展示 34 结果
高级威客
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With more 20+ years in TELCO experience, I have wide experience in VoIP (on-premise and cloud environments), Cloud (Hybrid, SaaS, IaaS or PaSS enviroments) and cybersecurity infraestructure. I have an university degree in telecomunications engineer and also several certifications in AWS, GCP, Azure, Huawei Cloud,...With more 20+ years in TELCO experience, I have wide experience in VoIP (on-premise and cloud environments), Cloud (Hybrid, SaaS, IaaS or PaSS enviroments) and cybersecurity infraestructure. I have an university degree in telecomunications engineer and also several certifications in AWS, GCP, Azure, Huawei Cloud, Asterisk, Fortinet, CISCO. 收起
雇用 techs4funs
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kishoreviswanath kishoreviswanath
$25 美元/小时
Sr Security Specialist Fortigate, Sonicwall,SophosIndiaNetwork & Security Specialist with 11+ years of hands-on experience in core networking and security. Worked as a Sr Specialist for many organizations and in multiple MSP environment. My in-depth core area of expertise is Enterprise Network Design, Implementation, Management, RCA Troubleshooting and Security...Network & Security Specialist with 11+ years of hands-on experience in core networking and security. Worked as a Sr Specialist for many organizations and in multiple MSP environment. My in-depth core area of expertise is Enterprise Network Design, Implementation, Management, RCA Troubleshooting and Security Implementation & its enhancement. I have successfully done multiple Network and Firewall Migration with proper planning and documentation. Have extensive skill on solving complex problems and consistently delivering effective solutions for my clients with the emerging technologies as cater to their needs. Firewall & VPN *************** Firewall Handled: Fortigate 80F,60E,400F,500E,2600F; FortiManager, FortiAnalyser., FortiAP, FortiSwitch Checkpoint Firewall -12000, 61000 (up to R80.40). MDS. Cisco Meraki MX; FTD - 2000, 4000; Cisco ASA-5515, 5520,5550,5506-x. PfSense; Sophos, Unifi Firewall. SonicWall TZ, NSa Series Firewall. * Fortigate Firewall Policy definition, UTM profile, HA, ADVPN & SD-WAN configuration. FortiManager. FortiAnalyzer, Fortiage ZTNA & EMS, FortiSASE * Checkpoint Firewall Policy & Blade configuration, HA, Managing, Troubleshooting. * SonicWall Firewall Policy, UTM, SD-WAN configuration, HA, Managing, Troubleshooting. * CISCO Firewall Policy definition, VPN Technologies, Failover, etc * Cisco Meraki MX - Planning, deployment and Troubleshooting. * Pfsense, OPNsense, Sophos, Unifi Firewall Planning and deployment. * Firewall VPN - IPSec site to site, Remote access VPN- SSL/L2TP/PPTP. OpenVPN deployment. Cloud Technologies * * * * * * * * * * * * * AWS: VPC, Route53 , ELB, VPN and Security deployment. VPN On-Premises, VPC Peering and Transit Gateway. * Cloud Virtual Firewall planning and deployment. * Cloud Firewall: Fortigate VM, FortiManager VM, FortiAnalyser VM ; Pfsense ; OpenVPN. * Deploy and Managing Cloud and On-Premises network. * Cloudflare, Domain & DNS Management Routing ******** Routers Handled: Cisco Router SMB - RV340 to ISR 1000,4000 series Advance Routing Protocol Design- OSPF, EIGRP, and BGP. Redistribution. NAT, Policy-based Routing, QoS, Traffic shaping. ISP load balance and performance routing. Switching ********** Switch Handled: Cisco Switch- CBS 350 to Catalyst - 4000,6000 ; Nexus - 2000/7000/9000 Cisco Meraki MS & MR and Fortigate switches. Aruba Switch and Unifi Switches. Network & Protocol Stack: *************************** Wireshark Packet Analysis. Troubleshoot LAN/WAN/Application slowness issue. Perform RCA with report. Capturing and deep Analyzing of Network packets using Tcpdump etc. Troubleshoot Application level issues. ----------------------------------------------------------------------------------------------------------------------- #Network #Security #Fortigate #VPN #Cisco #Pfsense #Sonicwall #Unifi #Meraki #AWS #Fortinet #Firewall #Cloud #VPC #Network Architecture #IPS #Malware Protection #NGFW #ZTNA #Security Consultant #Sophos 收起
雇用 kishoreviswanath
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✅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 收起
雇用 touhidecevw
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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 收起
雇用 servermaster
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Hi..I am an experienced Cloud Server Engineer having years of experience in Linux Servers, DNS, Virtualization, Firewalls, Networking, Docker, Kubernetes, IT support, CI/CD Pipelines, Monitoring systems, AWS Cloud, MS Azure, Google Cloud, Digital Ocean, Linode, etc, etc in and outside Freelancer. I follow...Hi..I am an experienced Cloud Server Engineer having years of experience in Linux Servers, DNS, Virtualization, Firewalls, Networking, Docker, Kubernetes, IT support, CI/CD Pipelines, Monitoring systems, AWS Cloud, MS Azure, Google Cloud, Digital Ocean, Linode, etc, etc in and outside Freelancer. I follow industry-leading best practices and approaches when fixing a problem or implementing a solution. I have a broad understanding of both the technical and business aspects of application hosting. With years of experience in the industry, I'm passionate about providing my clients with the best customer support possible. My top priority is to ensure that my clients are delighted with my work and fully satisfied with the end result. Why Me? * Years of professional experience * Fast Communication * No Project Delivery Delay * Full support * Trustworthy and Reliable * Available with all right skills 收起
雇用 anirbandutta999
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LBN Cyber Labs LLP is a leading cloud solutions provider based in Gurgaon, India. We have expertise in Cloud Computing, Container, Kubernetes , Enterprise Communications, DevOps, IaC. We provide professional services for AWS cloud. We help business to deploy application in aws , cloud migration, consultation for...LBN Cyber Labs LLP is a leading cloud solutions provider based in Gurgaon, India. We have expertise in Cloud Computing, Container, Kubernetes , Enterprise Communications, DevOps, IaC. We provide professional services for AWS cloud. We help business to deploy application in aws , cloud migration, consultation for choosing best aws services for requirement, ci/cd pipeline setup. 收起
雇用 antima5
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I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I...I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. 收起
雇用 abusayed2004
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I have more than 8 years of experience working on system side projects. QT, C, C++, Linux/Android system prog, device drivers and Linux & AWS server administration. I also undertake testing projects.I have more than 8 years of experience working on system side projects. QT, C, C++, Linux/Android system prog, device drivers and Linux & AWS server administration. I also undertake testing projects. 收起
雇用 gv566228
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Nliven Technologies is a Software Development & Information Technology consulting company. Founded in year 2002 we provide our services in Software Application development, Testing, Maintenance, Server Administration (including Cloud Servers), Networking Solutions, Internet Marketing, Web and Graphics Designing,...Nliven Technologies is a Software Development & Information Technology consulting company. Founded in year 2002 we provide our services in Software Application development, Testing, Maintenance, Server Administration (including Cloud Servers), Networking Solutions, Internet Marketing, Web and Graphics Designing, Domain registration and web hosting. We work on wide spectrum of technologies viz. Artificial Intelligence, Data Analytics and Insights, Data Scraping, Intelligent GPS Tracking Systems, Online Digital Publishing, ERP Applications, Social Networking Services, Content Management Systems, e-Commerce Web-applications, Hybrid Mobile Applications etc. We specialise in creating cutting edge applications for both mobile and web in cost effective and timely manner. Our core areas of expertise include: - Web application development - Mobile application development - Artificial Intelligence (AI) - Server Administration 收起
雇用 nlivenvw
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Colan Infotech is an early adopter of the developing Artificial Intelligence, Machine Learning, Data Science, Data Enginnering,Java,.Net.PHP,Testing,Mobility etc. We do Software Development, Website Designing, and Smart-phone apps development. We offer services to large enterprises, Small and Medium-size companies,...Colan Infotech is an early adopter of the developing Artificial Intelligence, Machine Learning, Data Science, Data Enginnering,Java,.Net.PHP,Testing,Mobility etc. We do Software Development, Website Designing, and Smart-phone apps development. We offer services to large enterprises, Small and Medium-size companies, and software product companies. We have a well-experienced team with strong technical background and dedicated team of professionals equipped with all required offshore project development, infrastructure and also we have associated with reputed partners in software products and technology. https://colaninfotech.com/freelancer 收起
雇用 Colaninfotech
