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  • $125 hourly
    Experienced Network Engineer. Everything from Routing, Switching, WiFi, Designing, Troubleshooting. I started my career owning an Internet Service Provider and have worked in IT networking my entire career. I'm looking to expand my services by contracting projects for clients remotely. Currently working in with many network technologies at an expert level. Recent 2020 projects in: Cisco, Ubiquiti, Cisco Meraki, Many VOIP solutions, etc.
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    Network Planning
    PfSense
    Computer Network
    Firewall
    Internet Protocol Security
    Cisco Router
    Network Administration
    DHCP
    Network Equipment
    Virtual LAN
    VoIP
    Ubiquiti
    Network Design
    Cisco Meraki
  • $45 hourly
    I'm network administrator with 8 years of experience implementing and managing complex network solutions. I also work as VOIP administrator managing 3cx PBXs, SIP trunks and several types of phones (Yealink, Snom and Fanvile). I have the following certificates: 1. CCNA 2. CCNA security 3. CCNA wireless 4. CCNP - Not certified yet 5. MTCNA 6. MTCRE 7. Linux Essentials 8. LPIC-1 9. Sophos UTM Engineer 10. dCAA 11. 3CX I have experience with the following vendors: Cisco MikroTIK Sophos UTM HP Ubiquiti - Unifi Juniper Alied Telesis PfSense I can help you with: Router configuration WAN Failover VPNs - IPSec, L2TP, OpenVPN etc... Routing - Static, Dynamic including OSPF and BGP MPLS - L3VPN IPSec Firewall - Filter rules, mangle rules etc... FHRP VRF QoS Switch configuration Vlans FHRP Etherchannel Port security Voice Vlan Trunks Troubleshooting Wireless configuration Cisco WLC and LWAPs Ubiquity Unifi - AP, Switch, USG MikroTIK - I have probably configured 500+ MikroTIK devices VOIP 3CX PBX deployment on prem and in cloud Phone management SIP Trunk management DID management IVR Queues Ring Groups etc... Email security Sophos UTM email filter Spam Titan email filter DNS - SPF, DKIM, DMARC Reach out if you find this interesting and we can discuss the details about your project.
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    MikroTik
    Network Design
    Network Administration
    VoIP
    3CX
    VPN
    PfSense
    Mikrotik RouterBOARD
    Cisco Certified Network Professional
    Cisco Router
    Ubiquiti
    Linux System Administration
    MikroTik RouterOS
    Sophos Sophos UTM
    Cisco Certified Network Associate
  • $85 hourly
    Hello! I am a Telecommunications and Networking Specialist and I primarily work with Cisco networking technologies, both wired and wireless, routing, switching, IP telephony and VoIP. Since 1999 I have had the privilege of working with multi-site organisations where these technologies have been applied to the fullest extent. In most cases, the applications of these technologies have been on an “enterprise” scale, with hundreds of users (or even tens of thousands for some municipal Wi-Fi networks) and tens of locations. I've been designing and managing Cisco IP telephony and data networks as well as writing proposals, RFPs and technical writing projects for large scale organisations in both the public and private sector in multiple countries including the USA, the UK and Greece. I’ve been technical manager of European funded projects and administrator for IP Telephony networks, data networks, municipal Wi-Fi networks and metropolitan fibre optic networks. I have a CCNP certification and four CCNA certifications in Routing & Switching, Security, Voice and Wireless. I am currently working towards my CCNP Collaboration and my CCIE certifications. I am also an instructor for Cisco Academy. Although I live in Greece, I was born and raised in Canada, so English is my first language. My Philosophy: The quality of my work and my services are of great importance to me. My goal is to always be on time, consistent and pleasant to work with. I will be clear and concise from the beginning, letting you know what each job entails and how much time it will take. All this will be done honestly, without fanfare and with integrity. I would even say that I will be chivalrous with my obligations towards you. This is good for you, because you’ll get done what you need to get done. This is good for me as well, because you will be pleased with my work and you will give me a good review. It’s a win-win situation! So I look forward to having the pleasure of working with you.
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    Cisco Certified Network Associate
    Technical Documentation
    Wireless Network Implementation
    Technical Writing
    VoIP Administration
    Cisco Router
    Cisco CallManager
    Cisco Certified Network Professional
    Network Planning
    Network Design
  • $90 hourly
    • CCNP Collaboration • Configure and troubleshoot Cisco Webex Calling • Transition customers from on-premise to Cisco Webex Calling • Extensive experience and training in designing, installing, and troubleshooting Cisco Unified Communications Manager, Unity Voice Mail, Unified Contact Center Express and other applications, Voice Gateways, and IP Phones • 3 years configuring, troubleshooting, and transitioning customers to Cisco Webex Calling • 22 years of configuring, troubleshooting, and testing Cisco Unified Communications Manager (CallManager) and other Cisco Applications • 24 networking experience • 24 operating system and Microsoft application experience • 24 years of project management experience • 24 years of installing, configuring, maintaining, and troubleshooting Cisco routers and switches
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    Cisco Certified Network Associate
    Cisco Certified Network Professional
    Session Initiation Protocol
    Cisco UCS
    VoIP Administration
    Cisco IOS
    Cisco Router
    Cisco CallManager
    VoIP
    Network Administration
  • $55 hourly
    Am a CCIE#26611 with extensive experience in Routing & Switching, Security, Datacenter, Virtualization, Programmability & Automation. Am delivering unique & absolutely different service for the below technologies: * SDN Datacenter: Cisco ACI, VMware NSX, Nutanix Flow, Arista. * SDN Storage: Cisco HyperFlex, Nutanix HCI, VMware VSAN. * SDN Access: Cisco DNA, LISP Implementation, Cisco Spaces. * SDN WAN: Cisco SDWAN, VMware VeloCloud, SilverPeak, PaloAlto SDWAN, FortiGate SDWAN, Meraki. * Programmability & Automation Controllers: Python & API tools to automate business intent & workflows within networks, Ansible, Chef, Puppet, Terraform, OpenShift. * Monitoring Applications: Zabbix, SolarWinds, Home Made Custom Tools, Nmap, Packet Tracer (Wireshark). * Routing & Switching and Wireless Technologies: Cisco, Mikrotik, Juniper, FS. * Security: Cisco, PaloAlto, FortiNet, Ubiquiti, VMware MDM. * Datacenter, Cloud Computing, Cloud Native, Virtualization & HCI Solutions. * Micro-segmentation & Containerized Applications: Docker, Kubernetes. * API Gateways & Swagger Documentation. * Python Scripting for DevOps, SecOps, NetOps & IaC. * Technical Writing & Documentation. Please refer to my LinkedIn account aossama. Certifications: * CCIE Enterprise CCIE#26611. * Cisco CCNP Enterprise. * Cisco CCNP Datacenter. * Cisco ACI Certified Specialist. * Cisco DevNet Certified Specialist.
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    Machine Learning
    Cisco Meraki
    Network Security
    Palo Alto Firewalls
    Network Design
    Network Monitoring
    Network Engineering
    Python
    Information Technology
    Cisco Certified Internetwork Expert
    Cisco ACI
    Software-Defined Networking
    VMWare
    Virtualization
    Cisco
  • $78 hourly
    *****Jack Of All Trades, Master Of Networks***** - Top Rated Network and Cloud Engineer. - 280+ projects and 6000+ Upwork hours up to date. - Six figures in the past twelve months. - Full-Time Freelancer. - Half million earned on Upwork. Networking vendors I have worked with: * Cisco, Mikrotik, Fortigate, Ubiquiti, Vyatta, VyOS, pfSense, Sonicwall, Sophos XG, Watchguard, Brocade, Ruckus, HP, Huawei, HPE, Aruba, Arista, etc. Cloud Skills: Terraform (AWS, Azure, GCP) AWS - VPC, EC2, RAM, R53, LB, S3, IAM/SSO, various NGFWs, Terraform. Azure - AD, AADDS, S2S VPNs, VMs, LB, NGFWs, Azure Hub-Spoke, Terraform. GCP - Cloud Compute, Security, NGFWs, Terraform. Digital Ocean Vultr ...
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    Open Networking Operating System
    Google Cloud Platform
    Fortinet
    AWS Application
    Microsoft Azure
    OpenVPN
    PfSense
    Azure
    Cisco ASA
    Sophos Sophos UTM
    Brocade
    MikroTik RouterOS
    Cisco Router
    Network Design
    Ubiquiti
  • $40 hourly
    A highly trained technical individual who has knowledge in security, infrastructure and all layers of the OSI; is able to handle clients and provide them substantial support needed; has excellent communication skills; can lead technical team in field works.Tracked and routed problems and submitted instant resolutions at the shortest time possible. Asterisk/Freepbx/Elastix/SwitchVox VOIP Server deployment and configuration in Linux. Asterisk/Freepbx/Elastix/SwitchVox deployment and Support in VOIP Provider Setup Asterisk/Freepbx/Elastix/SwitchVox CallCenter Solutions Asterisk/Freepbx/Elastix Cloud (AWS and Digital Ocean) based installation, Configuration and troubleshooting. Asterisk/Freepbx/Elastix Cloud (AWS and Digital Ocean) based ongoing Support Asterisk/Freepbx/Elastix/SwitchVox Outbound, Inbound routes SIP Carriers routing Asterisk/Freepbx/Elastix/SwitchVox IVR, Voice Mailbox Asterisk/Freepbx/Elastix/SwitchVox SIP/PRI settings Asterisk/Freepbx/Elastix/SwitchVox Call Recording Asterisk Dynamic logins Asterisk Real Time Database Customization of Asterisk based Voicemail service Deployment of different Text to Speech and Speech to text systems Mysql and Asterisk based dynamic IVR using Text to speech engines like Festival, Cepstral and IBM Watson Real time Asterisk deployment Freeswitch/Fusion Pbx Installation and Configuration Freeswitch/Fusion Pbx Sip Profiles Freeswitch/Fusion Pbx Dial plan and Gateways settings Freeswitch/Fusion Pbx Directory users and groups Kamailio Installation, Configuration and Troubleshooting Kamailio Registrat Server Kamailio SIP Proxy Server Kamailio Realtime Configurations Wazo Installation and configuration Wazo complete deployment solutions Wazo and IBM Watson Speech to Text API successfull Implementation Wazo endpoint configuration Wazo server SIP Trunks configuration Wazo server Incoming and outgoing call routing Microsoft Teams Inbound/outbound Calls Microsoft Teams IVR etc Vicidial Customizations and integration with Asterisk servers Vicidial Carriers Settings, Campaigns and Leads deployments Vicidial Support and Troubleshooting Yeaster UC100 setup, configuration and routing. Databases: MySQL and Postgresql Programming Skills: Shell Scripting, Php, Python, JSON, XML and JavaScript a).Expert knowledge of Cisco ASA5505,ASA5510,ASA5520, SonicWall NSA 2400, NSA 2600, TZ170, TZ150, TZ300 and TZ400 Configuration and Deployment of ASA(s) at British American Tobacco Company Configuration and Deployment of ASA at International Resource Group Pakistan b).Expert knowledge of Cisco Rotuers and Layer2,Layer3 Switches Experience and good hand on Cisco Routing and Switching c).Expert knowledge of all kinds of VPN solution Implementation of Site to Site VPN between Telenor and CellTrack International DataCenter Implementation of Site to Site VPN between Warid and CellTrack International DataCenter Implementation of Remote Access VPN for British American Tobacco Company Implementation of Remote Access VPN solution for International Resource group Islamabad Installation, Configuration, Monitoring and Troubleshooting of Router(s), Switch(s), Firewall(s) and VPN(s) Specialties: VOIP Solutions Linux System Administration Shell Scripting Network Security Routing and Switching Network Design
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    Communications
    Phone Support
    Iptables
    MySQL
    Ubuntu
    CentOS
    VICIDIAL
    FreePBX
    VPN
    Cisco IOS
    Cisco ASA
    Cisco Router
    Linux System Administration
    Asterisk
  • $49 hourly
    I have more than 12 years of hands on experience in Data/IP Network, Network Security and Telecommunication. Experienced in network design , troubleshooting complex issues, complex migrations and implementing large-scale networks. Experienced in training and technical project management ,managing technical teams etc.
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    Cisco Meraki
    Wireless Communication
    Digital Transformation
    Migration
    Cisco Router
    Computer Network
    Cisco
    Fortinet
    Data Center Design
    Data Center Migration
    Software-Defined Networking
    Cisco Certified Internetwork Expert
    Network Design
    Network Security
    Network Engineering
  • $100 hourly
    Network Engineer with proven track record of delivering network solutions, IT Infrastructure, and telecom services. My area of expertise includes. . Certified: CCNP, AZ305, AZ104, AZ-700, CCNA, ITIL, MCSA, ZIA. · Configuration of networks, servers, switches and routers. . Zscaler: ZDX, ZPA & ZIA . Cisco R&S, Cisco ISE, Cisco ASA, Juniper, ESXI VMware, Hyper-V. . Wireless Tech: Meraki, Aruba, Aerohive, Ubiquiti. . CRM: Zendesk, Halo, Fresh Service and ServiceNow . NMS: SolarWinds, Opmantek, Mutiny, Datadog . Firewall: Checkpoint, Palo Alto, Cisco ASA, FortiGate . Windows Server, Linux, Exchange Servers, O365, Active Directory, SSL Certs, DNS, DHCP, SCCM.
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    Palo Alto Firewalls
    Firewall
    Automation
    Microsoft SCCM
    Zendesk
    Network Design
    Cisco Certified Network Associate
    Microsoft Visio
    Cisco Certified Network Professional
    Cisco Router
    Python
    Microsoft Active Directory
    Microsoft Azure
    Microsoft Exchange Server
    Office 365
    Windows Server
    Linux
  • $25 hourly
    BE in Electronics and Telecommunication with 20 years of experience in Firewall, Networks. VOIP, Wireless. Datacenter, Servers etc Security: Cisco ISE, Cisco Firepower, Cisco ASA 5500, Cisco Meraki, PaloAlto, Checkpoint, Sophos, Fortigate, Dell Sonicwall, Juniper, PFSense, Rapid7, Watchguard, Barracuda SEIM: Solarwinds, Wazuh, Splunk Network: - Cisco, HP, Brocade, Juniper, Zylex, Microtik, GPON/EPON, Ubiquiti VoIP: Cisco, Avaya, Asterisk, FreePBX, 3CX, Microsoft Teams, Grandstream Wireless: Cisco, Ubiquiti, Mojo (AirTight), Aruba, Video: Cisco Telepresence MX200/300/SX20, Telepresence Server, Telepresence Conductor Server, Avaya Scopia XT Data Center: VMware vSphere 7.x, Cisco UCS, Microsoft Hyper V, Citrix Xenserver, Oracle Virtual Box Applications: Microsoft SCCM, MS SQL Server, WSUS, Radius Server, Squid Proxy Server, Keypass, Wordpress Cloud: Amazon Web Services (AWS), Google Cloud platform, Microsoft Azure Cloud Storage: NetApp, Western Digital Routing Protocol: OSPF, EIRGP, BGP, RIP. Network Tools: Wireshark, Solarwinds, Netflow, PRTG, Cacti, Scrutinizer, Logzilla, Wazuh Operating System: Windows 2012/2016/2019, CentOS, Ubuntu
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    Cisco WLC
    Cisco UCS
    Juniper
    Sophos Sophos UTM
    Cisco ASA
    Fortinet
    Asterisk
    VPN
    VoIP Administration
    Cisco ASA
    Microsoft Active Directory
    Cisco Router
    Cisco CallManager
  • $75 hourly
    Server administrator with over 10 years of experience in the IT industry. Technic and manager with a wide range of IT competencies. Fast and efficient troubleshooting. Numerous successes for the maintenance of English speaking clients.
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    Amazon ECS
    ConnectWise Automate
    VMware ESX Server
    VMware Administration
    Veeam
    Microsoft Hyper-V Server
    Amazon Web Services
    Microsoft Windows PowerShell
    Google Cloud Platform
    VMWare
    Windows Server
    System Administration
  • $59 hourly
    Over 13 years of experience in Enterprise network solutions, design, implementation & Operations. List of solutions experience: A) Routing & Switching: Cisco ISR, ASR(IOS/IOS-XE), Nexus N5K, N7K, C2960, C3650, Catalyst 9K, SG500X, Brocade/Ruckus, HP Mellanox SN2000, QoS, BGP, OSPF, EIGRP, STP, VLAN, VPC B) Networks Security: Cisco FirePower, ASA/FTD, Juniper ISG, Fortigate 501E 201E, FortiAnalyzer/FortiManager, PaloAlto PA-5200, Cisco ISE (Tacacs+ / Radius), SecureWorks, SonicWall, pfsense, Meraki MX, Cisco Umbrella, DUO 2FAC C) Wireless Networks: Cisco WLC 9800 | Cisco 9100 series AP , FlexConnect / Mobility Express, Meraki MR D) Remote Access | VPN: CiscoAnyConnect, Prisma, Zscaler E) Network Performance Optimization: Riverbed Steelhead F) Monitoring: Solarwinds, Nagios, Netscout G) Cloud computing - AWS H) IT service mgmt. | IT vendor mgmt. | IT service delivery mgmt. | Project mgmt. Continuously pushing to leverage technology, and identify better methods to enhance customer experience, and deliver on time with highest quality.
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    IT Service Management
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    AWS Cloud9
    Project Delivery
    Project Plans
    Data Center Operations
    Architectural Design
    Cisco WLC
    Cisco Router
    Cisco ISE
    Wireless Network Implementation
    Security Infrastructure
    Fortinet Technologies
    Palo Alto Firewalls
  • $30 hourly
    CCSE, ITILv3 , Fortinet NSE4 CCNP R&S,CCNP Security. In the last 12 years, I have been working on various network products and have gained comprehensive experience in Cisco, Fortinet, Sonicwall, Checkpoint, HP, F5, Radware technologies. I have been involved in the design, configuration, and troubleshooting of Network products. Firewalls: Cisco ASA 5500 Series Cisco ASA 5500-X Series Cisco RV Series Cisco Firepower 2100Series Cisco Firepower 4100Series Fortigate 50E Fortigate 60E Fortigate 90E Fortigate 800C Fortigate 100E Fortigate 3OOE Fortigate 800D FortiGate 1500D Checkpoint 4000 Appliance Checkpoint 5800 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series DrayTek Vigor 3200 Series DrayTek Vigor 2925 Series DrayTek Vigor 2920 Series Pfsense Juniper SRX Series Juniper SSG Series Load Balancers: F5 BIG-IP 4000s F5 BIG-IP 3900 F5 BIG-IP 2200s F5 BIG-IP 2000s F5 BIG-IP 1600 Radware LinkProof 200/208 Radware App Director Cisco ACE 4700 Application Control Engine Barracuda 440 Array 1600 & 2600 Application Delivery Controllers Routers: Cisco 800 Series Cisco 1700 series Cisco 1800 series Cisco 2600 series Cisco 2800 series Cisco 2900 series Cisco 3800 series Cisco 1000 series Cisco 7600 series Cisco ASR9K Switches: Cisco SG300 Cisco Catalyst 9000 series Cisco Catalyst 3800 series Cisco Catalyst 2900 series Cisco Catalyst 4500 series Cisco Catalyst 6500 series Cisco Catalyst 6800 series Cisco Nexus N5K & N9K HP 3500 series HP 5900 series Wireless Controller & Access Points: Cisco WLC 2500 series Cisco WLC 3800 series Cisco Aironet 3600 Series Cisco Aironet 2600 Series Cisco Aironet 1600 Series
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    Fortinet
    Web Proxy
    Network Security Management
    Ubiquiti
    Fortinet Technologies
    Load Balancing
    Cisco Meraki
    Check Point
    Cisco Router
    Firewall
    Network Security
    VPN
    Cisco ASA
    Cisco Certified Network Professional
    Network Administration
  • $75 hourly
    Current Certifications: * CCENT ( Cisco Certified Network Technician ) * CCNA (Cisco Certified Network Admin (Routing & Switching)) * CCNP (Cisco Certified Network Professional (Routing & Switching)) * CCNA-SECURITY (Cisco Certified Network Security Admin) * SECURITY+ CE (CompTIA Certified SECURITY) * CEH (Certified Ethical Hacker) I am a Sr. Network and Security Engineer (SME) with expertise in Cisco Network Engineering and Cyber Security Engineering with year of I.T. experience managing private and government enterprise networks and Cyber security Network environments for large and small businesses . I have over 18+ years total experience as a lead Sr. network engineering SME as my foundation , and 9 yrs experience in Cyber Network Security infrastructure , design, configurations, troubleshooting, Cyber threat hunting. Also upgrading enterprise networks and security infrastructures for private companies , government organizations , including large and small business Networks and information systems. These skills include SME experience in Cisco Routing and Switching, ASA Firewalls, Palo Alto, Pfsense , VPNs, F5 Load balancer, WLAN, VoIP, and Cyber Security tools and SIEMS and Network Scanning, Windows Server, and WiFi networks.
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    Cisco CallManager
    System Configuration
    VMWare
    Firewall
    VoIP
    VPN
    Email Technical Support
    Ethical Hacking
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Cisco Router
    Cisco ASA
  • $45 hourly
    A professional writer with a background in DevOps/Site Reliabiltiy Engineering and security, with a strong focus on creating engaging content which also increases clients visibilty and overall SEO. Translating complex technical jargon into appealing articles is something that I take great pride in. I worked with multiple companies over the past 4 years from cybersecurity vendors to SaaS developers to create how to guides, product pages, FAQs and blog posts. Please see some of this feedback below: SD WAN, SASE Security and Cloud content creation – “Connor has produced some excellent content for us, we intend to continue leveraging his capabilities in the future.“ - CEO/Founder Network Consultancy Services that I offer: - SEO optimised blog posts - User guides (How to, SaaS, FAQs) - Case studies and Whitepapers. - Technical documentation, mainly for API endpoints and SaaS - Proofreading and document editing SEO is something that I am very knowledgeable about. I like to identify your audience by doing keyword research and suggesting ideas that'll benefit yourself. Before I submit an article to the client I run it through an SEO article checker (Yoast and Semrush) to ensure the highest quality and optimization.
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    Cisco Certified Network Associate
    Cisco Meraki
    Network Planning
    Solution Architecture
    Juniper
    Network Security
    Network Equipment
    Network Engineering
    SNMP
    VoIP
    Cisco Router
    LAN Administration
    Network Administration
    Network Monitoring
    Network Design
  • $125 hourly
    Are you interested in remote help? - I specialize in Cisco Routing & Switching and Palo Alto Firewalls. - I have experience in other brands like Arista, Meraki, FS, Dell, Brocade. Do you have Network Infrastructure in Central Florida but no local staff to support it? - I can provide "Smart-Hands" services. - University of Central Florida, Bachelor of Science in Information Technology - Cisco Certified Network Associate (CCNA) - Cisco Certified Network Professional (CCNP) - Proficient in Cisco Switching and Routing - Proficient in Palo Alto Firewalls
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    Cisco Router
    Cisco Certified Network Professional
    Routing
    Firewall
    Palo Alto Firewalls
    Cisco IOS
    Cisco
    DHCP
    Cisco Certified Network Associate
    Network Engineering
    SSL
    Network Equipment
    Network Security
    Network Administration
    Cisco Meraki
  • $45 hourly
    I am independent network consultant with 19 years of experience in network/security business and a CCIE Security #36569 Engineer. As a rule I only give out proposals to jobs that I know how to finish. My goal is to solve issues at hand quickly, precisely and without any delays. As a system engineer and consultant I was responsible for design, implementation and operations of setups ranging from SMB networks to large worldwide-scale deployments. Some of projects I was involved in a significant capacity (lead designer, main contractor for deployment and operations, ...) in included: - SD-WAN networks buildup and operation for two global, publicly traded corporations - Network buildup, optimization and operation for SMBs and mid-range businesses - Building infrastructure for several public VPN providers - Design and implementation MPLS Core infrastructure spanning up to 100 power plants - PCI Tier4-certified payment gateway infrastructure for national toll systems
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    Zabbix
    Linux System Administration
    VPN
    Palo Alto Firewalls
    Cisco Router
    Cisco Meraki
    Cisco ASA
    Network Administration
    Network Security
    Cisco Certified Internetwork Expert
  • $30 hourly
    Hello I am a Highly skilled Network Architect, with 15 years of Experience, specializing in Designing large-scale networks, I am Certified by global leaders in networking such as Cisco CCIER&S#53002 and Juniper * I Lead several Integrational projects for LAN Re-designs including wired and wireless surveys, WIFI6 design and implementation - transformation to a full SDN network with the successful implementation of SD-LAN managed and operated by Cisco DNAC and ISE(full SD-Access deployment), integrated SD-Wan designs of Cisco Viptella and Meraki + Z-scaler Cloud security solutions * I am a professional technical writer used to delivering complex design blueprints, HLD & LLD, Network diagrams, and migration runbooks * I am a Former IP/MPLS Sr. planning engineer, specializing in designing ISP backbone networks of the CORE, Aggregation, BRAS, International GTWs, and Access connections
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    Cisco Meraki
    Juniper
    Network Engineering
    Cisco WLC
    Network Design
    Multiprotocol BGP
    Network Architecture
    Wireless Network Implementation
    DNA
    Wide Area Network
    Cisco Router
    Cisco
    Cisco Certified Design Expert
    Multiprotocol Label Switching
    Routing
  • $100 hourly
    I have 20+ Years of Experience as a Network and System Administrator/Engineer, mostly working for International companies like Merck, BMW, Daimler as a freelancer. Acquired CERTIFICATES since 2006 Cisco Systems ✔ Cisco Certified Specialist - Enterprise Core (350-401 - Implementing Cisco Enterprise Network Core Technologies)-06/2023 ✔Cisco Certified Network Associate (CCNA) ✔Cisco Certified Network Associate (CCNA) - Routing and Switching ✔Cisco Certified Network Associate (CCNA) - Security ✔Cisco Certified Network Professional (CCNP) - Routing and Switching ✔Cisco Certified Network Professional (CCNP) - Enterprise ✔Cisco Certified Specialist - Enterprise Core ✔Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation ✔Cisco Certified Specialist - Security Identity Management Implementation Check Point ✔CCSA Check Point Certified Security Administrator R81 (07/2023) Blue Coat ✔Blue Coat Certified ProxySG Professional (BCCPP) (now Symentec) ✔Blue Coat Certified ProxySG Administrator (BCCPA) Microsoft ✔Microsoft Certified Professional (MCSA) Windows Server 2003 I can offer CONSULTING SERVICES in the following fields: NETWORK ENGINEERING ✔ LAN/WLAN Designing, Configuring and Troubleshooting of Networks (Cisco, HP, Aruba, Mikrotik, Ubiquiti/Unifi) ✔ VPN (SSL/IPSEC) ✔ Site-Survey of Cabling and Wi-Fi ✔ CCTV Installations NETWORK SECURITY ✔ BlueCoat ProxySG (now Symentec Proxy SG), F5 Load balancer, ASA, Firepower, ISE, ACE, Check Point, Juniper, Pfsense, Palo Alto, Unifi) ✔ Network Monitoring System CA Spectrum , Splunk SYSTEM ADMINISTRATION SOFT SKILLS: ✔ Reliable/Honest ✔ Dilligent ✔ Professional LANGUAGES ✔German (native) ✔English (fluent) ✔Spanish (fluent)
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    Wireless Network Implementation
    Aruba
    Cisco IOS
    Network Planning
    Ubiquiti
    Network Administration
    LAN Administration
    Cisco
    Cisco Certified Network Professional
    F5, Inc.
    Load Balancing
    Network Security
    VPN
    Cisco ASA
    Firewall
  • $75 hourly
    I have experience with large corporate networks. I have designed, implemented and maintained WANs/LANs utilizing MPLS, BGP and DMVPN technologies. I have redesigned wireless infrastructures to support a BYOD policy and a deployment of iPads if in a high school setting. I have experience with high availability internet and WAN fail-over to disaster recovery sites. Along with that I also play a part as a pre/post sales network engineer. That roll includes assessing a client/customers existing network environment, finding their pain points and then designing a network that improves their experience and solves their existing problems. Additionally I have extensive experience with establishing and maintaining vendor relationships for networking hardware, project implementations, and break/fix maintenance. Those ongoing relationships include CDW, Cisco, BD Managed Services, Global Crossing/Level3 an TW Telecom. Specialties: Cisco Router/Switch, Firewall, Wireless, Meraki
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    Cisco Meraki
    Cisco Certified Network Professional
  • $50 hourly
    Jasim is an accomplished Network Engineer with 11 years of experience in designing and managing network infrastructure with the best planning to consistently achieve high availability, security and performance. He is a highly motivated and energetic professional with more than six year of experience in implementing, securing and operating enterprise IT infrastructure. Additionally, he has extensive hands-on experience with the design, implementation and operation of complex enterprise networks and advanced security solutions. Jasim has a strong grip on implementation of various networking and security technologies. He has deployed many large scale projects which involve integration of Cisco, Palo Alto, Fortinet, HP and various other networking and security solutions. His skillset includes the documentation of solution including Low level Design, high Level Design, Network Diagrams, SOW’s and more.
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    Virtual LAN
    Network Security
    Cisco Certified Network Associate
    Fortinet
    Cisco ISE
    Network Engineering
    Cisco ASA
    FortiGate Firewall
    Firewall
    Wireless Network Implementation
    Palo Alto Firewalls
    Cisco Router
    Aruba
    Microsoft Azure
    System Administration
  • $60 hourly
    """"" Full Time Freelancer & Top Rated Plus on Upwork""""" Cisco CCIE Certified Engineer , have 12 years of experience with Network Solutions and worked for Cisco Gold Partenr Companies and support MegaCustomers around the world . Able to provide professional services ( Design,Deployment & Troubleshooting ) for below Solutions Cisco Collaboration Portfolio includes ( Cisco Call Manager CUCM , Unity Connection, IM&Presence,Jabber,Expressway MRA ,SIP CUBE , H323 MGCP Voice Gateway,Cisco Contact Center Express UCCX ,Cisco Meeting Server , WebEx Meeting and WebEx Calling ) Routing & Switching Network Portfolio incudes ( Cisco ISR Router,ASR Router , Catalyst Switches , Nexus Switches , Cisco SD-WAN Viptela , DNA Cisco SD-ACCESS, ACI ,Unifi Router and Switches ) Security Portfolio includes ( Fortinet,Fortegate,Palo Alto,SonicWall,Cisco FTD ,ASA,ISE,Sophos Firewall ) Microsoft Teams Administration and integration with SBC, SIP CUBE.
    vsuc_fltilesrefresh_TrophyIcon Cisco Routers
    Cisco Certified Design Professional
    Cisco UCS
    Cisco Router
    Cisco Meraki
    Cisco CallManager
    Cisco Certified Design Expert
    Cisco Certified Network Associate
    Network Security
    Cisco ASA
    Cisco Certified Internetwork Expert
    Software-Defined Networking
    Network Design
    Cisco Certified Network Professional
    Network Administration
  • $40 hourly
    I am an experienced Top-Rated-Plus Cisco certified Network Engineer. I can help you with any Cisco/Brocade (VPN, ASA, Meraki, Route, Switch), Ubiquiti, Sonicwall,MikroTik, Cisco Umbrella, Cisco ISE and Linux problem in your network.
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    Linux System Administration
    Linux
    Cisco Certified Network Professional
    Network Engineering
    Data Center Operations
    Hardware Troubleshooting
    Cisco IOS
    Cisco Router
    Cisco Certified Network Associate
  • $95 hourly
    A result-driven Senior Network Professional with over 15 years' experience in Routing, Switching, Security and Network Design for corporate and enterprise networks.
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    Computer Network
    Virtual LAN
    Network Equipment
    Firewall
    Amazon Web Services
    Cisco Meraki
    Ubiquiti
    Network Design
    Network Engineering
    Fortinet
    VPN
    Palo Alto Firewalls
    Mikrotik RouterBOARD
    Cisco Router
    Cisco ASA
  • $55 hourly
    Cisco Certified CCNP - Enterprise, CCNP - Security, and CCNA Cyber Ops and Experienced IT, Network, Security Specialist skilled & I have more than ten years of experience with following, - Assist in planning, design, documentation, and implementation of Network, Security, and System infrastructure - Hands-on experience with configuration administration of Cisco, Meraki, HP, Dell, Ubiquiti, routers, switches, and network devices and Cisco ASA, Fortinet, SonicWall, PaloAlto, pfSense, OPNsense firewall devices - TCP/IP, Routing and Switching Protocols RIP, EIGRP, OSPF, BGP, GLBP VRRP, HSRP, VLANS, STP, VTP, ACL, Security features - IP Sec site to site and remote access VPN on Ubiquiti Unifi, Fortigate, SonicWall, PaloAlto, pfSense, OPNsense firewalls, AWS, Azure, GCP cloud services, and Strongswan, Openswan and Libreswan as well - Familiar with security platforms such as IPS, IDS, Web Security Appliance, Email Security Appliance, and Cisco ISE - Familiar with VOIP platforms such as FreePBX, Grandstrem, etc
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    DNS
    Firewall
    Grandstream
    Cisco Certified Network Professional
    Wireless Network Implementation
    Network Security
    Network Monitoring
    VPN
    PfSense
    Ubiquiti
    Fortinet
    Palo Alto Firewalls
    Cisco IOS
    Cisco Router
    Cisco ASA
  • $50 hourly
    JNCIE-SP #2975 , JNCIS-SEC, JNCIS-DevOps, CCNA R&S, LPI-1. Network Expert with more then 10 years of experience in the telecommunications industry. During my career I worked for 2 biggest ISP's in my country and one Tier1 ISP as part of Central Network Support Team(Level 3 Support). Besides of this, I also had a lot of other project, which involved network design, configuration,implementation and network automation. I have deep knowledge with Juniper Networks(JunOS), Cisco Systems(IOS, IOS-XR), Huawei Networking(VRP) and Mikrotik(RouterOS) products. During Network Engineer career, I was responsible for all kind of networking tasks, beginning from customer services or device configuration and ending with developing,extension of IP/MPLS network, traffic engineering or other technologies used in big ISP network. Also, usually I was responsible for testing and integration of new technologies in existing network without interruption of services. And the last, but not the least, I was responsible for providing and integration of network automation tools and monitoring systems. Experienced with Juniper routers and switches, MX, EX and SRX. Experienced with Cisco IOS routers and switches, 2900,6500​ and 7200 series. Experienced with Cisco IOS-XR routers, especially with ASR9k. Experienced with Huawei and Raisecom PON network devices, OLT/ONT. Experienced with Foundry/Brocade/EdgeCore/Arista switches. Experienced with Ericsson SmartEdge series router. Experienced with Mikrotik routers Experienced with NMS like U2000, Zabbix, Cacti and The Dude. Experienced with automation tools like Ansible and Python scripting. Experienced with Linux Systems - CentOS / Ubuntu Expert knowledge of xSTP, PIM, IS-IS, OSPF, BGP, MPLS, LDP/RSVP, MPLS VPNs(L2/L3/VPLS) etc...
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    Extreme Networks
    Junos OS
    Cisco Certified Internetwork Expert
    Network Analysis
    Python
    Multiprotocol BGP
    Multiprotocol Label Switching
    OSPF
    Juniper
    Network Engineering
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Cisco Router
    Cisco IOS
  • $50 hourly
    CCIE R&S Certified Network Engineer with 10 years of experience in Networking. - Enterprise data and voice networks; - Service Provider networks; Experience in IOS-XR platforms; - Wireless networks; - Network security with Cisco ASA; CCIE R&S Certified. Experience with following Cisco devices: - Cisco IOS XR: ASR9K, NCS5K - Cisco SOHO and branch office routers: Cisco 800, 1700, 1800, 1900, 2800, 3600, 3700, 3800 series - Cisco service provider routers: Cisco 7200, 7300, 7500, 7600, GSR 12000, ASR 1000, ASR 9000 platforms - Cisco Catalysts switches: 2950, 2960, 3550, 3560, 3750, 3800, 4500, 6500 - Cisco ME series switches: 3400, 6524 - Cisco PIX 515E Experienced in configuring: - Routing: IGP (EIGRP, RIP, OSPF), BGP, NAT, PAT, PBR, MPLS (MPLS-VPN, EoMPLS, VPLS) - Switching: VLANs, VTP, dot1q, q-in-q, Rapid PVST+, MSTP. - Network security: VPNs (IPSEC, IPSEC/GRE), ACLs, Layer 2 Security Features (port security, - DHCP snooping, dynamic ARP inspection, IP source guard) - High Availability: HSRP, VRRP, GLBP, Etherchannel, SSO, IP SLA. - WAN: PPP, PPPoE, PPP Multilink, HDLC. - QoS: Traffic policing and shaping, traffic prioritization. - Cisco PIX: NAT, Failover, Remote VPN, ACLs. I'm looking for new interesting projects related to implementing and designing Cisco IP Networks and IT consulting.
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    Cisco Certified Internetwork Expert
    Network Equipment
    Cisco Certified Network Associate
    Network Administration
    Virtual LAN
    Cisco WLC
    Cisco Router
    Cisco Certified Network Professional
    Network Design
    TCP/IP
    Cisco IOS
    VPN
    Cisco ASA
    Network Security
    Internet Protocol Security
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