Personal profile

Artem A.

Infrastructure Integration Engineer

Professional Summary

Versatile Infrastructure Integration Engineer with over 20 years of full-spectrum expertise, spanning low-level hardware engineering through to high-level network orchestration. Specialized in designing, deploying, and optimizing complex, scalable infrastructure across distributed environments. Successful experience in managing national-scale infrastructures (50+ offices) and leading technical teams.

Core competencies

  • Network Engineering: LAN/WAN Architecture, TCP/IP Protocol Suite, OSI Model, DNS Management, QoS Optimization, Bottleneck Analysis (iperf3), Packet Analysis (Wireshark, Tcpdump).
  • Full-Spectrum Hardware Integration: Expertly bridging component-level electronics and physical layer connectivity, advanced network orchestration and secure tunneling, and server infrastructure for mission-critical services.
  • Hybrid Systems Administration: Deployment and management of diverse Windows Server (2016/2019/2022) and Linux (Debian, Ubuntu) ecosystems within virtualized environments.
  • Infrastructure Implementation & Services: Low-Level Device Configuration (Mikrotik), Layer 2/3 Troubleshooting, Mail Server Administration (Zimbra), and Performance Monitoring (Zabbix).
  • Leadership & Operations: Technical Team Mentorship (7+ staff), 24/7 Production Support, and Large-scale End-user Support (250+ users).

Technical experience

  • Managed a comprehensive national network infrastructure spanning 50+ distributed offices, ensuring seamless interconnectivity and high availability.
  • Performed advanced LAN/WAN bottleneck analysis utilizing Iperf3 (TCP/UDP) and protocol analyzers (Wireshark, Tcpdump) to resolve issues at the Data Link and Network layers.
  • Engineered secure, high-availability interconnectivity between remote offices and workstations via OpenVPN and WireGuard tunnels.
  • Managed and troubleshot DNS settings across domain registrars, including A, CNAME, SPF, MX, and TXT records for optimized mail routing.
  • Maintained Zimbra mail servers, implementing rigorous filtering and virus protection protocols.
  • Implemented an organization-wide Zabbix monitoring system covering 50 router gateways, 10 servers, and 250 workstations.
  • Organized and supervised the deployment of standardized OS environments (Windows Server 2016/2019/2022, Debian, Ubuntu) across diverse office environments.
  • Led and mentored a team of 7 junior System Administrators, overseeing PC support and maintenance for over 250 end-users.
  • Provided 24x7 On-call Production Support utilizing Remote Desktop, TeamViewer, and Windows Remote Assistance.
  • Optimized network reliability across MikroTik infrastructure by implementing advanced TCP/IP configurations and QoS mechanisms to prioritize mission-critical traffic.

Technical Stack

  • Hardware & Infrastructure: Mikrotik, Ubiquiti, OpenVPN, WireGuard, Firewalling
  • Diagnostics & Monitoring: Zabbix, Wireshark, Tcpdump, iperf3
  • Systems & Platforms: Windows Server, Debian, Ubuntu, VMware, KVM, RouterOS, VirtualBox
  • Networking: LAN/WAN, QoS, OSI Model, TCP/UDP, DNS, BGP, PTMP/PTP, VLAN, SMTP/POP3/IMAP
  • Remote Management & Assistance: RDP, TeamViewer, SSH, WinRM
  • Automation & Languages: Python, Bash, PowerShell, Lua, C/C++, PHP
  • Services: Zimbra

Electronics Engineer (legacy)

Professional Summary

Accomplished engineer with a deep-rooted foundation in microelectronics, hardware-software integration, and advanced component-level diagnostics and restoration.

Core competencies

  • Precision Diagnostics: Root-Cause Analysis, Hardware troubleshooting, Oscilloscope & Logic Analyzer Proficiency.
  • Electronics Design: Digital & Analog Circuitry, Schematic Design, Logic & Block diagramming, PCB Layout & Prototyping.
  • Embedded Systems: Firmware Development, Embedded Programming (C/C++, Lua, MicroPython), Industrial & IoT Controllers.
  • Component-Level Repair: Ball Grid Array (BGA) rework, SMT soldering, complex circuit restoration.
  • Hardware Management & Integration: Enterprise system upgrades, component replacement, overseeing preventive maintenance of the physical infrastructure layer.

Technical experience

  • Applied advanced experience in digital and analog circuitry to develop detailed schematic layouts, block diagrams, and logic flows.
  • Utilized a wide array of precision diagnostic tools and equipment, including multi-meters, various soldering stations, oscilloscopes, and logic analyzers.
  • Designed and developed industrial controllers, embedded and IoT-based solutions, including a wide range of electronics boards and prototypes.
  • Developed firmware and low-level software using C/C++, Lua, and MicroPython.
  • Resolved complex hardware faults by synthesizing data from technical service manuals and collaborating with global engineering communities to restore full equipment functionality.
  • Diagnosed and restored a wide array of electronic equipment, including computer components, notebooks, PSUs, mobile devices, and routers.
  • Worked with SMT and through-hole components, including BGA (Ball Grid Array) using an Infrared Soldering Station.
  • Managed the installation and upgrading of various PC hardware, including server mainboards, CPUs, RAM, IDE/RAID controllers, SCSI/NVME/HDD drives, and power supply units (PSUs).

Equipment and Technology Stack (legacy)

  • Diagnostics & Rework Toolset: Infrared/Hot-Air Soldering Stations, Oscilloscopes, Logic Analyzers, Lab PSU, Digital Microscopes, Thermal Imaging
  • Embedded Programming: C/C++, Lua, MicroPython
  • EDA & Circuit Design: Altium Designer, Sprint-Layout, AutoCAD.

Languages

  • Ukrainian Native
  • English Advanced
  • Russian Advanced