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Rating is 4.9 out of 5.
4.9/5
based on 214 client reviews
  • $80 hourly
    • 5.0/5
    • (12 jobs)
    Passionate IT professional offering more than 15 years of experience in design, deployment and troubleshooting of medium to large scale fast converging optimized and scalable multi-site enterprise data center and campus network infrastructure, including 7+ years of leading successfully performing teams. Proven experience in transforming enterprise network infrastructure into a highly available, secure, and reliable environment. Adept at multitasking to achieve individual and team goals. Strong problem-solving skills, fast learner & excellent communication skills. The buck stops here.
    Featured Skill Cisco
    Wireless Network Implementation
    Wireless Communication
    Wireshark
    Cisco Certified Network Professional
    WiFi
    Palo Alto Firewalls
    Cisco IOS
    Cisco Firepower Threat Defense
    Juniper
    Cisco ASA
    Network Administration
    Cisco Meraki
    Network Security
    Fortinet
    VPN
    Ubiquiti
  • $98 hourly
    • 4.7/5
    • (84 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.
    Featured Skill Cisco
    VMWare
    Cisco CallManager
    System Configuration
    VoIP
    Ethical Hacking
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Cisco Router
    Cisco ASA
    VPN
    Firewall
  • $125 hourly
    • 5.0/5
    • (8 jobs)
    *Upwork Expert-Vetted Talent = top 1% on Upwork* *A Cisco CCIE-certified expert in Enterprise Infrastructure* I bring expert-level knowledge and hands-on experience in Networking and Security. My proficiency spans across a diverse range of technologies, including Cisco, Palo Alto, AWS, and Azure. With a deep understanding of complex network environments, I excel at designing, implementing, and securing robust infrastructure solutions that meet the unique needs of businesses.
    Featured Skill Cisco
    Cisco CallManager
    Cisco Meraki
    Cisco IOS
    Cisco Firepower Threat Defense
    Palo Alto Firewalls
    Cisco ISE
    Cisco Router
    Cisco Certified Internetwork Expert
    Cisco ASA
  • $30 hourly
    • 4.9/5
    • (30 jobs)
    I have over fifteen years of experience as an IT specialist. I'm a Microsoft Certified IT Professional. I have also worked on Cisco/Juniper routers and switches. I am CCNA/CCNP, CCNA (wireless), Aruba Wireless (ACMA), JNCIA (Juniper), and ITIL certified. Technical Skills: Building a website using WordPress. Network Automation using Python and Ansible Support Virtual servers and Workstations Strong knowledge of Windows OS, MAC OS, Android, and iOS. Solid experience in Backup systems, Networking, virtual machines, and firewall setups. O365 and Google Workspace administrator Computer software and hardware troubleshooting. Deployment of VPN tunnels and site-to-site connectivity Configuring routers and switches for internet and office connectivity Configuring firewalls to secure home/office network Writing scripts to automate network administrator tasks Creating presentations and technical documentation Customer Service: I have diverse experience, working in renowned IT companies such as HP and Accenture. I have worked as level 2 and level 3 IT support, receiving calls from customers and providing assistance via phone, email, and chat. Teaching Skills: I have conducted several training internally within my team related to Cisco, Aruba, Juniper, and Network Automation with Python. I can teach (1 on 1) CCNA, CCNP, JUNOS, Aruba Wireless, and Network Automation with Python/Ansible/Nornir/Napalm
    Featured Skill Cisco
    Cisco Certified Network Associate
    Juniper
    Ansible
    Aruba
    Cisco IOS
    Network Engineering
    JNCIA-Junos
    ITIL
    Cisco Router
    IPv6
    Virtual LAN
    Python
    VPN
  • $15 hourly
    • 4.9/5
    • (4 jobs)
    Allow me to introduce myself. I am currently serving as a Consultant with a remarkable track record spanning over 24 years in the IT/ICT/OT industry. What sets me apart is the distinction of being the first Guyanese IT Author to pen two U.S.-based IT certification books, a feat I take great pride in. Moreover, I've ventured into uncharted territory as the first Guyanese to develop international IT training video courses, collaborating with renowned companies such as INE (www.ine. com) and Cybrary (cybrary. it), among others. Beyond these accomplishments, I hold the unique distinction of being the sole Cisco Certified Internetwork Expert (CCIE#61204) residing in Guyana, South America. My professional journey has encompassed diverse domains, including IT/ICT/OT consulting, Cybersecurity, and the intricate realm of Wireless technologies. My expertise extends to designing, planning, implementing, and meticulously documenting various IT/ICT/OT environments. As a preeminent figure in the IT/ICT/OT industry, I pride myself on maintaining a competitive edge. This is not only a result of my ongoing professional development but also due to the exceptional skills I have honed over the years. These capabilities have proven instrumental in fostering meaningful relationships with clients both locally and on the international stage. A defining aspect of my professional ethos is a commitment to methodical, detail-oriented work, all while remaining acutely sensitive to the demands of the production environment. I invite you to connect with me at your earliest convenience. Let's engage in a conversation that could potentially lead to fruitful collaboration. You can reach me via mobile at +5926962064 or through email at pinshanally@ gmail.com
    Featured Skill Cisco
    Cisco ASA
    Network Security
    Cisco Meraki
    Cisco Certified Internetwork Expert
    Network Engineering
    Internet Protocol Security
    Linux System Administration
    Network Administration
    Telecommunications Engineering
    Microsoft Server
    Computer Maintenance
    Network Design
    Computer Network
    TCP/IP
  • $50 hourly
    • 5.0/5
    • (72 jobs)
    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.
    Featured Skill Cisco
    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
  • $55 hourly
    • 4.9/5
    • (137 jobs)
    Bachelor of Engineering (BEng) in Computer Networking and Cloud Security, 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
    Featured Skill Cisco
    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
  • $30 hourly
    • 4.9/5
    • (37 jobs)
    I am a seasoned Telecom Engineer with over 16 years of experience in Networks, with core expertise in Routing, Switching, Security, and System Administration. My experience is bolstered by a range of industry-leading certifications, including ENCOR, CCNA, CCNP (Route & Switch), along with training in CCIE, MCSE, NSE4, and ITILV4. Firewall Expertise: Fortigate: 1500D, 1200D, 900D, 600C, 600D, 501E, 200D, 101E, 60D, 80F, 50B. Cisco ASA: 5505, 5506, 5508, 5510, 5512, 5520, 5540. Cisco Firepower: 1010. SonicWall & Zyxel: ZyWall USG 20 & 50. Router Expertise: Cisco Routers: 1800, 1900, 2900, 3800, 7200, 1100. Switch Expertise: Cisco Switches: 6506E, 4506E, 3850, 3750, 3560, 3650, 2960, 2950, SG-300, 9300. H3C Switches: 5130, 5560X. WiFi Controllers: Cisco: 2504, 3504. H3C: WX-3820. Network Administration & Security: Network Security: Configuring firewall rules, IPS, DMZ, VIP, web control, and application control to protect network integrity. PANDA Gateway Defender: Managing and monitoring for optimal security performance. WiFi Network Management: Administering standalone WiFi networks, including Ruckus, Cisco, Linksys, TP-Link, D-Link, Unifi, and Aruba. Monitoring Tools: Utilizing Op Manager, SolarWinds NMS, and Cacti (MRTG) for effective monitoring of routers and switches, including LAG port management. Routing & Switching Protocols: Routing: Expertise in RIP, OSPF, EIGRP, BGP for dynamic routing and redundancy. Switching: Implementation of VLANs, Inter-VLAN Routing, VTP, STP, PVSTP for network segmentation and redundancy. Redundancy Protocols: HSRP, VRRP, GLBP for high availability. Security: Access-Lists, AAA, 802.1X Port Security to enforce network security policies. System Administration Expertise: Domain Controllers: Installation, configuration, and maintenance of Domain Controllers and Additional Domain Controllers to ensure network security and user management. Email Servers: Managing Microsoft Exchange Server and Lotus Notes to provide reliable email services, including configuration, troubleshooting, and performance tuning. Antivirus & Endpoint Security: Administering Symantec Antivirus Endpoint Server to protect network endpoints from threats, including regular updates, scans, and incident response. Collaboration Tools: Configuring and managing Microsoft Outlook and related tools for seamless communication across the organization. Backup & Disaster Recovery: Implementing and managing backup solutions and disaster recovery plans to ensure data integrity and availability in case of emergencies. Server Security: Hardening servers, applying patches, and configuring security settings to minimize vulnerabilities and maintain compliance with industry standards. Performance Monitoring: Continuous monitoring and optimization of server performance to ensure efficient operation and to preemptively address potential issues. With extensive experience in both network and system administration, I am well-equipped to manage complex IT environments, ensuring that all components work together seamlessly to support your business needs. Let’s connect to explore how I can contribute to your success.
    Featured Skill Cisco
    FortiGate Firewall
    Network Administration
    Cisco WLC
    Fortinet
    Security Analysis
    Cisco Meraki
    Cisco Certified Network Professional
    Cisco Router
    Ubiquiti
    Palo Alto Firewalls
    Network Security
    VPN
    Internet Protocol Security
    Cisco ASA
    Intrusion Detection System
  • $40 hourly
    • 4.9/5
    • (33 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.
    Featured Skill Cisco
    Security Engineering
    Network Engineering
    Cisco Router
    Mikrotik RouterBOARD
    Network Planning
    Network Security
    Cisco Meraki
    Cisco Certified Entry Networking Technician
    Network Monitoring
    Cisco IOS
    Cisco ASA
    Cisco Certified Network Associate
  • $45 hourly
    • 4.7/5
    • (307 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
    Featured Skill Cisco
    Linux System Administration
    Cisco Certified Internetwork Expert
    Palo Alto Firewalls
    Cisco Router
    Network Administration
    Network Security
    Cisco Meraki
    Zabbix
    VPN
    Cisco ASA
  • $50 hourly
    • 5.0/5
    • (37 jobs)
    I am a CCIE Security/NSE4/AWS, Azure and OCI Foundation certified network professional and I have worked for 6 plus years in Cisco TAC security team. I have an over all 10 plus years of experience. I have worked on multivendor products like firewalls like Palo Alto, Cisco, Fortigate, Sonicwall etc, load balancers (F5 LTM, AFM), SDN solutions, Cisco Switches like catalyst, nexus etc. I have good exposure of configuring cisco switches (Nexus and Catalyst) and routers. I have expert level knowledge of Cisco firewalls (ASA/FTD), fortigate, pfsense and palo alto. I have very strong troubleshooting skills and I have done several migrations of firewalls and other technologies. I have migrated several multi vendor firewalls to Cisco Firewalls and vice versa. Also, have worked on a mass migration project like migrated more than 70 cisco ASAs to Cisco FTDs. I am managing more than 15 Palo Alto firewalls and 30 Fortigate firewalls. I have sounds concepts and working knowledge of AWS advanced networking and Azure networking. I have configured several VPN connections between cloud and multivendor firewalls.
    Featured Skill Cisco
    VMware NSX
    Network Administration
    Python Script
    Cisco Certified Internetwork Expert
    Palo Alto Firewalls
    VPN
    F5, Inc.
    Amazon Web Services
    Cisco Certified Network Professional
    Network Security
    Microsoft Azure
    Virtualization
    Cisco ASA
    Fortinet
    Computer Network
  • $60 hourly
    • 5.0/5
    • (19 jobs)
    Technical Consultant with intensive technical experience on Cisco security, Enterprise and collaboration solutions. Design, implement and troubleshoot following Technologies: * Cisco Next Generation Firewall (NGFW). * Cisco Identity Services Engine (ISE). * Cisco Digital Network Architecture (Cisco DNA) * Cisco Coftware Defined Access (SDA) * Unified Contact Center Enterprise [UCCE], Package Contact Center Enterprise [PCCE], Customer Voice Portal [CVP], Unified Contact Center Express [UCCX] and Social Miner. * VOIP components including switches , VGs, UCS servers (B, C, M Series), IP phones and soft clients (Jabber, CUPC, CUCIMOC and CUCILYNC) . * Cisco Call Managers “8.x, 9.x, 10.x, 11.x and 12.x”, CUCME, CUCMBE, CUBEs, SME, Cisco Unity Connection for voice mail, Cisco Unified Presence (CUPS), Cisco Emergency Responder (CER), Cisco Unity Express (CUE) , Attendant console solutions (Cisco CUEAC), Cisco Expressway and Cisco Prime Collaboration . * Different IPCC Enterprise solution (IPCCE/UCCE) components including Ingress VGs, VXML VGs, CUCM, ICM servers (Router, logger, PG, CTI, CTIOS, CAD, HDS, Webview, CUIC), CVP, IP IVR and Cisco Unified SIP Proxy (CUSP). * Designing IPT voice solutions. * Voice recording solutions. *VOIP protocols (SIP, H323, MGCP, Skinny) and fax over IP. * Securing Voice Communication. Possess CCIE Enterprise Infrastrucuture, CCIE collaboration, PMP, CCNP Security certified and recognized by The National Security Agency (NSA) and the Committee on National Security Systems (CNSS) for securing critical networks (CNSS 4013 Recognition)
    Featured Skill Cisco
    Cisco Router
    Cisco CallManager
    Computer Network
    Telecommunications Engineering
    Cisco Certified Internetwork Expert
    Cisco IOS
    Project Management Professional
    Firewall
    Network Design
    VoIP
  • $40 hourly
    • 4.8/5
    • (16 jobs)
    I have expertise in routers, switches and firewall equipment. Most of the brands are Cisco, Juniper, Adtran, TP-Link, D-Link, Netgear, Microtik... ·OpenVPN settings (Windows integration, no repetitive fees or any fees) ·Windows VPN (PPTP, L2TP, IPSEC) is supported on desktop, tablet, and mobile devices ·Network switch configuration and troubleshooting or existing network connection ·Router configuration ·Firewall settings and policy configuration · cyber security · Solve any network problems. I am very skilled in data entry and Excel works. I am also very qualified in data extracting and telecommunicating. If you hire me, you will get many services at one time investment.
    Featured Skill Cisco
    Troubleshooting
    VoIP Administration
    System Configuration
    Firewall
    Mikrotik RouterBOARD
    Cisco IOS
    Computer Network
    Server
    Technical Support
    Windows Administration
    Network Monitoring
    Network Administration
    Network Equipment
    Virtualization
    Linux
  • $30 hourly
    • 4.9/5
    • (25 jobs)
    I'm IT Infrastructure Engineer with 10+ years of experience. Let's together improve IT in your company. I can help you expertly in: - IT Technical support - Maintenance servers and storage systems - Design, implementation and maintenance of data centers - Cloud systems - Virtuelization (VMware, Hyper V) - Networks - Hosting, domains, email, WHM - Design websites and e commerce on Wordpress CMS. - CCTV and IP video surveillance systems
    Featured Skill Cisco
    System Administration
    VMWare
    Storage Area Network
    Network Administration
    Server
    Windows Server
    VMware ESX Server
    Veeam
    VMware Administration
    Google Workspace Administration
    Data Center Design
    Domain Migration
    cPanel
    WordPress
  • $50 hourly
    • 5.0/5
    • (13 jobs)
    I am a Cisco certified Network Expert with CCNA, CCNP and CCIE certification having 10+ year of rich experience of Designing, implementing and providing network solutions. • Well versed in Routing protocols like BGP, MPLS, OSPF, EIGRP & RIP and Layer-2 technology like Frame-relay. • Good knowledge of Switching technology including STP, RSTP, PVSTP, MSTP • Good Knowledge of Redundancy protocol like HSRP, GLBP, VRRP etc. • Good knowledge of Firewall like ASA and PIX and Palo Alto • Good knowledge of VPN ( site-to-site and remote VPN ) and ipsec over GRE • Designing network connectivity and ip addressing scheme for different topologies.
    Featured Skill Cisco
    Routing
    Firewall
    Multiprotocol Label Switching
    Router
    Multiprotocol BGP
    Cisco Certified Network Associate
    Cisco Certified Internetwork Expert
    Palo Alto Firewalls
    Cisco Certified Network Professional
    Cisco Meraki
    Cisco WLC
    VPN
    Network Design
    Network Administration
    Network Engineering
  • $99 hourly
    • 4.9/5
    • (176 jobs)
    Hello , My name is Ahmed Alzaeem . Cisco ISP Network Engineer ,Tier1 ISP NOC engineer , More than 10 years experience. Asterisk Pbx Developer VPN Expert , WIFI Networks Operator , Squid cache Proxy expert . Developer for Many residential Proxy service Providers . Consultant with significant design and implementation complex networks. Windows servers administrator , Linux systems administrator , Mikrotik routers boards and Security consultant.Most experienced with VPN/Proxies over IPV4 & IPV6 protocols . Internet optimisation and QOS expert. Always meets client demands and develops good long-term customer relationships. my skills are below : Cisco ASA firewalls IPS/IDS Cisco IOS VPN/Socks5 IPV6 Protocol Squid Cache proxy DVR & CCTV systems Tunnelling & Traffic encryption SNMP Monitoring & Netflow Technical Support OpenDns Filtering VOIP Asterisk , Freepbx & Elastix Wifi Planning Raspberry Pi Pfsense firewalls Quality of service Linux iptables Linux Bash scripting PHP/Mysql Windows server administration Mikrotik
    Featured Skill Cisco
    Debian
    Security Operation Center
    Python
    OpenVPN
    Wireless Network Implementation
    Squid
    Cisco IOS
    Bash Programming
    Asterisk
    Network Security
    CentOS
    IPv6
    Internet Protocol Security
    VPN
    Cisco ASA
  • $60 hourly
    • 4.9/5
    • (113 jobs)
    Hello! I’m Radion, an experienced network engineer with over a decade of expertise in designing, implementing, and managing complex network infrastructures. My focus has been on creating secure, scalable, and reliable solutions tailored to diverse client needs. Network Design & Implementation I specialize in building scalable network infrastructures, with extensive experience in core protocols: Routing Protocols: Proficient in BGP and OSPF, focusing on efficient routing, reliability, and failover support. Experience with static routing, EIGRP, and RIP in specialized environments. Switching & VLANs: Expertise in configuring VLANs and switching protocols, including Spanning Tree Protocol (STP), Rapid Spanning Tree (RSTP), and Virtual Router Redundancy Protocol (VRRP), enhancing network stability, performance, and security. Network Security Security is an integral part of my approach, with extensive skills in protecting data and network integrity: Firewall Configuration: Skilled in deploying firewalls on MikroTik, Cisco, Fortigate, and PFsense to prevent unauthorized access and safeguard networks. VPNs: Proficient in secure VPN solutions, including PPTP, L2TP, IPsec, and OpenVPN, to enable encrypted remote access. IDS/IPS Systems: Experience with intrusion detection and prevention systems, helping identify and block threats before they impact performance. Systems Administration In addition to network engineering, I manage operating system environments to ensure smooth network performance: OS Administration: Proficient in Windows Server and Linux (Ubuntu, CentOS), managing and optimizing server uptime. Automation: Skilled in scripting and automation to streamline network tasks, reduce error, and enhance response times. Protocol Expertise My hands-on experience covers a broad range of essential protocols that are key to network functionality: IPoE, DHCP, DNS, and TCP/IP: Extensive knowledge of core internet protocols. PPPoE and QoS: Experience with PPPoE and Quality of Service (QoS) protocols for prioritized traffic management and efficient customer support. Multicast (IGMP): Proficient in configuring and managing multicast (IGMP) for optimized multimedia streaming, ideal for IPTV and similar services. Certifications To stay on the cutting edge of technology and maintain high standards, I hold multiple certifications: MikroTik: Certified in MTCNA, MTCRE, MTCEWE, and MTCTC, specializing in routing, wireless, and network troubleshooting. Ubiquiti: UNS and UEWA certifications in advanced wireless deployments. RIPE: Certified for BGP database integration, enabling efficient multi-AS management. Why Choose Me? I take pride in understanding and exceeding client needs with tailored solutions. My work on Upwork and with direct clients demonstrates a successful track record, especially in BGP and complex network design projects. I am committed to continuous improvement, always adapting to new industry practices. My past projects span from supporting small businesses to large enterprises, adapting solutions to meet unique requirements. Feel free to contact me to discuss how I can support your network needs. I look forward to the opportunity to work together!
    Featured Skill Cisco
    Multiprotocol BGP
    Ingress Filtering
    Mikrotik RouterBOARD
    OSPF
    MikroTik RouterOS
    Fiber Optics
    PfSense
    Firewall
    Fortinet
    MikroTik
    Zabbix
    Ubiquiti
    VPN
    Network Design
  • $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.
    Featured Skill Cisco
    Linux
    Network Engineering
    Cisco Certified Network Professional
    Cisco Router
    Linux System Administration
    Cisco IOS
    Cisco Certified Network Associate
    Hardware Troubleshooting
    Data Center Operations
  • $100 hourly
    • 4.0/5
    • (2 jobs)
    Over the years I’ve been exposed to several different categories of networking equipment ranging from routers, firewalls, and wireless technologies. I was fortunate to begin my career working on a plethora of different technologies that included Palo Alto, Fortigate, Cisco, and Juniper firewalls. From there I continued to advance my career through different contract opportunities, which included exposure to Cisco's portfolio of network security products. My path eventually led me to a new role in the security space where I am now primarily focusing on the newest Cisco solutions in network security and SDWAN while also supporting other vendors as well. Skills: - Cisco AMP - Cisco Threatgrid - Fortigate Firewalls - Cisco Anyconnect - Cisco ASA - Cisco ISE - Cisco Firepower (FTD, FMC) - Cisco Viptela - Umbrella - Routing/Switching - Aruba RAP/VMC - Site to Site VPN
    Featured Skill Cisco
    VPN
    Firewall
    Cisco Certified Network Professional
    Cisco ISE
    Cisco Firepower Threat Defense
    Cisco ASA
    Network Engineering
    Network Security
  • $70 hourly
    • 4.9/5
    • (102 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.
    Featured Skill Cisco
    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
    • 5.0/5
    • (27 jobs)
    As a Senior Network Engineer with over 10 years of experience, I specialize in planning, designing, and implementing passive optical and copper networking solutions for diverse clients. My expertise spans various technologies and vendors, including Mikrotik, Ubiquiti, Cisco, Ribbon Communications and Grandstream. I possess in-depth knowledge of TCP/IP, VPN, DHCP, routing protocols, NAT, VLAN, and other essential network concepts. Additionally, I hold multiple certifications, including Mikrotik Certified Routing Engineer (MTCRE), Mikrotik Certified Network Associate (MTCNA), Ribbon Communication Metro & DWDM certifications, Grandstream Certified Specialist - UC Solution, and Certified System Installer for structural cabling. Throughout my career, I've successfully delivered high-quality network solutions tailored to meet clients' specific needs and expectations. I excel in troubleshooting network issues and implementing efficient solutions to ensure optimal network performance. I'm dedicated to fostering strong client relationships and prioritize clear communication and understanding to deliver exceptional results. Let's collaborate to achieve your network infrastructure goals effectively and efficiently.
    Featured Skill Cisco
    Network Planning
    Computer Network
    MikroTik RouterOS
    Mikrotik RouterBOARD
    Network Administration
    MikroTik
    Virtual LAN
    Network Equipment
    Network Design
    Network Engineering
    VPN
    Ubiquiti
  • $130 hourly
    • 4.2/5
    • (64 jobs)
    I am a Network Engineer/Consultant with more than ten years of experience. My primary focus is Cisco Technologies. I am certified in Security, Wireless, Collaboration(Voice), Design, Data center.. I help businesses design, build and manage networks saving them time and money. I just get things done with lots of common sense, usability, and best practices. Cisco/Meraki firewalls (ASA/Firepower), Routers, Switches, Wireless... Cloud technologies AWS and Azure CCNA R&S, CCNA Security, CCNA Wireless, CCNA Collaboration, CCNP R&S
    Featured Skill Cisco
    Network Planning
    Business with 100-999 Employees
    Network Engineering
    Wireshark
    Network Design
    Cisco Certified Network Associate
    Cisco Meraki
    Network Monitoring
    Wireless Network Implementation
    Network Analysis
    Cisco Certified Network Professional
    Network Administration
    Cisco ASA
    Network Security
  • $100 hourly
    • 5.0/5
    • (5 jobs)
    I am a Cisco Voice engineer with decades of experience. From the global telco to the desktop, I have been there from the start. Projects or day-to-day admin I have done it all, from the smallest three-man office to global enterprises, I can take care of it for you.
    Featured Skill Cisco
    Network Administration
    Cisco UCS
    Cisco Meraki
    Cisco CallManager
    VPN
    VoIP
    Network Equipment
    VoIP Administration
    Network Engineering
    VoIP Software
    Cisco IOS
    Cisco Router
  • $75 hourly
    • 4.9/5
    • (31 jobs)
    I have been in the IT field for 12+ years. I have engineered, implemented and managed phones systems for most of the 10 years. I have dealt with most phone systems in my 10 year career. I also have a background in Networking. I am proficient in setting up LAN networks and basic routing. I also have dealt with a CLEC switch for part of my career. Vendors I worked with directly: Metaswitch Digium Adtran Edgewater Networks dba Ribbon Every major carrier in my area(ATT, Windstream, Frontier, Century Link) Fonality dba Netfortis Polycom Yealink Snom Interactive Intelligence dba Genesys GSuite Google Workspace Fusion PBX/FreePBX/FreeSwitch AWS Azure Cisco Networking Equipment Watchguard Sonicwall 3cx Hubspot SIP trunking with multiple VOIP providers
    Featured Skill Cisco
    Network Engineering
    Phone Communication
    Web Hosting
    VoIP
    FreePBX
    3CX
    Squarespace
    Telecommunications Engineering
    VoIP Administration
    Cisco IOS
    Asterisk
    Session Initiation Protocol
    Cisco Router
    Linux
  • $75 hourly
    • 4.9/5
    • (24 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
    Featured Skill Cisco
    Cisco Certified Network Professional
    Cisco Meraki
  • $30 hourly
    • 5.0/5
    • (31 jobs)
    I have 8+ years experience of installing, configuring and managing IT/Network Infrastructure. Specially, Cisco based network solutions are the most powerful side of me. I can help on routing&switching, network security (L2&L3 security solutions - dot1x authentication, vpns), cisco voip technologies. The most well-known products that I have practice: Microsoft Teams, Cisco ASA, Cisco ISE, Cisco ACS, Cisco ASA Firepower, Cisco CUCM, UCCX, CUC, Cisco IM&Presence, Cisco Expressway E&C, Cisco Enterprise level routers and switches.
    Featured Skill Cisco
    Cisco Certified Network Associate
    Customer Service
    Microsoft Active Directory
    Network Administration
    System Administration
    Technical Support
    Microsoft Teams
    Cisco Router
    Microsoft Azure
    Cisco CallManager
    VoIP Administration
    Cisco IOS
    Network Security
    Cisco ASA
    VPN
  • $100 hourly
    • 4.9/5
    • (10 jobs)
    I have 20+ Years of Experience as a Network and System Administrator/Engineer, mostly working for International companies like Autobahn GmbH (current), Merck, BMW, Daimler as a freelancer. Currently Administrating The FMC / FTD Firepower Firewall of Autobahn GmbH 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)
    Featured Skill Cisco
    Wireless Network Implementation
    Aruba
    Cisco IOS
    Network Planning
    Ubiquiti
    Network Administration
    LAN Administration
    Cisco Certified Network Professional
    F5, Inc.
    Load Balancing
    Network Security
    VPN
    Cisco ASA
    Firewall
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