Upwork home
Sign up
Secondary

Hire the best Hardware Troubleshooting Specialists in Serbia

Check out Hardware Troubleshooting Specialists in Serbia with the skills you need for your next job.
Get started
  • $40 hourly
    • 5.0/5
    • (30 jobs)
    My name is Luka Knezevic, I am from Serbia, and I am a Hardware (HW) developer and a PCB Designer. I worked on more than 20 projects and made the same number of prototypes. With more than 5 years of experience, I worked on a lot of different projects, such as a buck, boost, PFC buck, BMS, E-bike inverter, power supply for nanosatellite, control cards (TI, ESP), etc. with power-up to 3kW, power switching frequencies up to 200kHz. In 2019. I was part of a team of students (H-Bridges) that won First Place in the International Future Energy Challenge (IFEC 2019) with an E-bike drive organized by IEEE. In 2022. I was the team leader of that team, and team lead of the HW team, and won second prize, with a power supply for a nanosatellite. After that, I worked in a start-up that worked on e-mobility projects, for 2 years. Now I am opening my own business, starting with Upwork. My obligations were: Components selections Topology selection Simulations (MatLab, Simulink, PSpice) HW optimization PCB Design (Altium Designer) Assembly Testing Revision
    Featured Skill Hardware Troubleshooting
    Hardware Design
    Altium Designer
    PSPICE
    Test Results & Analysis
    Hardware Prototyping
    Hardware Testing
    Multilayer PCB
    PCB Design
    MATLAB
  • $40 hourly
    • 5.0/5
    • (52 jobs)
    I am an experienced Top-Rated-Plus Cisco certified Network Engineer. I can help you with any Cisco/Brocade (VPN, ASA, Meraki, Route, Switch), Ubiquiti, Sonicwall,MikroTik, Cisco Umbrella, Cisco ISE and Linux problem in your network.
    Featured Skill Hardware Troubleshooting
    Linux
    Network Engineering
    Cisco Certified Network Professional
    Cisco Router
    Linux System Administration
    Cisco IOS
    Cisco Certified Network Associate
    Data Center Operations
  • $20 hourly
    • 5.0/5
    • (2 jobs)
    I`m a web developer/designer and system administrator with over 20 years of experience with a strong technical background who possesses self-discipline and the ability to work with minimum supervision. My area of expertise is: - CMS - WordPress - Joomla - HTML - CSS - Photoshop - Fixing errors & bugs - E-commerce - Graphic design. - PC Hardware - PC peripherals - Microsoft OS - Microsoft Office - Microsoft Exchange and Active Directory - Networking Working in the IT industry for 20 years, my experiences grew from managing Microsoft OS, Servers, Hardware, and Networking to web development and design. I am a good team player who thrives on creating engaging creative solutions, I`m deadline orientated, can produce detailed technical specifications from client requirements, quick learner who can absorb new ideas, and can communicate clearly and effectively. Also, I am flexible with my working hours. Looking forward to working with you, Bojan
    Featured Skill Hardware Troubleshooting
    WordPress
    Windows 11 Administration
    Data Entry
    Computer Network
    CSS
    Windows 10 Administration
    HTML
    Microsoft Server
    CMS Development
    Graphic Design
    Adobe Photoshop
  • $12 hourly
    • 5.0/5
    • (2 jobs)
    I am a Computer Engineering graduate and I have been working in the IT industry a little less than a decade now. I take great pride in never once leaving a problem unsolved or disappointing a client. I am punctual and easy to work with. Dedicated and curious bug hunter. My fields of expertise are: 💻 Windows environment 7/8/10 💻 Software installation and maintenance 💻 User Account Control - UAC 💻 Networking (making - troubleshooting Wi-Fi / LAN) 💻 Office packages (installation and work in packages) 💻 VMware, HyperV (installing, making, troubleshooting) 💻 Printer troubleshooting Beginner Skills: ► Beginner of MikroTik configuration ► Beginner of C ++ ► Beginner of SQL ► Beginner of WordPress ► Beginner of PHP,HTML,CSS ► Windows Server 2016 ► Linux server My suggested workflow (briefly) : ► Receiving problem ► Initial analysis of the problem and preparation ► Establishing a connection to the remote computer (via TeamViewer, or something else) ► Troubleshooting/Solving the problem ► Chat with the user ► Review ► End of work
    Featured Skill Hardware Troubleshooting
    Troubleshooting
    VMWare
    Windows 10 Administration
    Ticketing System
    Helpdesk
    Customer Service
    Technical Support
    System Administration
    Windows Administration
    Microsoft Windows
  • $40 hourly
    • 0.0/5
    • (1 job)
    Highly experienced systems engineer/administrator with more than 15 years in the industry. Been working in small start-ups and large corporations for most of the career. Highly experienced in Microsoft products ranging from client OSs to full server deployments. Also been responsible for active production systems based on CentOS and Ubuntu platforms. Proficient in Azure cloud platform, holder of certifications: Azure administrator (AZ-104) Azure DevOps Engineer Expert (AZ-400)
    Featured Skill Hardware Troubleshooting
    Network Administration
    Red Hat Enterprise Linux
    Microsoft Certified Professional
    Firewall
    Technical Project Management
    Computer
    Microsoft Server
    Linux System Administration
    Linux
    System Administration
    Microsoft Windows
    Microsoft Azure
    Microsoft Exchange Server
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    I'm a seasoned Embedded IoT System Designer with over a decade of experience designing, developing, and deploying innovative IoT solutions. My expertise spans multiple industries, including smart home automation, industrial IoT, healthcare devices, and wearable technology. I specialize in hardware and software development, ensuring seamless integration and optimal performance of IoT systems. My Skills: ✅ Hardware Development: - PCB Design & Layout - Microcontroller (MCU) & Microprocessor (MPU) Integration - Sensor & Actuator Interfacing - Power Management & Energy Harvesting Solutions ✅ Software Development: - Embedded C/C++ Programming - Real-Time Operating Systems (RTOS) - IoT Protocols: MQTT, CoAP, HTTP/HTTPS, LoRaWAN - Firmware Development & Over-the-Air (OTA) Updates ✅ IoT Platforms & Tools: - Arduino, Raspberry Pi, ESP32 - ARM Cortex, STM32, TI MSP430 - IoT Cloud Platforms: AWS IoT, Google Cloud IoT, Azure IoT - Communication Interfaces: UART, SPI, I2C, BLE, Wi-Fi, Zigbee ✅ System Design & Integration: - End-to-End IoT Solution Design - Embedded System Debugging & Testing - Wireless Communication & Networking - Data Acquisition & Processing My Experience: - Smart Home Automation System: Developed a comprehensive home automation solution integrating lighting, HVAC, and security systems, controlled via a mobile app and voice commands. - Industrial Predictive Maintenance Solution: Created an IoT system for real-time industrial equipment monitoring, utilizing machine learning algorithms for predictive maintenance. - Wearable Health Monitoring Device: Designed a wearable device for continuous health monitoring, featuring real-time data transmission to healthcare providers. Certifications: - Certified IoT Professional (CIoTP) - ARM Accredited Engineer (AAE) - Certified ScrumMaster (CSM) I take a holistic approach to each project, ensuring your IoT solutions are functional, scalable, and future-proof. Feel free to reach out and let's create something extraordinary together!
    Featured Skill Hardware Troubleshooting
    Hardware Prototyping
    Assembly Language
    Python
    Embedded C
    MQTT
    Real-Time Operating System
    Firmware Programming
    Internet of Things Solutions Design
    Eagle
    KiCad
    Altium Designer
    Digital Signal Processing
    PCB Design
    Electronic Circuit Design
  • $22 hourly
    • 5.0/5
    • (14 jobs)
    Marketing strategist and blogger With a comprehensive background in data management, marketing, and technology, I bring over ten years of expertise to roles that blend computer hardware insights, software, cybersecurity, and content strategy. I thrive on identifying process gaps and spearheading change for organizational excellence. WORK EXPERIENCE ________________________________________ LSoft Technologies Inc. Marketing Officer (Remote) January 2015 – Present - Led an impactful overhaul of company websites, blogs, and video production, defining the marketing landscape. - Spearheaded the production of engaging promotional videos, managing all aspects from recruiting video editor, and scripting to final delivery. Examples include KillDisk Industrial link1, link2, link3 and Data Studio link1 - Directed and inspired a transformative redesign of product boxes at lsoft.net through strategic collaboration with designers and concept development. - Cultivated and expanded our digital presence through adept management of email marketing campaigns and social media platforms, utilizing tools like MailChimp. - Authored compelling guides and articles, enhancing product understanding and aligning closely with the development team to refine software through rigorous testing and feedback. - Tools: MailChimp, Hubspot, MS Word, Affinity Photo, PowerPoint, Typora. Knowledgeable in HTML and adept at working in MD format preferred by the web admin. HardwarePal Co-Founder and Hardware Editor (Remote) June 2013 – October 2014 - Co-founded HardwarePal, swiftly propelling it into a widely recognized hardware gaming site, thanks to groundbreaking and meticulous benchmarks of CPUs and GPUs. - Garnered widespread internet acclaim and dramatically increased site viewership, resulting in an exponential growth of daily visitors and enhanced Google ranking. - Pioneered performance benchmarks, contributing landmark insights: - Developed the first-ever comparative analysis of CPUs and GPUs, including a detailed study of DX11 vs DX12 in Battlefield 4. - Innovated the Performance Value Index through pioneering CPU tests on highly demanding games. - Established a precedent for testing AMD's API Mantle in Battlefield 4.
    Featured Skill Hardware Troubleshooting
    Market Research
    Technical Support
    Software Testing
    Marketing Strategy
    Email Marketing
    Content Writing
  • $8 hourly
    • 5.0/5
    • (1 job)
    Versatile and trained IT professional, with renowned experience in management. Exceptional management and negotiation skills. Communicative, with a lot of experience in teamwork. Seeking an opportunity to expand mine knowledge and improve already acquired skills. Microsoft System Administrator with experience in Windows administration, various server, desktop and application virtualization. Work on setting up and putting into production of advanced computer equipment (servers, various communication equipment), installation of server OS and virtualization platforms, basic configuration of the networks and network equipment. The first level of support to end users and work with clients, monitoring, diagnostics and troubleshooting of advanced IT system. Knowledge of virtualization platforms (VMware, XEN, Hyper-V). Experience in working with Active Directory.
    Featured Skill Hardware Troubleshooting
    Microsoft Hyper-V Server
    Desktop Support
    Computer Hardware Installation
    Windows Administration
    Windows 8 Administration
    Cisco Certified Network Associate
    VMware ESX Server
    Windows 7 Administration
  • $22 hourly
    • 5.0/5
    • (20 jobs)
    Solution-oriented, highly analytical and resourceful candidate with extensive experience in 3 Serbian banks. - over 5 years working experience in Microsoft Windows server editions 2003/2008 (active directory, DNS, DHC, NAT, WDS, WSUS, NAS, LAN, WAN etc.) - Over 10 years of working experience as a system administrator in Windows 2000/XP/Vista/ 7/ 8 editions. Provided installation, configuration, troubleshooting and customer assistance on both server and desktop platforms. Provided systems upgrade, installing new hardware and software. Expert knowledge of complete windows desktop systems, processes, peripherals, registry, Microsoft Office, hardware etc. Expert knowledge of help desk support and remote technical troubleshooting. Fast problem solving and multitasking, ability to analyze in-depth problems in short time. Used to work under preassure. 
    Featured Skill Hardware Troubleshooting
    TeamViewer
    Virus Removal
    Windows 8 Administration
    Helpdesk
    Windows 7 Administration
    Windows XP
    Online Chat Support
    Email Support
    Customer Support
  • $30 hourly
    • 5.0/5
    • (182 jobs)
    Linux Server Administrator with expert level experience with 1) Cloud servers setup ( setup new servers, migration of existing to cloud, migration from on cloud to another) 2) Setup application on servers, performance tuning of application & server (Apache, Nginx) 3) Security, server hardening, vulnerability resolutions 4) Working on unmanaged servers & Control panel servers ( WHM/CPanel, Direct Admin, Plesk panel, ispconfig) 5) Setup monitoring & backup servers (Nagios, Netdata, Prometheus, Check_MK, R1Soft, Borg) 6) Troubleshooting of Linux Servers issue, Mail servers, SSL installation, Other Linux installation and configuration. 7) Expert in management of cloud servers and migration of VPS 8) Proxmox (KVM) solution for virtualization I currently working as a Linux system administrator. Administering Linux operating system, web server, backup server and VPS server is my speciality. Professionally deal with computers for more than 15 years. 10 years proffessional experinece as an IT technician in charge of the hardware within pc computers, servers and networking equipment. I always try to the client is satisfied. I accept every job seriously and responsibly ends. 100% Client satisfied, that's my motto.
    Featured Skill Hardware Troubleshooting
    Web Hosting
    Firewall
    Email Deliverability
    MySQL
    cPanel
    Virtual Private Server
    Linux System Administration
    SSL
    Plesk
    System Administration
    Ubuntu
    Linux
  • $25 hourly
    • 5.0/5
    • (46 jobs)
    I provide top quality support for various issues related to setting up internet connections, antivirus software, email, general hardware and software and much more.I am efficient in implementing upgrades of software and offer help over various remote desktop variants.I am very expirienced with using team viewer, setting up whole windows eco system, fixing problems etc.Also do the same with Android envirament and navigations system and almost all kind of stuff connected to the remote connetcted PC. And I`m eager to learn to use new tools and skills that would get the job done well for you and your team.
    Featured Skill Hardware Troubleshooting
    TeamViewer
    IT Management
    Computer Maintenance
    Serbian to English Translation
    Desktop Support
    Computer Hardware Installation
    Computer Skills
    Computer Assembly
    Technical Support
  • $30 hourly
    • 0.0/5
    • (2 jobs)
    I’m an Embedded Systems Engineer with experience in hardware development, firmware design, and technical support. Whether you need custom hardware solutions, PCB design, or troubleshooting embedded systems, I can help. Skilled in microcontroller programming, PCB design (Altium Designer), and firmware development Experience in technical support, debugging, and customer success Strong communication and collaboration with international teams I value clear communication and reliability, so let’s connect and discuss how I can assist you.
    Featured Skill Hardware Troubleshooting
    Digital Electronics
    Analog Electronics
    Technical Writing
    Product Support
    Technical Support
    End User Technical Support
    Firmware Programming
    C
    C++
    PCB Design
    Microcontroller Programming
    Embedded System
  • $6 hourly
    • 0.0/5
    • (0 jobs)
    I'm a sports match tagger. I love sports in general, and I follow a large number of different games and sports. When I was younger, I played basketball semi-professionally, and I have been playing tennis recreationally for many years.
    Featured Skill Hardware Troubleshooting
    Sports
    Search Tool
    Translation
    Data Entry
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    More than fifteen years of onsite and remote technical support helped me to develop a logical and innovative approach to any troubleshooting. Over the course of my career, I have been involved in supporting different roles. - Hardware - Applications and hardware combination - Data analysis - Networking Working in wide range of roles helped me understand that path to resolution sometimes requires combining different skill and tools in new way. Working as part of large and small teams with the single goal of delivering excellent customer service helped me develop professional communication skills and sense how best to support my colleagues. On the opposite end, years of working one man operations created an independent person that can deliver desired results without supervision. Whether I am part of a group endeavor or alone in a remote location, I am completely dedicated to completing tasks set in front of me.
    Featured Skill Hardware Troubleshooting
    Technical Analysis
    Technical Writing
    Network Analysis
    Knowledge Management
    Network Equipment
    Phone Communication
    Tech & IT
    Customer Service
    Technical Support
  • $6 hourly
    • 5.0/5
    • (6 jobs)
    My profession is Computer Hardware and Software Professional, I am in this business nearly 15 yrs. My everyday job is PC and laptop repair and this include: Hardware ( installation, diagnostic and repair) , Software : Operating System installation-upgrade-maintenance, etc.
    Featured Skill Hardware Troubleshooting
    WordPress
    HTML
    VLOOKUP
    Content Management
    CSS
    TeamViewer
    Windows Administration
    Microsoft Word
    Microsoft Excel
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    Welcome to my professional profile, where you'll discover a seasoned System Administrator with over 5 years of hands-on experience in the field. I specialize in VMware virtualization, proudly maintaining and optimizing a robust infrastructure of over 200 virtual servers on vSphere across 10 datacenters. My expertise extends beyond virtualization; I have a solid background in on-premises Exchange administration, ensuring seamless communication within organizations. I've honed my skills in workstation management and efficiently handle updates and patches using WSUS (Windows Server Update Services). In addition to my technical prowess, I have a unique perspective as I've worked in the banking sector. This experience equips me with an in-depth understanding of banking processes, applications, and servers. I'm well-versed in the intricacies of banking operations and can seamlessly integrate technology solutions to enhance efficiency and security. Furthermore, I have experience with advanced email security solutions such as Symantec Messaging Gateway, as well as cutting-edge threat detection and response tools like Darktrace and Antigena. This allows me to provide comprehensive protection against cyber threats and ensure the integrity of your organization's digital assets. I excel in Mobile Device Management (MDM), having deployed and managed numerous devices, ensuring secure and efficient mobile operations. My expertise also extends to centralized antivirus systems, where I implement robust solutions to safeguard your network from malware and cyber threats. In the realm of network administration, I have extensive experience with domain controllers and policies, ensuring the smooth operation and security of your organization's network infrastructure. When you choose to work with me, you're partnering with a skilled and dedicated professional who not only possesses technical expertise but also understands the specific needs of the banking industry. I look forward to contributing my knowledge and experience to help your organization thrive in the digital age, all while prioritizing security and efficiency at every step.
    Featured Skill Hardware Troubleshooting
    Storage Area Network
    Data Center
    Antivirus & Security Software
    Mobile Device Management
    Software Testing
    Adobe Photoshop
    Data Migration
    Data Center Migration
    Virtualization
    VMware Administration
    Microsoft Exchange Server
    Office 365
    VMware vSphere
    System Administration
  • $10 hourly
    • 4.2/5
    • (8 jobs)
    I'm an experienced web developer with expertise in HTML, CSS, JavaScript, and Python. I've worked extensively with frameworks like Django, Flask, React, and Vue.js, focusing on creating user-friendly websites that balance aesthetics with performance. I'm committed to continuous learning to stay updated with the latest tech trends and deliver innovative solutions. My goal is to craft engaging digital experiences that drive growth and user engagement.
    Featured Skill Hardware Troubleshooting
    Software
    Computer Hardware
    Java
    WordPress
    CSS
    Web Development
    HTML
    Web Design
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    I'm a hardware designer, with 3 years of expirence in design and development electrical devices. I can help: - PCB Layout - Analog and Digital Circuit Design - Simulation and Testing - Troubleshooting - CAD Tools (e.g., Altium, KiCad) - Test case modeling(Solidworks) - Project Management - Technical Documentation
    Featured Skill Hardware Troubleshooting
    3D Design
    PCB Design
    Test Design
    Test Case Design
    SolidWorks
    KiCad
    Altium Designer
  • $24 hourly
    • 0.0/5
    • (0 jobs)
    I’m an experienced electronics specialist with 20 years of expertise in repair, troubleshooting, and problem-solving. Whether you need firmware development, embedded systems programming, or electronic circuit diagnostics, I can help. Skilled in C for embedded systems, with 2 years of experience in firmware development Certified in C# with a Microsoft certificate from IT Academy Extensive knowledge of electronics repair and hardware diagnostics Experience in remote support and technical assistance Dedicated and detail-oriented professional who values precision over improvisation Full project management from start to finish
    Featured Skill Hardware Troubleshooting
    C#
    English
    Computer Hardware Installation
    Computer Hardware
    Hardware Testing
    Embedded C
    Desktop Application
    Electronic Workbench
  • $5 hourly
    • 0.0/5
    • (0 jobs)
    I graduated from a technical high school as a Robotics Technician and I'm currently pursuing a Bachelor's degree at the Faculty of Electrical Engineering. My academic background gives me a solid foundation in electronics, telecommunications systems, programming, and computer architecture. I have hands-on experience in computer and smartphone repair, with in-depth knowledge of hardware, software, and operating systems (Windows, Linux). I’m also proficient with virtualization tools such as VirtualBox and comfortable working in various system environments. Skilled in graphic and video design using Adobe Photoshop and Vegas Pro, I create professional and creative visual content tailored to client needs. Fluent in both English and Serbian, I offer high-quality translations with a focus on technical, IT, and engineering-related content. Tech-savvy, reliable, and detail-oriented — I’m passionate about solving problems and helping clients bring their projects to life through smart, efficient work.
    Featured Skill Hardware Troubleshooting
    HTML
    C#
    JavaScript
    VirtualBox
    Computer Hardware
    Game Testing
    Software Testing
    Video Design
    C++
    Python
    C
    Graphic Design
    Translation
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Top cities for Hardware Troubleshooting Specialists in Serbia
Show more