real Time and Full Converged Billing System for different customers such as Vimpelcom Russia and CIS, Hot Mobile, Jersey Telecom, etc. Deploying first of a kind hardware and software solutions.

Deployment, support and provisioning of Comverse Real Time Billing System, Comverse ONE Converged Billing. RTBS contains the following platforms and technologies: Oracle databases, Cisco equipment, Linux, Unix, AIX, Windows platforms hosting on IBM, HP and Comverse proprietary servers. Providing tests, network integration and customer acceptance tests. Communicating with customer and coordinating the field deployment schedules and plans, leading deployment activities.

24/7 support and administration of services ММС, Push-To-Talk, Chat, WAP. Administration unix-, linux-, HP-UX-, solaris-servers, configuration cisco switches and routers, load balansers Cisco Content Switch and BIG-IP F5. Cooperation with vendors.

- full control on alarm messages from various equipment (Service Platforms, Switching Subsystem, IT); - in case of accident find the problem and troubleshoot it; - help to partners in localizing and solving troubles, e.g. other regions, content providers, etc; - analyzing statistic information; - working with customers' claims; - testing services after changes in hardware/software.

Setting up computers and local networks, construction and installation of communication cables, cooperation with suppliers of equipment, configuration digital ATS

Golden WiFi network management, configuring Cisco routers and switches, wireless access points Nortel; cooperation with contractors and third-party operators, network monitoring, decision-making on client's problems.