DevOps / SRE
- Ukraine, Dnipro
- Citizenship: Ukrainian
- English: Fluent
- Enhance my DevOps / SRE skills
- Get more cloud experience in public clouds like AWS/GCP
- Use my skills for designing/building/deploying/supporting high-load web applications
- Use my knowledge, experience and skills to perform all functions of system administrator for UNIX-like systems in heterogeneous environments
- Use my experience in database administration and database design
- Be the part of exciting project, which will important and useful for society
- More than 15 years of work with computer systems
- Strong Unix/Linux background
- Highload web applications
- DevOps, CI/CD experience
- Public clouds: Amazon AWS, Google GCP, Hetzner Cloud
- Containers and container orchestrations
- Some DBA skills (PostgreSQL/MySQL/MongoDB/Redis/ElasticSearch/ClickHouse)
- Web developing skills
- VOIP skills
RedHat, CentOS, Amazon Linux, Ubuntu, Debian, Alpine
Shell, LUA, PHP, Go, Python
Bamboo, Gitlab, Jenkins, Bash
Ansible, Terraform, werf
Docker, Kubernetes, Helm
Apache, Nginx, Varnish, HAproxy
Nessun, Tenable.io, iptables, snort, ossec, nmap, logwatch, rkhunter
MySQL/Percona/Percona Xtradb Galera cluster/ClickHouse, PostgreSQL, SQLite
MongoDB(Sharded Cluster), Redis(Cluster and Sentinel), memcached
Prometheus and ecosystem: blackbox/alertmanager/pushgateway/snmp, Nagios, Zabbix 2+/3+, ELK, Grafana, InfluxDB, New Relic
Sendmail, Exim, Postfix, MailMan, SPF, DomainKeys, DKIM, DMARC
Git, Subversion
rsnapshot, tar, rsync
isc-dhcpd, IPFW, ipf, ALTQ, iptables, tcpdump, ifconfig, netstat, sockstat, openssh, telnet, traceroute, trafshow, trafd, squid, iftop, snmp, etc…
Akamai, LLNW, Cloudflare, AWS Cloudfront, Fastly
Hetzner, Rackspace, Online.net
- Managing and supporting infrastructure with more then 100+ AWS terraform components
- Infrastructure management with CloudPosse Atmos and SpaceLift
- Implementing and supporting Teleport clusters(Root and leaf) in multiply AWS account to provide access to K8s/RDS/Mongo Atlass
- Okta integration with Teleport
- Building CI/CD piplines in GitHub actions, using custom actions and workflows
- Managing team of 1 DevOps engineer and 2 system administrators
- Supporting more then 100+ physical servers and 50+ virtual servers by Ansible, wrote more than 40 Ansible roles
- Managing HA clusters: Mongo Sharded Cluster/Redis Cluster/Redis Sentinel + HAProxy
- Supporting company Amazon AWS infrastructure with Terraform: Route53 (GEO distributed multi-CDN setup with failover), ACM, Cloudfront, Clowdwatch, IAM
- Implemented Prometheus monitoring system and incedent management system with Atlassian OpsGenie
- Supporting on premises Atlassian services: JIRA/Confluence/Bitbucket/Bamboo
- Security management: Tenable.io, security polices, SSO everywhere, Ansible Vault
- Jenkins, GitLab CI/CD
- Migration all application from bare metal to k8s
- Dockerization of all microservices
- SQL performance supporting
- DevOps / SRE Practics
- Building open-source based SIP system
- Administration of FreeSwitch, Asterisk and other VoIP server for transit telephone traffic.
- FreeSwitch with LCR based routing.
- PostgreSQL plpgsql procedures for LCR routing, CDR caring, Call Access Controls, numbering plan number allocation.
- SMPP servers, design system for transit SMS traffic, designing own SMS platform.
- Deply and support project on Amazon AWS (EC2/Route53/S3/RDS/ElasticCache).
- Simple CD Deployment via bash and aws-cli tool
- Software/OS hardening
- Security Monitoring
Unix System Administrator
- Administration of dedicated servers, migration to Amazon AWS;
- Work with the following OS: FreeBSD, RHEL 5.1, CentOS 5.x, Amazon Linux;
- Software: php-fpm, postfix, exim, dns, nginx, apache, mysql, scribe server, nagios; Server tuning, monitoring, analytics, SEO (sitemap generator for site with dynamic pages(based on google sitemap_gen), robots.txt, video feeds generation, video feeds submission);
- MySQL DB administration(Replication, MySQL Percona Servers+ Sphinx Search Engine), Amazon RDS, SimpleDB;
- Backup (rsync, rdump, dump, restore); Solutions for automation in cloud computing and using 3rd part solutions like scalr (own installation), rightscale;
- SEO
- Administration of dedicated servers, migration from bare-metal to Amazon AWS: EC2/RDS/;
- Work with the following OS: FreeBSD, RHEL 5.1, CentOS 5.x, Amazon Linux, Suse Linux, WinXP;
- Software: php-fpm, postfix, exim, dns, nginx, apache, mysql, scribe server, nagios;
- Server tuning, monitoring, analytics, SEO (sitemap generator for site with dynamic pages(based on google sitemap_gen), robots.txt, video feeds generation, video feeds submission);
- MySQL DB administration(Replication, MySQL Percona Servers+ Sphinx Search Engine), Amazon RDS;
- Amazon SimpleDB;
- Backup (rsync, rdump, dump, restore);
- Solutions for automation in cloud computing and using 3rd part solutions like scalr (own installation), rightscale;
- SEO
- Management, concept development;
- Client support;
- Planning of SCS;
- Ethernet, VoIP, WDM;
- Equipment adaptation and modernization for the our market.
- Server support (based on FreeBSD);
- Routing;
- Firewall, hosting server, other services.
- Building of Wi-Fi networks for VoIP applications;
- Linksys Access Point WAP-11, Linksys Booster, Antennas, APC Smart UPS, SDSL modems, ATA.
- Support of Samba Server;
- Dial-in Server, web Server
- Writing scripts using Perl;
- Hardware: PC, modems, Smart Switch, Hub, and Digi Multi-Ports;
- Software: samba, apache, Secure CRT, PuTTY, FAR.
- SRE Cert: https://www.coursera.org/account/accomplishments/certificate/3GYZEP8BAQXL
- Dnepropetrovsk National University: Sep, 2005 – December, 2006, UA Specialty: Applied Mathematics
- SJSU (San Jose, CA, USA, SAL Program): August, 2001 – December, 2001