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Max Mazur
Contacts:
Email: sirmax123 AT gmail.com

Cellular: +38067 341 80 70 (Telegram /Viber)
Skype: sirmax123


Nationality: Ukrainian

Education:
Kharkiv National University of Radioelectronics.

Cisco courses:

  • BSCI: Building Scalable Cisco Internetworks





Mar 2019 - Now
Deployment engineer/DevOps "Mirantis" software company, Kharkiv, Ukraine.

Key Responsibilities: Responsible for software delivery on Production and Staging/Dev environments, automating deployments, and implementing and supporting zero-downtime deployment procedures for SDN controller.
Details:

  • Deployment SDN controller (Consists of multiple microservices, including Apache Storm topologies, docker-based services, and k8s-based services)
  • Administrated various Linux servers (CentOS, Ubuntu)
  • Automation: CI/CD: Salt, Jenkins Pipelines (GroovyDSL, JJB)
  • Administrated Clouds (OpenStack, Amazon)
  • Automate deployment using Terraform (Create ad-hoc environments to test features and delete them after testing)
  • Hardware: OpenFlow switches, Servers (Dell, HPE, SuperMicro)
  • Monitoring: Prometheus, Alert manager, Alerta
  • Deployed k8s and OpenStack (Using Mirantis MCC/MOSK), troubleshoot OpenStack and k8s issues including network outages
  • Supported self-hosted repositories: docker registry, Git server, python-pip registry, maven caching proxy for java applications.
  • Other services: Apache Storm, Zookeeper, Apache Kafka, OpenTSDB, Elasticsearch (ELK stack for logging)



Dec 2016 - March 2019
Deployment/"DevOps" engineer "Grid Dynamics" software company, Kharkiv, Ukraine.
Key Responsibilities:
Migrate existing applications to the Cloud environment, Implement service discovery for microservices
Details:

  • Adopted applications to be deployed to Google Cloud (including dockerizing)
  • Deployed application to the Google Cloud (using Hashicorp Terraform)
  • Configured/supported service registry/service discovery with Hashicorp Consul
  • Configured/supported secrets management with Hashicorp Vault
  • Deployed application to the K8S/GKE environments with service discovery support (using Helm and Terraform)
  • Debugged issues on Dev/Prod environments
  • Production environment support
  • Other: Apache Kafka, Cassandra, Zookeeper, Zabbix, AWS, che



Mar 2012 - Dec. 2016 Deployment engineer "Mirantis" software company, Kharkiv, Ukraine. Key Responsibilities: Implementing CI/CD, deploy configure and troubleshoot OpenStack Details:

  • Administrated various Linux servers (RH, CentOs, Ubuntu, Amazon Linux)
  • Automate server setup and software deployment with Puppet/Chef Salt/Ansibleconfigurstion management systems
  • Administrated Clouds (OpenStack, AWS)
  • Python development

Managed application servers (TomCat) Shell scripting NoSQL: ElasticSearch, Cassandra cluster, MongoDB, InfluxDB OpenStack installation, configuring, and debugging CI/CD: Jenkins, JJB, GoCD Monitoring: heka, collectd, nagios, kibana, grafana, zabbix ,Graylog2 OpenLDAP directory service

May 2010 - Mar 2012 System integrator TTI-Telecom. Ltd, Israel. Key Responsibilities: Install TTI product on the customer's environment. Customer support: troubleshoot issues with TTI products, and upgrade products. Details: Administered various servers including UNIX (Solaris 5.9, 5.10, HP-UX 11.23) Shell scripting. Administered Veritas cluster. Installed and managed Oracle and Sybase databases. Managed application servers (WebLogic). Installed and supported TTI product PL/SQL programming/debugging.

Apr 2007 - May 2010 Senior Network Engineer, "AirBites ISP" Kharkiv, Ukraine. Key Responsibilities: Designing, implementing, and managing a city-wide network Details: Managing fibers backbones Managing wireless base stations. Designing and implementing QoS on the network Managing DMZ: firewall management Managing hosting server and hi-loaded web servers Linux administrating Managing Cisco & Linux soft routers Managing interior and exterior network routing using OSPF, BGP4, Load balancing using BGP4 Securing data with IPSEC Support and secure mail system Installed, secured, and managed BIND, Apache, Nginx, Postfix, MySQL, Squid, Radius, Jabberd, Bacula, Nagios, NetFlow collectors, Cacti, DHCP, VPN (multiple protocols) Managing billing system Clustering www-servers with DRBD and GFS2 Virtualization using VMvare and KVM

Apr 2006 - Apr 2007 Senior system administrator. "Program-Ace" software company. Kharkiv, Ukraine. Responsibilities: Support All services required for developers teams, and support local company infrastructure. Details: Designed, implemented, and managed corporate network WAN&LAN Installed and used hosting software (ISPConfig, CPanel, Plesk, DirectAdmin) Installed and supported web-clusters and hi-loaded web servers Securing data with IPSEC Support and secure mail system Installed, secured, and managed BIND, Apache, Nginx, Lighttpd Postfix, MySQL, Squid, Jabberd, Nagios, samba, svn, csv.

Jul 2005 - Apr 2006 Senior network administrator, "UkrSibbank BNP Paribas group" Commerce Bank, Head Office, Kharkiv, Ukraine Responsibilities Designed, implemented, and managed corporate network WAN&LAN Details: Managed DMZ: firewall management, networking. Linux administration. Managed Cisco & Linux routers, all WAN area, more than 1000 sites placed in all Ukrainian territory (around 1300 Cisco devices) Managed interior and exterior network routing using EIGRP Securing data with IPSEC Support and secure mail system Managed customer internet access system Installed, secured, and managed BIND, Apache, Postfix, MySQL, Squid, TACACS+, Jabberd, and Nagios.

Jun 2004 - Jul 2005 Senior Network Administrator. ISP "Center of Information Technologies Vostok", Kharkiv, Ukraine. Responsibilities: Network architecture and design Details: Designed and implemented network security and software firewalls. Managed interior and exterior network routing using OSPF, BGP, and RIP. Installed and managed Cisco routers and Cisco Catalyst switches Managed ~30 Linux-based software routers. Installed, secured and managed BIND, DJBDNS, Apache, Postfix, QMAIL, MySQL, Squid, RADIUS and TACACS+ Managed fiber backbone based on switched Ethernet using Cisco and AlliedTelesyn switches Managed about 40 wireless base stations (Awaya, Orinoco, KarlNet/Terabeam, Cisco)

Oct 2002 - Jun 2004 Junior System Administrator.ISP "Center of Information Technologies "Vostok", Kharkiv, Ukraine. Responsibilities: Infrastructure and Customer support, troubleshoot network issues. Details: Administered various Internet servers including UNIX (Slackware Linux, Red Hat Linux, FreeBSD), and Windows (95/98/NT/2000). Installed and managed various Internet Services such as firewall, WEB, DNS, SMTP, SNMP, FTP, etc. Designed, implemented, and managed LAN and uplink. Installed satellite dish, radio-Ethernet, radio modems, bridges, switches, and routers (Cisco). Connected PBX and various office equipment. Providing technical support to the clients by phone and on-site. Installed and configured Internet dial-up and leased line access.

1997 - 2002 Education: Kharkiv National University of Radioelectronics, Bachelor of Computer Science