Network Administrators Untuk Diupah
Menunjukkan 106 hasil
Freelancers Ditaja
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engkarimismail engkarimismail
$50 USD / jam
✅ 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 kurang
Upah engkarimismail
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. kurang
Upah AwaisChaudhry
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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. kurang
Upah rupa37
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I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2024, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP...I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2024, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft®, Google Cloud Platform(GCP). ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Web servers: IIS, APACHE, NGINX ✅Scripting: PowerShell scripting, Bash Scripting ✅Containers: DOCKER, Windows Subsystem for Linux (WSL). ✅Backup Systems Veaam Backup, Iperius Backup, UrBackup. ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Database servers: MySQL, PostgreSQL ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅NAS: FreeNAS, TrueNAS ,Synology, QNAP, Buffalo ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: WHM-cPanel, PLESK, CyberPanel, aaPanel Why Choose Me? ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** kurang
Upah AZTURK1
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Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability...Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability assessments to threat intelligence, malware analysis, and incident response, I deliver cyber solutions that help businesses thrive without disruption. I don’t just apply generic fixes I design tailored security strategies that protect critical data and future-proof systems against evolving threats. With a background in ethical hacking, digital forensics, and compliance (ISO 27001, NIST, CIS, HIPAA), I cover the full spectrum of cyber defense. Whether it’s risk assessments, SOC monitoring, or advanced defense deployments, my approach is proactive, precise, and focused on long-term resilience. Why Choose Me? ✅ Elite Expertise: Cyber Security, SOC Analysis, Ethical Hacking, Linux Hardening & Forensics ✅ Battle-Tested Skills: Proven results in penetration testing, incident response, malware analysis, and SOC operations ✅ Cutting-Edge Tools: Kali Linux, Nessus, Metasploit, Burp Suite, Wireshark, Shodan, Maltego, EnCase, FTK, SIEM (Splunk, QRadar, Wazuh) ✅ 24/7 Availability: Cyber threats don’t sleep — and neither do I when it comes to real-time response ✅ Proven Results: Secured clients in finance, healthcare (HIPAA compliance), government, e-commerce, and enterprise sectors 🔧 My Specialized Services 🛡 Penetration Testing & Vulnerability Assessments (OWASP Top 10, ISO 27001, HIPAA, CASA Tier 2) 🕵️ Threat Intelligence & Dark Web Recon (Shodan, Maltego, TOR-based cyber investigations) 🔬 Incident Response & Forensic Support (FTK, EnCase – breach investigation, malware analysis) 📊 Risk Assessment & Threat Modelling (STRIDE, DREAD, MITRE ATT&CK, OWASP Threat Dragon) 🔒 SOC Monitoring & Network Security (SIEM, Firewalls, IDS/IPS, Endpoint Security, Compliance) ⚡ Advanced Security Testing & Problem Solving: - SIEM Tools: Wazuh, QRadar, Splunk - Testing: Black Box, Gray Box, White Box - Cloud & Compliance: NIST, CIS, HIPAA - Application Security: DAST, SAST, OWASP Top 10 - Vulnerability Scanners: Acunetix, Invicti, OWASP ZAP, Nessus, MSF (Metasploit) - Manual Testing & Tailored Problem Solving 🏆 What You Get Working With Me ⚡ Lightning-fast 24-hour response time ⏱️ 💬 Clear & transparent communication – no jargon, just results 🛡 Custom cyber defense strategies that go beyond compliance and deliver real-world protection 🔥 Whether you face complex challenges, tight deadlines, or ambitious goals, your success will be secured every step of the way. 👉 Together, we’ll turn complexity into simplicity and goals into results. kurang
Upah RomanSattar
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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 kurang
Upah ramygoda1590
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I am an AWS-certified professional with over 5 years of experience specializing in backend development, DevOps engineering, and Kubernetes orchestration. My expertise lies in building scalable, secure, and efficient cloud infrastructures while integrating advanced AI/ML solutions to enhance business outcomes. ☞...I am an AWS-certified professional with over 5 years of experience specializing in backend development, DevOps engineering, and Kubernetes orchestration. My expertise lies in building scalable, secure, and efficient cloud infrastructures while integrating advanced AI/ML solutions to enhance business outcomes. ☞ Backend Development: Proficient in Node.js, Python, and PHP with hands-on experience in building serverless and containerized applications using frameworks like Serverless Framework, SAM, and SST. ☞ DevOps Expertise: Skilled in designing CI/CD pipelines, implementing Infrastructure as Code (Terraform, CloudFormation), and automating deployment workflows for high-traffic applications. ☞ Kubernetes Specialist: Extensive experience in deploying, managing, and scaling containerized applications on Kubernetes platforms like AWS EKS, GCP GKE, and Azure AKS. ☞ Security & Compliance: Strong knowledge of securing infrastructure and achieving compliance with frameworks like HIPAA, PCI-DSS, GDPR, and ISO standards. ☞ AI/ML Integration: Experience in integrating AWS AI/ML services such as Textract, Comprehend, Kendra, and Rekognition into applications for intelligent automation. Certifications: AWS Certified Solutions Architect – Associate AWS Certified Practitioner Toolkit: AWS, Terraform, Docker, Kubernetes, Jenkins, GitLab CI/CD, Python, Node.js, PHP, MySQL, PostgreSQL ..... Monitoring Tools: Prometheus, Grafana, New Relic kurang
Upah kumarashish99
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Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud,...Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud, DigitalOcean, Azure, and more) ✅ Hosting control panels (cPanel/WHM, Plesk, Webmin/Virtualmin, DirectAdmin, and more) ✅ Website, server, and email migration ✅ Cybersecurity consulting ✅ Malware removal and security hardening ✅ Various CMS and E-commerce solutions and troubleshooting (WordPress, Joomla, Shopify, osCommerce, Zen Cart, Magento, MediaWiki, phpBB, and more) I work solo, and known among peers for my fast turnaround time and ability to fix difficult problems. Where others have failed, I will succeed. ✌️ My credentials include multiple certifications from Google, Cisco, AWS, cPanel, Plesk, CompTIA, MongoDB, (ISC)², Fortinet, and more. These certifications reflect hundreds of hours of training and real-world practice, making me uniquely qualified to handle your IT challenges. As of 2014, I am part of the Preferred Freelancer Program, the elite top 1% on this platform. As of 2022, I am a Freelancer Ambassador, tasked with special duties including moderating the community groups. My timezone is GMT +6, though I work round-the-clock to cater the needs of my clients in over 80 countries worldwide. My U.S. clientele alone spreads across 37 states. Click on the "Contact" button now to get started. If I have bid on your project, just click that "Award" or "Chat" button. I look forward to working with you! Notes for my first-time clients: ☑️ I have undergone a thorough and rigid identity verification process to receive the blue verified badge. This makes me more trustworthy when dealing with confidential data. ⛔ I do not work through remote access software such as TeamViewer or AnyDesk. ⛔ I do not "Accept" projects until verifiable login credentials are provided and verified. kurang
Upah Ekushey
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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!” ----------------------------------------- kurang
Upah MaTGaPa
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I have been in the IT industry for over 25 years and have a varied and diverse background. I started in Novell and NT and have moved on with the industry to learn multiple different platforms and OS. I have several certifications ranging from A+ to Generative AI Fundamentals. I have most recently been working as an...I have been in the IT industry for over 25 years and have a varied and diverse background. I started in Novell and NT and have moved on with the industry to learn multiple different platforms and OS. I have several certifications ranging from A+ to Generative AI Fundamentals. I have most recently been working as an Application Support specialist and have been training in SRE. I have also built up a healthy knowledge base in the AI portion of our industry, having worked on AI training programs and prompt generation, specifically learning a lot about how to write prompts to get the results you want. I love reading and have dabbled in fictional writing on my own as well, gaining both writing and editing skills in the process. kurang
Upah stuartd5
