Network Administrators Για Πρόσληψη
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Προβολή 137 αποτελεσμάτων
Χορηγημένοι Freelancer
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I'm Ali, your go-to IT Consultant. With a stellar background as a former Cisco TAC expert and holding CCIE #59743, I bring over a decade of experience in the below key skills: -IT Consulting and Systems Integration. -Strategic planning for IT network development and acquiring new features. -Experienced Network...I'm Ali, your go-to IT Consultant. With a stellar background as a former Cisco TAC expert and holding CCIE #59743, I bring over a decade of experience in the below key skills: -IT Consulting and Systems Integration. -Strategic planning for IT network development and acquiring new features. -Experienced Network Trainer with real lab simulation for VoIP/R&S/Security (Packet Tracer). -VoIP (SIP Trunking, Dial-Plan, FreePBX, Issabel, Asterisk PBX, 3CX, Fusion PBX, ASTPP) -Security (OpenVPN, Firewall, WatchGuard, OpenWrt, IPsec, SSH, Certificates, SSL remote access) -Collaboration & Contact Center (CUCM, CUBE, UCCE/X, CVP, CUC, Expressway) -Networking (LAN/WAN, TCP/IP, VLANs, DNS & DHCP) -Troubleshooting, logs analysis and networking tools (Wireshark, tcpdump, Fiddler, ProcMon) -Linux administration / Windows administration. -Virtualization (VMware ESXi, Oracle VirtualBox, Hyper-V) -Cloud computing (Azure, AWS). -VoIP and Video protocols (SIP, H323, MGCP, ISDN, DTMF, STUN) -Contact Center (IVR, ACD, OB Campaigns, Recording / Monitoring) -Active Directory/LDAP, SAML/SSO -Database: MSFT SQL, MySQL -Data Processing & Reporting (CUIC, Power BI) -Cisco Jabber/WebEx, MS Teams -PBX VoIP (FreePBX, Issabel, Asterisk PBX, 3CX) -Bash/PowerShell/UCCE/UCCX/CUE Scripting. Connect with me anytime to discuss further and explore my extensive experience. Excited to collaborate and deliver outstanding results with guaranteed satisfaction. λιγότερα
Πρόσλαβε τον/την alimmabi
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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. λιγότερα
Πρόσλαβε τον/την MaTGaPa
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I am a forward-thinking software engineer with 8 years of extensive experience overseeing the entire development lifecycle for small to medium-sized companies. Proficient in a diverse tech stack, I specialize in PHP, Python, and Node.js, leveraging frameworks like Laravel, Flask, Django, and Express.js....I am a forward-thinking software engineer with 8 years of extensive experience overseeing the entire development lifecycle for small to medium-sized companies. Proficient in a diverse tech stack, I specialize in PHP, Python, and Node.js, leveraging frameworks like Laravel, Flask, Django, and Express.js. Additionally, my expertise extends to modern JavaScript Frameworks, including React.js, React Native, and Ionic. And I am familiar with modern blockchain technology such as smart contract , web3.js as well. I have worked on several projects based on Ethereum, solana and bitcoin network. Well-versed in version control using GitHub/GitLab and practiced in agile and kanban methodologies, I have a proven track record of successfully building and deploying numerous projects from conception to implementation. With a keen eye for detail, I am dedicated to staying at the forefront of technology, always eager to explore and implement innovative solutions. λιγότερα
Πρόσλαβε τον/την imandaneshi1
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kashifnadeem86 kashifnadeem86
$50 USD / ώρα
Azure Solutions Architect Expert & DevOps EngineerPakistanGraduate in Electrical Engineering. Expertise in computer networking, cloud computing, IT and automation. Certificattions: Passed: AZ-305: Microsoft Certified Microsoft Azure Solutions Architect Expert Passed: AZ-104: Microsoft Certified Microsoft Azure Administrator Associate Passed: Azure DevOps Assessment...Graduate in Electrical Engineering. Expertise in computer networking, cloud computing, IT and automation. Certificattions: Passed: AZ-305: Microsoft Certified Microsoft Azure Solutions Architect Expert Passed: AZ-104: Microsoft Certified Microsoft Azure Administrator Associate Passed: Azure DevOps Assessment (18473) I am a certified and an experienced azure cloud achitect and devops engineer. I assist with azure administration, creating azure architecures, azure migrations and azure devops. I have subject matter expertise in designing cloud and hybrid solutions that run on Microsoft Azure, including compute, network, storage, monitoring, and security. Have advanced experience and knowledge across IT operations, including networking, virtualization, identity, security, business continuity, disaster recovery, data platforms, and governance. Azure government cloud, migration from on-premise to azure cloud, from classic to ARM, Azure Virtual Desktop setup on azure and Office365 administration. AWS EC2, Elastic Kubernetes Service (EKS), ECR, RDS, IAM polices, backup, workmail, lambda, Serverless architecture, AWS automation. IaaC using Terraform, ARM templates, cheff/puppet for Azure and AWS. Vultr, OVH and digital ocean cloud resources management. Windows, SQL, MySQL and MariaDB server administration. Expertise with Linux distributions Centos, Ubuntu and Debian Container Management, kubernetes, docker/LXC containers. Web hosting using plesk, cpanel, webmin, apache and nginx. Web automation using selenium and nextcloud administration. Odoo administration and desiging templates for data migration. VPN and Proxy server setup and configurations. IPv6 and IPv4 bulk proxies creation scripts on linux servers. Mail Servers setup for bulk email sending and for organizations. Automation Tools: PowerShell, puppet, chocolatey, ansible, terraform, python, batch and bash scripts. λιγότερα
Πρόσλαβε τον/την kashifnadeem86
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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 ** λιγότερα
Πρόσλαβε τον/την AZTURK1
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craftbynick craftbynick
$75 USD / ώρα
An award-winning firm for ambitious brands & ideasUnited StatesHello World! Meet the team at Cyboticx - your powerhouse of innovation in mobile and backend application development. We are creators at heart, committed to fostering growth and driving conversions for your business. Here's why we should be your first choice: Why Choose Us? - Expert Development: We craft...Hello World! Meet the team at Cyboticx - your powerhouse of innovation in mobile and backend application development. We are creators at heart, committed to fostering growth and driving conversions for your business. Here's why we should be your first choice: Why Choose Us? - Expert Development: We craft user-friendly mobile apps and visually stunning websites with expertise in platforms like React Native, Kotlin, Swift, React.js, Laravel, Wordpress, Strapi CMS, and Ghost CMS - Strategic Web Marketing: We go beyond coding to help propel your business to new heights with data-driven digital marketing strategies. We've earned the trust of Fortune 500 giants including Beleave, TIAA-CREF, Tyler Technologies and Comcast, showcasing our ability to foster long-term and successful partnerships. Our Technical Strengths: Backend Technologies: Expertise in Node.js, Express.js, and Laravel. Database & CMS Management: Proficient with MongoDB, MySQL, and popular CMS platforms. Design & Animation: Crafting immersive user experiences and eye-catching animations. Validated by Top Certifications: - AWS Certified Solutions Architect – Professional - Azure Solutions Architect Expert - SnowPro Advanced: Data Engineer Join us in redefining digital excellence and taking your business to the next level. Best, Nick G - Pioneering Your Digital Future at Cyboticx. λιγότερα
Πρόσλαβε τον/την craftbynick
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I'm a network and security engineer, Certified CCNA R&S, CCNP Enterprise Core, JNCIA Junos, JNCIS ENT, 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 -...I'm a network and security engineer, Certified CCNA R&S, CCNP Enterprise Core, JNCIA Junos, JNCIS ENT, 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 λιγότερα
Πρόσλαβε τον/την Ismaileng
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Software Engineer / Cybersecurity Specialist / Network Security Engineer / Web and Mobile Application Developer with 5+ years of experience and senior computer scientist , Certified from Cisco as a "Junior Cybersecurity analyst " and from Altair Rapidminer as "Machine Learning Professional" and "Data Engineering...Software Engineer / Cybersecurity Specialist / Network Security Engineer / Web and Mobile Application Developer with 5+ years of experience and senior computer scientist , Certified from Cisco as a "Junior Cybersecurity analyst " and from Altair Rapidminer as "Machine Learning Professional" and "Data Engineering Professional" Some of my skills and services : ☑️ Linux systems administration "Ubuntu, Debian, Kali and CSI Linux, Red Hat , CentOS" ☑️ Cloud And Cybersecurity Architecture Services "Security Information Event Management Systems , Intrusion Detection and Prevention Systems "Network Based and Host Based" , Network and Application Firewalls , Access Control Systems and Identity access management on Amazon Web Services, Google Cloud and Microsoft Azure" ☑️ Database Development and Administration "Using SQL , MySQL , Python , PhpMyAdmin and PostgreSQL" ☑️ Various Cybersecurity solutions from most of the security vendors products and services including but not limited to "Cisco Umbrella , Cisco ISE , Cisco Chassis , Cisco Routing and Switching ,Snort IDS/IPS , FortiSIEM ,Fortigates, IBM QRadar , Elasticsearch stack SIEM , Graylog , SPLUNK and LogRhythm" ☑️ Mobile Application Development "Native Using Kotlin or Swift" and Cross platform "Using Flutter and React Native" ☑️ Various CMS and E-commerce solutions and troubleshooting. λιγότερα
Πρόσλαβε τον/την ahmedhassan52
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Hi I'm Ahmed, I'm Redhat certified administrator. I have more than 8 years of experience in Linux Systems, VMware (Virtualization). Web applications, databases. Security, Deployment, Backup and lot of skills. let's have a quick chat. Looking forward working with you.Hi I'm Ahmed, I'm Redhat certified administrator. I have more than 8 years of experience in Linux Systems, VMware (Virtualization). Web applications, databases. Security, Deployment, Backup and lot of skills. let's have a quick chat. Looking forward working with you. λιγότερα
Πρόσλαβε τον/την Ahmedi89
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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 λιγότερα
Πρόσλαβε τον/την servermaster
