System Administrator
IT Novation, ISA Group
Total des années d'expérience :7 years, 6 Mois
Expert in IT operations and problem-solving across diverse systems:
Virtualization systems: ProxMox Cluster (Cli, WebGUI)
Storage systems: SAN (HPE, IBM), NAS (QNAP, NFS, SMB, TFTP), FC Switch
Windows services: AD, DHCP, DFS, DNS, CIFS, LDAP
Linux: GRUB, ZFS, iptables, multipath, LVM
VPN: OpenVPN, WireGuard, PPTP
Telephony: Asterisk, FreePBX
Backup: Proxmox Backup Server
Databases: PostgreSQL, InfluxDB, MySQL
Cloud services: VPS, DNS, Domain, Certs
Proficient in Bash, Python, Ansible, Git, and more
Notable achievements in system optimization and automation.
Achievements:
Implemented a unified password storage service for multiple departments
Consolidated separate virtualization nodes into a cluster
Created a script for crypto-partition activation via USB key
Spearheaded a project to centralize company resources into a unified panel, processing API requests to service providers using Bash and Python scripts.
Responsibilities:
Implementing and configuration of task managers (Microsoft ToDo, youtrack, Bitrix24)
Setting up 7GIS satellite navigation blocks and registering them in CMS Wialon.
Design, programming, installation, and configuration of home and office automation systems "Smart Home", solutions such as KNX, OpenHAB, Control4, LogicMachine, ComfortClick, ELKO, and various others.
Participation in the purchase and selection of electrical installation equipment.
Participation in the project on the deployment of electronic queue systems at the customer.
Software Proficiency:
Operating Systems: Windows Server 2016/2019, Ubuntu/Debian OS family
Containerization: Docker
Motion Capture Software
Node-Red for Automation
Database Management: InfluxDB
VPN Solutions: Wireguard (Full VPN)
Network Security: pfSense (OpenVPN, HAProxy, NAT, Routing)
Scripting: Bash
Monitoring and Management: Zabbix, Zammad
XOrg for X Window System
Telephony Integration: Zadarma
Home and Office Automation Software:
ETS Professional (Unlimited KNX Node Management)
OpenHAB (Visualization, Vendor Integration, Automation, User Interfaces)
MOSQUITTO/MQTT Explorer (MQTT Protocol Management)
Zigbee to MQTT (Wireless Device Administration for Automation)
ComposerPro (Control4 Equipment Analysis and Maintenance)
bOS Client/Server (ComfortClick Equipment Integration)
IDM3 (ELKOep Equipment Programming and Commissioning)
Hardware Expertise:
KNX Equipment: Zennio (Actuators, Panels, Sensors, Gateways), ABB (Actuators, USB Interface)
IoT Devices: Xiaomi, Aquara, Philips, AB-Log (MegaD RPI, MegaD-2561-31I15O-RTC, MegaD WallMount-Sensor)
Enterprise Hardware: DWH EMC, DELL, HP Servers
InfiniBand Switch: Mellanox MSX6018F (Installation and Configuration)
Achievements:
Successfully orchestrated the migration of CMS Wialon from the client's server to a secure data center.
Proficiently administered the Citrix XenServer virtualization system, facilitating the transition to the organization's private cloud powered by ownCloud.
Implemented ProxMox to centralize and optimize hardware computing resources effectively.
Installed and configured software and equipment for remote video surveillance via GSM/LTE connection, enhancing security measures.
Seamlessly integrated ZKTE ACS into the ELKO smart home system post-installation and commissioning.
Established a robust VPN connection between the office and the central server in the data center, employing Mikrotik, ASUS Router, and pfSense technologies.
Led the deployment of an Nvidia computing cluster comprising 5 nodes, leveraging the high-performance InfiniBand network protocol.
Additionally, I:
Successfully introduced ComfortClick, a prominent European developer, to the company, positioning them as a formidable competitor to LogicMachine.
Strategically leveraged the equipment of a Russian startup, AB-Log, within project implementations.
Identified open-source alternatives to proprietary vendors, providing comprehensive solutions that covered up to 80% of customer requirements.
Responsibilities:
Ensuring the continuous functioning of the company's network and its interaction with other macro-regional divisions of the Head Company
Administrating internal network resources spanning three cities, comprising over 50 computers running Windows 7, 8.1, and 10.
Providing technical support and user consultation services.
Working with user credentials in AD Domain Forest (Windows 2008R2).
Assistance and interaction with other divisions of the Head Company.
Development of standards and regulations for equipment installation and configuration.
Interaction with contractors in Rostov-on-Don, Krasnodar: coordination, conclusion, restoration and subsequent control of contracts.
Search and coordination of Internet connection works for a remote office.
Creation and constant control of documentation on the available resources of the company.
Software Proficiency:
Windows Server (2008R2, 2012) with expertise in AD, GPO, DNS, DHCP, DFS, RDP, HyperV, and ODM.
pfSense for advanced network management including OpenVPN, routing, rules, and iPerf.
Linux - Debian for server environments, specializing in ProxMox virtualization, Ivideon, NFS, SoftRAID, and network diagnostics using nmap.
Network Equipment:
Proficient in configuring and managing various network equipment from HP, Mikrotik, DLink, and Zyxel, ensuring seamless network operations.
Achievements:
Built a computer network in the branch in 2 stages:
1) Rapidly designed and deployed the network infrastructure, including the installation of 900 meters of cabling across two floors.
2) Remotely connected the branch network to the main office.
Implemented virtualization solutions utilizing ProxMox and Hyper-V, optimizing resource utilization and enhancing system flexibility.
Orchestrated the setup of a centralized storage system (installation and configuration of FreeNAS), enhancing data accessibility and security.
Restored the working capacity of Trassir DVRs, on my own initiative.
Responsibilities:
Video server software update (Windows, Trassir OS: miniNVR, duoStation) to the latest versions (Video surveillance).
Connecting and controlling all servers using a central cloud (backup, restore, status monitoring, reporting, viewing cameras).
Ensuring the failure-free operation of servers (reinstalling software, replacing parts, monitoring).
Administration of PBX Panasonic system (Telephony)
Work with the analog telephone network of the company, ensuring smooth connectivity.
Development of a project for the transition to IP-telephony.
Maintenance of workstations (more than 80) and office equipment of the company (component repair, replacement of consumables, OS reinstallation, selection and purchase of new equipment).
Provided technical assistance and guidance to users, addressing email, print, scan, and system errors.
Installed and dismantled computer networks and network equipment. Connection testing.
Designing a unified network addressing standard and its implementation
Transferring a workplace (OS, office, specialized and service software) to a virtual environment (Hyper-V, VirtualBox).
Working with contractors for the purchase and repair of computer equipment.
Provision and control of document flow (invoices, contracts) with various suppliers for services of repair, replacement, refueling, purchase of hardware and software collateral. Coordination and control of work contractors in remote branches. Reporting in the Bitrix24 system.
Implemented network monitoring system (The Dude).
Implemented a system for remote management of servers and workstations (RMS).
Responsibilities:
Network resource management, including terminal access, shared directories, access points, network printing, IP telephony, connection to the network.
Configuring network equipment (D-Link, Cisco, HP, 3Com, Zyxel) - including network cable installation, rack connection, and configuration of VLAN, Bridge, NAT, Firewall, PPPoE, L2TP, Radius, and access points.
Ensuring the operational status of the video surveillance system, including installation, replacement, diagnostics, configuration using SADP / ODM, and firmware updates via the TFTP protocol.
Administration of MS Windows Server 2003, 2008R2 (DC, AD, DHCP, DNS, RDP), FreeNAS (SMB, iSCSI, NFS), Asterisk, Ideco, pfSense, and Ubuntu Server (SSH, Webmin, CUPS).
Installation of satellite dishes, establishment of external access to the company's resources (Spark/Jabber) for individual users, and uploading design layouts for external counterparties.
Maintenance of user workstations: installation of OS, anti-virus and service software, replacement of internal PC components, setting up systems to work with internal and external network resources. Connecting local and network printers/MFPs, installation/replacement of IP telephone exchanges.
Administered user credentials in various systems, including account creation, modification, and deactivation.
Software Proficiency:
Proficient in a wide range of software and systems including:
Operating systems such as MS Windows Server (2008R2, 2012) and Linux (Ubuntu Server).
Networking tools like pfSense for advanced network management and monitoring.
Virtualization platforms including Hyper-V, VirtualBox, phpVirtualBox, Proxmox, and Virt-Manager.
Monitoring tools like The Dude, nmap, tcpdump, and built-in system utilities in Windows and Linux.
Achievements:
Successfully integrated the distributed storage server service into the workflow using FreeNAS.
Adapted a local printer into a network printer through OS Ubuntu Server.
Responsibilities:
Workstation maintenance: ensured the smooth operation and maintenance of workstations, addressing hardware and software issues to optimize productivity.
Equipment inventory management to track assets, streamline resource allocation, and facilitate procurement decisions.
Collaboration with contractors to coordinate and oversee maintenance and service activities.
Video surveillance project development.
Maintained and serviced large-format copiers handling A0 forms.
User consultation and support.
Technical issue resolution.