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Clients rate Cisco Certified Network Associate (CCNA)
Rating is 4.9 out of 5.
4.9/5
based on 213 client reviews
  2. Development & IT Talent
  3. Network Administrators
  4. (Current) Cisco Certified Network Associate (CCNA)
  • $60 hourly

    • 5.0/5
    • (5 jobs)
    Wireless Engineer | CCIE Wireless #67142 Passionate and experienced Wireless Consultant Engineer with over five years in designing, deploying, and maintaining wireless networks for customers. 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.
    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
    • (46 jobs)
    I'm a network and security engineer with over 30 years of experience in LAN/WAN network design, implementation, and maintenance. I hold a Cisco CCNP in route and switch, a CCDP for network design, and a PCNSE for Palo Alto Networks. In terms of gear, I've worked with just about everything out there. For Cisco, I worked with everything from the smallest to the largest of Cisco routers, Cisco Nexus switches, and Catalyst switches, including data center Cisco Nexus 7k and 9k switches. I've also worked extensively with the ASA and Palo Alto firewalls, writing and editing security rules, configuring remote access and site-to-site VPNs, etc. Extensive layer 2 (MST, PVST, RPVST, etc) and layer 3 routing (static, RIPv2, OSPF, EIGRP, and BGP). On top of the network engineering and network security specializations, I also have extensive knowledge of VMWare, VoIP systems (FreePBX, 3CX, CUCM, etc), SIP communication, and even 3D printing. I pride myself on my dependability and ability to work well with others. I'm well versed in remote work and look forward to working with 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
    • (70 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)
    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
  • $125 hourly

    • 5.0/5
    • (14 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
  • $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
  • $40 hourly

    • 5.0/5
    • (306 jobs)
    Hello! My name is Alex G. My primary work area is Microsoft Exchange. I like to troubleshoot all kinds of Exchange, Office 365 and Outlook issues. Especially looking for Exchange, Office 365 migration jobs, including Hybrid setups and tenant to tenant migrations. Active Directory, Anti-Virus, Remote Desktop services, other Windows networking and basic Cisco tasks are welcome too. I worked for 7 years as remote employee at US based company, serve a small office here at my location and work here at UpWork for more than 5 years. 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)
    GoDaddy
    IT Incident Troubleshooting
    Cisco Certified Network Associate
    Microsoft Exchange Online
    Cloud Migration
    Data Migration
    Google Apps
    Email Deliverability
    VPN
    Email Technical Support
    DNS
    Microsoft Outlook
    Microsoft Office 365
    Active Directory
    Microsoft Exchange Server
  • $45 hourly

    • 4.7/5
    • (15 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $55 hourly

    • 4.9/5
    • (125 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)
    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
  • $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 System Administration
    Linux
    Cisco Certified Network Professional
    Network Engineering
    Data Center Operations
    Hardware Troubleshooting
    Cisco IOS
    Cisco Router
    Cisco Certified Network Associate
  • $60 hourly

    • 5.0/5
    • (65 jobs)
    """"" 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 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
  • $32 hourly

    • 5.0/5
    • (9 jobs)
    I have strong project management and troubleshooting skills, having worked in IT for 20 years and specifically as a network engineer for 15 years (CCNA, CCNP & CCIP certified). That meant working with stakeholders at every level of the OSI model and understanding their requirements from the network. So, for instance, I would work with an application owner and check what type of technical requirements the application needed from the network (throughput, connections, IP addresses, QOS, security/encryption) and then design the network to deliver this. I often had to work individually on complex projects, building networks from scratch. That meant, organizing all stakeholders, making design, budgeting, purchasing and planning implementation as well as carrying out the operation. I was responsible for flagging potential bottlenecks before they arose, communicating with staff in multiple languages in different geographical locations and ensure timely delivery of projects. I have studied other subjects than technology that interest me, ran my own business and travelled widely. I have a deep interest in communication and languages (I speak 2 as native, 1 fluent, 2 intermediate and 2 basic). and am looking forward to a new challenge now that lets me work remotely so I can be close to my family without uprooting them.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco Certified Network Associate
    Cisco Certified Network Professional
    Cisco
    English to Danish Translation
    English
    Castilian Spanish
    Danish to English Translation
    German
    Danish
    Customer Service
    Project Management
    Network Monitoring
    Network Engineering
    IT Incident Troubleshooting
    Network Administration
  • $75 hourly

    • 4.8/5
    • (19 jobs)
    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
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco Meraki
    Cisco Certified Network Professional
  • $50 hourly

    • 4.9/5
    • (133 jobs)
    Over 25 years of progressive experience in Network Protocols, Communication Network and Firewalls. Comprehensive network technology knowledge in designing, implementation, administration and support. In-depth knowledge of deploying IP protocols and troubleshooting. Experienced in layer 2 switching and 3 routing, security and wireless. Extensive experience in Planning, Implementation, Configuring, Testing and Troubleshooting of networking system. Competent in handling escalating problems. 7+ years as a Cisco Networking Academy Manager and Instructor. In-depth knowledge of major server OSes. Exceptional analytical abilities. Confident, polite and patient.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    PfSense
    Proxmox VE
    Wireless Network Implementation
    VPN
    Wireless Security
    Ubuntu
    Cisco Certified Design Associate
    OpenVPN
    Server Virtualization
    Linux System Administration
    Cisco IOS
    Network Design
    Cisco Certified Network Associate
    Network Security
  • $100 hourly

    • 5.0/5
    • (19 jobs)
    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.
    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
  • $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

    • 4.8/5
    • (14 jobs)
    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...
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $30 hourly

    • 4.9/5
    • (30 jobs)
    I am an experienced and certified Network & Security Engineer. I can solve all CCNA (Routing and Switching) problems that face during practice on Cisco Packet Tracer or GNS3. I am also a certified trainer at a Cisco Academy. Experienced Technical Support Engineer skilled in OS X, Internet Protocol Suite (TCP/IP), Microsoft Excel, Network Troubleshooting, and Customer Service. Strong information technology professional graduated from Polytechnic University of Tirana. Certificated on CICSO IT , CCNET, CCNA, CCNASecurity, MTCNA, MTCRE mikrotik, Juniper JNCIA, JNCDA, Fortigate, Huawei.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Fortinet Technologies
    Security Engineering
    Cisco Certified Network Associate
    Network Engineering
    Network Security
    Network Monitoring
    Network Planning
    Cisco Meraki
    Cisco Certified Entry Networking Technician
    Cisco Certified Network Associate
    Cisco ASA
    Mikrotik RouterBOARD
    Cisco Router
    Cisco IOS
  • $59 hourly

    • 5.0/5
    • (47 jobs)
    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.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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

    • 5.0/5
    • (9 jobs)
    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
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $15 hourly

    • 5.0/5
    • (14 jobs)
    As a network engineer, my objective is to design, implement, and maintain efficient and reliable network systems that meet the needs of an organization. I strive to stay current with industry advancements and technologies to provide effective solutions to complex network challenges. I am committed to ensuring high availability, security, and performance of network infrastructure and devices. My goal is to effectively communicate with team members and stakeholders to understand their network requirements and provide innovative solutions that meet their needs. I am also dedicated to continuous learning and professional development to enhance my skills and knowledge in the field. Ultimately, my objective is to contribute to the success of the organization by delivering high-quality network services and support.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Cisco ASA
    Network Engineering
    Network Planning
    Computer Network
    Enhanced Interior Gateway Routing Protocol
    Multiprotocol BGP
    Network Architecture
    Network Administration
    Network Design
    Routing
    Cisco Certified Network Professional
    OSPF
    Cisco Certified Network Associate
    Cisco
    Firewall
  • $25 hourly

    • 5.0/5
    • (12 jobs)
    Expert in Network & Security technology. Cisco switch, Cisco router, Cisco ASA fire5585, 55xx, Cisco WLC, Check Point Firewall, F5 LoadbLncer Cisco network concept & troubleshooting. • Configuring and installing Cisco routers 76xx, 36xx, 26xx, 28xx, 18xx, 17xx and Switches 29xx, 37xx, 45xx, 65xx, 45xx, 49xx and Firewall ASA 5525, and 5508,5555,5585,PaloAlto Firewall • Configuring open-source Access controllers for AAA services. • Configuring routers for establishing connectivity with ISP in area gateways. • Configuration and management of Routers and Switches (L2 & L3) • Installation, configuration & management of CISCO ASA Firewall in failover mode. • Applying various security policies and implementation & configuration of VPN Tunnels between firewall for different sites to connect. • Configuring and Implementing Gateway Redundancy, Gateway Load Balancing and Interface tracking using HSRP, VRRP and IP SLASLA, cisco packet tracer.
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Network Design
    Network Administration
    Security Testing
    Computer Network
    F5, Inc.
    Palo Alto Firewalls
    Web Application Firewall
    Cisco Certified Network Associate
    Cisco WLC
    Cisco Router
    Cisco ISE
    Cisco IOS
    Cisco Certified Network Professional
    Cisco ASA
  • $100 hourly

    • 5.0/5
    • (85 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 *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
  • $85 hourly

    • 5.0/5
    • (128 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)
    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
  • $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
    Network Security
    Firewall
    Sophos Sophos UTM
  • $45 hourly

    • 4.7/5
    • (300 jobs)
    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
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Zabbix
    Linux System Administration
    VPN
    Palo Alto Firewalls
    Cisco Router
    Cisco Meraki
    Cisco ASA
    Network Administration
    Network Security
    Cisco Certified Internetwork Expert
  • $78 hourly

    • 4.9/5
    • (299 jobs)
    *****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 ...
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    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
  • $79 hourly

    • 4.3/5
    • (316 jobs)
    Hello, Everyone. Diligent Information Technology Specialist with thorough hands-on experience in conceptualising, overseeing, and executing revenue-generating projects of different complexity and intensity. Determined to bring high standards, transparency in client engagement and full commitment to each assignment and I am excited to collaborate with the brightest minds in the industry. More than 2500 of hours @Upwork Over 10 years proven track record of success in cross-continental project management Skills: * Systems administration: Linux (RedHat, Debian, Ubuntu), FreeBSD, Windows * Network administration: VLAN, VPN, Wireless networks, Network equipment management (HP, Cisco, Huawei, Juniper), Deep understanding of network architecture * Wireless: Aruba (WLC, Clearpass) , Fortinet, Aerohive, Cisco (WLC) and Meraki * Routing technologies: BGP, OSPF, EIGRP, IS-IS, RIP, Static routing * High availability: active-passive clusters (HSRP, VRRP, JRRP), load-balancing techniques * Security: firewalling (ASA, FWSM, Fortigate, Juniper including SSG, SonicWall,pfSense), antivirus techniques, antispam techniques, PKI, IDS/IPS, RADIUS (Windows / FreeRadius based) * Voice and Videoconference: Polycom, Skype, Cisco (VCS, CCM, CUCM, Unity, IMP), Nortel, Asterix type (TrixBox, Elastix, etc.) * Network Management Systems: CIsco Prime, Cacti, PRTG, Zabbix, NAGIOS
    vsuc_fltilesrefresh_TrophyIcon Cisco Certified Network Associate (CCNA)
    Security Assessment & Testing
    Microsoft Office
    Cisco
    AWS Systems Manager
    Database Administration
    Firewall
    Azure
    Cloud Architecture
    VoIP
    Network Administration
    Network Penetration Testing
    Fortinet
    Network Security
    Network Design
    Cisco Certified Network Professional
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