Troubleshooters do zatrudnienia
Wyświetlono 109 wyników
Wykonawcy sponsorowani
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engkarimismail engkarimismail
$50 USD / godzinę
✅ Senior Network & System Engineer | Security|VOIPMalaysia✅ 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 mniej
Zatrudnij engkarimismail
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Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive mniej
Zatrudnij iosifpeterfi
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AliAsif4856 AliAsif4856
$10 USD / godzinę
🏆 Top-Rated WordPress Speed, Security & Fixes ProPakistanFixing slow, hacked, and broken WordPress websites with precision and guaranteed results. Are you dealing with a slow, hacked, or unstable WordPress website? I can fix it — quickly, professionally, and with long-lasting results. I’m a senior WordPress technical specialist with 6+ years of experience working on...Fixing slow, hacked, and broken WordPress websites with precision and guaranteed results. Are you dealing with a slow, hacked, or unstable WordPress website? I can fix it — quickly, professionally, and with long-lasting results. I’m a senior WordPress technical specialist with 6+ years of experience working on high-performance, secure, and fully optimized WordPress websites. I’ve successfully repaired, optimized, and secured 650+ WordPress and WooCommerce websites, helping businesses improve speed, stability, SEO, conversions, and overall performance. I turn WordPress problems into clean, fast, secure, and stable websites — every single time. 🔧 What I Do ⚡ Performance & Speed Optimization Load times under 2 seconds 90+ PageSpeed Insights & A+ GTmetrix performance Full optimization of CSS, JS, images, caching, and databases Core Web Vitals improvements for better SEO & user experience 🛡️ WordPress Security & Hack Cleanup Complete malware removal & blacklist fixes Japanese keyword hack, spam redirects, and injected script removal Security hardening, firewalls & long-term protection 🐞 Error Fixing & Technical Troubleshooting White screen of death, 5xx/4xx errors, broken layouts Plugin conflicts, PHP issues, and database problems WooCommerce checkout, cart, and payment failures 🎨 Custom WordPress Design & Development Modern, responsive, mobile-first designs Custom themes, templates, and advanced functionality High-conversion landing pages (Elementor, Divi, Gutenberg, WPBakery) 🛒 WooCommerce Repair & Optimization Fix product variations, errors & theme incompatibilities Checkout optimization & payment gateway fixes Speed improvements for large stores 🔄 Migration, Setup & Configuration Hosting/domain migration with zero downtime SSL setup, CDN configuration & caching setup Fresh WordPress installations and full setup 🔁 Ongoing Support & Maintenance 24/7 availability for emergencies Weekly updates, monitoring, and backup automation Long-term technical support plans 🧩 Why Clients Trust Me ✔ 6+ years of proven WordPress expertise ✔ 640+ successful fixes, optimizations & cleanups ✔ Clear communication & quick delivery ✔ Transparent workflow with before/after reports ✔ Satisfaction guarantee — I stand behind my work I don’t just “fix problems.” I deliver stable, secure, high-performing WordPress systems that support your business long-term. 📩 Let’s Make Your Website Problem-Free Whether you need speed, security, fixes, optimization, or a complete redesign — I’m here to help. Send me a message now and get your WordPress site running perfectly. mniej
Zatrudnij AliAsif4856
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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. mniej
Zatrudnij zulqrn
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════════════════════════⭐️⭐️⭐️⭐️⭐️════════════════════════ Greetings, I am Daniel, a dedicated and seasoned freelancer specializing in computer solutions. With a wealth of experience in Windows platforms, I am deeply committed to delivering top-tier solutions to my clientele. As the founder of Danysys, I boast a...════════════════════════⭐️⭐️⭐️⭐️⭐️════════════════════════ Greetings, I am Daniel, a dedicated and seasoned freelancer specializing in computer solutions. With a wealth of experience in Windows platforms, I am deeply committed to delivering top-tier solutions to my clientele. As the founder of Danysys, I boast a proven track record of consistently achieving outstanding outcomes. My expertise spans a wide array of areas including malware removal, software development in various languages such as C, C++, C#, VB, .Net, Pascal, FreeBasic, PureBasic, Python, PHP, PowerShell, AutoIt, InnoSetup, Scraping, and Scripting. Moreover, I am always open to expanding my skill set by learning and incorporating new technologies beyond those listed. My unwavering dedication lies in ensuring job satisfaction and surpassing client expectations. Let us collaborate to breathe life into your project! ════════════════════════⭐️⭐️⭐️⭐️⭐️════════════════════════ Saludos, soy Daniel, un freelancer dedicado y experimentado especializado en soluciones informáticas. Con una gran experiencia en plataformas Windows, estoy profundamente comprometido a brindar soluciones de primer nivel a mi clientela. Como fundador de Danysys, me enorgullezco de tener un historial comprobado de lograr resultados sobresalientes de manera constante. Mi experiencia abarca una amplia gama de áreas, incluyendo la eliminación de malware, el desarrollo de software en varios lenguajes como C, C++, C#, VB, .Net, Pascal, FreeBasic, PureBasic, Python, PHP, PowerShell, AutoIt, InnoSetup, Scraping y Scripting. Además, siempre estoy abierto a ampliar mi conjunto de habilidades aprendiendo e incorporando nuevas tecnologías más allá de las enumeradas. Mi inquebrantable dedicación radica en garantizar la satisfacción laboral y superar las expectativas de los clientes. Colaboremos para dar vida a tu proyecto. mniej
Zatrudnij dany3j
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🚀 Full Stack Developer | Laravel, MERN, WordPress, Web3, AI | 12+ Years of Building Scalable Digital Platforms I help founders, startups, and agencies build powerful, investor-ready digital products with speed, precision, and reliability. With over 12 years of experience, I specialize in full stack web development,...🚀 Full Stack Developer | Laravel, MERN, WordPress, Web3, AI | 12+ Years of Building Scalable Digital Platforms I help founders, startups, and agencies build powerful, investor-ready digital products with speed, precision, and reliability. With over 12 years of experience, I specialize in full stack web development, CMS customization, eCommerce, AI integrations, and blockchain solutions—delivering high-performance systems that scale. Clients trust me when: ● “We need a reliable developer to take full ownership of the tech stack” ● “We want an expert in Laravel, MERN, or WordPress who just gets it” ● “We’re launching something big and need fast, high-quality delivery” ● “We’re integrating AI or blockchain and need someone with proven experience” 🔧 My Core Tech Stack Includes: Backend & Frameworks: ✅ Laravel, PHP, CodeIgniter, Node.js ✅ .NET Framework, Express.js, REST APIs ✅ MySQL, MongoDB, MariaDB, PostgreSQL Frontend & CMS: ✅ React, AngularJS, JavaScript, HTML/CSS ✅ WordPress (custom themes, Elementor, WooCommerce) ✅ Shopify / Shopify Plus, Webflow, Wix, BigCommerce, Squarespace ✅ Figma to HTML / WordPress / React ✅ PSD to WordPress / HTML Blockchain & Web 3.0: ✅ Solidity, dApps, Smart Contracts ✅ Ethereum, Polygon, DeFi, NFTs ✅ Web3.js, Ganache, Tokenomics AI & Automation: ✅ OpenAI / ChatGPT / GPT-4 integrations ✅ Twilio bots, custom chatbots, voice automation ✅ AI-enhanced forms, content, and user flows eCommerce & Payment Integrations: ✅ Stripe, PayPal, Square, Apple Pay, Bambora, Authorize.Net ✅ Dropshipping automation & XML feeds (Bayut, Dubizzle, etc.) ✅ RapidAPI, Firebase, custom API development Business Systems & Tools: ✅ Zoho (CRM, Books, SalesIQ) ✅ ERP/CRM/HRM platforms ✅ Git, Agile, XAMPP, LAMP, MAMP, Laragon ✅ Microsoft Office Suite (PowerPoint, Excel, Word) 💡 Whether you’re launching a SaaS, scaling an eCommerce business, or integrating AI/blockchain into your product—I deliver rock-solid engineering with real business impact. ✔️ Clean, scalable, secure code ✔️ Thoughtful UI & user-first development ✔️ On-time delivery, strong communication ✔️ Flexible collaboration: solo or with your in-house team 🧠 Who I Work Best With: ● Funded startups or growing teams who need fast, reliable development ● Founders who value communication, transparency, and long-term thinking ● Agencies looking for a dependable full stack partner ● Projects with vision—where quality, scale, and futureproofing matter 🚫 Not a fit if you're only looking for the cheapest option or quick hacks with no long-term plan. 📩 Let’s Talk If you’re ready to build something amazing—clean, fast, scalable, and built to impress—hit “Send Message” and tell me: 👉 What you're building 👉 Where you're stuck 👉 Why you think we’d be a good fit Let’s make your tech vision real. mniej
Zatrudnij Azursol
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I am a Senior DevOps Engineer and Cloud Architect with over 14 years of deep expertise in Linux System Administration and Infrastructure. Originally trained in Physics, I bring a scientific, analytical approach to solving complex IT problems—I don't just maintain systems; I understand the "physics" of how they break...I am a Senior DevOps Engineer and Cloud Architect with over 14 years of deep expertise in Linux System Administration and Infrastructure. Originally trained in Physics, I bring a scientific, analytical approach to solving complex IT problems—I don't just maintain systems; I understand the "physics" of how they break and how to make them resilient. My career has evolved from the trenches of Help Desk support to founding my own IT service agency, and now tackling global-scale cloud challenges. I am currently pursuing an MSc in Computer Engineering to bridge practical experience with advanced theory. Core Competencies: - Cloud Platforms: Microsoft Azure, AWS - Infrastructure as Code (IaC): Terraform, Ansible - Containerization & Orchestration: Docker, Kubernetes - Observability: Prometheus, Grafana, ELK Stack - OS: Deep Linux System Administration mastery Whether you need to migrate to the cloud, automate your infrastructure, or stabilize a chaotic environment, I bring the patience of a father of twins and the precision of an engineer to get the job done right. mniej
Zatrudnij ahmadpiran
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I have been offering expert website development and digital marketing services for businesses in various niches for the last 8 years. During these years, I have gained expertise in the following fields: 1. Website Design and Development: - Modern web design with WordPress, Shopify, Squarespace, Wix and HTML5 -...I have been offering expert website development and digital marketing services for businesses in various niches for the last 8 years. During these years, I have gained expertise in the following fields: 1. Website Design and Development: - Modern web design with WordPress, Shopify, Squarespace, Wix and HTML5 - Responsive web design - PHP web templates - eCommerce website - WordPress design - UI/UX design - Mobile-friendly design - Figma to responsive web design 2. Search Engine Optimization (SEO): - Expert SEO audit - Increase website traffic - Google ranking - SEO content - Local SEO - Google My Business Profile - Backlinking - Technical SEO - Competitive Keyword research - Content Strategy and Blog outreach 3. Graphic Design services: - Logo design - Brand identity - Creative graphic designer - Photoshop and Illustrator retouch - Infographic design - Digital art - Business card design My services are outcome driven and I love to keep myself updated with the latest updates and trends. No matter the current standing of your website, I will bring visible changes in its look and feel and with my marketing tricks, I will make sure your website visitors are turned into customers in no time. Use the "HIRE ME" button at the right to start the process of turning your dream into a reality. mniej
Zatrudnij ranjika08
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giaphung2k1 giaphung2k1
$15 USD / godzinę
Wordpress | Php | Laravel | ReactJS | Python | ...VietnamHi! 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 mniej
Zatrudnij giaphung2k1
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Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks...Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks quickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy mniej
Zatrudnij ramygoda1590
