Troubleshooters Untuk Dipekerjakan
Menampilkan 80 hasil
Freelancer yang didanai
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engkarimismail engkarimismail
$50 USD / jam
✅ Senior Network & System Engineer | Security|VIOPMalaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva kurang
Rekrut engkarimismail
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AmazingEngr76386 AmazingEngr76386
$25 USD / jam
Design ⭕ Development ⭕ Engineering ⭕ 13+ years expPakistanSince 2014, I’ve been helping startups, businesses, and enterprises bring their ideas to life through innovative code and immersive design. As a solo freelancer, I work directly with you — ensuring every detail aligns with your goals, timelines, and long-term growth. I’ve built a strong network of certified...Since 2014, I’ve been helping startups, businesses, and enterprises bring their ideas to life through innovative code and immersive design. As a solo freelancer, I work directly with you — ensuring every detail aligns with your goals, timelines, and long-term growth. I’ve built a strong network of certified developers, engineers, and 3D specialists I can tap into when a project needs extra hands. This way, you get the flexibility, focus, and personal attention of a freelancer — with the capability and expertise of a full team when required. Whether you need a blockchain platform, mobile app, AI-powered system, or stunning 3D visualization, I’ll make sure your solution is built to perform, scale, and last. What I Offer Blockchain & Web3 NFTs, NFT games, Metaverse platforms Ethereum, Solana, BSC, WAX, Polygon Smart Contracts, DApps, DEXs (PancakeSwap, Uniswap) Arbitrage, Sniper, and Sandwich Bots Technical whitepapers & full-stack Web3 apps Web Development Laravel, Symfony, CakePHP, CodeIgniter MERN / MEAN stacks, React, Vue, Node.js WordPress, Webflow, Bubble.io, Podio, Gobiflow RESTful APIs, JSON, Docker, custom dashboards Mobile App Development Native Android and iOS Cross-platform: Flutter, React Native, Ionic, Xamarin AR/VR-enabled apps eCommerce & CMS Shopify, WooCommerce, BigCommerce, PrestaShop CRM & ERP: Odoo, Zoho, SuiteCRM, vTiger, WHMCS Custom plugins, integrations, storefronts AI & Computer Vision OpenCV, YOLO, OCR, TensorFlow GPT-3/4, ChatGPT integration, custom chatbots NVIDIA Jetson deployment, ML models Trading & Automation Systems MetaTrader, TradingView, NinjaTrader, Sierra Chart Binance, KuCoin, Thinkorswim, Interactive Brokers Pine Script, backtesting tools, alert bots, strategies Embedded & Hardware Systems Arduino, Raspberry Pi, ESP32 MATLAB, C++, VB.NET, WPF, Qt, Java IoT automation, robotics, industrial solutions 3D Services Architecture & Interior Visualization 3D Modeling (products, characters, environments) 3D Animation (walkthroughs, simulations, branding) Technical drafting & visualization Design & UI/UX Figma, Adobe Photoshop, Illustrator Responsive interface design & brand assets Focus on clarity, usability, and engagement Why Work With Me 10+ years of hands-on experience Direct, personal involvement in every project Flexible — can work solo or with my trusted network Clear communication & milestone-based progress Scalable, secure, and maintainable code Long-term support & post-launch updates kurang
Rekrut AmazingEngr76386
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بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ In the name of ALLAH, the Most Gracious , the Most Merciful. _______________________________________________________________ I’m an experienced IT professional with a strong background in server and network administration, cloud infrastructure, and systems integration. Over the...بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ In the name of ALLAH, the Most Gracious , the Most Merciful. _______________________________________________________________ I’m an experienced IT professional with a strong background in server and network administration, cloud infrastructure, and systems integration. Over the years, I’ve worked across diverse environments — including Windows Server, AWS, Azure AD, and Office 365 — helping organizations streamline their IT operations, strengthen security, and modernize their digital infrastructure. My approach combines technical expertise with practical problem-solving. Whether it’s migrating hundreds of mailboxes, optimizing DNS and firewall configurations, or managing hybrid cloud systems, I focus on delivering reliable, secure, and seamless results. Core Expertise Email Migrations- Migrations between Office 365, Google Workspace, Zoho, GoDaddy, and cPanel Tenant-to-tenant and domain-based migrations IMAP and POP-based migrations Hybrid migration planning (on-premise to cloud) Troubleshooting mail flow, delivery issues, and MX/DNS records Ensuring seamless user transitions with zero data loss Cloud & Email Services- Email setup and management: Office 365, Google Workspace, Zoho Mail, GoDaddy AWS: EC2, VPC, SES, IAM, Route 53, CloudWatch, SNS, VPN Azure AD: Identity Management, SSO, SAML, IDP Google Cloud Platform integration DNS & Security DNS record management: SPF, DKIM, DMARC, CNAME, MX, A SSL certificate installation and troubleshooting Firewall configuration: FortiGate (Web Filter, App Control, LDAP, SSO) Server & Directory Services- Windows Server (2008–2024) and Active Directory administration Group Policy, LDAP, RADIUS, and Domain Controllers Server migration, backup & restore, and RAID management PowerShell scripting, WDS, and WSUS deployment Virtualization & Automation- Virtualization platforms: Microsoft Hyper-V, VMware ESXi, vCenter Scripting & automation: PowerShell, Bash File & Web Services- File servers: IIS FTP, FileZilla, ProFTPD, Samba Web servers: Apache, NGINX, Microsoft IIS Networking & Support- Network administration and troubleshooting Site-to-site VPN and secure connectivity Remote technical support for diverse IT systems. I take pride in delivering dependable, secure, and efficient IT solutions that help businesses operate smoothly and confidently. My goal is always to combine strong technical expertise with a people-first approach, ensuring every project — from migration to automation — creates real value for the organization. kurang
Rekrut zulqrn
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✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. kurang
Rekrut touhidecevw
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Pavlo1Liashenko Pavlo1Liashenko
$30 USD / jam
AI | Web | Mobile | Automation | Chatbot |ScrapingPolandI am a Full Stack, Mobile, and DevOps Engineer with 8 years of experience building scalable, high-performance applications and automating complex business workflows. I specialize in AI-driven solutions, end-to-end product development, cloud infrastructure, and automation, delivering reliable systems that are fast,...I am a Full Stack, Mobile, and DevOps Engineer with 8 years of experience building scalable, high-performance applications and automating complex business workflows. I specialize in AI-driven solutions, end-to-end product development, cloud infrastructure, and automation, delivering reliable systems that are fast, secure, and easy to maintain. With a strong background across web, mobile, backend, and DevOps, I help companies move from idea → prototype → production with clean architecture, modern tooling, and long-term scalability in mind. 🧠 Core Expertise -Artificial Intelligence & Automation – AI agents, LLM integrations (OpenAI, Claude, Gemini), RAG, workflow automation, NLP, vision, and process optimization -Full Stack Development – React / Next.js, Node.js, TypeScript, REST & GraphQL APIs, microservices -Mobile Development – Flutter / React Native for high-performance cross-platform apps -Backend & Distributed Systems – Go / Node.js / Python, event-driven architecture, WebSockets, real-time messaging -Cloud & DevOps – AWS, GCP, Docker, Kubernetes, CI/CD pipelines, infrastructure automation (IaC) -Database & Storage – PostgreSQL, MySQL, Redis, MongoDB, S3, Firebase -System Architecture – Clean architecture, domain-driven design, scalable backend infra 🚀 What I Deliver -AI-powered applications and assistants -Full-stack web platforms (MVP to enterprise scale) -Cross-platform mobile apps (iOS + Android) -Reliable CI/CD automation and DevOps workflows -Real-time apps: chat, notifications, streaming, collaboration -Scalable microservices & cloud infrastructure -High-quality code, documentation, and long-term support ✅ Why Clients Work With Me -8+ years across AI, Mobile, Full Stack, and DevOps -Proven track record of delivering production-ready systems -Clear communication and solution-focused mindset -Fast onboarding and independent execution -Focus on performance, security, and scalability kurang
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I’m a freelance programmer with over 6 years of experience in developing both web and mobile applications. I’ve worked on a wide range of projects, including e-commerce platforms, social networks, media apps, and tools using machine learning such as image recognition and ID card scanning. I also build custom business...I’m a freelance programmer with over 6 years of experience in developing both web and mobile applications. I’ve worked on a wide range of projects, including e-commerce platforms, social networks, media apps, and tools using machine learning such as image recognition and ID card scanning. I also build custom business and management applications for internal use, based on specific client needs. Skills & Technologies: Web Development: HTML, CSS, JavaScript, TypeScript, React, Vue, Node.js, Django, Laravel, MySQL, PostgreSQL, MongoDB, Firebase Mobile Development: Flutter, React Native Android (Java/Kotlin) iOS (Swift) I focus on building clean, efficient, and user-friendly apps that solve real problems. I’m always open to new projects and happy to discuss how I can help. Let’s work together! kurang
Rekrut loinguyen254
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Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an...Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an excellent English speaker/communicator with good collaboration experience. Looking forward to discussing more details. Best regards. Emile. kurang
Rekrut emilesd617
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⭐ *“15+ years securing Linux servers & PHP/WP sites—100% uptime, 24/7 threat defense.”* ⭐ Hi, I’m Mohammad A., a dedicated Linux Server Administrator and Security Specialist with over 15 years of experience. I’m passionate about helping businesses like yours achieve reliable, secure, and high-performance server...⭐ *“15+ years securing Linux servers & PHP/WP sites—100% uptime, 24/7 threat defense.”* ⭐ Hi, I’m Mohammad A., a dedicated Linux Server Administrator and Security Specialist with over 15 years of experience. I’m passionate about helping businesses like yours achieve reliable, secure, and high-performance server environments. Whether you need a custom VPS setup, seamless website migration, or advanced server security, I deliver tailored solutions that drive success. With 100+ 5-star reviews from global clients, I’m committed to exceeding your expectations with 24/7 support and proven expertise. Let’s build a hosting solution that empowers your business—reach out today! What I Offer: ✨ Linux Server Management: Optimize LAMP/LEMP stacks for seamless performance. ✨ VPS & Dedicated Server Setup: Custom configurations tailored to your needs. ✨ Server Security: Malware removal, firewall setup, and threat defense (e.g., reduced security incidents by 50%). ✨ Cloud Hosting Solutions: Expertise in AWS, Google Cloud, and Azure for scalable setups. ✨ Control Panel Mastery: Proficient in cPanel, Plesk, CyberPanel, and WHM. ✨ Website Migration: Migrated 500+ websites with zero downtime or data loss. ✨ SSL & DNS Management: Troubleshoot SSL errors and configure DNS. ✨ Performance Optimization: Boost server speed (e.g., improved load times by 30%). ✨ Error Troubleshooting: Resolve PHP, database, and configuration issues. Why Choose Me? ✨ Client-Focused Approach: I tailor every project to your specific goals. ✨ 24/7 Support: Available round-the-clock for urgent issues. ✨ Proven Excellence: Trusted by 100+ clients with 5-star reviews. How I Can Help You ✔ Troubleshoot and resolve server issues to ensure peak performance. ✔ Configure VPS and dedicated servers for optimized setups. ✔ Strengthen your server security with proactive measures. ✔ Migrate websites seamlessly with guaranteed uptime. ✔ Manage and troubleshoot control panels like cPanel, Plesk, and WHM. ✔ Optimize high-traffic websites for faster speeds and reliability. Availability: 30 hours/week Rates: $20 USD/hour (negotiable) Let’s Get Started! Ready to ensure your hosting environment is secure and high-performing? Contact me today to discuss your needs! kurang
Rekrut armanmohammad
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Hi! I'm Hung, a seasoned Full-Stack Developer with over 5 years of expertise, I specialize in crafting scalable , high-performance web applications and management systems that align with your business goals. Utilizing cutting-edge technologies like Php, Laravel, Python, Node.js, Vue.js, React, WordPress, Magento,...Hi! I'm Hung, a seasoned Full-Stack Developer with over 5 years of expertise, I specialize in crafting scalable , high-performance web applications and management systems that align with your business goals. Utilizing cutting-edge technologies like Php, Laravel, Python, Node.js, Vue.js, React, WordPress, Magento, CodeIgniter, and Shopify, I deliver exceptional results on time and within budget. 💻 My Expertise Backend Mastery ✓ PHP Frameworks: Expert in Laravel, CodeIgniter, CakePHP, and Yii. ✓ Python Expertise: Skilled in Flask, Django, FastAPI, Celery, and WebSocket integrations. ✓ Node.js Mastery: Experience with Express.js, NestJS, Hapi.js, Sails.js, and real-time applications using Socket.IO. ✓ Database Expertise: Proficient in MySQL, PostgreSQL, MongoDB, SQLite, NoSQL, and SQL Server--optimized for performance. ✓ API Development: Specializing in RESTful and GraphQL APIs with seamless third-party integrations. ✓ CMS Expertse: Extensive experience with Magento 1 & 2, WordPress, Squarespace, Shopify, and more. Frontend Excellence ✓ Core Languages: HTML5, CSS3, JavaScript (ES6+), TypeScript, jQuery. ✓ Frameworks/Libraries: Vue.js (Next and Nuxt), React, Angular, Alpine.js, Bootstrap, and Tailwind CSS. ✓ Specialties: Proficient in Progressive Web Apps (PWA), PSD/Figma-to-HTML conversions, ensuring pixel-perfect, responsive designs. ✨Services I Offer ✓ Custom Web Applications: Tailored solutions built from the ground up or optimized for performance. ✓ API Development & Integration: From RESTful to GraphQL, ensuring smooth data flow. ✓ E-commerce Solutions: Customization for platforms like Magento, Shopify, and WooCommerce. ✓ Scalable Backend Solutions: Designed for high-traffic systems. ✓ Frontend Development: User-friendly interfaces powered by Vue.js or React. ✓ Ongoing Maintenance & Support 🎯 Why Clients Choose Me ? ✔️ Proven Experience ✔️ Problem Solver ✔️ Commitment to Excellence ✔️Your Success is My Goal Results You Can Expect ✓ Optimized for performance and scalability. ✓ Aligning with your business goals and growth strategies. ✓ Focusing on performance, security, and scalability. Ready to Get Started? Let's connect today! I am committed to building long-term partnerships. Feel free to reach out with any questions or project inquiries. KEYWORDS: #WordPress #PHP #Laravel #Vue #MVC #Python #MySQL #WebDesign #WebAPI #NodeJS #ReactJS #Backend #Frontend #FullStack #Shopify kurang
Rekrut giaphung2k1
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Top 1% IT Expert | Verified Professional | Highly Recommended ✅ Certified Cloud & Network Specialist ✅ Remote IT Support | Server & Endpoint Management ✅ Cybersecurity | Virtualization | Backup & Recovery 🔧 Expertise: Windows & Linux Server Admin | AD, VPN, Squid Proxy VMware ESXi, Hyper-V, Oracle VM, Red...Top 1% IT Expert | Verified Professional | Highly Recommended ✅ Certified Cloud & Network Specialist ✅ Remote IT Support | Server & Endpoint Management ✅ Cybersecurity | Virtualization | Backup & Recovery 🔧 Expertise: Windows & Linux Server Admin | AD, VPN, Squid Proxy VMware ESXi, Hyper-V, Oracle VM, Red Hat Cloud Platforms: Azure, AWS, VMware vSphere Networking: LAN/WAN, Cisco, TP-Link, D-Link Security: (ISC)² Certified, NYU & IBM Cybersecurity Monitoring: Uptime Robot, Freshping Backup/Recovery: Acronis, VCenter 🎯 What Sets Me Apart: ⭐ Ranked Top 100 Freelancers ⭐ Google, IBM, Microsoft & Oracle Certified ⭐ 30 Days Free Post-Project Support ⭐ Instant Response – 24/7 Availability ⭐ 100% Client Satisfaction & Proven Track Record 🚀 Let’s bring your IT goals to life. Click "Hire Me" – Your Project Deserves the Best! kurang
Rekrut farazpak
