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DevOps Lead Engineer - 22059 Outstaffing
● Über 14 Jahre Erfahrung in Informationstechnologien.
● Der Optimierung gewidmeter, erfahrener DevOps-Ingenieur.
● Hatte mir die Unix-Mentalität angeeignet, Dinge einfach, modular und vorhersehbar zu halten, die ich immer noch versuche, auf alles anzuwenden, was ich heute tue.
KERNQUALIFIKATIONEN
● Starker Einsatz der Shell-Skriptsprache BASH;
● Erfahrung mit interpretierten Sprachen wie Python, Groovy und PHP;
● Erfahrung mit Konfigurationsmanagement-Tools: Ansible, Chef, Puppet;
● Erfahrung mit Docker, Kubernetes;
● Erfahrung mit Monitoring-Tools: Zabbix, Prometheus;
● AWS-zertifiziert: Solution Architect Associate, Sysops-Administrator, Devops Professional;
● Erfahrung mit der Entwicklung von Jenkins CI und Pipeline-Bibliotheken mit Groovy;
● Datenverarbeitung: MapReduce, Apache Hadoop, Hadoop Hortonworks, Amazon Redshift,
AWS-Kleber usw.
● Lead team workgroup(s) on different projects;
● Technical consulting;
● Architecture vision (how the system should be organized, how to process the data;
● Infrastructure and Environment Architecture.
● Lead team workgroup(s) on different projects.
● Managing infrastructure in AWS with Chef;
● Implementing CI/CD in infrastructure development (Chef, Jenkins, InSpec);
● Configuring log agragation and analize system (Elasticsearch, Fluentd, Kibana);
● Codifying infrastructure using terraform;
● Migrate monitoring system from Nagios to Zabbix;
● Development support.
● Administering infrastructure in AWS(~600 instanses);
● Patch management: implementing spacewalk for managing system updates;
● Backup system: responsible for backing up all production environments. Backups are based
on rsync and amanda backup, aws s3 as data storage;
● CI/CD configuration: configuring Jenkins jobs for modules and fixes installation, release
updates, deploying new instances;
● Internal management tool: rewriting internal management tool, written in C, using python;
● Adding new functionality;
● Developing scripts for automatic deploying new development environments (using bash,
python, docker, vagrant);
● Providing support with configuration customers’ production environments, third party tools
integration such as SSO, DocuSign, etc. ;
● Configuring monitoring system (Zabbix);
● Automating common work processes with Ansible;
● Supporting Apache web servers;
● Configuring internal SSO service.
● Install, configure and support of production environment (LAMP + Nginx);
● Install, configure and support of development environment using Vagrant, Foreman, Puppet,
Ansible;
● Administering local servers and dedicated servers on Amazon, OVH, Leaseweb, Hetzner;
● Ensuring the smooth functioning of the information and technical bases of the Company:
• DHCP, DNS, VPN, Mail servers.
• Network layer 2 switches configuration.
• Production and development WEB servers.
• Zabbix monitoring system.
• Asterisk IP PBX.
• Git, SVN servers.
• Virtualization platforms Proxmox (KVM, OpenVZ).
● Configuring MySQL cluster (with master-master replication) using Percona MySQL.
● Installation and configuration of the billing system mikbill;
● Web applications development;
● Asterisk-integrated call-centers software development;
● Administration of IP PBX based on ASTERISK;
● Successful experience in maintaining the working processes of 4 call centers, based in different
cities of Ukraine and working via a single server IP PBX Asterisk (200 users);
● Company's website management;
● MySQL database administration;
● Network layer 2 switches configuration.