System Administrators Palkattavana
Näytetään 62 tulosta
Tuetut freelancerit
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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 vähemmän
Palkkaa iosifpeterfi
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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! vähemmän
Palkkaa wallymna
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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. vähemmän
Palkkaa ahmadpiran
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I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise...I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise extends to a wide range of Linux systems, and I am well-versed in handling various distributions, ensuring their stability, security, and performance. I have a proven track record of successfully deploying web applications, guaranteeing smooth and reliable online experiences for users. One of my core strengths lies in managing system updates and applying security patches promptly, reducing vulnerabilities and minimizing downtime. My commitment to network security is unwavering, and I implement robust measures to protect data and maintain the integrity of systems. Furthermore, my proficiency in Cisco networking solutions allows me to design, configure, and troubleshoot complex network infrastructures, ensuring seamless connectivity and optimal performance. Additionally, I have a solid understanding of <b> HPE (Hewlett Packard Enterprise) </b>equipment, enabling me to efficiently manage and maintain these devices to meet organizational needs. With my extensive knowledge, practical experience, and dedication to staying updated with the latest industry trends, I am well-equipped to contribute significantly to any organization's IT operations, ensuring they run smoothly, securely, and efficiently. vähemmän
Palkkaa rupa37
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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 vähemmän
Palkkaa ramygoda1590
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I am a servers expert And php developer worked as programmer since 2007 worked with every kind of servers and my current job is server specialist Worked with every kind of servers and panelsI am a servers expert And php developer worked as programmer since 2007 worked with every kind of servers and my current job is server specialist Worked with every kind of servers and panels vähemmän
Palkkaa linuxpro2008
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TOP-RATED FREELANCER | AI & LLM AUTOMATION | CLOUD-BASED WEB SOLUTIONS Build smarter, faster, and scalable systems with AI-driven automation and intelligent web platforms. With 5+ years of hands-on experience, I help businesses automate workflows, deploy AI agents, and build high-performance websites and applications...TOP-RATED FREELANCER | AI & LLM AUTOMATION | CLOUD-BASED WEB SOLUTIONS Build smarter, faster, and scalable systems with AI-driven automation and intelligent web platforms. With 5+ years of hands-on experience, I help businesses automate workflows, deploy AI agents, and build high-performance websites and applications on secure cloud infrastructure. I specialize in LLM integrations, AI bots, workflow automation using n8n, and cloud-native web development focused on performance, scalability, and real business outcomes. CORE SKILLS AI & Automation – LLM integrations (OpenAI, GPT-4, ChatGPT API, LangChain) – AI bots (Slack, WhatsApp, Telegram) – n8n workflow automation and orchestration – AI-powered APIs and backend systems Backend & Full-Stack – PHP, Laravel, CodeIgniter, CakePHP – Python (Django, Flask) – Node.js (Express) – RESTful APIs and GraphQL Cloud & DevOps – AWS (EC2, Lambda, RDS, S3) – CI/CD pipelines (GitHub Actions) – Infrastructure as Code (Terraform, CloudFormation) Databases – MySQL, PostgreSQL, MongoDB CMS & E-Commerce – WordPress, WooCommerce, Shopify, Wix – Payment integrations (Stripe, PayPal, Razorpay, Google Pay) SEO & Performance – Technical and on-page SEO – Performance optimization and structured data WHAT I DO AI & LLM Automation – End-to-end workflow automation with n8n – Intelligent chatbots and AI agents – Content generation, data processing, and AI-driven logic Full-Stack & Backend Development – AI-enabled websites, SaaS platforms, and dashboards – Secure, scalable backend systems – Third-party API integrations AWS Cloud & DevOps – Auto-scaling cloud infrastructure – Serverless and optimized deployments – Performance and cost optimization WHY WORK WITH ME – Top-rated profile with consistent 5-star reviews – AI-first approach to reduce manual work and costs – Clean, maintainable, scalable code – Clear communication and on-time delivery Ready to build AI-powered systems or automate your workflows? Message me and let’s get started. vähemmän
Palkkaa AsimJaved706
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I help businesses turn ideas into powerful, AI-driven applications that boost efficiency, engage users, and scale with ease. I’m a full-stack developer with strong expertise in Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs). I build smart, data-driven applications that integrate...I help businesses turn ideas into powerful, AI-driven applications that boost efficiency, engage users, and scale with ease. I’m a full-stack developer with strong expertise in Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs). I build smart, data-driven applications that integrate intelligent automation, natural language processing (NLP), and predictive analytics to deliver innovative, scalable solutions for businesses. On the backend, I work extensively with Python (Django, Flask, FastAPI), Node.js, and PHP frameworks including Laravel, CodeIgniter, Joomla, and Magento. On the frontend, I develop modern, high-performance web and mobile applications using ReactJS, React Native, Swift/SwiftUI for iOS, and Kotlin/Jetpack Compose for Android. I also specialize in custom WordPress development, from theme and plugin creation to full-scale, tailored CMS solutions, ensuring functionality matches your exact needs. My UI/UX toolkit covers HTML, CSS, JavaScript, jQuery, and Bootstrap, with a focus on clean, user-friendly design. Beyond application development, I have hands-on experience with Blockchain-based applications, Cloud management (AWS, Azure, Google Cloud), and DevOps workflows (CI/CD pipelines, containerization with Docker/Kubernetes, and server automation). My approach is to combine technical expertise with an understanding of business goals, delivering high-quality, scalable, and future-ready solutions that not only meet but exceed client expectations. vähemmän
Palkkaa markupdudes
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codexexpart codexexpart
$35 USD / tunti
Full Stack Web Developer | 8+ Years of ExperienceBangladeshI started my web development journey in 2015 with a love for creating clean, fast, and user-friendly websites. Since then, I’ve completed many projects that helped businesses grow and reach more people online. To meet the growing need for quality web services, I started my own venture that offers complete web...I started my web development journey in 2015 with a love for creating clean, fast, and user-friendly websites. Since then, I’ve completed many projects that helped businesses grow and reach more people online. To meet the growing need for quality web services, I started my own venture that offers complete web development and hosting solutions. Services: Web Design & Development eCommerce & CMS (WordPress, Laravel, CI) Domain & Hosting Setup SSL & Server Configuration Website Maintenance Why Choose Me: Over 10 years of experience Expert in Laravel, PHP, and WordPress Quality work with 24/7 support Affordable and reliable service Special Note: I don’t provide remote work via TeamViewer or AnyDesk. Available from Saturday to Thursday. Closing Note: Whether it’s a Laravel or PHP project, or a full eCommerce website, I always aim to deliver the best results within your budget. Click “Hire Me” or start a chat — I’d love to work with you! vähemmän
Palkkaa codexexpart
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I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP...I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. __________________________ VERY IMPORTANT!!! “Hi I'm Matias, someone is trying to impersonate me, this account is the only one active and verified by freelancer! I DON'T USE ANY OTHER MEANS OF CONTACT, ONLY FREELANCER CHAT!” ----------------------------------------- vähemmän
Palkkaa MaTGaPa
