Sergey Pushnyakov Email & Phone Number

Supported a critical component of the company’s e-commerce platform based on SQL and Microsoft Dynamics NAV, serving millions of users across Russia. Responsible for deployment and maintenance of test environments.* Server and Service Configuration Management: Configured and managed server and service settings to ensure stability, performance, and scalability.* CI/CD Implementation and Management: Deployed and configured collaborative development tools, CI/CD pipelines, and… Show more Supported a critical component of the company’s e-commerce platform based on SQL and Microsoft Dynamics NAV, serving millions of users across Russia. Responsible for deployment and maintenance of test environments.* Server and Service Configuration Management: Configured and managed server and service settings to ensure stability, performance, and scalability.* CI/CD Implementation and Management: Deployed and configured collaborative development tools, CI/CD pipelines, and automation workflows using tools like Atlassian Bitbucket, Jenkins, and GitLab CI.* Automation Tools Development: Developed tools for automating the deployment, management, and maintenance of multi-tiered test environments, providing robust support to developers.* Monitoring and Logging Systems Administration: Managed monitoring and logging platforms such as Zabbix, Prometheus, Grafana, and ELK to ensure system health and reliability.* Performance and Availability Optimization: Identified and resolved performance and availability issues, responded to and proactively mitigated incidents, and analyzed logs and system metrics to troubleshoot and prevent problems. Show less

Москва, Россия

* Microsoft-Based IT Infrastructure Management: Administered a Microsoft-centric IT infrastructure including Windows Server 2003–2012 (AD, DNS, WSUS, DHCP, MS Cluster Services, DFS, terminal services, print services, etc.). Managed corporate email systems on Exchange Server 2013* Virtual Environment Administration: Managed virtualization platforms, including VMware ESXi 5.0 and Microsoft Hyper-V.* Hardware Maintenance: Maintained and supported company hardware (servers and storage… Show more * Microsoft-Based IT Infrastructure Management: Administered a Microsoft-centric IT infrastructure including Windows Server 2003–2012 (AD, DNS, WSUS, DHCP, MS Cluster Services, DFS, terminal services, print services, etc.). Managed corporate email systems on Exchange Server 2013* Virtual Environment Administration: Managed virtualization platforms, including VMware ESXi 5.0 and Microsoft Hyper-V.* Hardware Maintenance: Maintained and supported company hardware (servers and storage systems, primarily HP and Dell) across offices, warehouses, branches, retail stores, and data centers, including installation, troubleshooting, and vendor/service interactions.* Monitoring System Administration: Managed the Zabbix monitoring system to oversee server and network equipment, systems, and services.* Service Optimization and Deployment: Participated in optimizing and upgrading existing services/equipment as well as installing and configuring new systems.* Cross-Department Collaboration: Collaborated with IT divisions, including Information Security, DBA, Technical Support, and Network Engineering teams, to resolve incidents (2nd and 3rd level).IT Infrastructure Planning and Support for Retail Stores* IT Equipment Procurement and Deployment: Selected and procured all IT equipment for new retail store openings within the federal retail chain (electronic discounter Citilink, citilink.ru).* Technical Support Training: Conducted training sessions for store-based technical support engineers.* Workplace Setup and Documentation: Organized the installation and configuration of client workstations, peripheral devices, and associated documentation, ensuring smooth operational setup for new retail locations. Show less

Moscow, Russia

* Network Design and Maintenance: Designed, developed, implemented, and supervised the deployment, maintenance, and modernization of network solutions.* Hardware and Software Selection: Evaluated and selected hardware and software to meet business needs effectively.* Resource Planning and Security: Planned network resources and access security policies to ensure efficient and secure operations.* Performance Optimization and Disaster Resilience: Analyzed and optimized the performance… Show more * Network Design and Maintenance: Designed, developed, implemented, and supervised the deployment, maintenance, and modernization of network solutions.* Hardware and Software Selection: Evaluated and selected hardware and software to meet business needs effectively.* Resource Planning and Security: Planned network resources and access security policies to ensure efficient and secure operations.* Performance Optimization and Disaster Resilience: Analyzed and optimized the performance of information systems, ensuring high availability and resilience against critical failures.* FreeBSD Server Administration: Supported corporate FreeBSD servers, including proxy servers, mail servers, and VPN servers.* Windows Domain Network Administration: Managed a distributed Windows-based corporate network (Windows 2003/2008 domain with 120+ users and 10 servers) across multiple locations, including remote warehouses and a branch office in Krasnodar.* Windows Server Setup and Maintenance: Installed, configured, and supported Windows NT4, 2000, 2003, and 2008 servers (AD, DHCP, WINS, DNS, IIS, terminal servers, and file servers). Deployed and maintained corporate email services using Exchange 2003 and 2010.* ERP System Support: Administered and supported corporate ERP systems (Microsoft Business Solutions Axapta 3.0 and Microsoft Dynamics AX 2009) with SQL Server 2000, 2005, and 2008, as well as MS SQL Server Analysis Services and Reporting Services* Data Security and Backup: Ensured antivirus protection and reliable backup strategies.* PBX System Maintenance: Supported and maintained corporate PBX systems (Panasonic KX-TD 1232RU, Panasonic KX-TDA100).* Application Software Management: Installed and supported application software, including 1C 7.7/8.x, bank-client software, and other enterprise tools.* Reporting and Analysis: Prepared statistical, reference, and analytical materials on the operation and performance of software and information systems. Show less

* Hardware Development for Industrial Automation: Participation in projects involving the design and development of hardware solutions for diverse industrial automation needs, leveraging technologies such as DSP and FPGA.* Software Development for Industrial Automation: Experience in creating software solutions tailored to industrial automation systems, utilizing languages such as Assembler (for various systems), C++, and C#.* Commercial Software Development: Contributed to the… Show more * Hardware Development for Industrial Automation: Participation in projects involving the design and development of hardware solutions for diverse industrial automation needs, leveraging technologies such as DSP and FPGA.* Software Development for Industrial Automation: Experience in creating software solutions tailored to industrial automation systems, utilizing languages such as Assembler (for various systems), C++, and C#.* Commercial Software Development: Contributed to the development of commercial software using Microsoft technologies, including C++ and C#.* Microsoft Business Solutions Development: Played a key role in projects focused on developing software solutions for Microsoft Business Solutions Axapta (versions 1.5–4.0).* IT Systems Installation and Maintenance: Managed the installation and maintenance of corporate IT systems and services, including email, Internet access, VPNs, terminal servers, and file servers. Additionally, set up and maintained development test environments (Windows Server, various client Windows OS versions, MS SQL, SuSE/RedHat Linux, and Oracle DB across different versions and platforms). Show less