Freelancersพร้อมรับจ้าง
แสดงผล 159 รายการ
freelancer ที่ได้รับการสนับสนุน
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การรักษาความปลอดภัยของคอมพิวเตอร์, ความปลอดภัยทางอินเทอร์เน็ต, การรักษาความปลอดภัยเว็บไซต์, Penetration Testing, Certified Ethical HackingGreetings, I am Jobyer Ahmed, an OSCE3 certified penetration tester and founder of RedNode, with more than 10 years of experience in the field. I have been featured in several news media such as Ritz Herald, Latestly, and Tech Times. It was possible because of my skills and experience as a true cybersecurity expert....Greetings, I am Jobyer Ahmed, an OSCE3 certified penetration tester and founder of RedNode, with more than 10 years of experience in the field. I have been featured in several news media such as Ritz Herald, Latestly, and Tech Times. It was possible because of my skills and experience as a true cybersecurity expert. My area of specialty is performing thorough and effective penetration tests, including testing web and mobile applications, evaluating the security of networks, and participating in red teaming exercises. I have a track record of providing clients with high-quality recommendations and outcomes. I can also effectively convey findings and risk levels to technical and non-technical audiences. To give my clients the finest service possible, I am always studying and keeping up with the industry's most recent technologies and methods. Some notable credentials: OSCE3 (Offensive Security Certified Expert 3) OSED (Offensive Security Exploit Developer) OSEP (Offensive Security Experienced Penetration Tester) OSWE (Offensive Security Web Expert) OSCP (Offensive Security Certified Professional) Pentest+ (CompTIA PenTest+ ce Certification) Security+ (CompTIA Security+ ce Certification) CNVP (CompTIA Network Vulnerability Assessment Professional) Google IT Support Certificate If you are looking for a renowned cybersecurity expert who can provide the best cybersecurity services, please get in touch with me! I look forward to working with you soon! ย่อ
ว่าจ้าง bfella
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I am an Expert Network Engineer and I am working an Expert Consultant Network and Security Engineer. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA, CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation), CCNP Data Center and...I am an Expert Network Engineer and I am working an Expert Consultant Network and Security Engineer. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA, CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation), CCNP Data Center and CCNP Security certifications. I have Juniper JNCIA-Junos (JN0-102) and JNCIA (Cloud) certifications. I have very good knowledge in Cisco wireless technology (control based & stand alone), VOIP & Network Security with previous work experience. I have very good knowledge in SD-WAN technology and I have a previous work experience in it. My specialties: - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800, ISR 4K, 878, 888), Switches (Cat 6500, 3750, 3850, 2900, 2960, SG- 300, SG-500, [Nexus 5K, 7K and 9K]), Firewalls ([ASA 5505, 5506x, 5508], Fortigate, Palo Alto) and Wireless Acess Points 1800 and 2700. - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei, Mikrotik, HP, Ubiquiti, VyOS & Pfsense devices Expert. - Packet Tracer, GNS-3, EVE-NG, VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, ISIS & BGP) Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, VTP...). - VPNs Configuration Expert (IPSEC/L2TP, GRE/PPTP, OPENVPN & SoftEther). - Linux, Unix & windows servers Expert. - Wireshark Traffic Capture & Analysis Expert. - Write technical reports and summaries. ย่อ
ว่าจ้าง ExpertNetworkEng
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Hi, My name is Imran Ali working as a Freelance Developer, Coder & Designer for last 15+ years. Completed hundreds of projects on Freelancer. Basic Services Overview: Hacked Websites Recovery: ----------------------------- Can clean malware and fix hacked websites + Apply Security, Firewall for...Hi, My name is Imran Ali working as a Freelance Developer, Coder & Designer for last 15+ years. Completed hundreds of projects on Freelancer. Basic Services Overview: Hacked Websites Recovery: ----------------------------- Can clean malware and fix hacked websites + Apply Security, Firewall for Wordpress Responsive Websites Development: ------------------------------------------------- -- Static Websites (HTML/CSS) -- Dynamic (PHP/MYSQL) -- Wordpress (New Theme Dev, Customizing Themes) Error Fixing: -------------- Can fix bugs/errors on HTML/PHP/WP sites. Scraping Data: ------------------- Use PHP to scrap websites & store data in TXT/CSV/HTML/WP. Content Writing: --------------------- Well researched, Unique, SE friendly, Copyscape passed articles Design: ----------- Logos, Icons, Brochures, Cards, Letter-Heads Designing Amazon/Adsense Websites: ------------------------------------- Amazon Affiliate & Adsense Websites To Earn Money Online Search Engine Optimization: -------------------------------------------- On-Site and Off-Site SEO for more traffic & Higher Conversions ย่อ
ว่าจ้าง imranphp
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About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done ย่อ
ว่าจ้าง servermaster
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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 HPE (Hewlett Packard Enterprise) 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. ย่อ
ว่าจ้าง rupa37
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I'm a network and security engineer, Certified CCNA R&S, CCNP Enterprise Core, JNCIA Junos, NSE4 (Fortigate), F5-CA(101-201), F5-CTS LTM, PCNSE (Paloalto), HCIA Big data and cloud. I can help you : - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers and Switches - Configure Cisco...I'm a network and security engineer, Certified CCNA R&S, CCNP Enterprise Core, JNCIA Junos, NSE4 (Fortigate), F5-CA(101-201), F5-CTS LTM, PCNSE (Paloalto), HCIA Big data and cloud. I can help you : - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers and Switches - Configure Cisco Firewalls , Fortigate, Pfsense and Palo Alto. -Juniper Switches (EX and QFX Series), Routers (MX) and firewalls (SRX) - VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, BGP) - Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, RSTP, MST, PVST, VTP, ETHERCHANNEL, LACP, PAGP, VPC...). - VPN Configuration Expert. - Linux & windows server Expert. - Elasticsearch Cluster - Configure HAPROXY, Active directory, DNS, DHCP, AD CS,...) - Wireshark Traffic Capture & Analysis Expert. - Microsoft Visio ย่อ
ว่าจ้าง Ismaileng
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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 2022, 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 2022, 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 ** ย่อ
ว่าจ้าง AZTURK1
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"I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design...."I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design. I've successfully worked on a wide range of IT projects, from building and maintaining websites to crafting distinctive brand logos. In addition to my technical proficiency, I also possess a deep knowledge of financial management and accounting, making me proficient in total account management and maintenance. My multifaceted skill set allows me to offer a comprehensive range of IT and administrative services, from network setup and system administration to financial analysis and bookkeeping. I am passionate about helping businesses and organizations optimize their operations and IT infrastructure while ensuring financial stability. Let's connect and discuss how I can bring my expertise to support your specific needs." ย่อ
ว่าจ้าง dyjibran
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valeriivapirov valeriivapirov
$30 USD / ชม.
♛TOP Rated ⭐Verified | Full Stack | MERN | PythonUkraineHello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular,...Hello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular, CMS (WordPress, Shopify), package management, and API handling. Back-end: Node.js, Python/Django, PHP/Laravel, Java/Spring Boot, ASP.NET, and authentication. Databases: MySQL, PostgreSQL, MongoDB, Firebase. Beyond my technical prowess, I am driven by a relentless commitment to project success. I view each new challenge as an opportunity to expand my skill set and deliver innovative solutions. Let's collaborate and transform your ideas into reality. Together, we can build something extraordinary! ย่อ
ว่าจ้าง valeriivapirov
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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. ย่อ
ว่าจ้าง MaTGaPa
