Denis M.

Experience

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  Ltd. “firm “Kedr”“

  Apr 2002 - Nov 2005

  System Administrator

  Responsibilities• Improve and extend hardware and network monitoring.• Networking (bonding, firewalling, bridging, switching, network file system tuning, etc.).• Maintenance of accounting programs.• Experience with various accounting software such as 1C.• Technical specialist.

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  Ltd. “Medical Cosmetic Center” Katherine“

  Apr 2002 - Sept 2002

  System Administrator

  Responsibilities• Maintenance 5 computers based on Windows XP.Achievements• Support and the local office network.

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  Ltd. “Diatron, Moscow

  Nov 2004 - Jun 2005

  IT Specialist

  Responsibilities• Maintenance of office and computer equipment clients.• Build servers and workstations for order.• Support the windows 2003 and windows 2000 server systems.• Experience with HP servers.• Experience with Automatic Telephone Station(Panasonic).• Completed a large project to install a speaker system in a 5-storey building. Made a plan, made it work.

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  ACD/Labs

  Nov 2004 - Apr 2010

  System Administrator

  Responsibilities• Website internal maintenance including updating content and adding new pages (http://acdlabs.com).• Support Desktop machines (Windows XP, Windows 2000).• Windows integration with other environments (Active Directory, WSUS, NOVELL, etc.).• Advanced system administration tasks (auditing, monitoring, logging, performance tuning, capacity planning, etc.).• Improve and extend hardware and network monitoring.

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  VK

  Apr 2010 - Nov 2015

  Senior IT specialist

  - Directed the infrastructure management of high-load Linux-based applications, ensuring optimal system performance and availability.- Led global IT projects, including data center deployments and system integrations, supporting over 80,000 concurrent users.- Collaborated with international partners in China, Europe countries, MENA, Japan and the USA to integrate game operations with local accounting and billing systems, streamlining operations and enhancing revenue tracking.- Implemented a custom Django-based monitoring system, improving system uptime by 15% through proactive server monitoring and issue resolution.- Managed IT support and infrastructure expansion projects across multiple regions, ensuring system scalability and reliability. Minder weergeven

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  MY.GAMES

  Nov 2015 - Feb 2025

  Senior Unix System Administrator | IT Manager

  - Led IT operations for multiple data centers, driving initiatives to improve infrastructure performance, security, and scalability.- Managed cross-functional teams in network and server administration, supporting a global user base of game operations.- Managed and organized help desk support, ensuring efficient troubleshooting and technical assistance for both local and global offices.- Utilized data analytics and executed complex SQL queries across PostgreSQL, MongoDB, and MySQL databases to extract, analyze, and optimize key performance metrics, supporting strategic decision-making and business analysis.- Spearheaded the automation of server deployments.- Provided 24/7 on-call support for critical incidents, resolving issues swiftly to minimize downtime and ensure seamless user experiences.- Conducted research and development (R&D) projects focused on optimizing game engine performance, in collaboration with key stakeholders, which contributed to a 20% reduction in operational costs and generated tax incentives for the Dutch government.- Mentored and coached junior system administrators, fostering a collaborative and skilled team capable of handling large-scale IT operations.- Established and led the creation of a works council in compliance with Dutch labor law, enhancing company collaboration, representation, and internal communication Minder weergeven