Alexei Korzhov

Skills

• Linux OS (Centos/Debian(Fedora,Ubuntu));
• Windows Servers
• Virtualization (Hyper-V, VMware)
• AD, DHCP, DNS, GPO, FTP, VPN, WSUS, TCP/IP Protocols.

Cloud providers:

• Amazon Web Services (AWS)
• Google Cloud Platform (GCP)

CI/CD, Build tools, Version Control Systems:

• Jenkins
• GCP CloudBuild
• AWS pipeline
• Spinnaker
• GitHub actions
• GitLab CI
• Bitbucket

Configuration management tools:

• Terraform
• Ansible
• SaltStack
• Chef
• Puppet
• AWS Cloudformation

Container management tools:

• Kubernetes, Helm;
• Docker, Docker-compose, Docker swarm.

Databases:

• MySQL
• PostgreSQL
• MongoDB
• Oracle

Programming languages and scripting:

• python, bash, powershell, yaml / json

Content Delivery Network:

• Akamai
• Cloudflare
• AWS CDN

Web servers:

• NGINX
• Apache
• IIS

Web app servers:

• Tomcat
• JBoss (WyldFly)
• Jetty

Security monitoring systems:

• HP Arcsight ESM
• Zabbix

Monitoring and log analysis platforms:

• NewRelic
• Nagios
• Prometheus
• AWS Cloudwatch Metrics
• ElasticSearch (ELK stack)
• Sumo Logic
• Zabbix
• Organization of network security;
• Deploy, configure and administration Cisco ASA + Firepower services, Kerio ;
• Deploy, configure and administration Kaspersky Lab soft, Dr.Web, VBA 32;
• Cryptography (Avest CSP, AvPCM);
• Security Protocols (IPsec, IKE, ISAKMP, or SSL/TLS);
• ISO/IEC 2700x, ISO 310xx.

Project management tools:

• Jira
• ServiceNow
• Confluence
• Planning IT infrastructure;
• Planning and development of security information systems;
• Planning security policy;
• Support of users, maintenance of office equipment.

Responsible, sociable, executive, hardworking, enterprising.I'm passionate about new technologies, applications and continuous improvements

Work Experience

Senior DevOps, Apalon, 2020 - present

• Leading a DevOps team
• Infrastructure building as a code using different services/tools such as: Terraform, Ansible, Cloud, Packer, Docker, Kubernetes, Jenkins,
• Implementation Cloud services for creating a fault tolerant applications
• Implementation Ansible as a configuration management tool for installing and updating required services, tools, configurations, etc.
• Automate deployment process to deliver and deploy applications.
• Optimization of the designed deployment solution
• Kubernetes configuration: creation k8s cluster with custom application using different concepts,
• Automatization and rewriting basic Kubernetes manifests with deployments/services for customer’s applications to Ansible playbooks with separated roles
• Development of documents describing the whole infrastructure and services of the customer.

DevOps Engineer, Exadel, 2018 - 2020

• Overview of the whole Cloud environment, making summary of it and offering recommendations for improvements with specific suggestions and approaches,
• Infrastructure building as a code using different services/tools such as: Terraform, Ansible, Cloud, Packer, Docker, Kubernetes, Jenkins,
• Implementation Cloud services for creating a fault tolerant applications using different services like scaling, balancing, events rules, code deployments, etc.,
• Implementation Ansible as a configuration management tool for installing and updating required services, tools, configurations, etc.
• Automate deployment process to deliver and deploy applications. Optimization of the designed deployment solution,
• Kubernetes configuration: creation k8s cluster with custom application using different concepts,
• Automatization and rewriting basic Kubernetes manifests with deployments/services for customer’s applications to Ansible playbooks with separated roles,
• Prepare custom Docker images for needed services. Migration custom services from Docker-swarm into Kubernetes cluster,
• Implement Consul Service Mesh for customer’s environment using Consul Connect with proxy-Sidecars. Prepare deployments for Kubernetes services to auto-connect Consul cluster. Create solution with Consul: for services running in Kubernetes cluster and outside it,
• Development of documents describing the whole infrastructure and services of the customer.

DevOps, Systems Engineer, EPAM Systems, 2017 - 2018

• creating content delivery networks for a big and high-available production systems using different services such as: Akamai as CDN, Cloud, DNS management services and Web/Application services,
• installation, configuration and providing troubleshooting for web and application servers: Apache, Nginx, Tomcat, JBoss, Jetty (configuration tomcat/jboss clusters behind the nginx/apache),
• implementing and supporting continuous delivery with Jenkins, Git, Gradle, Maven, Sonar, Nexus,
• automated environment configuration management (Ansible, Chef, Puppet, Docker),
• monitor and support the customer’s digital brands/sites, environments and centralized services,
• event Management: monitor network, server and web applications to ensure high availability,
• incident Management, Problem Management: perform the role of an Incident Manager during Systems Events; open, update and close trouble tickets with detailed information relating to trouble reported,
• knowledge Management: develop and maintain a working knowledge of a wide range of applications and systems,
• change Management: assist Development and Infrastructure Groups with scheduled and emergency change management tasks,
• follow standards for communications with business involving operational issues.

Lead specialist in information security management systems, Belspetsvneshtechnika, 2012 - 2017

• development of normative legal documents (orders, instructions) and control over their execution,
• carrying out organizational and technical measures, development of methodical and regulatory materials; provision of necessary methodical assistance in data protection works and evaluation of the technical and economic efficiency of the proposed and implemented organizational and technical solutions,
• development and participation in creation of safe data protection systems in data systems,
• implementation various antivirus systems in data systems,
• collection and systematization of required data in data systems,
• check of automated systems for presence of vulnerability of servers and workstations of users,
• development of proposals for improvement and efficiency enhancement of data protection methods and means,
• monitoring of distribution of rights for access to network resources and Internet resources,
• participation in investigation of incidents related to data security,
• arrangement of pass control, video surveillance system / access control and management.

Technical Support Specialist, Atlant telecom, 2011 - 2012

• Practical skills with Windows Server 2008 R2 and AD,
• Deploy, configure and administration DNS and DHCP servers,
• Practicall skills with MS SQL Server 2008, replication, backup and recovery,
• Work with MS SQL scripts.