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  • dailasを採用する
    4.7
    レビュー24件 時給 $25 USD(米ドル)
    Specialties: IT Management, a3df5de7e0Networkdf14389d58 Engineering, MS Windows & Linux a3df5de7e0administrationdf14389d58, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 ... years of Asterisk PBX (plain, elastix, FreePBX) a3df5de7e0administrationdf14389d58 and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential 減らす
  • David08tを採用する
    5.0
    レビュー34件 時給 $22 USD(米ドル)
    Thanks for watching my profile! I started work as system administrator from 2012 year. About my experience: I have big experience with a3df5de7e0networkdf14389d58 a3df5de7e0administrationdf14389d58 (VLAN, SNAT, DNAT, iptables, iproute2 ... , multiWAN, tcpdump...), managed switches, routers... A lot of experience with OpenVPN servers/clients. TUNTAP a3df5de7e0networksdf14389d58, complex routing for separate clients. Serial connection 2,3 servers for more
    Thanks for watching my profile! I started work as system administrator from 2012 year. About my experience: I have big experience with network administration (VLAN, SNAT, DNAT, iptables, iproute2, multiWAN, tcpdump...), managed switches, routers... A lot of experience with OpenVPN servers/clients. TUN\TAP networks, complex routing for separate clients. Serial connection 2,3 servers for more security. OpenVPN over IPv6 and other... Extensive experience with pfSense routers. I use it in every office in my main job, in my own office, as router on rented servers. What I did with pfSenses: DHCP, DNS, DyDNS, SNAT, DNAT, 1:1 NAT, Destination\Source routing, Carp (2 hardware pfSenses in failover mode), MultiWAN, gateway groups (failover and load balancing), VLANs, a lot of experience with OpenVPN servers\clients on pfSense. Experience with VMWare ESXi, vCenter, MS AD, DNS, GPO, RDS, Hyper-V, Proxmox VE, Veeam B&R, Mikrotik, Ubiquiti and some other skills. Hope for cooperation! 減らす
  • chathuranga50を採用する
    4.4
    レビュー1件 時給 $25 USD(米ドル)
    critical time with very good management Practice. ## BIO DevOps, System/a3df5de7e0Networkdf14389d58 a3df5de7e0Administrationdf14389d58, Troubleshooting ## HIGHLIGHTS Server a3df5de7e0Administrationdf14389d58: DNS, Postfix, SAMBA, Squid, Slony, HAProxy DB
    To become an industry expert in the field of Computer Systems, System Engineering with better utilization of my technical, management and leadership skills in a challenging environment where innovation and education are valued and encouraged. Also, very good team player and have a very good ability to work getting done as a team and I have very special talent to make important decisions in a critical time with very good management Practice. ## BIO DevOps, System/Network Administration, Troubleshooting ## HIGHLIGHTS Server Administration: DNS, Postfix, SAMBA, Squid, Slony, HAProxy DB: Postgres SQL, MYSQL NoSQL: MongoDB Web Servers: Apache, Nginx Application Servers: JBoss, Tomcat, Jetty, NodeJS CI/CD Tools: Jenkins Cloud Vendors: Amazon Web Services (AWS) Languages: Bash, Python, Perl Automation: Ansible, Chef Infrastructure Automation: Terraform, CloudFormation Most experienced platforms: Linux Most experienced skills: Ansible, Chef, AWS, Bash, Python, Jenkins 減らす
  • vixun4を採用する
    5.4
    レビュー44件 時給 $25 USD(米ドル)
    management and server side a3df5de7e0administrationdf14389d58, VPN Configuration, Firewalls, a3df5de7e0networkdf14389d58 security, Cisco devices, Routers/Switches, wireless LAN. Experience in planning, testing, implementing, configuring ... , troubleshooting and administrating of a3df5de7e0networkdf14389d58, servers and operating systems. Over the years I have deployed, troubleshoot, tuned and optimized various a3df5de7e0networksdf14389d58 consisting of Cisco, Juniper, Sonicwall ... Solution oriented and Quality-focused Professional with more than 08 years of experience related to IT a3df5de7e0networkdf14389d58 infrastructure designing, implementation and deployment. Expert in technical project
    Solution oriented and Quality-focused Professional with more than 08 years of experience related to IT network infrastructure designing, implementation and deployment. Expert in technical project management and server side administration, VPN Configuration, Firewalls, network security, Cisco devices, Routers/Switches, wireless LAN. Experience in planning, testing, implementing, configuring, troubleshooting and administrating of network, servers and operating systems. Over the years I have deployed, troubleshoot, tuned and optimized various networks consisting of Cisco, Juniper, Sonicwall,Dell, HP networking products. -- Cisco--- Cisco 1700 Cisco 2500 Cisco 2600 Cisco 3800 Cisco 7200 Cisco 800 Cisco 1800 Cisco 1900 Cisco 2800 Cisco 2900 Cisco 3900 Cisco RV Seriese WLC 5500 WLC 4400 WLC 2500 cisco aironet 1000 cisco aironet 1100 cisco aironet 1200 cisco aironet 1300 cisco aironet 1600 cisco aironet 2600 cisco aironet 3600 Cisco ASA 5500 Series Cisco AS 5300 Series Cisco AS 5400 Series Cisco PIX 500 Cisco Switch Catalyst 2960 Cisco Switch Catalyst 3560 Cisco Switch Catalyst 3750 Cisco Switch Catalyst 3850 Cisco Switch Catalyst 4500 Cisco Switch Catalyst 4900 Cisco Switch Catalyst 6500 Cisco 4900 4900M Series Cisco Nexus 5000 Series Cisco Nexus 7000 Series cisco Small Business 100 cisco Small Business 200 cisco Small Business 300 cisco Small Business 500 --- Juniper --- Juniper J Series ->Juniper SRX Series SRX100 SRX110 SRX210 SRX220 SRX240 SRX550 SRX650 SRX1400 SRX3400 SRX3600 SRX5400 SRX5600 SRX5800 ->SSG Series SSG5 SSG20 SSG140 SSG320M SSG350M SSG520M SSG550M --- Sonicwall --- TZ 215 TZ 210 TZ 205 TZ 200 TZ 170 TZ 180 TZ 105 --- NetGear --- AC1900-Nighthawk Smart WiFi Router AC1750-Smart WiFi Router AC1600-Smart WiFi Router AC1450-Smart WiFi Router AC1200-Smart WiFi Router AC1200-WiFi Router N900-CENTRIA WiFi Storage Router N900-WiFi Router N750-WiFi Router N600-WiFi Router N300-Trek Travel Router and Range Extender N300-WiFi Router N450-WiFi Router N300-WiFi Router N150-WiFi Router --- Routers & Firewalls -- Vyatta Pfsense MikroTik D-Link Routers and Switches CehckPoint --- fortigate --- Fortigate 30B Fortigate 30D Fortigate 50A Fortigate 50b Fortigate 60c Fortigate 60D Fortigate 100c Fortigate 100D Fortigate 150D Fortigate 300A Fortigate 300B Fortigate 300C Fortigate 300D Fortigate 1000A Fortigate 1000C Fortigate 1000D --- Zyxel--- Zywall USG Series Zywall P Series 減らす
  • RaalFyを採用する
    2.5
    レビュー4件 時給 $25 USD(米ドル)
    (Apache, Nginx), TCP/IP a3df5de7e0networkingdf14389d58 and other core technologies (DNS, SFTP, SSH, etc) - Amazon Web Services, Google Cloud, Digital Ocean, Vultr, Linode - Pro-active monitoring of system end-points ... . - Server a3df5de7e0Administrationdf14389d58 (CentOS, Debian, Ubuntu) - Accountable outbound e-mail delivery (DKIM, SPF, DMARC). - Virtual Machines (OS deployment, ERP installation, configuration, security.) - Security ... (Firewalls, Security policies, Blocking attacks - Management, Architecture, Backup and Monitoring - a3df5de7e0Networkdf14389d58 Systems Analysis and Capacity Planning - Performance improvement (ability to diagnose a problem
    Hi, I'm Ralph, an all-around Linux systems administrator with over 10 years of experience in Linux systems. I've worked on several Unix infrastructures and application systems including web-servers (Apache, Nginx), TCP/IP networking and other core technologies (DNS, SFTP, SSH, etc) - Amazon Web Services, Google Cloud, Digital Ocean, Vultr, Linode - Pro-active monitoring of system end-points. - Server Administration (CentOS, Debian, Ubuntu) - Accountable outbound e-mail delivery (DKIM, SPF, DMARC). - Virtual Machines (OS deployment, ERP installation, configuration, security.) - Security (Firewalls, Security policies, Blocking attacks - Management, Architecture, Backup and Monitoring - Network Systems Analysis and Capacity Planning - Performance improvement (ability to diagnose a problem in configuration) - Fedena School Management System (Pro Installations, Integrations, Upgrades) - High Availability and scalability experience - General consultations 減らす
  • FranMercedesGを採用する
    2.0
    レビュー2件 時給 $40 USD(米ドル)
    / Elastix / FreePBX / Issabel - Hosted PBX Solutions. - Asterisk Security. - Windows Server a3df5de7e0Administrationsdf14389d58. - Custom Asterisk Development (PHPAGI,Bash Scripting). - Linux Server a3df5de7e0Administrationsdf14389d58 ... . - a3df5de7e0Networkingdf14389d58. - SMTP Servers Setup. - FailOver, Load balancer, Clustering Setup - Security and Firewall setup - Call Center Solutions (Vicidial,Goautodial). - Backup and Disaster Recovery - Uptime Monitoring.
    I Have been active in hosting and cloud field from last 7 years working on following technologies: I have extensive, practical and relevant industry experience in the following area : - Asterisk / Elastix / FreePBX / Issabel - Hosted PBX Solutions. - Asterisk Security. - Windows Server Administrations. - Custom Asterisk Development (PHPAGI,Bash Scripting). - Linux Server Administrations. - Networking. - SMTP Servers Setup. - FailOver, Load balancer, Clustering Setup - Security and Firewall setup - Call Center Solutions (Vicidial,Goautodial). - Backup and Disaster Recovery - Uptime Monitoring. 減らす
  • adminkptcを採用する
    0.8
    レビュー1件 時給 $20 USD(米ドル)
    Hello potential employer, I'm new to Freelancer.com but I have more than 5+ years of experience in Linux and windows a3df5de7e0administrationdf14389d58. I have worked in complex a3df5de7e0networksdf14389d58 that have given me a great deal
    Hello potential employer, I'm new to Freelancer.com but I have more than 5+ years of experience in Linux and windows administration. I have worked in complex networks that have given me a great deal of knowledge in most aspects of the recurring problems. Stacks : LEMP, LAMP, MEAN Cloud : AWS, Azure, Google, Digital Ocean, Vultr. Email : Deliverability issues, Custom SMTP , Blacklist & IP reputation, FBL's. Panels : Cpanel, Webmin, VestaCP, Direct admin. Migration : P2V, V2V and V2P migration. Other : Disaster recovery and High availability. 減らす
  • gigadevcaを採用する
    2.1
    レビュー1件 時給 $35 USD(米ドル)
    Datacenter System a3df5de7e0Administrationdf14389d58 Computer a3df5de7e0Networkingdf14389d58 Cisco Product Deployment L2/L3, TCP/IP, Switching, VLAN, IP configuration, Subnetting
    GigaDevCA is a US based technology solutions company working with employees around the globe. Our onshore-offshore model gives our clients the best product quality at affordable rates. Customer satisfaction and product quality is our ultimate priority. Our team is split between USA and Lahore, Pakistan. We employ programmers from some of the best institutes in Pakistan. Expertise: Native Mobile Apps (iOS Native, Android Native) Hybrid Mobile Apps (React Native, IONIC 2) Web Development (CMS and Custom Web Design) WordPress Shopify OperCart CS-Cart Magento PHP Laravel Angular JS Node JS .net Asp.net HTML/CSS/CSS3/Bootstrap BlockChain Technology (Cryptocurrency Wallets & Exchanges, Ethereum Smart Contracts, ICO) Unity Games C C++ Python Design work (logo, banner) Content Writing Datacenter System Administration Computer Networking Cisco Product Deployment L2/L3, TCP/IP, Switching, VLAN, IP configuration, Subnetting 減らす
  • vavyを採用する
    4.7
    レビュー21件 時給 $23 USD(米ドル)
    If you are looking for an expert in such areas as: Linux/Unix; Cloud Services (AWS, Azure, Google...); VPS, Hyper-V, KVM, VMWare; VPN, a3df5de7e0Networksdf14389d58, Firewals, Cisco, BGP, Radius; VoIP; Mail, DNS ... ; OpenSource; Windows servers; Clusters; SAN; and so on... it's me. I work as individual. I have 16+ years with systems a3df5de7e0administrationdf14389d58 experience. My real name is Sergey. Write me at any time. I would be glad to solve your problems. Thank you.
    If you are looking for an expert in such areas as: Linux/Unix; Cloud Services (AWS, Azure, Google...); VPS, Hyper-V, KVM, VMWare; VPN, Networks, Firewals, Cisco, BGP, Radius; VoIP; Mail, DNS; OpenSource; Windows servers; Clusters; SAN; and so on... it's me. I work as individual. I have 16+ years with systems administration experience. My real name is Sergey. Write me at any time. I would be glad to solve your problems. Thank you. 減らす
  • abdofarag2を採用する
    3.7
    レビュー7件 時給 $35 USD(米ドル)
    ● Linux/Unix System a3df5de7e0Administrationdf14389d58 - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database ... , Python, and Ruby. a3df5de7e0Networkdf14389d58 Services: DNS, NTP, VPN, and DHCP. Identity Authentication: OpenLDAP, and FreeIPA. Security: IPtables, Firewalld, SELINUX Monitoring: Nagios, Zabbix, collectd, Zenoss, and ... , Kubernetes, LXC/LXD ● a3df5de7e0Networkingdf14389d58 and Security Firewalls, Routers, Load Balancers: Mikrotik, VyOS, Zeroshell, and PFsense. VPN: Management and configure site-to-site/vpn-as-service (L2TP-PPTP/OVPN)
    ● Linux/Unix System Administration - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database: Mysql, Postgres, MongoDB Cache & Proxy: Squid, Varnish, Nginx, and Lusca. Mail Server: Postfix, Sendmail, IredMail, Qmail, and Zimbra. Automation: Ansibe, Puppet, Chef, and Teraform. Scripting: Bash, Perl, Python, and Ruby. Network Services: DNS, NTP, VPN, and DHCP. Identity Authentication: OpenLDAP, and FreeIPA. Security: IPtables, Firewalld, SELINUX Monitoring: Nagios, Zabbix, collectd, Zenoss, and Netdata. DevOps: Docker, Git, Jenkins, and Selenium. ● Virtualization and Cloud Computing KVM: Proxmox, RHEV, and OVIRT VMware: VSphere 5.x, VSphere 6.x ClOUD: Open Stack Container: Docker, Kubernetes, LXC/LXD ● Networking and Security Firewalls, Routers, Load Balancers: Mikrotik, VyOS, Zeroshell, and PFsense. VPN: Management and configure site-to-site/vpn-as-service (L2TP-PPTP/OVPN) 減らす

さん、こちらはオフラインフリーランサーです

さん、こちらは""に一致した、オフラインフリーランサーです