Linux Administrator & Network Administrator

The candidate is an experienced administrator of more than 13 years. His work on his last project involved deploying networking solutions, migrating data from other platforms, configuration, securing DNS services using Guardian and automation using REST APIs. The technologies he uses include Linux, Unix, DNS Server, HP-UX, RedHat, Ubuntu, Gentoo, MS Windows, AD domain, VMware, Hyper-V, NetApp, FreeNAS, MySQL, PostgreSQL, Apache, Nginx,Tomcat, JBoss, Postfix, Nagios, Zabbix, Bacula. Wants to focus on DevOps. Was a department head. He has experience with agile methodologies. He uses English on a daily basis and working in an international team suits him.

Work experience

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Nov 2021 – Dec 2022: Professional Services Engineer

• Responsibilities: Open freelance contract with work ordered within indicated period
• Deployment of EfficientIP DDI solution in customers’ environments
• Developing the IPAM data model appropriate for the customer
• Customizations of the data structures with custom classes
• Migration of DDI data from other platforms
• Configuration and deployment of DNS/DHCP services
• Securing the DNS services with Guardian
• Automating DDI operation through REST API

Dec 2016 – Jul 202: Network Tools Engineer (IPAM Engineer)

• Responsibilities: Support and infrastructure administration of network services for customers
• Deployment and administration of VitalQIP appliances
• Troubleshooting of running services
• TCP dump and protocol level analysis of network communication
• Routing tables analysis and network subnets allocation
• Maintaining data in QIP database
• Scripting large scale operations on QIP database or infrastructure

Nov 2014 – Nov 2016: Unix/Linux Administrator

• Responsibilities: Administration of internal IT systems built on Vmware virtualization and Linux servers (Ubuntu, CentOS, Gentoo)
• Networking (switching, routing, firewall, DNS, DHCP, IPSec)
• Web applications administration (Apache, Nginx, Tomcat, JBoss)
• Database administration (MySQL, PostgreSQL)
• Email solution administration (postfix)
• Development tools (SVN, GIT, Jenkins) and management tools (Jira, Confluence) administration
• Monitoring (Nagios, Zabbix)
• Windows domain administration (Active Directory)
• Deployment of software solutions at customers' sites

Jun 2013 – May 2014: NetApp Systems Engineer

• Responsibilities: NetApp storage design, performance calculations, quotations
• Sales support, presentations for partners and customers
• Technical publishing and marketing technologies
• Preparation and carrying out of NetApp trainings

Jul 2012 – Apr 2013: HP-UX Administrator (3rd line)

• Responsibilities: HP-UX systems administration and advanced troubleshooting
• Patching, storage migration, and hardware maintenance
• Change management and implementation

Jan 2011 – Sep 2012: CAD/Unix Administrator

• Responsibilities: Installations and configuration of RedHat and HP-UX systems
• NetApp disk array administration and backups
• Maintenance of internal websites and databases
• Basic LAN and Windows users support
• CAD users support and scripting layer debugging

Mar 2010 – Dec 2010: Platform Teams Trainer

• Responsibilities: Preparation and holding of internal ITIL trainings and HP employees; development of presentation materials
• Incidents troubleshooting at Unix 2nd line; random quality checks
• Technical documentation development and 1st line team coaching

Oct 2008 – Feb 2010: Unix/Linux Administrator (1st line)

• Responsibilities: Incidents and service requests troubleshooting at HP Unix 1st line
• Responsibility for customers' Linu