System Administrators para contratar - Página 4
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Freelancers patrocinados
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abusayed2004 abusayed2004
$40 USD / hora
Asterisk PBX, SIP, Linux, Cloud, DevOps, SecurityBangladeshI am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I...I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. menos
Contratar abusayed2004
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With over 5 years of hands-on experience, we are a seasoned full-stack development team, verified by Freelancer.com. Leveraging a diverse team of certified experts proficient in nearly every IT skill imaginable, we offer a wide range of IT solutions to cater to all your digital needs. Web Development: Experts in...With over 5 years of hands-on experience, we are a seasoned full-stack development team, verified by Freelancer.com. Leveraging a diverse team of certified experts proficient in nearly every IT skill imaginable, we offer a wide range of IT solutions to cater to all your digital needs. Web Development: Experts in HTML, CSS, WordPress, WIX, PHP, JavaScript (MEAN+MERN), React.js, Angular, and more. We excel in CMS, RESTful APIs, and cloud technologies. Mobile App Development: Proficient in Flutter, Android (Kotlin/Java), and iOS (Swift/Swift UI/Obj-C). We handle NFC, geolocation, and payment integration with ease. Database Development: Skilled in both SQL (Teradata, Oracle, MSSQL, MySQL) and NoSQL (MongoDB, Cassandra, Hive). We utilize Metabases for powerful insights. -Desktop Programming: Versed in Java, Swift, JavaScript, Python, C#, and more for desktop solutions. Blockchain: Our forte includes crypto exchanges, Dapp development, and ICOs on Ethereum, Solana, Polygon, and more. Cloud & DevOps: We manage AWS, Azure, Google Cloud, and employ DevOps tools for seamless deployments. AI & Machine Learning: Experts in Computer Vision, OCR, Machine Learning, and more, leveraging Google Cloud Platform, OpenCV, TensorFlow, and AI architectures. Game Development: We create captivating games using WebGL, HTML5, Unity3D, 3ds Max, and Unreal Engine. E-commerce: Crafting E-commerce Websites, mastering WordPress WooCommerce, and streamlining payment integration. Telephony: Proficient with Twilio, VoIP, SIP, Asterisk, FreePbx, and Free Switch for call center solutions. Trading Solutions: We excel in Sierra Chart, Pine Script, Thinkorswim, and various trading APIs. Hardware & Electronics: Skilled in Arduino, Raspberry Pi, and ESP32, with expertise in PLC and SCADA systems for automation and control solutions. menos
Contratar rashidamjad
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usmanbashir12100 usmanbashir12100
$25 USD / hora
✅ Top Rated ✅ 4+ Years Exp ✅ Verified FreelancerPakistanHello! I’m Usman. I Have 5 Years of Experience In Google Analytics, Goolge Tag Management, Google Ads, Product Description, Amazon Web Services, Python, Algorithm, CRM, Microsoft, Data Processing, Data Entry, Excel, SEO, Amazon, Amazon Listings Optimization, Script Install, Shell Script, Powershell, Microsoft...Hello! I’m Usman. I Have 5 Years of Experience In Google Analytics, Goolge Tag Management, Google Ads, Product Description, Amazon Web Services, Python, Algorithm, CRM, Microsoft, Data Processing, Data Entry, Excel, SEO, Amazon, Amazon Listings Optimization, Script Install, Shell Script, Powershell, Microsoft Exchange, Microsoft, Microsoft Outlook, Microsoft Office, Azure, Bash Scripting, Microsoft Azure, Zoho Crm, Zoho Creator, System Admin, Proxmox, Email Handling, Bulk Email, Keyword Resarch, Shopify, DNS, Plesk, Web Hosting, Cloudflare, Microsoft Exchange, Active Directory, Microsoft Outlook, Ecommerce, Aws, Email Marketing, Klaviyo, Mailchimp, Product Sourcing, Facebook Pixel, Click Funnel I'm a versatile freelancer with a diverse skill set that spans the digital landscape. With over 5 Year of hands-on experience, I'm here to help you navigate and conquer the complexities of the online world. My Skillset at a Glance Digital Analytics: As a certified Google Analytics and Google Tag Manager expert, I thrive on turning data into actionable insights to optimize your online strategy. Digital Advertising: I'm well-versed in Google Ads, crafting and managing campaigns that drive targeted traffic and maximize your ROI. Content Wizard: Crafting compelling product descriptions and fine-tuning Amazon listings is my forte, increasing your sales and visibility. Cloud Whisperer (AWS): I can configure, manage, and optimize Amazon Web Services to ensure your digital infrastructure is efficient and cost-effective. Coding & Algorithms: Proficient in Python and algorithm development, I automate tasks, crunch numbers, and solve complex problems. CRM Specialist: Whether it's Salesforce, Zoho CRM, or other CRM systems, I customize and manage them to streamline your customer relationships. Data Maestro: I specialize in data processing and entry, delivering accurate and efficient data solutions. SEO Maestro: Let me boost your online presence! My SEO expertise drives organic traffic and enhances visibility. Ecommerce Expert: From Amazon to Shopify, I navigate the e-commerce terrain, optimizing listings and ensuring your success. Script Magician: Whether it's installing scripts, crafting shell scripts, or automating tasks with PowerShell, I've got the script for you. Email & Messaging Maven: Microsoft Exchange, Outlook, Office Suite – I ensure seamless communication and productivity. Cloud Architect (Azure): I harness the potential of Microsoft Azure to scale your business operations. Zoho : I'll tailor Zoho CRM and Zoho Creator solutions to your unique business needs. Web Security: I safeguard your online presence, utilizing Cloudflare and monitoring for threats. Email Marketing: From Klaviyo to Mailchimp, I execute targeted email marketing campaigns that deliver results. SEO & Keyword Research: I conduct in-depth keyword research to enhance your online visibility. menos
Contratar usmanbashir12100
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Hi there, I am Sanjay Sarker. I am an expert in web Design and web Development, Cloud Computing, Application deployment, DNS, Domain, and SSL configuration. I can do it completely. If you are interested in taking a service to me just knock me for future discussions. I will respond to you as soon as possible. Top...Hi there, I am Sanjay Sarker. I am an expert in web Design and web Development, Cloud Computing, Application deployment, DNS, Domain, and SSL configuration. I can do it completely. If you are interested in taking a service to me just knock me for future discussions. I will respond to you as soon as possible. Top Skills ---------------------------------- ✔ HTML ✔ CSS ✔ JAVASCRIPT ✔ BOOTSTRAP ✔ PSD TO HTML ✔ XD TO HTML ✔ PHP ✔ WORDPRESS ✔ Website Errors Fixing ✔ REACTJS ✔ NodeJS ✔ Express Js ✔ REST APIs ✔ MongoDB ✔ E-Commerce ✔ Woo-Commerce ✔ Website Migration ✔ DEVOPS ✔ Business Email setup ✔ DNS configurations ✔ Apache, NGINX ✔ Digital Ocean, AWS, Google Cloud, Azure Cloud, Vultr, Linode, or any VPS, Dedicated, Cloud Server Configurations menos
Contratar sonjaysarker
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✪ Top Rated ✪ 45 hrs/week ✪ 450+ Projects ✪ 10+ years of experience Cloud Solution Architect with a strong passion for leveraging cloud technologies to drive innovation and solve complex business challenges. With over 10+ years of hands-on experience in the IT industry I have developed a deep understanding of...✪ Top Rated ✪ 45 hrs/week ✪ 450+ Projects ✪ 10+ years of experience Cloud Solution Architect with a strong passion for leveraging cloud technologies to drive innovation and solve complex business challenges. With over 10+ years of hands-on experience in the IT industry I have developed a deep understanding of cloud computing platforms and a proven track record of delivering successful cloud solutions for organizations across various industries. How I can help you: - Server administration (Linux, Windows, Ubuntu, CentOS, RedHat) - LAMP, MERN & MEAN stack setup and configuration - DNS configuration, mail servers setup - Monitoring and maintaining VPS, Dedicated or Cloud servers - Automation, scripting with Bash, CMD, PowerShell - Clouds services and infrastructure setup (GCP, AWS, Azure) - virtualization and containers (Docker) setup - Clusters(Kubernetes) setup for microservices - CI/CD pipelines - Database Administration (MySQL,PostgreSQL, MariaDB, MongoDB) - Penetration testing; - Hardening of servers and websites - Virus & Malware cleanup, websites data recovery - Google Blacklist Removal - Phishing Removal - Spam Removal - Vulnerability Assessment - Penetration Testing - Optimize & Increase the Speed of Sites (Reducing Page Load Time). - Website Migration - SSL Installation & Configuration I'm flexible with my working hours and will be happy to discuss the project at your earliest convenience. Looking forward to working with you. Regards Gyanendra G. menos
Contratar opengeek
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Imagine. Create. Inspire. These are the three words that guide our work. We are on our 10th year here on Freelancer.com! We have gathered more than 750 Reviews and completed more than 1400 Projects of all sort. We are currently on the Top 25 Rankings on Freelancer.com! With every project, we offer the below Add-Ons...Imagine. Create. Inspire. These are the three words that guide our work. We are on our 10th year here on Freelancer.com! We have gathered more than 750 Reviews and completed more than 1400 Projects of all sort. We are currently on the Top 25 Rankings on Freelancer.com! With every project, we offer the below Add-Ons for free: + 16 hrs/day Support available Even on Weekends + Development on Our Test Server at Start and will do Migration after all Completed and Approved + 6 Month Support After Project Completed + Responsibility to Upload Website or IOS/Android App into Live Server/Stores + Full Documentation of Project Functions will be Provided at End Hire us for: - Web Development: Node Js, React Native, Mern Stack, PHP, CODEIGNITER, LARAVEL,ANGULAR, Shopify - Mobile: ANDROID and IOS, NATIVE and HYBRID APPS - SEO: Link building, Quality Backlinks, Guest Posting, Digital Marketing -Animation: Animated videos for your products or brands with music or voice over - Third Parties: Google Maps, Twillio sms/Video call/Voice call, Agora Video call/Voice call/Whiteboard, Dyte Video call/Voice call, Mailchimp, Stripe/Stripe connect, Paypal, Razorpay and many more. We reply within seconds! menos
Contratar monitrix
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Hi, I am Miguel from Argentina. I have been working as Systems Engineer/DevOps/SRE for more than 10 years as of now in many different small, mid sized and big companies. Some of my skillset includes: - +10 years Linux Systems Administration (Linux/Unix mainly - Ubuntu/Debian & RHEL/CentOS) - +8 years providing cloud...Hi, I am Miguel from Argentina. I have been working as Systems Engineer/DevOps/SRE for more than 10 years as of now in many different small, mid sized and big companies. Some of my skillset includes: - +10 years Linux Systems Administration (Linux/Unix mainly - Ubuntu/Debian & RHEL/CentOS) - +8 years providing cloud solutions and support (AWS Solutions Architect PRO Certified) - Backend programming (python, golang, Java, Bash) - CI/CD (Jenkins/CircleCI/Github Actions/Gitlab Runners) - Automation (Puppet/Ansible) - Container management (Docker & ECS/k8s) My game-breaker are cloud services (AWS mainly), architectural design and task automation, although I have experience building responsive APIs. I speak Spanish (native), English (expert) and Italian (advanced). For more information, check my: -> Linkedin: https://linkedin.com/in/migag -> Github projects page: https://github.com/mgagliardo menos
Contratar gattes
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Services in which I have expertise: Web hosting services: WHM/Cpanel, Website Panel, Plesk Panel Manage all types of servers like Dedicated, VPS, Shared server, Server Security, Server Monitoring, Server Setup, and Management, Backup Management, BackupServer Migration, SSL Installation, Interspire Email Marketer,...Services in which I have expertise: Web hosting services: WHM/Cpanel, Website Panel, Plesk Panel Manage all types of servers like Dedicated, VPS, Shared server, Server Security, Server Monitoring, Server Setup, and Management, Backup Management, BackupServer Migration, SSL Installation, Interspire Email Marketer, DDOS Protection, NGINX, Apache, Migration, magento deployment and migration cloud servers dedicated servers Windows migrations DevOps code deployments GIT nodejs angular Python Docker setups etc *HA-Proxy *Load Balancer *Mumara SMTP Sendmail, Postfix, Power MTA ) DKIM, Open relay POP/IMAP , Dovecot FTP Vsftpd, Proftpd Email Campaign Managers:- Mailwizz,Interspire, Sendy, Oempro, Acelle,Sendgrid ,Mumara,etc. Windows: office 365 cloud servers Dedicated servers menos
Contratar manishchgh
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I am working for more than 12 years in many roles which involves Linux systems administration, broadband networks, integration and troubleshooting in different type of industries. I have managed large number of bate-metals, VMs, Cloud and wide range of applications/software, you name it!. Whats makes me different...I am working for more than 12 years in many roles which involves Linux systems administration, broadband networks, integration and troubleshooting in different type of industries. I have managed large number of bate-metals, VMs, Cloud and wide range of applications/software, you name it!. Whats makes me different from others is my strong foundation of system administration and experience which results in quick troubleshooting and quick adoption of new technologies and protocols. Software/Applications Apache, CPanel, MySQL and its replications, Bind, PowerDNS, Nagios, Cacti, MRTG RRDToos, PPPoE servers, Raidus Servers, Tomcat, Net-snmpd, Squid, DHCP Servers, NFS, VPN server like POPTop and OpenVPN, iptables, ipchains, ipfw, pf, netflow based software like flow-tools, Solaris Volume Manager, ZFS, mdadm, LVM, VirtualBox, XEN, VMWare ESXi, OpenVZ etc Email Related: PMTA, Postfix, Oempro, 12all, Interspire, Mailwhizz I do scripting in Perl and shell. menos
Contratar osmanbsd
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Hello and welcome to my profile! With over 10 years of experience as a senior mobile app and web developer, I bring a wealth of expertise in creating exceptional digital solutions. I specialize in developing cutting-edge mobile applications for iOS and Android platforms, leveraging the latest technologies and...Hello and welcome to my profile! With over 10 years of experience as a senior mobile app and web developer, I bring a wealth of expertise in creating exceptional digital solutions. I specialize in developing cutting-edge mobile applications for iOS and Android platforms, leveraging the latest technologies and frameworks. Mobile App Development (iOS and Android) Cross-Platform App Development (React Native, Flutter) Native iOS App Development (Swift) Native Android App Development (Java/Kotlin) Web Development (HTML5, CSS3, JavaScript) Responsive Web Design Frontend Development (React.js, Angular) Backend Development (Node.js, PHP) Database Design and Management (MySQL, MongoDB, Firebase) RESTful API Integration User Interface (UI) Design User Experience (UX) Design WordPress Shopify Wix menos
Contratar asifalimzd
