Aleksei Chernikov Email & Phone Number

Moscow, Russia

Moscow, Russia

As a DevOps Engineer working in a team of 30 developers, I manage and maintain key components of CRM platform. Here’s a simplified overview of my responsibilities:1. **Linux Server Management**: I handle server administration for Oracle Linux, CentOS, and other RPM based operation systems, focusing on performance and security.2. **Kubernetes Management**: I oversee around 150 master and worker nodes in Kubernetes clusters, including setting up new clusters using tools like kubeadmin and kubespray.3. **Infrastructure Oversight**: I manage and configure components that are key parts of CRM Platform, such aare Keycloak, Kafka, Redis, PostgreSQL, Minio and others4. **Automation**: I use tools like Ansible, Python, and Bash to automate routine tasks5. **Development of CI/CD pipelines:** I am responsible for creating CI/CD pipelines using GitLab CI for Java-based applications with the aim of deploying them into Kubernetes environments.6. **Issue resolution**: I detect and rectify problems that may arise in the platform infrastructure.7. **Helm Charts**: I develop Helm charts to simplify how applications are deployed and managedAchievements:1. Container Registry Migration: Successfully completed the migration of private container registries from GitLab to Harbor2. Keycloak migration to Kubernetes: Successfully migrated Keycloak from standalone servers to Kubernetes3. CI/CD and Helm Template Development: Successfully developed CI/CD and Helm templates to accelerate application deployment, which increased team productivity.4. Kubernetes Offline Installation Tool: Successfully developed a tool for installing Kubernetes on servers without internet access, enabling offline installations.5. Helm Charts and Ansible Roles for BPMN: Successfully developed Helm charts and Ansible roles to install the open source BPM engine and its components on Kubernetes and virtual machines.

Yekaterinburg, Sverdlovsk, Russia

- administrating Linux and Windows Servers- administrating Apache Kafka Servers- providing monitoring and logging of microservices (EFbK-stack, Grafana-stack, custom exporters)- creating ci/cd pipelines and deployment scripts (Ansible, TeamCity, Gitlab-CI)- writing automation scripts (Python, Bash, PowerShell)- creating configuration for Nginx servers, required for application publishingAchievements: - Described project infrastructure in Ansible from scratch and developed CI/CD pipelines to deploy/update/rebuild project infrastructure components-Designed, build and deploy 2 highly available (s)FTP clusters, behind nginx.Technologies in use: Centos 7, Pacemaker, CoroSync, Ceph(for network storage), Ansible, telegraf, filebeat.

Minsk, Belarus

Responsibilities:- Developing CI/CD Pipelines- Supporting Azure infrastructure- Deploying Azure resources using Terraform/ARM Templates- Automating routine tasks- Products integration- Documentation preparation- PowerShell scriptingProject: building an automation framework based on Microsoft Azure for infrastructure and application deployment for airline customer

Kazan, Tatarstan, Russia

• Preparing High and Low level design documentation, build instructions, solution definitions;• Pre-sales, project management and architect activities;• Creating proposals;• Development of Microsoft 365 Cloud and Microsoft Azure documentation;• Calculating costs for implementation and 2/3 line of support;• Defining training strategies, preparing course materials and delivering training and personal couching for the project teams;• Project Management (In case if dedicated PM is missing\requires assistance)• Provide technical review during acceptance into service

Kazan, Tatarstan, Russia

• Managing Azure \ Office 365 services: Enterprise Mobility & Security (Microsoft EndPoint Manager\Intune) Exchange Online & Exchange Server 2013\201 SharePoint Online \ OneDrive & SharePoint Server 2013\2016 Skype For Business \ Teams Azure AD Azure Automation Azure Functions Conditional Access Privileged Identity Management Azure Information Protection Advanced Threat Protection Office 365 Security & Compliance• Developing powershell scripts and creating GUI tools for automation of complex tasks, support of business processes and simplifying day to day work of L2 and L3 engineers• Working closely with architects on design, implementation and management of Microsoft cloud solutions, for Fujitsu and Fujitsu's largescale customers with tens \ hundreds of thousands of employees worldwide• Helping customers to make transitions from on-premise to cloud infrastructures, as well as establishing hybrid environments• Performing handovers of completed projects to "business as usual" phase• Helping the development of business processes related to providing the support of Microsoft cloud services for customers

Voronezh, Russia

• Lead Engineer in SharePoint support team• Work with customers to gather/document both functional and technical requirements• Provide 3rd Line support to provide SharePoint issue investigation and resolution• Implementing solution designs per SharePoint best practices, user handover, training, and documentation• Deep understanding and experience of SharePoint technologies : Office 365 SharePoint Online, SharePoint Server 2007, 2010 ,2013, 2016• Migration of legacy SharePoint environments (2007, 2010) to new SharePoint versions (2013,2016)• Assist with migration of legacy SharePoint environments to O365 from SharePoint 2010,2013• Provide expertise to the whole organization, covering all aspects of SharePoint• Build, monitor, manage and repair the MS and other related infrastructure services• Lead on the technical response to mission critical service outages• Specify, enhance and develop documentation for standards conformance and best practices• Specify, evaluate, review, test and document new infrastructure related products• Ability to resolve complex SharePoint related issues in a timely manner• PowerShell,T-SQL Experience• Follow standard procedures for proper escalation of unresolved issues to the appropriate teams• Provide prompt and accurate feedback to customers• Conduct research on infrastructure related products, services, protocols, and standards in support of procurement and development efforts• Specify, develop, implement and maintain policies, procedures and associated training plans for infrastructure administration, appropriate use, and disaster recovery.• Provide capacity and performance management for infrastructure and work with other team members to ensure future requirements are met and planned for• Perform server and security audits• Recommend, schedule, and perform server upgrades, and repairs• Mentor a provide guidance to less experienced staff

Voronezh, Russia

• 3rd level Technical Support for Fujitsu customers located worldwide in SharePoint 2010/2013 Servers and Office 365.• Support of Fujitsu internal corporate SharePoint 2010 Portal Service for EMEIA region (15k+ users).• Deployment and support corporates portals, based on Sharepoint 2010/2013 Servers for Fujitsu customers.• Migration from legacy solutions to new SharePoint versions.• Investigated and resolved multiple major issues in SharePoint deployments.• Contributed to planning and development of designs, correction of existing designs to fix problems, increase stability and to bring systems to MS best practices. Analysis of servers and virtualization platform configurations.• Automation. Development, debugging and implementation of complex PowerShell scripts.• Integrations of MS Exchange, Nintex WorkFlow, WorkFlow Manager, Project Server, Office Online Server, SharePoint BI Solutions.• Planning for SharePoint hybrid scenaries• Configuring and planning SharePoint Service applications, servers roles and tolpology.• Building and Troubleshooting of SharePoint Servers• Integration of Patch Management.• Implementation of High Availability and Disaster Recovery solutions for failover and redundancy. • Development of documentation, filling of knowledge base, writing of support guides and work instructions for tiers 1 and 2 that reduced incident response time.• Configuring SharePoint custom solutions (farm solutions, sharepoint add-ins)• Developing backup/restore, custom monitoring solutions.

Voronezh, Russia

SharePoint 2007 / 2010 / 2013, SQL Server 2008 / 2012, Project Server 2013 support engineer