Vadim Tsaplin

Experience

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  Novotelecom

  Sept 2006 - Jun 2020

  Functionality (2016-2019):• Deployment and maintenance Opennebula (KVM) corporate cloud service (~650VM, 55 nodes);• Maintaining, supporting and troubleshooting virtual data centers, machines, networks;• Providing cloud's documentation (best practice, FAQ, Tech Documents);• Teaching new cloud users;• Choosing and testing servers hardware;• Solving cross-department issues;• Member of the company’s “New core network” project team;Summaries in 2018 - 2019:• Cloud was extended up to 650 VMs and 55 nodes;• New concept with virtual data centers was created;• All standard procedures were migrated to Ansible;• Necessary monitoring was created (Zabbix);• In 2019 CEPH deployment was started;• The new project of the HQ to the DC networks connection has begun;Skills tags:• Linux server administration (Debian, Ubuntu);• Windows server administration (Active Directory, Unix attributes);• Network design, deployment and administration (switching, routing, IPTABLES, VPN, BGP, OSPF, Cisco, Juniper, Mikrotik, Dlink, Extreme);• WiFi networks (UniFi, Zyxel);• Hardware administration(IBM servers, DELL servers, Dothill storages, Supermicro servers);• DNS (bind, windows), DHCP (windows, isc-dhcp-server);• Base Bash scripting, beginner in Python/Ruby, Powershell;• Puppet, ansible;• Subversion, GIT;• Base Database operations (PostgreSQL, MariaDB, MSSQL);• Virtualization technologies (XEN, KVM, OpennebulaCloud);• Zabbix monitoring system.• Cooling and electricity for server rooms;• Structured cable infrastructure. Show less

  • Lead Engineer

    Aug 2009 - Jun 2020

  • Office Support Engineer

    Sept 2006 - Jul 2009
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  Inetra

  Jan 2013 - Mar 2018

  Datacenter Engineer (NOC), Office Infrastructure Engineer
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  PJSC VimpelCom (Beeline)

  Jun 2020 - Apr 2021

  Big Data operations senior engineer

  Big Data operations senior engineerOperation team member responsible for supporting, troubleshooting the company's big data ecosystem based on the Apache Hadoop stack. Our team has provided 2+ support line for our customers and dealt with issues, requests for changes, made documentation and users guide;Moreover, here I have additional features:* data sources ETL process supporting and optimizing, based on Apache NIFI software;* data lost or data consistency investigations in HDFS, HIVE, HBASE services;* creating and securing HDFS/Hive objects;* Linux shell scripting;* Monitoring based on Zabbix and influxDB with Grafana;My achievements:* I've developed the support and maintenance processes for the team;* I've proved first release SLO/SLI/SLA for the big data services;* I've optimized the process of creating new objects HDFS/HIVE;* I've created Zabbix monitoring templates for Apache Nifi;* I've found and publish useful tricks for Apache Nifi;* I've participated in the HR interview as a technical interviewer;* I've done onboarding two new engineers for the team Show less

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  JSC “ER-Telecom Holding”

  Apr 2021 - May 2022

  Lead Engineer

  Our group was responsible for the company's infrastructure of the BSS support system (Netcracker Software).For the production environment, we provided:* VMs deployment - RHV (ovirt, KVM) virtual machines, based on Oracle Enterprise Linux and Centos Linux via Templates and Ansible;* OS configuration - accounts, packages, security settings, audit, volumes, software via cloud-init, Puppet, Ansible;* 3rd party software configurations - Haproxy, Couchbase, Kafka, Open Shift machines, S3 minio, bacula, Prometheus, Grafana, Graylog;* Various assistance during deploy jobs;* Troubleshooting infrastructure accidents.For development and testing environments:* The same as for production anddeploy, upgrade, clone, configure Netcracker Software for environments;* Deploy and clone Oracle databases;* Deploy new Environments in Open Shift Cluster (Nexus, Jenkins);* Monitoring via Zabbix and Prometheus+Grafana. Show less

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  GoFLUENT

  May 2022 - Nov 2023

  Senior Infrastructure Engineer