System Administrators For Hire
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Hire iosifpeterfi
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) • Cloud platforms, Docker, Kubernetes • Data pipelines, Zoho/ERP integrations, BI dashboards • 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 less -
Hire engkarimismail
engkarimismail engkarimismail
$50 USD / hour
✅Senior Network & System Engineer | Security|VOIP✅Malaysia✅ 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 less -
Hire dstoych96
Daniel Stoychev – Web Developer & IT Specialist I’m a full-stack web developer, Linux specialist and freelancer with extensive experience across multiple platforms. BSc (Hons) Computer Science at Wrexham University, United Kingdom, (Level 6). I bring both academic expertise and a professional edge to every project I...Daniel Stoychev – Web Developer & IT Specialist I’m a full-stack web developer, Linux specialist and freelancer with extensive experience across multiple platforms. BSc (Hons) Computer Science at Wrexham University, United Kingdom, (Level 6). I bring both academic expertise and a professional edge to every project I undertake. With a proven track record of completing 300+ websites and projects, I possess a deep understanding of IT and programming. My skill set includes: Web Development & Programming: Next.js (main), React, HTML, CSS, Node.js, JavaScript, PHP, Python, Java DevOps & System Administration: Linux (Ubuntu, Debian), Shell Scripting, Plesk, VPS & Web Hosting, Nginx, SSL/TLS, DNS configuration Databases & CMS: MySQL, PostgreSQL Building scalable and efficient systems Delivering innovative digital solutions tailored to client needs Whether you're looking for a reliable developer for your next project or need expert advice on web technologies, I am here to help. Let's bring your vision to life! less -
Hire ahmaddar2970
As a dedicated Full Stack Developer, I bring over 3+ years of industry experience to the table, specializing in crafting dynamic and responsive web applications. My expertise spans both front-end and back-end development, ensuring comprehensive, high-quality solutions that consistently meet and exceed client...As a dedicated Full Stack Developer, I bring over 3+ years of industry experience to the table, specializing in crafting dynamic and responsive web applications. My expertise spans both front-end and back-end development, ensuring comprehensive, high-quality solutions that consistently meet and exceed client expectations. ? Core Competencies: ✔️ Mobile Development: Platforms: Android, iPhone Frameworks: PhoneGap, Ionic, Cordova, React Native, Xamarin, Flutter Technologies: AR/VR, Apple Watch, Android Wear SDK, Apple XCODE ✔️ Web Development: Core Technologies: HTML, CSS, WordPress, WIX Backend: PHP (Magento, Cakephp, Codeigniter, Symfony, Laravel), Ruby on Rails, ASP.NET, MVC, VB.NET, WPF JavaScript Frameworks: React.js, Angular, node.js, Express.js, Vue.js, D3.js, Three.js CMS: Webflow, Podio, Bubble.io, Gobiflow APIs: RESTful API Tools: Docker, JSON, AJAX, Odoo ✔️ SEO: Auditing/Optimization: WordPress, Shopify, WooCommerce, WIX, various websites ✔️ Database Development: Relational Databases: Teradata, Oracle, MSSQL, MySQL NoSQL Databases: MongoDB, Cassandra, Hive, Firebase Data Visualization Tools: Metabase ✔️ API Development: APIs: OpenAI API, RESTful API, SOAP API, Google Map API, Google Translate API ✔️ eCommerce: Platforms: WIX, WooCommerce, BigCommerce, Shopify, Ecwid, Shopware, Prestashop, Joomla, Drupal, Zoho, Odoo, WHMCS CRM: vTiger, SuiteCRM/SugarCRM ✔️ Blockchain: Technologies: Metaverse, Web3, NFT, NFT Games, Smart Contracts Blockchain Networks: Ethereum, WAX, Solana, BSC, Polygon Tools: Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP (Frontend, Snipper, Sandwich Bots) Documentation: White Paper ✔️ Game Development: Technologies: WebGL, HTML5, Unity3D, Unreal Engine 4/5, Godot 3D Modeling: 3D Max, 3D Maya ✔️ Data Visualizations/Analytics: Tools: Tableau, Looker Studio, Power BI, Qlikview, Klipfolio, Zoho Analytics, Domo ETL/Data Pipelines: Apache Spark, Hadoop, Apache Airflow, SAP Data Services, Data Bricks, Talend, AWS pipelines, Azure Data Factory, Matillion ✔️ Desktop Development: Languages: Java, Python, C#/C++, Delphi, Qt++, VB, Golang ✔️ Design: Tools: Photoshop, Illustrator, Figma ✔️ Call Center Technologies: Technologies: Twilio, Nexmo, VoIP, SIP, Asterisk, FreePBX, Freeswitch ✔️ Trading: Platforms/Tools: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, NinjaTrader, Tradingview, Binance, Kucoin, Interactive Broker, IQOption, FXTM APIs ✔️ Artificial Intelligence: Technologies: Machine Learning, OpenCV, OCR, TensorFlow, ChatGPT, Jetson Nvidia, YOLO, Chatbot, GPT-3, OpenAI ✔️ Hardware: Technologies: Embedded System, Arduino, Matlab, Raspberry Pi, ESP32, IoT devices, electronics, PCBs, PLCs, SCADA, and hardware–software interfaces for industrial and automation use cases. CAD/CAM Design: SolidWorks, AutoCAD, Fusion 360, Inventor Manufacturing: CNC Machining, CAM, GD&T, DFM, DFA less -
Hire Sharazkhan2020
Welcome to my profile! Welcome! I'm Sharaz Khan, a Manchester-based Software Engineer with 20 years of experience in creating and implementing software solutions across diverse industries. Skilled in multiple languages and frameworks, I specialize in full-stack development, system architecture, and performance...Welcome to my profile! Welcome! I'm Sharaz Khan, a Manchester-based Software Engineer with 20 years of experience in creating and implementing software solutions across diverse industries. Skilled in multiple languages and frameworks, I specialize in full-stack development, system architecture, and performance optimization. I have a proven record of delivering scalable, high-quality software on time and within budget, thriving in agile environments and working with cross-functional teams. I'm passionate about using technology to solve complex problems and improve user experiences. Web: •Languages: PHP, JavaScript, Python •Frameworks: Next.js, Nuxt.js, CodeIgniter 3/4, Laravel, WordPress, WooCommerce, Shopify Mobile: • Frameworks: React Native, Flutter • Platforms: Hybrid & Native Mobile Apps Desktop: • Languages: C/C++, C#, Rust Backend: • Platforms: SaaS, CRM, Task Management System, Inventory Management System, Accounting Management System, Booking Management System, LMS, PMS, CMS, PerfexCRM • Technologies: Object Detection, Real-time Messaging Applications Frontend: • Frameworks: React.js, Vue.js DevOps: • Tools: CI/CD, Docker, Kubernetes • Devices: Raspberry Pi Expertise: • Specialized Projects: Casino Slot Game Development, Raspberry Pi Integrations, Real-Time Systems Don't waste your time. Your success is my mission – let's get started Let's transform your ideas into successful outcomes. Let's build something amazing together, efficiently and effectively. less -
Hire rupa37
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. less -
Hire markupdudes
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. less -
Hire emilesd617
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. less -
Hire mahmoud1911
Media & IT systems engineer with 15+ years in video, localization, and infrastructure workflows. I build and manage media pipelines, render farms, and GPU hosting setups, including Linux-based compute nodes for video, AI, and rendering workloads. Experienced in: • Video/audio processing & transcoding • Subtitle &...Media & IT systems engineer with 15+ years in video, localization, and infrastructure workflows. I build and manage media pipelines, render farms, and GPU hosting setups, including Linux-based compute nodes for video, AI, and rendering workloads. Experienced in: • Video/audio processing & transcoding • Subtitle & localization workflows • Microsoft 365 / Google Workspace setup • Cloud, DNS, email, and IT systems • Linux servers, Docker, and GPU nodes • Render farm setup (Blender, AI, encoding, batch rendering) • Media automation and workflow optimization I help clients build reliable systems for production, rendering, and cloud-based operations — from small IT fixes to full compute infrastructure. less -
Hire toriquldev123
Toriqul Global Solutions is a professional web design and development company dedicated to building modern, high-performance, and user-friendly digital solutions. Founded by Engineer Md. Toriqul Islam, a Computer Science & Engineering graduate from RUET, the company brings over 10 years of experience in delivering...Toriqul Global Solutions is a professional web design and development company dedicated to building modern, high-performance, and user-friendly digital solutions. Founded by Engineer Md. Toriqul Islam, a Computer Science & Engineering graduate from RUET, the company brings over 10 years of experience in delivering scalable and visually appealing websites. Web Design & development: We are a full-stack web developer with more than 10 years of experience. Our design approach is always Modern and simple, which attracts people towards it. We have built websites for a wide variety of industries. We have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB and many other skills Why Choose Us: * Modern, clean, and user-focused design approach * Fully responsive across all devices * Scalable and reusable code structure * Clean, optimized, and well-documented code * On-time delivery with strict commitment to deadlines * Clear and professional communication * 100% client satisfaction is our priority We have successfully worked with clients across different industries, delivering high-quality websites that meet both business goals and user expectations. Let’s Build Something Great Together. Contact us today to discuss your project and turn your ideas into reality. Best Regards, Toriqul Global Solutions less
