System administrator / Middle DevOps / Middle SRE

На данный момент System and Network Specialist.

Мои компетенции и опыт

EPAM Systems · DevOps Internship · Jun нужен доступ к резюме Oct 2024

𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀
• Deep knowledge of Kubernetes components (Control Plane, Nodes) and cluster management with Minikube/kubeadm.
• Managed resources via kubectl (declarative/imperative).
• Implemented Namespaces, Pods (single/multi-container), and Workloads (ReplicaSet, Deployment, StatefulSet, DaemonSet, Job/CronJob).
• Configured Services (ClusterIP, NodePort, Headless) and Ingress for HTTP routing.
• Used ConfigMaps/Secrets for workload configuration and managed storage (StorageClasses, PV, PVC, CSI).
• Proficient in Helm (Charts, Artifact Hub).
• Conducted cluster troubleshooting using kubectl (logs, descriptions, debugging).
𝗖𝗜/𝗖𝗗
• Strong grasp of CI/CD principles and pipeline stages.
• Experience with Maven, Gradle, GitHub Actions ( нужен доступ к резюме on Minikube deployment).
• Built GitLab CI pipelines for Python apps (linting, building, testing, pushing).
• Developed Jenkins pipelines (multibranch setup, triggers, Docker image creation, deployment).
𝗔𝗪𝗦
• Hands-on with IAM, VPC, API Gateway, EC2 Auto Scaling, EFS, S3, CloudFormation, RDS, ECS, Lambda, and CloudWatch.
• Final project highlights: EFS for shared data, EC2 ASG and ECS Fargate for high availability, RDS for MySQL, ALB, public/private networking, strict Security Groups, IAM roles for resource access, log/metric collection.
𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺
• Proficient in Terraform (IaC) for AWS infrastructure (compute, network, security, IAM).
• Managed backend state with S3/DynamoDB and configured outputs/remote data sources.

Clarus · System and Network Specialist · Jan нужен доступ к резюме Jan 2024

𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗮𝗻𝗱 𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻, 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻, 𝗮𝗻𝗱 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲
• Developed and implemented an NTP cluster using corporate MikroTik routers, significantly enhancing synchronization quality across internal services and reducing network failures by up to 80% for specific systems.
• Created and integrated a network metrics collection and monitoring service using Telegraf agents, Prometheus and Grafana. Leveraged collected data to optimize network configurations, leading to a 50% reduction in delays for certain internal services.
𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗮𝗻𝗱 𝗦𝘂𝗽𝗽𝗼𝗿𝘁
• Led the migration of user data from нужен доступ к резюме to Mattermost using tools such as mongosh, mongorestore, jq, psql, and pg_dump and customized migration solution on JS enabled the successful transfer of over 99% of user data, ensuring a seamless transition for users.
• Developed, integrated, monitored, and maintained a corporate private cloud solution based on Nextcloud, enhanced with services such as Collabora Online (office suite), Talk (voice and video calls with recording), Mail, Calendar, and LDAP integration. The final Nextcloud solution consisted of 10 interconnected Docker containers and utilized external PostgreSQL, Redis, LDAP, and Nginx servers.
𝟭𝗖 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲
• Identified and resolved a crucial configuration issue in the Apache web server, which eliminated freezes in 1C software during specific operations.
• Conducted complex diagnostics to pinpoint system bottlenecks and migrated the 1C server VM to an optimized platform, achieving a 50% decrease in delays for resource-intensive tasks.
𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝗝𝗲𝗻𝗸𝗶𝗻𝘀 𝗮𝗻𝗱 𝗚𝗶𝘁𝗟𝗮𝗯
• Developed automated deployment pipelines in Jenkins to facilitate the continuous deployment of Mattermost and Nextcloud services from GitLab repositories.