Chertov Vyacheslav

Chertov Vyacheslav

$25/hr
Linux Administrator
Reply rate:
-
Availability:
Hourly ($/hour)
Age:
49 years old
Location:
Zaporozhye, Zaporozhye, Ukraine
Experience:
17 years
Curriculum Vitae - Chertov Vyacheslav — Linux System Administrator Personalia Full name Chertov Vyacheslav Location Zaporozhye, Ukraine Email- Work experience Upwork (ex. oDesk) Sep 2011 → present Independent freelance contractor Providing advice, functional design, technical implementation, documentation and support services. Backup automation, mail server implementation, database server administration, software management and performance tuning, monitoring, troubleshooting, server hardening, virtualization, deploying and configuration VPS and so on. Profile Link https://www.upwork.com/o/profiles/users/_~01f424653a79cac6f4/ JSC 'Zaporizhzhya plant of semiconductors' Dec 2009 → Sep 2011 System Administrator Planning, installing and configuring a new servers and routers. Maintenance of servers (Linux Debian), routers (Cisco) and network devices (HP switches), troubleshooting. JSC Trade House 'Amstor' Jun 2007 → Dec 2009 System Administrator Maintenance of domain's controller (Windows 2003 Server), using ActiveDirectory, tuning Automatic Telephone Exchange Siemens HiPath-3000, tuning of weights device DS-788. JSC 'Center of Informational Security' Aug 2006 → May 2007 System Administrator Responsible for proper operation of the servers, planning, installing and configuring a new servers, maintenance of servers and network devices, optimization, monitoring. Using the following components: FreeBSD, Windows 2003 Server, OpenVPN, perl, php, Apache, Sendmail+STARTTLS+SASL2, Spamassasin, VmWare, PostgreSQL. TAS-Business Bank Jul 2005 → May 2006 System Administrator Responsible for proper operation of the network, bank day operations, user accounts management, making QoS connects between departments of Bank, maintenance of Oracle DB server (Red Hat Enterprise Server OS), file-server SAMBA (Linux Debian OS), using the following software: SQUID, ipfw, rsync, OpenVPN, mgetty, Sendmail, samba, jabberd, TCPFoss, Windows XP workstation support. JSC 'Ukrtelecom' May 2001→Jan 2005 Engineer-programmer Planning, installing and configuring Linux servers for HSDA (High Speed Digital Access), ADSL station equipment, troubleshooting, technical support. Ukrainian Pension Fund Jun 2000→Feb 2001 System Administrator Responsible for proper network operation. Maintenance of SCO Unix server, Informix DB and Windows-98 workstations clients at LAN. Education Zaporozhye National Technical University 1992 - 1997 Bachelor of Engineering (B.Eng.) radio engineer Strengths and skills Overall • Analytical - ability to quickly learn and understand from self-study or analysis; • Self motivated and enjoy new technologies; • Attention to details; • Experience in Linux system administration, advanced automation; • Experience in configuring and deploying systems; • User of various best practices regarding Linux system and application deployments, system maintenance and documentation, system security; • Experience in collaboration with distributed technical teams; • Experience with designing infrastructure for systems management, troubleshooting, monitoring and automating environments; • Knowledge of Linux internals, security best-practices, performance tuning and troubleshooting; • More than 15 years of operational experience in Linux environments; • Experience in designing and implementing a monitoring and reporting infrastructure; • Experience with managing and integrating with virtualization solutions, including OpenVZ, KVM, Hyper-V, Xen; • Experience with popular cloud infrastructures: AWS, GoogleCloud, Azure; • Experience with containerization: Docker, LXC; • Experience with clustering, load-balancing, fail-over and disaster recovery techniques; • In-depth knowledge of Linux OS (since 1997) including Red Hat Enterprise Linux, CentOS, Ubuntu, Debian (but also OpenSUSE, GRML …); • Troubleshooting skills for debugging kernel, system or application issues; • Limited hardware knowledge; • Experience with configuration management tools (Ansible and Puppet); • Experience with firewalling, virtual private networking and network intrusion detection systems (NIDS); • Experience in compiling, installing, and configuring of Linux/Unix system software; • Experience with filtering, troubleshooting and TCP/IP network protocols; • Experience with managing and troubleshooting SQL servers (MySQL, PostgreSQL, some Oracle) and applications using SQL; • Experience with various markup languages (HTML, SGML, DocBook, XML, CSS, AsciiDoc, Markdown); • Experience with Version control systems, patch-management: diff/patch, CVS, SVN, Mercurial), Git, GitLab, Bazaar. Communication • Direct communication skills - does not overpromise or underdeliver; • Team player - listen, share, cooperate and learn together as a team. Programming languages Active Bash and zsh since 2000, SQL since 2003, PHP since 2006, Python since 2008, Perl since 2005 Passive Basic since 1991 Additional activities - Trained on position 'Linux administrator' in ISP Terralink [Germany, Hamburg] Feb 2002 - Member of linux translation project: http://manpages.stupin.su - Member of Debian Handbook Translation project: https://hosted.weblate.org/engage/debian-handbook/ru/ Languages • English: intermediate level [with more written experience] • German: basic spoken and limited written • Ukrainian: native • Russian: native
Get your freelancer profile up and running. View the step by step guide to set up a freelancer profile so you can land your dream job.