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based on 213 client reviews
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  4. (Current) Cisco Certified Network Associate (CCNA)
  • $80 hourly

    • 5.0/5
    • (9 jobs)
    🛜 Wireless Engineer Consultant | CCIE Wireless #67142 | ECSE | Ekahau Specialist | PMP | M.Sc. | B.Sc. 🛜 Over six years of experience in designing, deploying, and maintaining wireless networks. 🛜 Worked as a Wireless Consultant Engineer for the FIFA World Cup Qatar 2022, and as a Network Consultant Engineer and Wireless Technical Support Engineer for Cisco. 🛜 I am always interested in new projects and looking forward to discussing how we can work together.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco WLC
    Cisco Certified Internetwork Expert
    Cisco Certified Network Associate
    RF Design
    Wireless LAN Controller
    Computer Network
    Information Security
    IT Support
    Cisco
    Cisco Router
    Computing & Networking
    Network Engineering
    Communications
    Microsoft Office
    Computer Science
  • $130 hourly

    • 5.0/5
    • (49 jobs)
    With over three decades of experience under my belt as a network and security engineer, I've traversed the ever-evolving landscape of LAN/WAN network design, implementation, and maintenance. My expertise is not merely a testament to time, but also backed by credentials including Cisco CCNP (route/switch), a Cisco CCDP for network design, and a PCNSE for Palo Alto Networks. In my journey through the realm of networking, I've engaged with an extensive array of gear, from the minutest components to the behemoths, including Cisco Catalyst and Cisco Nexus switches. Additionally, I've delved deep into the intricacies of Cisco ASA and Palo Alto firewalls, sculpting security rules and configuring VPNs with precision and based on their published best practices. I am always available for consulting for short-term and long-term projects. Thank you.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco Certified Network Associate
    Cisco Router
    Network Design
    Virtual LAN
    VoIP
    Wireless Communication
    Ubiquiti
    Cisco Certified Network Professional
    Palo Alto Firewalls
    Security Engineering
    Computer Network
    VMWare
    Network Engineering
    Cisco ASA
    Firewall
    VPN
  • $75 hourly

    • 4.8/5
    • (75 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    VMWare
    Cisco CallManager
    System Configuration
    VoIP
    Ethical Hacking
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Cisco Router
    Cisco ASA
    VPN
    Firewall
  • $250 hourly

    • 5.0/5
    • (155 jobs)
    𝗨𝗣𝗪𝗢𝗥𝗞 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 𝗙𝗥𝗘𝗘𝗟𝗔𝗡𝗖𝗘𝗥 ✨ 🥇 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗲𝗱: 📬 𝖣𝖾𝗅𝗂𝗏𝖾𝗋𝖺𝖻𝗂𝗅𝗂𝗍𝗒 𝖢𝗈𝗇𝗌𝗎𝗅𝗍𝗂𝗇𝗀 👨🏻‍💻 𝖨𝖳 𝖢𝗈𝗇𝗌𝗎𝗅𝗍𝗂𝗇𝗀 🔒 𝖤𝗆𝖺𝗂𝗅 𝖲𝖾𝖼𝗎𝗋𝗂𝗍𝗒 𝖤𝗇𝗀𝗂𝗇𝖾𝖾𝗋𝗂𝗇𝗀 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: 🛡️ 𝖤𝗆𝖺𝗂𝗅 𝖲𝖾𝖼𝗎𝗋𝗂𝗍𝗒 & 𝖣𝖾𝗅𝗂𝗏𝖾𝗋𝖺𝖻𝗂𝗅𝗂𝗍𝗒 𝖤𝗑𝗉𝖾𝗋𝗍 🔑 𝖣𝖬𝖠𝖱𝖢, 𝖡𝖨𝖬𝖨 & 𝖬𝖳𝖠-𝖲𝖳𝖲 𝖢𝗈𝗇𝗌𝗎𝗅𝗍𝖺𝗇𝗍 💻 𝖦𝗈𝗈𝗀𝗅𝖾 𝖶𝗈𝗋𝗄𝗌𝗉𝖺𝖼𝖾 & 𝖬𝗂𝖼𝗋𝗈𝗌𝗈𝖿𝗍 𝟥𝟨𝟧 𝖠𝖽𝗆𝗂𝗇𝗂𝗌𝗍𝗋𝖺𝗍𝗂𝗈𝗇 📈 𝖦𝗈𝗈𝗀𝗅𝖾 𝖶𝗈𝗋𝗄𝗌𝗉𝖺𝖼𝖾 (𝖠𝗉𝗉𝗌𝖲𝖼𝗋𝗂𝗉𝗍) 𝖣𝖾𝗏𝖾𝗅𝗈𝗉𝗆𝖾𝗇𝗍 & 𝖠𝗎𝗍𝗈𝗆𝖺𝗍𝗂𝗈𝗇 🧠 𝖠𝖨 𝖯𝗋𝗈𝗆𝗉𝗍 𝖤𝗇𝗀𝗂𝗇𝖾𝖾𝗋𝗂𝗇𝗀 💬 𝖲𝗅𝖺𝖼𝗄 𝖠𝖽𝗆𝗂𝗇𝗂𝗌𝗍𝗋𝖺𝗍𝗂𝗈𝗇 & 𝖠𝗎𝗍𝗈𝗆𝖺𝗍𝗂𝗈𝗇 ⚙️ 𝖶𝗈𝗋𝗄𝖿𝗅𝗈𝗐 𝖠𝗎𝗍𝗈𝗆𝖺𝗍𝗂𝗈𝗇 (𝖹𝖺𝗉𝗂𝖾𝗋, 𝖬𝖺𝗄𝖾, 𝖯𝗈𝗐𝖾𝗋 𝖠𝗎𝗍𝗈𝗆𝖺𝗍𝖾) 🤖 𝖣𝗂𝗌𝖼𝗈𝗋𝖽 𝖲𝖾𝗋𝗏𝖾𝗋 𝖨𝗇𝗍𝖾𝗀𝗋𝖺𝗍𝗂𝗈𝗇𝗌 & 𝖶𝖾𝖻𝗁𝗈𝗈𝗄𝗌 🔗 𝖡𝗅𝗈𝖼𝗄𝖼𝗁𝖺𝗂𝗇 𝖳𝖾𝖼𝗁𝗇𝗈𝗅𝗈𝗀𝗂𝖾𝗌 🌐 𝖭𝖾𝗍𝗐𝗈𝗋𝗄 𝖤𝗇𝗀𝗂𝗇𝖾𝖾𝗋𝗂𝗇𝗀 💽 𝖮𝖲 𝖬𝖺𝗇𝖺𝗀𝖾𝗆𝖾𝗇𝗍 & 𝖵𝗂𝗋𝗍𝗎𝖺𝗅𝗂𝗓𝖺𝗍𝗂𝗈𝗇 🌟 𝖤𝗑𝗉𝖾𝗋𝗂𝖾𝗇𝖼𝖾𝖽 𝖨𝖳 𝗉𝗋𝗈𝖿𝖾𝗌𝗌𝗂𝗈𝗇𝖺𝗅 𝗐𝗂𝗍𝗁 𝖺 𝗏𝖾𝗋𝗌𝖺𝗍𝗂𝗅𝖾 𝗌𝗄𝗂𝗅𝗅𝗌𝖾𝗍. 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: ✅ 𝖢𝖢𝖭𝖠 (𝖢𝗂𝗌𝖼𝗈 𝖢𝖾𝗋𝗍𝗂𝖿𝗂𝖾𝖽 𝖭𝖾𝗍𝗐𝗈𝗋𝗄 𝖠𝗌𝗌𝗈𝖼𝗂𝖺𝗍𝖾) ✅ 𝖪𝗅𝖺𝗏𝗂𝗒𝗈 𝖣𝖾𝗅𝗂𝗏𝖾𝗋𝖺𝖻𝗂𝗅𝗂𝗍𝗒 𝖲𝗉𝖾𝖼𝗂𝖺𝗅𝗂𝗌𝗍 ✅ 𝖣𝖬𝖠𝖱𝖢 𝖢𝖾𝗋𝗍𝗂𝖿𝗂𝖾𝖽 𝗍𝗁𝗋𝗈𝗎𝗀𝗁 𝖤𝖺𝗌𝗒𝖣𝖬𝖠𝖱𝖢 ✅ 𝖹𝖳𝖢𝖠 (𝖹𝖾𝗋𝗈 𝖳𝗋𝗎𝗌𝗍 𝖢𝖾𝗋𝗍𝗂𝖿𝗂𝖾𝖽 𝖠𝗋𝖼𝗁𝗂𝗍𝖾𝖼𝗍) ✅ 𝖢𝖬𝖭𝖮 (𝖢𝗂𝗌𝖼𝗈 𝖬𝖾𝗋𝖺𝗄𝗂 𝖭𝖾𝗍𝗐𝗈𝗋𝗄 𝖮𝗉𝖾𝗋𝖺𝗍𝗈𝗋) ✅ 𝖤𝖢𝖬𝖲 (𝖤𝗇𝗀𝗂𝗇𝖾𝖾𝗋𝗂𝗇𝗀 𝖢𝗂𝗌𝖼𝗈 𝖬𝖾𝗋𝖺𝗄𝗂 𝖲𝗈𝗅𝗎𝗍𝗂𝗈𝗇𝗌 𝖯𝖺𝗋𝗍 𝟤) ✅ 𝖦𝗈𝗈𝗀𝗅𝖾 𝖢𝗅𝗈𝗎𝖽 𝖦 𝖲𝗎𝗂𝗍𝖾 ✅ 𝖩𝖠𝖬𝖥 𝖢𝖾𝗋𝗍𝗂𝖿𝗂𝖾𝖽 𝖠𝗌𝗌𝗈𝖼𝗂𝖺𝗍𝖾 ✅ 𝖣𝖢𝖠𝖳 𝖨𝖨 (𝖣𝖺𝗍𝗍𝗈 𝖢𝖾𝗋𝗍𝗂𝖿𝗂𝖾𝖽 𝖠𝖽𝗏𝖺𝗇𝖼𝖾𝖽 𝖳𝖾𝖼𝗁𝗇𝗂𝖼𝗂𝖺𝗇) 🏆 𝖡𝗎𝗌𝗂𝗇𝖾𝗌𝗌 𝖲𝗍𝗋𝖺𝗍𝖾𝗀𝗒 𝖦𝖺𝗆𝖾 𝖦𝗅𝗈𝖻𝖺𝗅 𝖢𝗁𝖺𝗆𝗉𝗂𝗈𝗇 𝟤𝟢𝟤𝟥 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻: 🎓 𝖬𝖡𝖠 📘 𝖡.𝖲. 𝖠𝖼𝖼𝗈𝗎𝗇𝗍𝗂𝗇𝗀 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: ⏰ 𝖠𝗏𝖺𝗂𝗅𝖺𝖻𝗅𝖾 𝗈𝗇 𝗐𝖾𝖾𝗄𝖾𝗇𝖽𝗌 𝖺𝗇𝖽 𝗐𝖾𝖾𝗄𝖽𝖺𝗒𝗌 𝖺𝖿𝗍𝖾𝗋 𝟨 𝗉𝗆 𝖤𝖳.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Google Apps Script
    Google Sheets Automation
    Google Sheets
    Automation
    Cisco Certified Network Associate
    Cisco Meraki
    Google Cloud Platform
    Email Security
    Computer Network
    Business with 1-9 Employees
    Business with 10-99 Employees
    Business with 100-999 Employees
    Zapier
    Domain Migration
  • $100 hourly

    • 5.0/5
    • (21 jobs)
    Network Engineer with a 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. . Cloud: Azure, AWS, and GCP. · 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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $65 hourly

    • 4.9/5
    • (89 jobs)
    🟢 Available 🕗📅Full Time Freelancer📅🕗 🔝🏆Top Rated Plus on Upwork 🏆🔝 💯100%✔️ Job Success💯100%✔️ ╰┈➤ 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 Certified Network Associate (CCNA)
    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
  • $30 hourly

    • 4.5/5
    • (32 jobs)
    🏆 TOP-RATED PLUS: My 8+ years’ experience backups me as a great Wireless Engineer/ Network Engineer and Support Engineer. The experience is spread out between different businesses like banking, hospitality, pharmaceutical, insurance, public, and retail sectors. My coworkers and environment consider I'm exceptional at delivering expertise as an executive and leading all activities of multi-million projects as a project and Wireless engineer. Note that I have experience as high profile multi-national premier integrated technology solution provider for the hospitality industry called inter touch which is based in more than 40 countries. And I have extensive experience in Wireless/Wired Networking and Security focused on Configuration and troubleshooting of: 🎯 Firewall (Juniper, Fortinet, Meraki MX, Cisco ASA), 🎯 Gateway (Nomadix), 🎯 Network Switches (Cisco, HP, Ruckus, Aruba, Meraki MS), 🎯 Wireless Controller (Cisco WLC, Ruckus SZ, Aruba), 🎯 Access Points (Ruckus, Cisco, HP, Aruba, Meraki MR), 🎯 Servers (Centos 6.6, Debian 9), 🎯 Predictive Wireless Design using Ekahau Software, 🎯 System Administration, 🎯 Technical Support, 🎯 Network Support, and 🎯 Very Strong Troubleshooting skills. I have international certifications for networking, security, and wireless design like: 🎯 CMSS (Cisco Meraki Solutions Specialist) 🎯 ECSE Design- Ekahau Certified Survey Engineer 🎯 CCNA – Cisco Certified Network Associate (CCNA) 🎯 NSE-1, NSE-2, NSE-3(Network Security Associate) from Fortinet 🎯 CNSS (Certified Network Security Specialist) from ICSI
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Linux
    Microsoft Exchange Server
    Ubuntu
    Cisco Meraki
    Cisco Certified Network Associate
    Cisco Router
    Aruba
    Ubiquiti
    Wireless Network Implementation
    Wireless Security
    Cisco WLC
    Juniper
    Brocade
  • $50 hourly

    • 5.0/5
    • (21 jobs)
    Linux user since 1993 and networking fan since 1996, skilled in both areas, worked with many companies in telecom and finance areas doing everything from php web development to networking design and implementation to voip softswitch development to trading bot design and coding to bgp debugging for local and national ixp.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    MySQL
    TCP/IP
    Streaming Platform
    Asterisk
    Multiprotocol BGP
    PHP
    Sendmail
    Qmail
    Linux System Administration
    Ubiquiti
    Linux
    Network Administration
    VoIP
    MikroTik
    DNS
  • $35 hourly

    • 4.8/5
    • (71 jobs)
    Technology Professional with experience in Data Center, Infrastructure and Network management. Specializing in the administration of Windows Server and Linux operating systems; VMWare vSphere and Hyper-V virtualization systems; And extensive knowledge in Networking, Active Directory, GPO, IIS, DNS, Microsoft Exchange, among others
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Security Infrastructure
    Ubiquiti
    Network Equipment
    Network Planning
    Network Security
    Iptables
    Network Design
    Firewall
    LAMP Administration
    Cisco Certified Network Associate
    PfSense
    Wireshark
    Wireless Network Implementation
    Microsoft Exchange Server
    Windows Server
  • $66 hourly

    • 4.7/5
    • (37 jobs)
    Certified Network Administrator/ Enterprise Ubiquiti Network Expert Certified Systems Engineering Expert Certified Systems Administration, Certified IT Support Specialist/Cyber Security Consultant Certified Network Security Expert (Home / Business), VAPT Certified System Security Expert. Certified HelpDesk Support Specialist Microsoft Azure Certified, Microsoft365/Azure EntraID Network Security Certified Network Security and deployment Consultant Domotz Expert/ Synology consultant Fortigate Certified Sonicwall Expert, Unifi/Ubiquiti Expert Hands on Experience on: Microsoft Exchange Online Windows 10 Administration Server Administration Experr Windows 11 Administration Remote IT Management/ VPN management Windows Server Administration Expert Domain Migration Microsoft Outlook Network Equipment consultation Server Virtualization Microsoft Windows Powershell Microsoft Active Directory Office 365 DNS DHCP Cisco, Fortinet, Fortigate, Pfsense Expert, Unifi/Ubiquiti Expert Administrator UDM pro, USG Expert UDM vpn Expert unifi specialist., MDM solution Specialist(jamfpro, Sophos mdm,) Azure, AWS, Google Work Space, Contabo, Rackspace Unifi, Ubiquiti Expert, SonicWall Expert(VPN troubleshooting) Threat Hunting, IPS ,IDS, WEB SECURITY, QUALYS, SENTINALONE. SOPHOS Network Administration, System Administration, Office365, Intune, MDM, Windows users Administration. Domotz admin, NAS, VLan Expert Windows servers 2016-2022 Failover Clustering , Hyper-V management, RDS, Synology DSM, Virtual Hosting. QNAP , QSAN ,NAS,SAN Active Directory Expert, VPN, Switches ,Routers Zendesk trainer, EDR, XDR, Connectwise Admin, CWRMM, Sentinal one Azure Sentinal. Fortinet, Cisco, Network monitoring Expert, Veeam Backup Specialist(Cloudberry, SPX) HIPPA complaince certified, PCI DSS accessor, PCI DSS complaince Expert. Having Certs (NSE1, NSE2, NSE3) ,CCNA, CCNP(training) Crowd Strike Deployment, TrendMicro deployment. Cloud Network/ System Administrator and Network/System Security consultant NSE 1 NSE 2 ICSI CNSS certified having vast and versatile experience in Network Administration with vast working in cloud technologies, QNAPS, VIRTUAL PRIVATE SERVERS , ACTIVE DIRECTORY. SECURING THE WEBSERVERS , SECURITY OF ON PREM NETWORK. Have worked on the antivirus deployments Crowd strike TrendMicro, Webroot, managing incidents and alerts on them. also have hands on Cisco network designs firewall configurations. Server and system administration grip on Windows Server (2012 2016 2019 2022) remote task management and remote assistant to the clients as well worked with the organization and provided them with tech skills network and system administration support as well as offered soft skills, my primary skillset is Network Design Network security OWASP mitigation System Hardening System Security Network Optimization Server administration Server Migrations Network troubleshooting Firewall Configurations Backup policies / configurations Desktop support. Cloud management Failover clustering Deployment and Management (Windows Server 2019, 2016, 2022). System security Solutions and Deployment. System Hardening. I will be optimizing the networks and will be providing industry solutions to clients including deployment of Antiviruses like crowd strike as well as trend micro I will be looking forward for more technical work here to pursue as a network and security consultant and technical support freelancer. I am sure I will provide quality work to the clients as per their requirements, and for me, client satisfaction is much important than the earned amount. I have worked with the US dental offices and MSP, so I want to invest my time here to reap good results. and serve the people here with my good technical skills about home networks and office networks . Hands on experience on Cisco Switches(CCNA CCNP LEVEL) and SonicWALL's + Fortigate firewalls, QNAP , QSAN, SYNOLOGY, Buffalo NAS, During My freelancing career i have worked on multiple projects like Network Designs solution deployment across the organization and on top of it have hands on Experience of vendor Management and have know how towards the TrendMicro and Crowd Strike. Setting up IT office were the main procedures during my Job Tenures and also Veeam backup deployment across the organization. EDR, MDR AWS AZURE Specialist. Experience in QNAPS, Synology, Virtualization Expert, Hyper V. Hands on Experience for providing Remote IT Support to multiple clients. Managjng Networks servers plus Security configurations.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Ubiquiti
    Information Security
    Network Security
    Network Administration
    Backup Administration
    Intrusion Prevention System
    Backup & Migration
    Cisco Certified Network Associate
    System Security
    Network Engineering
    Microsoft Azure
    Microsoft Active Directory
    Office 365
    System Administration
  • $50 hourly

    • 5.0/5
    • (17 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $39 hourly

    • 5.0/5
    • (345 jobs)
    Hello! My name is Alex G. My primary work area is migrations, especially to Microsoft 365 and Microsoft Exchange. I did more than 50 migrations during past 6 years. I'm open to troubleshooting all kinds of Exchange, Microsoft 365 and Outlook issues. I'm looking for Exchange, Microsoft 365, Active Directory, Azure migrations and troubleshooting jobs. Remote Desktop services, Firewall, VPN and other Windows networking and basic Cisco tasks are welcome too. I worked for 7 years as a remote employee at US based company, I serve a small office here at my location and I work here at Upwork for more than 6 years already. Preferred work hours are 12 AM – 12 PM EST, but I can work in the afternoon US time in case of emergency. My day off is Friday morning - Saturday morning PST. I do my best to make my time productive. Thank you!
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Email Support
    Incident Management
    Google Apps Script
    GoDaddy
    Cisco Certified Network Associate
    Cloud Migration
    Microsoft Exchange Online
    Data Migration
    Microsoft Outlook
    VPN
    Email Deliverability
    Microsoft Active Directory
    DNS
    Microsoft Exchange Server
  • $59 hourly

    • 5.0/5
    • (82 jobs)
    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, Cisco ISE, PacketFence. * 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, NSO, Terraform, OpenShift. * Monitoring Applications: Zabbix, SolarWinds, Home Made Custom Tools, Nmap, Packet Tracer (Wireshark). * Routing & Switching and Wireless Technologies: Cisco, Mikrotik, Juniper, FS, Arista. * Security: Cisco, PaloAlto, Meraki, FortiNet, Ubiquiti, VMware MDM. * Datacenter, Cloud Computing, Cloud Native, Virtualization & HCI Solutions. * Public Cloud: Design, Setup & Administer Tenants on AWS, Azure. * Micro-segmentation & Containerized Applications: Docker, Kubernetes. * Private 5G Networks: Azure Private 5G Core. * 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 DevNet. * Cisco CCNP Enterprise. * Cisco CCNP Datacenter. * Cisco ACI Certified Specialist.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Server & Virtualization Software
    Fortinet
    MikroTik
    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
    Cisco
  • $150 hourly

    • 5.0/5
    • (102 jobs)
    Telecommunication and Systems engineer with a focus on Cloud, Networking and Linux, experience in Infrastructure management and deployment. Deployed Private Cloud infrastructure, Datacenter Network Design for Multi-tenancy, fault-tolerant design, NIC Bonding and VRRP for High Availability. Stack: *Full virtual networking with vSwitches and vRouters *VLAN, VxLAN, GRE and Overlay tunnels *IPv6 *MP-BGP, EVPN *Firewalling *VPN/OpenVPN/IPSec/WireGuard/Site to Site and Client-Server * VPP/DPDK for 100G VPN and routing *Advanced Linux management: IPTables, Kernel modules, Virtualization, Networking. *Traffic engineering *Advanced StrongSwan IPSec tunnels, XFRM *Cloudstack with Open vSwitch *OpenNebula with Open vSwitch *OpenDaylight SDN controller with OpenvSwitch *Advanced Proxy setup with Squid/Nginx *Virtuozzo and OpenVZ *KVM and Libvirtd *RADIUS and FreeRADIUS *Pacemaker/Corosync/Keepalived HA cluster *MTLS design and implementation with NGINX *IoT gateway implementation with Raspberry Pi and 4G modems *DevOps experience with Chef and Ansible *Bash and Python scripting
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Internet of Things
    Apache CloudStack
    Linux System Administration
    OpenVPN
    Computer Network
    Private Cloud
    Kernel-based Virtual Machine
    System Administration
    Firewall
    Ubuntu
    Network Security
    Linux
    Internet Protocol Security
    Network Engineering
    VPN
  • $125 hourly

    • 5.0/5
    • (20 jobs)
    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
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $75 hourly

    • 5.0/5
    • (71 jobs)
    "I'm only driven to deliver the best-quality, Hire me if you are looking for the same" My name's Moataz, and here are my qualifications/experiences. - 12+ Years working on VOIP solutions (Avaya in particular) in two countries (Egypt & Saudi Arabia) at big system integrators. - I have done a lot of projects at different segments/sectors with different sizes (SMB & Enterprise, and Megaprojects), starting from legacy systems to the latest technologies. - working on all application types of unified communications and customer experience applications. - Pre-sales experience, and consultancy Expertise: - IP Office, VmPro, Onex Portal, IPOCCS, ACR - Avaya Aura Core Components (SMGR, SM, CM, US, H.245 gateways) - Equinox TE & AAWG - Equinox OTT (MGMT, MEDIA, H.323, Equinox Edge, and Equinox Recording) - Aura Presence with Multimedia Messaging enabled (PMM) - AADS (standalone & clustered) - SBCE standalone and HA for remote worker and sip trunking. - Call Center Elite, AACC, EMC, - Experience Portal, WFO, and CMS - Avaya soft clients (Equinox Client, Equinox Attd, OneX Comm, OneX Agent, OneX attd). - Multiple Avaya portfolios such as (IPT, Hospitality Solutions, and Call Centers) - Different types of Avaya PBX and media gateways (SI, MCC, G450/G430, and G650). - Integration between Avaya and other systems (Astrix, LYNC & CISCO...). - Custom reports for CMS Designer. - Cisco CUCM, Unity. - Grandsteam - FreePBX, Neogeo Router Services: 1- Troubleshooting any raised issue. 2- Preventive/proactive maintenance with a weekly report. 3- New implementation/commissioning. 4- Operation over the clock (already have a team for continuous operation & monitoring) 5- Consultancy sessions regarding design requests, quotations, licenses, and sizing. 6- Training sessions
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    VoIP
    Solution Architecture
    Remote IT Management
    Session Initiation Protocol
    Network Administration
    Network Design
    3CX
    Cisco Certified Network Professional
    Avaya
    Amazon Web Services
    Cisco Certified Network Associate
    Cisco CallManager
    PBX
    Technical Documentation
    VoIP Administration
  • $55 hourly

    • 4.9/5
    • (134 jobs)
    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
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco IOS
    Cisco Router
    Ubiquiti
    PfSense
    Cisco Certified Network Professional
    VPN
    Wireless Network Implementation
    Firewall
    Palo Alto Firewalls
    Network Monitoring
    Network Security
    Cisco ASA
    Fortinet
    Grandstream
    DNS
  • $40 hourly

    • 5.0/5
    • (52 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Linux
    Network Engineering
    Cisco Certified Network Professional
    Cisco Router
    Linux System Administration
    Cisco IOS
    Cisco Certified Network Associate
    Hardware Troubleshooting
    Data Center Operations
  • $75 hourly

    • 4.9/5
    • (375 jobs)
    🥇UPWORK EXPERT-VETTED🥇 I am a highly experienced Network and Security Engineer/Architect with over 17 years in the industry and an Expert Vetted Freelancer on Upwork with more than 13,000 hours logged. I specialize in delivering high-quality solutions to complex networking and cloud infrastructure challenges. ✨𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: 🏆Advanced Networking Solutions: ✅Vendors: Cisco, Juniper, Mikrotik, Arista, Dell, Brocade, Palo Alto, Mellanox, Sonicwall, Fiberstore, Sophos, Zyxel/Zywall, Quagga/Vyos, Fortinet/Fortigate, PFSense/OPNSense, Untangle, Unifi/Edgerouter/Edgeswitch/USG/Controller, Motorola/Cambium/PTP/PMP/Medusa, Aruba, Netonix, Cumulus, PRTG, Hyper-V, ESXI, ZTE, Huawei, DSLAM, OLT/ONT ✅Routing Protocols: RIP, EIGRP, OSPF, BGP, MPLS VPNs ✅Switching Protocols: RSTP, MST, VTP, Private VLANs, HSRP, VRRP ✅VPN Technologies: L2TP, PPTP, S2S IPSec, GRE, OPENVPN, Wireguard ✅Networking Standards: TCP/IP IPv4, IPv6 Planning and Implementation ✅Emerging Technologies: SD-WAN, ZeroTier 🏆Proficient in Linux systems: ✅Distributions: Ubuntu, Debian, CentOS, Fedora ✅Applications: Fastnetmon, GOBGP, Cacti, Librenms, Phpipam, Netbox 🏆Cloud Infrastructure Management: ✅AWS: Client/S2S VPN, VPC, EC2, SG, S3, RT ✅Azure: S2S/C2S VPN, VM, VNET, LB, SG, RT ✅Vultr: Compute, VPC, DC, Peering, RT 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻: 🎓Master of Sciences in Computers Engineering 🎓Industry-Recognized Certifications: 🌟Cisco: CCDA, CCDP, CCNA, CCNA-Sec, CCNP-R&S, CCNP-ENT, ENARSI, ENCORE, ENSLD, SWSA 🌟Juniper: JNCIA 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: ⏰ Every day, Monday to Sunday 02:00- 16:00 EST
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Network Design
    Cisco
    Microsoft Azure
    Amazon Web Services
    Multiprotocol BGP
    Sophos Sophos UTM
    PfSense
    Mikrotik RouterBOARD
    Security Engineering
    Network Engineering
    Ubiquiti
    VPN
    Network Equipment
    Network Security
    Firewall
  • $142 hourly

    • 4.9/5
    • (56 jobs)
    🥇ON UPWORK | ✌️ DUAL CCIE | 🔝EXPERT VETTED | ⭐️ PERFORMER | 💯% SUCCESS RATE | 🤝 CUSTOMER CENTRIC | 🏢UPWORK ENTERPRISE CLIENT | 🟢 AVAILABLE NOW I'm a highly skilled and experienced network consultant, holding dual CCIE certifications (#31084) in Security and R&S. With over 16 years in the field, I bring extensive expertise and a track record of delivering exceptional results. During my tenure as a Cisco Network Architect, I successfully planned, designed, implemented, and monitored networks for over 250 clients, encompassing more than 10,000 users. My role also involved leading the Cisco TAC Firewall and VPN team, where I gained invaluable experience working with over 10,000 unique live networks. With access to a fully equipped lab, I conduct thorough testing before implementing solutions in production environments. This proactive approach ensures seamless integration and optimal performance for my clients' networks. Furthermore, I have a strong passion for staying abreast of emerging networking technologies. By continuously expanding my knowledge, I can provide my clients with the most innovative and effective solutions tailored to their specific needs. In addition to my technical expertise, I have a proven ability to train and mentor Cisco engineers. Many of my former mentees now hold leadership positions within Cisco's TAC teams, a testament to the quality of my guidance and instruction. If you have any questions or require assistance with your networking needs, please feel free to reach out. I'm committed to delivering top-notch service and helping you achieve your goals. Let's connect and explore how I can contribute to your success. Following are my area of Expertise: 1. SD-WAN / Viptela 2. Cisco ASA / Firepower 3. Cisco APIC / ACI 4. Cisco DNA Center 5. Cisco Duo 6. Cisco Firepower 7. Cisco Secure Endpoint 8. Cisco Anyconnect VPN 9. Cisco ISE 10. Cisco Umbrella & Cloudlock 11. Cloud Email/Web Security 12. Cisco Anti Malware Protection (AMP) 13. Web Security Appliance 14. Email Security Appliance 15. Cisco Stealthwatch (Secure Analytics) 16. Cisco IP Telephony / Video Conferencing 17. Nexus Switch 18. Cisco Flexpod 19. Cisco Hyperflex (HCI) 20. Cisco Intersight 21. Cisco UCS 22. Cisco Telepresence 23. Microsoft Azure 24. Amazon Web Services 25. Cyber Security 26. Managed Services Provider (MSP) 27. Network Designing 28. Network Implementation 29. Network Optimisation 30. Microsoft O365 31. Cisco Thousandeyes 32. Cisco Secure Client 33. 1000 eyes 34. RingCentral #SDWAN #Viptela #DNACenter #APIC #SDN #ISE #IdentityServicesEngine #Firepower #CiscoUmbrella #EmailSecurityAppliance #WebSecurityAppliance #CloudWebSecurity #ciscoasa #Meraki #Stealthwatch #CUCM #BE6K #BE7K #CallManager #VPN #ASA #CallManagerExpress #UCCX #UCCE #Telepresence #IPCameras #ASR1K #ASR9K #NexusSwitches #PrimeInfrastructure #IPTelephony #SoftwareDevelopment #NetworkDesigning #Monitoring #SecurityInfrastructure
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco Router
    Cisco CallManager
    Cloud Security Framework
    Cisco Certified Network Associate
    Cisco ASA
    DevOps
    Computing & Networking
    Data Center Migration
    Firewall
    Cisco ACI
    Cisco Certified Internetwork Expert
    Microsoft Azure
    Network Engineering
    Microsoft Active Directory
    Cisco Meraki
  • $165 hourly

    • 5.0/5
    • (32 jobs)
    Sr. Architect and Engineer specializing in Cybersecurity, Networks, Cloud, and IT Systems with proven international business experience and management skills. UPWORK experience: 9000+ work hours, 100% Job Success, Top Rated Plus, Expert-Vetted With 15+ years of professional experience, I provide a complete set of services from proven advanced technical solutions and methodologies to business development, team-building, and management. I have successfully delivered complex projects across heterogeneous environments such as Telco/ISP providers, SMB, and Large International Enterprises in USA, Europe & Globally. Main offered services include: • Cybersecurity Architect • Network Architect • System Architect • Cloud Architect • Digital transformation • Solution design and implementation • IT strategy development • Information Security Manager • vCTO | vCIO | vCISO • Executive Consultant Highly experienced SME in the following technology fields: Information Security & Cyber Security • Develop & enhance Cybersecurity management frameworks. • Develop, implement & monitor strategic, comprehensive enterprise information security & IT risk management programs. • Develop, and maintain cybersecurity policies, standards, baselines, guidelines, and procedures. Network/IT/System Security • Firewall, UTM, NGFW & NG-IPS protection: Fortigate, FortiManager, FortiAnalyzer, Cisco (ASA FirePower), Barracuda, pfSense, Checkpoint, PaloAlto, SonicWall, WatchGuard • Email Security: Cisco, Barracuda, Mimecast, Microsoft • Web Security: Cisco, Barracuda, Fortinet, McAfee, Zscaler • Proxy and Reverse Proxy: Squid, Nginx, Dante • IPSec VPN & SDWAN: Cisco DMVPN, HPE ADVPN, Fortigate ADVPN • SSL VPN: Fortigate, Cisco, PaloAlto, Barracuda, SonicWall, OpenVPN, pfSense, Swan, OpenConnect • Network Access Control (802.1X, Radius, Tacacs+…), BYOD and MDM : Aruba ClearPass, Cisco ISE, PacketFence, NPS, Genians, Intune... • IAM SSO SAML2 Oauth: OKTA, Keycloack, Auth0 • DLP & CASB Bitglass, Forcepoint • EDR McAfee, Sophos, SentinelOne... • SIEM and SOC solutions - Wazuh, Fortinet, Splunk... IT Cloud/Systems/Virtualization/Backup/DR • Hybrid Cloud, Multi Cloud Architecture • Cloud Infrastructure Security, Networking, Storage, VPC (AWS, Azure, OVH, OpenStack...) • Virtualization planning, implementation, tuning (VMware, Proxmox, KVM, Hyper-V) • Hyperconverged HCI solutions ESXi & vSAN, Proxmox & CEPH • Linux Systems deployment, administration and development (Debian Ubuntu OpenSuSE CentOS RedHat) including performance optimization, hardening, scripting, HA, backup & restore • Windows Server architecture & administration (Hyper-V AD GPO DNS DHCP PKI File Server ...) • SAN (FC/FCoE), ISCSi, NAS(File) • VDI and Virtual App (Microsoft, VMware, Citrix) • Load Balancer/Application Delivery: HAproxy, Nginx, Barracuda, F5 • ElasticSearch & OpenSearch design & implementation • Critical HA Database clusters: PostgreSQL & MySQL • HA, Backup & Disaster Recovery planning & deployment (Veeam, VMware, Proxmox, Linux, AWS, Azure, Windows...etc) Network technologies • Switches: Cisco, HPE, Comware, Aruba OS, Arista, Alcatel, Juniper, Dell • Routers: Cisco, HPE, Comware, Alcatel, Juniper, Mikrotik • WiFi Mobility: Aruba OS & Central, Cisco, Meraki, Ubiquity, Mikrotik • MPLS L2/L3 VPN, MP-BGP, VPLS, SDWAN • BGP, OSPF, IS-IS, EIGRP routing protocols • FRR, VyOS, Bird • VLAN, QinQ, VXLAN, EVPN L2 scalable overlay networks • ACL, PBR, NAT, QoS, NAS; large-scale DHCP/DNS • IGMP L2 and PIM L3 multicast • Secure WiFi planning: controller managed & cloud-managed • NMS, EMS, FCPAS and OSS/BSS systems - LibreNMS, Zabbix, Nagios, Cacti Some of the most notable certifications I hold are: • CISSP - ISC2 • HPE Master Accredited Solution Expert - Network Solutions • HPE Accredited Solutions Expert - Network Architect • SUSE Cert. Linux Admin.: SLES In addition to technical skills, I deliver proven business operations experience for: • Business development planning and acquiring the correct technology • Project Management • Team building and management • RFP preparation Proposal preparation (technical/commercial) • Pre-sales & Sales Management • Business development, planning, and acquiring the correct technology • Project Management • Team building and management • RFP preparation Proposal preparation (technical/commercial) • Pre-sales & Sales Management • Business partnership establishment and management with leading companies such as HPE, Aruba, Fortinet, Cisco, IBM, Dell, Microsoft… and many more I am an avid learner, enabling me to swiftly adapt to new business environments and new project needs. Excellent communication and interpersonal skills combined with my long experience in team-leading & management enable me to collaborate strongly and work in global project teams with multiple members (in both leading or supporting roles).
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Certified Information Systems Security Professional
    Firewall
    High Availability and Disaster Recovery
    NIST Cybersecurity Framework
    Network Design
    Network Architecture
    Solution Architecture
    Cloud Architecture
    Cloud Security
    Business Development
    System Administration
    Cybersecurity Management
    Information Security
    VPN
    Network Security
  • $85 hourly

    • 5.0/5
    • (130 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Network Design
    VoIP Administration
    Cisco CallManager
    Cisco Router
    Network Planning
    Wireless Network Implementation
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Technical Writing
    Technical Documentation
  • $35 hourly

    • 5.0/5
    • (29 jobs)
    Service 1: Helpdesk IT Support Tier 2 As a highly experienced IT professional with over 10 years of expertise in Helpdesk IT Support Tier 2, I am dedicated to providing exceptional technical support to businesses of all sizes. My service encompasses a wide range of activities aimed at ensuring the efficient functioning of your IT environment. Here's what you can expect from my Helpdesk IT Support Tier 2 service: Advanced Troubleshooting: I have a deep understanding of IT systems, networks, and software applications. When issues arise, I can quickly identify the root cause and provide effective solutions, minimizing downtime. User Assistance: I offer prompt and friendly assistance to end-users, helping them with technical issues, software installations, account setups, and general IT-related inquiries. Ticket Management: I am well-versed in ticketing systems and can efficiently manage and prioritize support requests, ensuring that critical issues receive immediate attention. Remote Support: With the ability to provide remote support, I can resolve issues efficiently without the need for on-site visits, reducing costs and minimizing disruptions. Documentation: I maintain comprehensive documentation of support activities, including solutions to common problems, to facilitate knowledge sharing and future reference. Escalation Handling: In cases that require Tier 3 support or specialized attention, I am proficient in escalating issues to the appropriate teams or experts. Software and Application Support: I am experienced in supporting a wide array of software and applications, including Microsoft Office Suite, Adobe products, email clients, and more. Service 2: Server Administration Tier 3 With over a decade of hands-on experience in Server Administration Tier 3, I offer specialized expertise in managing and optimizing server environments. My service is tailored to meet the specific needs of your organization's server infrastructure. Here's what you can expect from my Server Administration Tier 3 service: Microsoft Azure Cloud Services: I am well-versed in Microsoft Azure, including the provisioning, configuration, and management of virtual machines, storage, and other Azure services. I can help you leverage the cloud for scalability, cost-efficiency, and flexibility. Server Deployment and Maintenance: I have a proven track record in setting up, configuring, and maintaining Windows and Linux servers, ensuring they operate at peak performance. Security and Compliance: I implement robust security measures to protect your servers and data, including regular updates, firewall configuration, access controls, and compliance with industry standards. Backup and Disaster Recovery: I design and implement reliable backup and disaster recovery solutions to safeguard your critical data and minimize downtime in case of unforeseen events. Performance Optimization: I continuously monitor server performance and fine-tune configurations to ensure optimal resource utilization and response times. Firewall Expertise: I have extensive experience working with various firewall technologies, including FortiGate, Fortinet, Sophos, WatchGuard, and SonicWALL. This expertise allows me to secure your network infrastructure effectively. Patch Management: I handle patch management, applying updates and security patches to servers in a timely manner to mitigate vulnerabilities. 24/7 Monitoring: I offer round-the-clock monitoring to detect and address server issues proactively, reducing the risk of service interruptions. Documentation and Reporting: I maintain detailed documentation of server configurations, changes, and performance metrics. Regular reporting keeps you informed about the health and status of your server infrastructure. Scalability Planning: I work with you to plan for future growth, ensuring your server infrastructure can scale seamlessly to accommodate your organization's evolving needs. My commitment to excellence, in-depth technical knowledge, and extensive experience makes me the ideal partner for all your Helpdesk IT Support Tier 2 and Server Administration Tier 3 requirements. I look forward to collaborating with you to optimize your IT environment and drive your business's success. I’m ready willing to help as much as possible in your organization/Business tech issues. Looking forward to reply your queries.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    HIPAA
    Computer Network
    GDPR
    VMware vSphere
    IT Compliance Audit
    Microsoft Hyper-V Server
    MikroTik RouterOS
    VMware ESX Server
    Server Virtualization
    Penetration Testing
    VMware Administration
    Network Design
    Network Security
    Business with 1000+ Employees
    End User Technical Support
  • $50 hourly

    • 4.7/5
    • (17 jobs)
    By profession I am an Information Security Consultant and my core skills include designing and implementing network security solutions. I can help in various network security and monitoring solutions like Sophos, Cyberoam, RSA SecurID, Kaspersky and Barracuda. My certifications include but are not limited to Sophos Certified Engineer, Sophos Certified Architect and a Sophos Certified Trainer. I have more than 5 years of hands-on experience working with Sophos solutions particularly with XG firewall and Sophos Central. I have done numerous fresh and ad-hoc projects on various networks and I am well aware of industry best practices related to network security.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Web Application Firewall
    Sophos Sophos UTM
    Firewall
    Network Security
  • $150 hourly

    • 4.9/5
    • (70 jobs)
    🏆🥇✨Proven track record of delivering top-notch IT solutions ✨🥇🏆 - I specialize in networking, cybersecurity and virtualization including Citrix, VMware, and Microsoft technologies. My expertise spans Unifi, Meraki and Cisco in networking, SonicWall, Palo Alto and FortiNet in security as well as VMware, XenServer and Hyper-V virtualization. I've consistently achieved high client satisfaction through my dedication to excellence and attention to detail. **Key Skills:** 👉 Virtual Machine Management: Proficient in template automation, Citrix MCS, PVS, and Citrix AppLayering for efficient virtual machine deployment and management. 👉 User Experience Optimization: Skilled in enhancing user experience with Citrix WEM, Citrix UPM, Profile Unity, and AppSense solutions. 👉 Wireless Deployments: Experienced in deploying wireless solutions from Meraki, Ubiquiti, and Cisco for seamless connectivity. 👉 Network Security: Expertise in implementing and managing network security firewalls from Meraki, Ubiquiti, SonicWall, Cisco, and Palo Alto to ensure robust protection. 👉 Storage Area Network (SAN) Deployment: Knowledgeable in SAN deployment utilizing Pure Storage and Dell/EMC solutions for reliable data storage. 👉 Exchange Connectivity: Proficient in troubleshooting Exchange connectivity issues and optimizing mail flow for uninterrupted communication. 👉 Windows Patch Management: Skilled in deploying Windows patches using WSUS and Ivanti Patch for enhanced system security and performance. 👉 Microsoft Distributed File Services (DFSr) Deployments: Experienced in deploying DFSr solutions for efficient file replication and management. **Why Choose Me:** ✅ Proven Track Record: With a long history of successful client engagements, I have built a reputation for delivering exceptional IT solutions. ✅ Client Satisfaction: My focus on client satisfaction drives me to go above and beyond to meet project requirements and exceed expectations. ✅ Technical Expertise: I stay updated with the latest advancements in Citrix, VMware, and Microsoft technologies to provide cutting-edge solutions. ✅ Attention to Detail: I pay meticulous attention to detail in every project, ensuring accuracy and efficiency in implementation. ✅ Collaborative Approach: I believe in transparent communication and collaboration, working closely with clients to understand their needs and deliver tailored solutions. **Let's Connect:** 🥇 Ready to elevate your IT infrastructure? Reach out to discuss how I can help you achieve your goals efficiently and effectively.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Email Deliverability
    Hosting Setup
    Ubiquiti
    Duo Security
    Storage Area Network
    Server Virtualization
    VMWare
    Cisco Meraki
    Citrix
    Citrix ADC
    Microsoft Active Directory
    Network Administration
    Web Hosting
    Network Security
    Firewall
  • $50 hourly

    • 4.8/5
    • (8 jobs)
    Cisco Collaboration Unified Solution Expert. I have more than 8 years of experience in VOIP Solutions with a certification of collaboration from Cisco I have worked in a lot of enterprise companies such as ( Orange Business -Egypt Air - Telecom Egypt … ) I could help in Cisco IPT & Contact Center (configuration, implementation, and Troubleshooting ) For Cisco IPT( IP Telephony):- ============== ✅CME ( Cisco Call Manger Express ) ✅ CUCM ( Cisco Unified Call Manager ) ✅CUC ( Cisco unity connection ) ✅CUBE & Cisco Voice gateway ✅ Cisco IM& Presences ✅UCCX ( Cisco Contact Center Express ) ✅Expressway C & E ✅ WebEx Calling ✅ And any other Cisco collaboration Product For Cisco Contact Center Enterprise:- ============================== ✅Cisco Ingress Gateway ✅Cisco CVP ✅Cisco PG (Agent PG & VRU PG) ✅Cisco ICM (Router & Logger) ✅Cisco AW, HD, DDS (Administration & Data Server) ✅Cisco Finesse ✅Cisco CUIC ✅Cisco VVB ✅Cisco Call Studio For Avaya Aura:- ------------------- ✅ Avaya Aura CM ✅ Avaya Aura Elite Contact Center ✅ G430 ✅G450 For Open Source :- ---------------------- ✅Issable free PBX - Elastix ✅Aheeva Contact Center ✅ Asterisk
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    PBX
    VoIP
    VoIP Administration
    IVR Software
    Cisco UCS
    Cisco Unity Connection
    Cisco CallManager
    Microsoft Teams
    VoIP PBX
    Avaya
    Cisco Certified Internetwork Expert
    VoIP Software
    Session Initiation Protocol
    Cisco IOS
    Cisco Router
  • $120 hourly

    • 5.0/5
    • (86 jobs)
    • 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
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco Certified Network Associate
    Cisco Certified Network Professional
    Session Initiation Protocol
    Cisco UCS
    VoIP Administration
    Cisco IOS
    Cisco Router
    Cisco CallManager
    VoIP
    Network Administration
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