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高级威客
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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 收起
雇用 iosifpeterfi
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✅ 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 收起
雇用 engkarimismail
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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. 收起
雇用 dany3j
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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. 收起
雇用 ahmadpiran
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Are you searching for a dynamic and skilled IT professional to elevate your business? Look no further! I am an experienced freelancer offering a wide range of services to boost your online presence and drive success. With a passion for quality assurance software testing, I ensure flawless software performance. As a...Are you searching for a dynamic and skilled IT professional to elevate your business? Look no further! I am an experienced freelancer offering a wide range of services to boost your online presence and drive success. With a passion for quality assurance software testing, I ensure flawless software performance. As a Cisco Certified Network Associate (CCNA), I excel in network engineering, optimizing network infrastructures with precision. For seamless system administration, I manage servers and maintain optimal performance in Linux and Windows environments. TestRail expertise streamlines testing processes, enhancing efficiency. I bring creativity and technical prowess to web design and development, crafting engaging user experiences and visually stunning designs. From ecommerce platforms to personal portfolios, I bring your vision to life. As a multilingual translator (Urdu to English), I bridge linguistic barriers and expand your reach. I also offer expert teaching in English, computer science, and IT subjects. From data entry to database administration (MySQL and Microsoft SQL), finance, and business administration, my meticulous attention to detail and organizational skills drive operational efficiency. As a Microsoft Certified Specialist in PowerPoint, Excel, and Word, I create impactful presentations, automate spreadsheets, and produce professional documents. Proficient in Microsoft Azure and AWS, I deploy, manage, and optimize secure and scalable cloud environments for your business needs. For hassle-free web hosting and domain registration, I specialize in cPanel/WHM, WHMCS, WordPress, and Joomla configuration and installation. I am a versatile IT professional with expertise in quality assurance software testing, network engineering, system administration, web design and development, translation services, and more. Let's collaborate and drive tangible business growth together! 收起
雇用 wallymna
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With years of experience in web development and server management, I bring a wealth of expertise to the table. Whether you're a budding entrepreneur, a small business owner, or an established enterprise, my skills and dedication are at your service.With years of experience in web development and server management, I bring a wealth of expertise to the table. Whether you're a budding entrepreneur, a small business owner, or an established enterprise, my skills and dedication are at your service. 收起
雇用 sabdsouza
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Hello! I'm Juan Jose C, a full-stack developer with +7 years of experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, Angular, React, Next.js, Node.js, Vue.js and...Hello! I'm Juan Jose C, a full-stack developer with +7 years of experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, Angular, React, Next.js, Node.js, Vue.js and Tailwind CSS. I also leverage the latest and most popular AI code tools to write fast, efficient, and scalable code, ensuring top-tier performance and innovation in every project. My Main Skills: Frontend: React, Next.js, Vue.js, TailwindCSS, Shadcn Backend: Node.js, Express, Laravel, Python, Django, REST APIs, FastAPI, GraphQL, WebSocket, Socket.io AI & LLMs: OpenAI (GPT-4, ChatGPT), Chatbot, LangChain, Cohere, Pinecone Cloud & Deployment: Vercel, AWS, Firebase Database: MySQL, MongoDB, PostgreSQL, Supabase, Adrant, ChromeDB Tools: Cursor, Lovable, Bolt.new, V0.dev, Zed, Warp, Figma 收起
雇用 juanjosec63
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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 收起
雇用 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 收起
雇用 ramygoda1590
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Hi, This is Ihtsham Ul Haq. I am a passionate Website developer. I have created Web sites and made happy client. Every thing around me inspires me. Regards! Ihtsham Ul Haq Introducing myself as a web designer/developer. Thanks for visiting my profile. I consider your valuable time so before awarding a job kindly...Hi, This is Ihtsham Ul Haq. I am a passionate Website developer. I have created Web sites and made happy client. Every thing around me inspires me. Regards! Ihtsham Ul Haq Introducing myself as a web designer/developer. Thanks for visiting my profile. I consider your valuable time so before awarding a job kindly contact me and discuss the project in detail. I'm very responsive and I will try to respond your messages as soon as possible.The following are the areas of my expertise: ****Web Design & development**** o PSD to wordpress o HTML/CSS o Website and User Interface Design o Web Page design o UI/UX design ****Software/Application Expertise****: o Microsoft Word/PowerPoint/Excel o WordPress o Woo-commerce o E-commerce responsive store using HTML/CSS o Shopify o Custom PHP o Wix o SqaureSpace ****HTML****: o Responsive HTML 5 o Bootstrap o Responsive Newsletter -------------------------------------------- **** Graphic Design Expertise****: o Any type of graphics design o Logo Design o Business Card Design o Brochure Design o Menu Card design o Label Design o T-shirt Design o Icon Design o Stationery Design o Silhouette Making (line art) o Different Kinds Illustrations ****Software Expertise****: o Adobe Photoshop o Adobe Illustrator 收起
雇用 ihtsham3
