Freelancers zum Anheuern
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Gesponserte Freelancer
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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 weniger
servermaster
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touhidecevw touhidecevw
$50 USD / Stunde
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean ✅VMware ESXi, VMware Workstation, VirtualBox, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration (Windows Server 2008, 2012, 2016, etc.), Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python weniger
touhidecevw
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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 weniger
Ismaileng
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I'm a full-time senior Windows server and network engineer since 2011 who have great experience in Microsoft Servers, Cisco and HP Networking and fluent in English. I hold the following titles: * Senior Data Network Engineer * Wireless Data Network Engineer * Senior Network Security Engineer * MS Visio Expert *...I'm a full-time senior Windows server and network engineer since 2011 who have great experience in Microsoft Servers, Cisco and HP Networking and fluent in English. I hold the following titles: * Senior Data Network Engineer * Wireless Data Network Engineer * Senior Network Security Engineer * MS Visio Expert * Arabic-English Translator Technologies: Microsoft, Cisco, HP, Aruba, Huawei, 3com, Mikrotik, SonicWall, Pfsense, Ubiquiti, NetGear, and Linksys Tools: GNS3, EVE-ng, Packet Tracer, VMware and VirtualBox. Have a look at my portfolio. It contains real case projects. weniger
MahmoodIsmael
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PMP and Cisco Certified Telecoms Engineer with 10+ years experience in corporate and mobile networks, Project Management, Implementation, Planning and Design. Linux/Unix, Oracle DBA, SQL - TCP/IP - LAN/WAN/WLAN - OSS/BSS - Cisco/Ericsson/Siemens Technologies.PMP and Cisco Certified Telecoms Engineer with 10+ years experience in corporate and mobile networks, Project Management, Implementation, Planning and Design. Linux/Unix, Oracle DBA, SQL - TCP/IP - LAN/WAN/WLAN - OSS/BSS - Cisco/Ericsson/Siemens Technologies. weniger
sdiego2020
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Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols,...Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols, MPLS, VPNs, SDNs, WAN, LAN, WiFi and cloud networking. Skilled in managing server hardware and diverse operating systems including Windows, Linux, and OS X. I am proficient coding in Python, Powershell and BASH, and have extensive experience generating management and C-Level reporting with the likes of Python, PowerPoint and PowerBI. Given my scientific background I am also able to work in systems like Wolfram Mathematica and Wolfram Alpha. Renowned for ensuring network security, compliance, and operational efficiency while driving strategic initiatives to meet organizational objectives. Passionate about delivering superior solutions that exceed client expectations. weniger
JonJoensen
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I provide Excel\Formulas\VBA solutions, including integration with Word, Powerpoint, and Outlook, with experience in Telecommunications, Networking (Cisco Packet Tracer, GNS3), and programming using the following technologies; Python, C/C++, VBA for Applications, HTML, PHP, Javascript. I also have experience in data...I provide Excel\Formulas\VBA solutions, including integration with Word, Powerpoint, and Outlook, with experience in Telecommunications, Networking (Cisco Packet Tracer, GNS3), and programming using the following technologies; Python, C/C++, VBA for Applications, HTML, PHP, Javascript. I also have experience in data entry, processing, and analysis using Latex. I strive to work hard and meet client requirements and deadlines, also continuously working to improve my capabilities. weniger
gr8tech
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After getting nine years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...After getting nine years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Cloud Computing ---> AWS (EC2, RDS, VPC, ECS, EKS, S3, EFS, Cloudfront, Elastibeanstalk, etc) Cloud Computing ---> Azure (VM's, Vnet, Scaleset, Function Apps, App Services, CosmosDB, FlexibleDB, AKS, Blob Storage, etc..) Containerization ---> Docker, Docker-compose, Kubernetes DevOps ---> Jenkins, Bitbucket, Github, Terraform, Ansible, Python Virtualization ---> Vmware Vsphere High Availability & Disaster Recovery ---> Veeam Backup & Replication Windows Server ---> Active Directory, File Services, WDS Mail Server, Database Server ---> Exchange, Mdaemon VOIP ---> Elastix, Freepbx Website Development ---> Wordpress, PHP, HTML, CSS, Javascript weniger
arifnafees
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With years of experience in web development and server management, I bring a wealth of expertise to the table. Whether you're a budding entrepreneur, a small business owner, or an established enterprise, my skills and dedication are at your service.With years of experience in web development and server management, I bring a wealth of expertise to the table. Whether you're a budding entrepreneur, a small business owner, or an established enterprise, my skills and dedication are at your service. weniger
sabdsouza
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Alhamdulillah... I have more than 11 years of IT industry experience with specialization in Linux Administration. Extensive experience in installation, configuration, tuning, troubleshooting, security, backup, recovery, storage, upgrades of Linux. Experience in Bash and Ansible scripting for task automation. Web...Alhamdulillah... I have more than 11 years of IT industry experience with specialization in Linux Administration. Extensive experience in installation, configuration, tuning, troubleshooting, security, backup, recovery, storage, upgrades of Linux. Experience in Bash and Ansible scripting for task automation. Web server: Apache2, Nginx Web Mail server: Zimbra, Roundcube with postfix DNS: Bind dns, Powerdns with admin panel, DNS management in hosting AWS: Aws services like IAM, EC2, S3 Bucket, EBS, EFS, VPC etc. Monitoring: Cacti, Nagios, Zabbix, Opmanager etc Big data analysis: ELK stack Devops tool: Bash, Ansible, Git Firewall: IPtables, Firewalld, UFW, Snort, Suricata Cpanel: Vestacp, CWP Virtualization: KVM, Vmware esxi DB: Mysql, Mariadb Container: Docker Hosting: vps, domain, sites etc FTP: FTP, FTPS, SFTP I will troubleshoot and fix your any kind of Linux issues In Sha Allah. weniger
fullfun
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