As the Head of IT Infrastructure and Operations, I have a responsibility to design and maintain the technological backbone of my company. This position expects a strategic thinker and hands-on leader to manage complex IT environments and drive innovation. Some of my key responsibilities include:Leadership: I lead, guide, and direct the IT infrastructure and operations teams to achieve operational excellence.Policy Development: I design and enforce IT policies, procedures, and standards.Network Management: I oversee the design, implementation, and management of the organization's network infrastructure.Data Center Management: I manage data center operations, including servers, storage, and backup systems.Cloud Services: I direct and manage the deployment and management of cloud-based infrastructure and services.System Administration: I ensure the proper and efficient running and administration of IT systems and platforms.Performance Monitoring: I monitor and optimize IT system performance, availability, and capacity.Incident Management: I respond to IT incidents and outages, ensuring they are resolved quickly with minimal impact on business operations.Security Management: I maintain robust security measures to protect IT infrastructure.Risk Management: I identify and mitigate risks associated with IT infrastructure and operations.Vendor Management: I negotiate and manage relationships with external vendors and service providers.Continuous Improvement: I lead continuous improvement activities in IT infrastructure and operations to maximize efficiency.Staff Management: I attract, develop, and retain staff for the IT infrastructure and operations team.Stakeholder Engagement: I communicate with business stakeholders to understand their needs and align IT infrastructure services accordingly.Collaboration: I foster collaboration among the IT infrastructure teams and with other IT and business units, driving toward organizational goals.

- Cloud and On-Premise Infrastructure Management:Manage infrastructure across GCP and Proxmox VE environments.- Configuration Management and Automation:Utilize Ansible for streamlined configuration management and infrastructure provisioning.Develop and maintain CI/CD pipelines with Jenkins and GitLab CI to enhance code deployment and integration.- Containerization and Orchestration:Deploy and manage Kubernetes clusters using RKE2 (Rancher Kubernetes Engine 2).Implement and oversee containerized applications.- Identity and Access Management: Securely manage user authentication and authorization with LDAP and Keycloak.- Monitoring, Logging, and Alerting:Implement comprehensive monitoring solutions using Grafana, Prometheus, and Victoria Metrics.Manage and optimize logging infrastructure with the ELK stack (Elasticsearch, Logstash, Kibana).- Messaging and Data Pipelines:Administer and enhance messaging systems like Kafka and RabbitMQ.Set up and maintain Clickhouse for analytical processing and data warehousing solutions.Manage Zookeeper for distributed systems coordination.- Service Discovery and Load Balancing:Implement service discovery and configuration management using Consul.Configure and manage load balancing solutions with HAProxy.- Secrets Management and Security:Securely manage secrets using HashiCorp Vault (consul templates, external-secrets).Implement and maintain IAM policies and security tools.- Scripting and Automation:Develop and maintain automation scripts using Python.

• Administration and management of servers based on Microsoft Windows.• Configuring and managing AD DS (Active Directory Domain Services)• Distribution File System (File Services)• Exchnage Server 2010 SP3 (NLB, DAG, Multi-Site DAG Design and Resilience etc.). Configuring Active Sync Management. Automation of tasks. RBAC.• Email Security Technologies - SPF\DMARC\DKIM\S-Mime\RMS (basic knowledge)• Deploying and configuring Microsoft IPAM Server 2012 R2• Deploy and configure Microsoft Lync Server 2013 FrontEnd and Lync Edge (Standard Edition). Setting federations.• Configure and deploy DHCP servers. Setting up using Cisco Relay. Configuring Windows Server 2012 R2 DHCP Failover Cluster.• Configure and deploy DNS infrastructure.• Configure and deploy the Forefront TMG 2010 SP3.• Configure and deploy Hyperv-V hosts (Disk management, Networking, VM Manual Deployment, High Availability etc. )• Working with vSphere Client (Create virtual machines, changing their settings, moving virtual machines, etc.)• Configuring and Managing Windows Server Update Services.• Development of architecture, configuring, and maintaining solutions for the protection of corporate e-mail on the basis of Cisco ESA (AsyncOS 8.0 - 9.7).• Creating and maintaining documentation in Confluence. Jira as ticket system.• Writing scripts in Powershell v2, v3, v4• Config fault tolerance for LDAP\LDAPs using HAProxy (Ubuntu 14.04)• Active Directory Federation Services v 3.0• PKI implementing and managing (Windows Server CA)

• Administration and management of servers based on Microsoft Windows.• Configuring and managing AD DS (Active Directory Domain Services)• Distribution File System (File Services)• Exchnage Server 2010 SP3 (NLB, DAG, Multi-Site DAG Design and Resilience etc.). Configuring Active Sync Management. Automation of tasks. RBAC.• Email Security Technologies - SPF\DMARC\DKIM\S-Mime\RMS (basic knowledge)• Deploying and configuring Microsoft IPAM Server 2012 R2• Deploy and configure Microsoft Lync Server 2013 FrontEnd and Lync Edge (Standard Edition). Setting federations.• Configure and deploy DHCP servers. Setting up using Cisco Relay. Configuring Windows Server 2012 R2 DHCP Failover Cluster.• Configure and deploy DNS infrastructure.• Configure and deploy the Forefront TMG 2010 SP3.• Configure and deploy Hyperv-V hosts (Disk management, Networking, VM Manual Deployment, High Availability etc. )• Working with vSphere Client (Create virtual machines, changing their settings, moving virtual machines, etc.)• Configuring and Managing Windows Server Update Services.• Development of architecture, configuring, and maintaining solutions for the protection of corporate e-mail on the basis of Cisco ESA (AsyncOS 8.0 - 9.7).• Creating and maintaining documentation in Confluence. Jira as ticket system.• Writing scripts in Powershell v2, v3, v4• Config fault tolerance for LDAP\LDAPs using HAProxy (Ubuntu 14.04)• Active Directory Federation Services v 3.0• PKI implementing and managing (Windows Server CA)

• Infrastructure Management Active Directory. Migrating Active Directory with Windows Server 2003 to Windows Server 2008R2 \ 2012• Management based messaging infrastructure Exchnage Server. Deploying standard roles Exchnage Server (mbx, hub, cas) .Migration from Exchange server 2003 to Exchange server2010 SP3• Basic deployment Exchnage Server 2013. Migrating c Exchange server 2010 on the Exchange server 2013• Anti-virus security (Kaspersky Admin Kit, Symantec)• Backup Systems (Acronis, NTBackup)• Configuring services WinServer 200x (terminal services, Deployment Services (WDS + MDT), print server, AD, DHCP, DNS)• Setting up and testing of computers and peripherals.• Installation, configuration, maintenance of mail servers based on Kerio Connect.• Setup and administration of a hybrid infrastructure Postfix + Kerio + Exchnage 2010• Support and configure servers based on Ubuntu 12.04. Support Hosting (open source project – Zpanel (postfix, dovecot, LAMP (Apache2, Mysql, PHP)• Installing the configuration and maintenance of Proxmox VE (based on Ubuntu 12.04 (zfs, lvm, soft raid)• Support and configure servers based on Debian 7.0 Squezee. Installing the configuration and maintenance of Proxmox VE (based on Debian 7.0 Squezee (zfs, lvm, soft raid)• Installation and maintenance of the firewall (ISA Server 2006, TMG Forefront 2010)• Installing and configuring ERP systems (mainly 1C (installation, partial setting), SPF, ARM products. Galaktika Software)

Electronic engineer in a group of automation• Maintenance and installation of systems and telecommunications networks (wired telephone line, LAN, video surveillance)• maintenance of the network infrastructure and server equipment.• Configuring ADSL, Wi-Fi• Creating the necessary documentation (description) in the process of working with the telecommunications network (wired connection) and LAN server hardware• Repair of telecommunications, PCs and other. Equipment of varying complexity.• Technical advice users• Administration of servers based on Windows server 2003/2008. (Mail server (Kerio Connect), FTP-Server, Firewall (Kerio Winroute), Terminal server)• Anti-virus security (Kaspersky Administration Kit)• Backup standard means Windows (Ntbackup)