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Rating is 4.9 out of 5.
4.9/5
based on 243 client reviews
  2. Development & IT Talent
  3. Network Security Engineers
  4. (Current) Cisco ASA Specialists
  • $150 hourly

    • 4.9/5
    • (120 jobs)
    I am a Los Angeles, CA based network engineer/architect with over 17 years of Cisco routers, switches, wireless, and firewall experience. I can troubleshoot any network issues on WAN/LAN/WLAN. I have a flexible full time job as a network architect that allows me to freelance on the side. I help clients design and build efficient networks that is best suited for the client and their business. I have an active CCNP R&S and CCNP Enterprise certification. I have experience with the following: -Cisco firewalls, routers, switches, wifi -Palo Alto firewalls -SonicWall firewalls -Meraki firewalls, switches, wifi -Ubiquiti/UniFi firewalls, switches, wifi -AWS -Azure
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco IOS
    Cisco ISE
    Cisco Router
    Cisco Certified Network Professional
    Cisco PIX
    Cisco Certified Network Associate
    Palo Alto Firewalls
    Cisco Meraki
  • $133 hourly

    • 4.8/5
    • (49 jobs)
    ***🥇on Upwork |🔝Top Rated Plus | ⭐️ Performer | 💯% Success Rate | *** I'm a highly skilled and experienced network consultant, holding dual CCIE certifications (#31084) in Security and R&S. With over 15 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 100 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 9,000 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 #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 ASA
    Cisco Router
    Cisco CallManager
    Cloud Security Framework
    Cisco Certified Network Associate
    DevOps
    Computing & Networking
    Data Center Migration
    Firewall
    Cisco ACI
    Cisco Certified Internetwork Expert
    Microsoft Azure
    Network Engineering
    Microsoft Active Directory
    Cisco Meraki
  • $95 hourly

    • 5.0/5
    • (31 jobs)
    A result-driven Senior Network Professional with over 15 years' experience in Routing, Switching, Security and Network Design for corporate and enterprise networks.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Computer Network
    Virtual LAN
    Network Equipment
    Firewall
    Amazon Web Services
    Cisco Meraki
    Ubiquiti
    Network Design
    Network Engineering
    Fortinet
    VPN
    Palo Alto Firewalls
    Mikrotik RouterBOARD
    Cisco Router
  • $45 hourly

    • 4.7/5
    • (299 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 ASA
    Zabbix
    Linux System Administration
    VPN
    Palo Alto Firewalls
    Cisco Router
    Cisco Meraki
    Network Administration
    Network Security
    Cisco Certified Internetwork Expert
  • $45 hourly

    • 5.0/5
    • (21 jobs)
    🏆 Fortune 500 🏆 CCNA 🏆 CCNP Enterprise 🏆 PCNSE 🏆 CCSA 🏆 NSE1/2 🏆 ISO 27001 LA 🏆 ISO 27032 LCSM 🏆 InfoSec 🏆 10 Years of IT Experience Welcome to my profile! I am an accomplished network and network security engineer with a decade of industry experience and a successful background in remote work. I specialize in creating, implementing, and maintaining robust and secure network infrastructures for clients across the globe. Here are some notable qualifications I hold: 🔹 CCNP Enterprise: As a Cisco Certified Network Professional (CCNP) in Enterprise, I possess advanced knowledge and expertise in enterprise networking solutions. My deep understanding of routing, switching, and network design principles enables me to architect and optimize networks for optimal performance. 🔹 PCNSE: With a Palo Alto Networks Certified Network Security Engineer (PCNSE) certification, I possess advanced knowledge of network security technologies and best practices. I am well-versed in designing and implementing comprehensive security measures to protect networks from evolving threats. 🔹 NSE: Holding a Fortinet Network Security Expert (NSE) certification, I demonstrate proficiency in Fortinet's security solutions. I am equipped to implement and manage robust security architectures that safeguard networks from various cyber threats. 🔹 CCSA: Additionally, as a Certified Check Point Security Administrator (CCSA), I possess in-depth knowledge of Check Point's security solutions and technologies. I leverage this expertise to design and manage secure network environments using Check Point's advanced features. With these certifications and my extensive experience, I offer a comprehensive skill set that covers various aspects of networking and security. Here's a glimpse of my expertise: ✅ Routing and Switching: I excel in BGP, EIGRP, OSPF, PBR, HSRP, VRRP, VPC, route-map/filtering, and ACI. I design and implement efficient routing protocols and seamless switching solutions. ✅ Network Security: My specialization lies in firewall configurations (ACLs, NAT, L-7 filtering, content-based firewalling), IPS/NGFW/NGTX technologies, and secure VPN deployments (GRE, Site-to-Site IPSEC, remote VPN). ✅ Wireless Networking: I am proficient in deploying and managing WiFi solutions from leading vendors such as Aruba, Meraki, UniFi, Netgear, Mikrotik, and Cambium, ensuring reliable and high-performance wireless networks. ✅ Server Infrastructure: I possess strong knowledge of Red Hat Linux, CentOS, VMware, Zimbra, Zabbix, and SolarWinds. I efficiently manage server infrastructures and utilize monitoring tools to ensure optimal performance. With my extensive experience and expertise in network engineering, security, and remote work, I am well-prepared to deliver exceptional results. If you are seeking a dedicated professional to enhance your network infrastructure and security, regardless of geographical constraints, please don't hesitate to contact me. I look forward to discussing how I can contribute to your organization's success.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco Certified Network Professional
    Cisco Meraki
    Cisco Router
    Check Point
    Network Administration
    VPN
    Cisco
    Firewall
    Palo Alto Firewalls
    Fortinet
    Network Security
    Cisco Certified Network Associate
    VMWare
  • $25 hourly

    • 4.7/5
    • (124 jobs)
    BE in Electronics and Telecommunication with 17 years of experience in Contact Center, IP Telephony, security, LAN / WAN installation and administration. VoIP: Cisco (CUCM, CUC, IM&P, UCCX, UCCE, CUBE, Voice Gateways), Avaya (IP Office 500v2, ACCS), Asterisk, FreePBX, 3CX, Skype for Business Video: Cisco Telepresence MX200/300/SX20, Telepresence Server, Telepresence Conductor Server, Avaya Scopia XT, Polycom Data Center: Vmware vSphere 6.x, Cisco UCS, Microsoft Hyper V, Citrix Xenserver, Oracle Virtual Box Cloud: Amazon Web Services, Google Cloud platform Storage: NetApp, Western Digital Network: - Cisco Routers (3900/2900,4331)) & Switches (6509, 3850, 2960), HP, Zylex, Microtik Routing Protocol: OSPF, EIRGP, BGP, RIP. Security: Cisco ISE, Cisco ASA 5500, Cisco FWSM, Palo Alto, Check Point, Cyberoam / Sophos, Fortinet, Dell Sonicwall, PFsense Wireless: Cisco 25XX/55XX, Ubiquiti, Mojo (AirTight) Network Tools: Wireshark, Solarwinds, Netflow, PRTG, Cacti Operating System: Windows 2008/2012/2016, CentOS, Ubuntu
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco WLC
    Cisco UCS
    Juniper
    Sophos Sophos UTM
    Fortinet
    Asterisk
    VPN
    VoIP Administration
    Microsoft Active Directory
    Cisco Router
    Cisco CallManager
  • $90 hourly

    • 4.9/5
    • (64 jobs)
    Cisco consultant with 10 years of experience. Former Lead at TAC. CCIE - R&S/Security Routing and Switching. Firewall/VPN. Service provider. Cloud integrations. Data center. -Pablo
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco Certified Design Professional
    Cisco Meraki
    Cisco Certified Internetwork Expert
    Microsoft Azure
    VPN
    Firewall
    Amazon Web Services
    Juniper
    Cisco IOS
  • $75 hourly

    • 5.0/5
    • (116 jobs)
    Over the last 12 years, I have deployed and maintained several ISP networks working as a network engineer, senior network engineer, network security administrator and senior network administrator in different companies. I have done a lot of network consulting works for companies in the US, Europe, Africa and helped to successfully start three ISP companies from scratch. I'm holding an industrial CCNP R&S, Fortinet NSE4, CompTIA Linux+, Okta Certified Professional and other certificates I'm seeking opportunities to audit, build, reconfigure or maintain network or server infrastructure of any company. I have experience in the following areas: Routing and Switching, Network Security, VoIP, VPN, Firewalls. I'm familiar with different leading vendors equipment such as Cisco, SonicWALL, Fortinet, Sophos, Arista, Meraki, Mikrotik, Ubiquiti, Cambium Networks, HP, Dell, etc. I've administered SAAS applications like Okta, Google Workspace, Office 365, Zoom, Slack, Gong, Atlassian Jira, Confluence, Jira Service Management and many others.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Open Networking Operating System
    OKTA
    Fortinet
    Network Engineering
    TCP/IP
    VMware ESX Server
    Network Security
    Network Planning
    PfSense
    MikroTik RouterOS
    Firewall
    Cisco Router
    Cisco IOS
    Cisco Certified Network Professional
  • $150 hourly

    • 5.0/5
    • (58 jobs)
    TOP RATED on UpWork. Certifications from Microsoft, Cisco, Citrix & CompTIA. Partnered with Synology, Ubiquiti & Dell. Channel authorized product reseller. SENIOR SYSTEMS / NETWORK ENGINEER • Hands-on, results-oriented IT professional with a 20-year track record of experience spanning a full range of IT/IS deployments and operations management • Well-equipped with technical certification and training in Cisco, Meraki, Citrix, Microsoft & Project Management, solid background in LAN/WAN infrastructure including telecommunications technologies and protocols, network infrastructure, security and load balancing appliances. • Organized, take-charge professional with exceptional follow-through abilities and detail-oriented, able to assess and execute deployment engagements from business needs assessment to production. SOLUTIONS • Datacenter power, cabling and rack design & implementation • Server load balancing appliances provided by Citrix NetScaler, Kemp & Barracuda • Site-to-site mesh VPN deployment using Meraki VPN Registry • Virtualization hosts from Citrix, VMware &Microsoft • Virtual machine management using template automation, Citrix MCS, PVS & Citrix AppLayering • User experience optimization with Citrix WEM, Citrix UPM, Profile Unity and AppSense • Wireless deployments from Meraki, Ubiquiti & Cisco • Network security firewalls provided by Meraki, Ubiquiti, SonicWall, Cisco & Palo Alto • Storage area network (SAN) deployment from Pure Storage & Dell/EMC • Exchange connectivity and mail flow troubleshooting • Windows patch management deployment using WSUS & Ivanti Patch • Microsoft Distributed File Services – Replication (DFSr) deployments ... and many other solutions of a long track record of satisfied client engagements!
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    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
  • $40 hourly

    • 4.9/5
    • (79 jobs)
    A highly trained technical individual who has knowledge in security, infrastructure and all layers of the OSI; is able to handle clients and provide them substantial support needed; has excellent communication skills; can lead technical team in field works.Tracked and routed problems and submitted instant resolutions at the shortest time possible. Asterisk/Freepbx/Elastix/SwitchVox VOIP Server deployment and configuration in Linux. Asterisk/Freepbx/Elastix/SwitchVox deployment and Support in VOIP Provider Setup Asterisk/Freepbx/Elastix/SwitchVox CallCenter Solutions Asterisk/Freepbx/Elastix Cloud (AWS and Digital Ocean) based installation, Configuration and troubleshooting. Asterisk/Freepbx/Elastix Cloud (AWS and Digital Ocean) based ongoing Support Asterisk/Freepbx/Elastix/SwitchVox Outbound, Inbound routes SIP Carriers routing Asterisk/Freepbx/Elastix/SwitchVox IVR, Voice Mailbox Asterisk/Freepbx/Elastix/SwitchVox SIP/PRI settings Asterisk/Freepbx/Elastix/SwitchVox Call Recording Asterisk Dynamic logins Asterisk Real Time Database Customization of Asterisk based Voicemail service Deployment of different Text to Speech and Speech to text systems Mysql and Asterisk based dynamic IVR using Text to speech engines like Festival, Cepstral and IBM Watson Real time Asterisk deployment Freeswitch/Fusion Pbx Installation and Configuration Freeswitch/Fusion Pbx Sip Profiles Freeswitch/Fusion Pbx Dial plan and Gateways settings Freeswitch/Fusion Pbx Directory users and groups Kamailio Installation, Configuration and Troubleshooting Kamailio Registrat Server Kamailio SIP Proxy Server Kamailio Realtime Configurations Wazo Installation and configuration Wazo complete deployment solutions Wazo and IBM Watson Speech to Text API successfull Implementation Wazo endpoint configuration Wazo server SIP Trunks configuration Wazo server Incoming and outgoing call routing Microsoft Teams Inbound/outbound Calls Microsoft Teams IVR etc Vicidial Customizations and integration with Asterisk servers Vicidial Carriers Settings, Campaigns and Leads deployments Vicidial Support and Troubleshooting Yeaster UC100 setup, configuration and routing. Databases: MySQL and Postgresql Programming Skills: Shell Scripting, Php, Python, JSON, XML and JavaScript a).Expert knowledge of Cisco ASA5505,ASA5510,ASA5520, SonicWall NSA 2400, NSA 2600, TZ170, TZ150, TZ300 and TZ400 Configuration and Deployment of ASA(s) at British American Tobacco Company Configuration and Deployment of ASA at International Resource Group Pakistan b).Expert knowledge of Cisco Rotuers and Layer2,Layer3 Switches Experience and good hand on Cisco Routing and Switching c).Expert knowledge of all kinds of VPN solution Implementation of Site to Site VPN between Telenor and CellTrack International DataCenter Implementation of Site to Site VPN between Warid and CellTrack International DataCenter Implementation of Remote Access VPN for British American Tobacco Company Implementation of Remote Access VPN solution for International Resource group Islamabad Installation, Configuration, Monitoring and Troubleshooting of Router(s), Switch(s), Firewall(s) and VPN(s) Specialties: VOIP Solutions Linux System Administration Shell Scripting Network Security Routing and Switching Network Design
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Communications
    Phone Support
    Iptables
    MySQL
    Ubuntu
    CentOS
    VICIDIAL
    FreePBX
    VPN
    Cisco IOS
    Cisco Router
    Linux System Administration
    Asterisk
  • $150 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 ASA
    Cisco Meraki
    Cisco Certified Network Professional
  • $50 hourly

    • 5.0/5
    • (15 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 ASA
    Virtual LAN
    Network Security
    Cisco Certified Network Associate
    Fortinet
    Cisco ISE
    Network Engineering
    FortiGate Firewall
    Firewall
    Wireless Network Implementation
    Palo Alto Firewalls
    Cisco Router
    Aruba
    Microsoft Azure
    System Administration
  • $50 hourly

    • 5.0/5
    • (19 jobs)
    Having worked in IT Operations (Network and Security Infrastructure ) for several years, I have strong experience in designing, configuring, troubleshooting, and documenting diverse IT scenarios for ISPs, enterprises, and startups. What can I bring to your project : ✅Extensive experience working with large enterprises. ✅Ability to quickly troubleshoot and fix Your Network issues. ✅Expert understanding of Network and Security Infrastructure. ✅HigValue Certification in the IT industry Cisco CCNP Enterprise And Fortinet NSE4. ✅ High-quality work. ✅Open communication throughout the project. 💻Tech Skills💻 ✔️Networking: WAN, LAN, WLAN(Cisco, Meraki), VLANs, VXLANs, IPv6, NAT, RIP, OSPF, BGP, VRF, ACLs, QoS, VPNs, DHCP, DNS, ) ✔️Security: Firewalls(Palo Alto, FortiGate, Cisco ASA/Firepower), Network Access ( Cisco ISE, tacacs+, FreeRaduis) ⭐ Routing and Switching Configuration & Troubleshooting : ✔️ Cisco ME3600, cat4500x, cat9300, cat9500 ✔️ Cisco ASR-9010, ASR 920, ISR890, ISR4000 ✔️ Cisco Nexus 3k,9k. Layer2, Layer3 ✔️ Spanning Tree Solution with MST protocol ✔️ Implement, optimize, and troubleshoot L2&L3 services. ✔️ Backbone trunks, QinQ, access, and VLAN configuration ✔️MPLS, MPLS-L3VPN, and L2VPN ⭐ Firewall : ✔️ configure and deploy firewalls( Fortinet, PaloAlto, Cisco ASA, Sophos). ✔️ configure and troubleshoot VPN Networks Site-to-Site & SSL VPN. ✔️ troubleshoot and fix firewall issues. Contact me for more info or to inquire about an upcoming project - I look forward to helping you achieve your goals!
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    WAN Optimization
    Routing
    FortiGate Firewall
    Cisco WLC
    Cisco ISE
    Palo Alto Firewalls
    Firewall
    Wireless Security
    Juniper
    Network Design
    Wireless Network Implementation
    Network Security
    Network Administration
    Computer Network
  • $60 hourly

    • 5.0/5
    • (24 jobs)
    Deploying, Installation, Upgrading: • ASA Firewall: Network Address Translation, ACLs, IP Routing, VPN (Site-to-Site, GRE over IPsec and SSL VPN), Failover (Active-Active and Active-Standby), and Transparent Firewall, Security Contexts (Logical Firewall), ASAv, WCCP, SLA monitoring, Policy-based routing etc. • IPS: Sensor Configuration, Sensor Management, Promiscuous and Inline Monitoring, Signature update and Event Monitoring. • Zone-Based Firewall, NTP, CBAC • Design and Implementation: Suggest design changes to the customer to minimise the cost and improve the efficiency. Also, suggested changes in the design to achieve critical networking scenarios. • Checkpoint: Installing and configuration, User authentication, URL/Web filtering, traffic monitoring, Security Policy, site to site VPN. • Deploy, configure and manage VMware NSX VPN Skills: Configure and troubleshoot basic Site-to-Site VPN. Assign security to the traffic as per the client requirement and device support. (Good understanding of Site-To-Site, DMVPN, GRE, GRE over IPSec, SSL VPN Handshake) If you hire me you will be hiring a former Cisco TAC Engineer with vast experience in Security and Core Network Issues. I work on Multivendor Firewalls like Palo Alto, Fortigate, Cisco FTD etc. I have performed several migrations between different firewalls. I have worked on load balancer like F5 LTM/AFM. I have sound understanding on virtualization technologies and have worked on VMware NSX-V and NSX-T.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    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
    Fortinet
    Computer Network
  • $75 hourly

    • 4.8/5
    • (69 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 ASA
    Cisco CallManager
    System Configuration
    VMWare
    Firewall
    VoIP
    VPN
    Email Technical Support
    Ethical Hacking
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Cisco Router
  • $125 hourly

    • 4.9/5
    • (21 jobs)
    Enterprise Senior Network Engineer is offering a wealth of experience in project management, network administration, network security. Experience includes Cisco Meraki, Cisco Routers, Switches, ASA(single-homed and multi-context), 2FA (Duo, Auth Anvil). I have a CCNP Routing and Switching, Cisco Meraki CMNA, CCNA Security, Security +. I also have experience with Cloud Networking in AWS, GCP, and Azure Hybrid, or complete Cloud setups. Experience also includes VPN setup, ISE, Firepower, CUCM, etc.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    VPN
    Firewall
    Palo Alto Firewalls
    Fortinet
    Cisco Router
    Cisco Prime
    Cisco CallManager
    Cisco ISE
    Cisco Meraki
    Cisco Certified Network Professional
  • $20 hourly

    • 5.0/5
    • (7 jobs)
    Hello, My name is Muhammad Waqas. I am dadicated and hardwork network security engineer who believes in honesty and good working relations. Though i am professional at this sector of job but i have certain qualities which make me good at this. I am graduate in beachlors in Computer system and information technology .My skills and education background helps me to perform accroding to my client's expectation. I am very skilled in network security and engineering administration of an enterprize network and provide you professional services on a decent rates. I am very much confident of our succession together as i am punctual and creative. I look forward to hear from you soon. Thank You. Expertise • MPLS • L2/L3 MPLS VPN • VRF • Routing Protocols(BGP,OSPF,EIGRP,RIPv2) • Fortigate 600D,100E, FortiAnalyzer 200D • PaloAlto 220 • Ubiquiti Controller and UNIFI Access Points • Cisco Routers 72xx,76xx and switches 29xx, 35xx,37xx, Huawei switches S5720 & CE6810LI,C9300stack switches • IPSec and GRE Tunnels • IPSec /SSL VPNS • Network Virtualization NSX • Network Optimization • Layer 2 QOS • Network Monitoring : STG, CACTI, Nagios Core, Solarwind, MRTG,
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Mikrotik RouterBOARD
    Network Planning
    VMWare
    Amazon EC2
    Palo Alto Firewalls
    Linux System Administration
    Ubiquiti
    PfSense
    Ubuntu
    Network Design
    Cisco Router
    Cisco Certified Network Professional
    MikroTik RouterOS
    Network Security
  • $30 hourly

    • 4.9/5
    • (284 jobs)
    CCSE, ITILv3 , Fortinet NSE4 CCNP R&S,CCNP Security. In the last 12 years, I have been working on various network products and have gained comprehensive experience in Cisco, Fortinet, Sonicwall, Checkpoint, HP, F5, Radware technologies. I have been involved in the design, configuration, and troubleshooting of Network products. Firewalls: Cisco ASA 5500 Series Cisco ASA 5500-X Series Cisco RV Series Cisco Firepower 2100Series Cisco Firepower 4100Series Fortigate 50E Fortigate 60E Fortigate 90E Fortigate 800C Fortigate 100E Fortigate 3OOE Fortigate 800D FortiGate 1500D Checkpoint 4000 Appliance Checkpoint 5800 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series DrayTek Vigor 3200 Series DrayTek Vigor 2925 Series DrayTek Vigor 2920 Series Pfsense Juniper SRX Series Juniper SSG Series Load Balancers: F5 BIG-IP 4000s F5 BIG-IP 3900 F5 BIG-IP 2200s F5 BIG-IP 2000s F5 BIG-IP 1600 Radware LinkProof 200/208 Radware App Director Cisco ACE 4700 Application Control Engine Barracuda 440 Array 1600 & 2600 Application Delivery Controllers Routers: Cisco 800 Series Cisco 1700 series Cisco 1800 series Cisco 2600 series Cisco 2800 series Cisco 2900 series Cisco 3800 series Cisco 1000 series Cisco 7600 series Cisco ASR9K Switches: Cisco SG300 Cisco Catalyst 9000 series Cisco Catalyst 3800 series Cisco Catalyst 2900 series Cisco Catalyst 4500 series Cisco Catalyst 6500 series Cisco Catalyst 6800 series Cisco Nexus N5K & N9K HP 3500 series HP 5900 series Wireless Controller & Access Points: Cisco WLC 2500 series Cisco WLC 3800 series Cisco Aironet 3600 Series Cisco Aironet 2600 Series Cisco Aironet 1600 Series
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Fortinet
    Web Proxy
    Network Security Management
    Ubiquiti
    Fortinet Technologies
    Load Balancing
    Cisco Meraki
    Check Point
    Cisco Router
    Firewall
    Network Security
    VPN
    Cisco Certified Network Professional
    Network Administration
  • $45 hourly

    • 4.6/5
    • (69 jobs)
    I am a Network & Security Specialist with 10+ years of hands-on experience in core networking and security. I have worked as a Senior Network & Security Specialist for many organizations and my in-depth core area of expertise is Enterprise Network Management, Design, Implementation, Troubleshooting of LAN & WAN , Network & Firewall Migration, Security Implementation and its enhancement. Firewall Policy: Analyzing & Optimizing . On-Premises Datacenter & AWS Cloud design and deployment. Firewall & VPN  ➤ Firewall Handled: Fortigate 80F,60E,400F,500E,2600F; FortiManager, FortiAnalyser., FortiAP, FortiSwitch Checkpoint Firewall -12000, 61000 (up to R80.40). MDS. Cisco Meraki MX; FTD - 2000, 4000; Cisco ASA-5515, 5520,5550,5506-x. PfSense; Sophos, Unifi Firewall. SonicWall TZ, NSa Series Firewall.  Fortigate Firewall Policy definition, UTM profile, HA, ADVPN & SD-WAN configuration. FortiManager. FortiAnalyzer  Checkpoint Firewall Policy & Blade configuration, HA, Managing, Troubleshooting.  CISCO Firewall Policy definition, VPN Technologies, Failover, etc  Cisco Meraki MX - Planning, deployment and Troubleshooting.  Cisco Umbrella - Configuring Virtual Appliance, SIG, SSO & Securing Roaming Users.  Perimeter 81 - Configuring Gateway, Tunnel, SWG, SSO & Securing Roaming Users.  Pfsense, OPNsense, Sophos, Unifi Firewall Planning and deployment.  Firewall VPN - IPSec site to site, Remote access VPN- SSL/L2TP/PPTP. OpenVPN deployment. Cloud Technologies  AWS: VPC, Route53 , ELB, VPN and Security deployment. VPN On-Premises, VPC Peering and Transit Gateway. Cloud Virtual Firewall planning and deployment. Cloud Firewall: Fortigate VM, FortiManager VM, FortiAnalyser VM ; Pfsense ; OpenVPN. Managing Cloud and On-Premises network. Cloudflare, Domain & DNS Management Routing  ➤ Routers Handled: Cisco Router SMB - RV340, ISR 1000,4000 series Advance Routing Protocol Design- OSPF, EIGRP, and BGP. Redistribution. NAT, Policy-based Routing, QoS, Traffic shaping. ISP load balance and performance routing. Switching  ➤ Switch Handled: Cisco Switch- CBS 350; Catalyst - 4000,6000 ; Nexus - 2000/7000/9000 Cisco Meraki MS & MR and Fortigate switches. Aruba Switch and Unifi Switches. STP, VLAN, Trunk. Link Aggregation (PAGP, LACP). First Hop Redundancy Protocol (HSRP, VRRP) Switch security & Switch Stacking. Network & Protocol Stack:  Wireshark Packet Analysis. Troubleshoot LAN/WAN/Application slowness issue. Perform RCA with report. Capturing and deep Analyzing of Network packets using Tcpdump etc. Troubleshoot Application level issues. Decipher encrypted traffic. Handle tools in Kali Linux for scanning port, analyze web traffic, VAPT. F5 Load Balancer  ➤ Devices Handled: BIG-IP LTM 1000, VIPRION 4480. Design and Deployment Strategies of Node, Pool, Virtual server and its components like SNAT, Irule and Profiles, etc ---------------------------------------------------------------------------------------------
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    SonicWall
    Cisco Meraki
    Fortinet
    Ubiquiti
    FortiGate Firewall
    Microsoft Visio
    Network Administration
    PfSense
    Network Design
    Amazon Virtual Private Cloud
    Check Point
    Network Security
    Firewall
    VPN
  • $78 hourly

    • 4.9/5
    • (290 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 ASA
    Open Networking Operating System
    Google Cloud Platform
    Fortinet
    AWS Application
    Microsoft Azure
    OpenVPN
    PfSense
    Azure
    Sophos Sophos UTM
    Brocade
    MikroTik RouterOS
    Cisco Router
    Network Design
    Ubiquiti
  • $130 hourly

    • 4.1/5
    • (59 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
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    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
    Network Security
  • $100 hourly

    • 4.9/5
    • (8 jobs)
    A bilingual IT professional specialized in network infrastructure engineering, management, and support. Outstanding ability to design, implement, and monitor network, ensuring minimum downtime and maximum uptime.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Internet Protocol Security
    Firewall
    VPN
    Microsoft Windows
    Network Design
    Cisco Router
    Cisco Meraki
    Juniper
    Network Security
    Network Engineering
    Network Administration
    Cisco IOS
  • $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.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    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
    Network Security
    Internet Protocol Security
  • $60 hourly

    • 4.9/5
    • (55 jobs)
    I'm a Senior Network Consultant with more than 14 years of Computer Networking, Servers and Virtualization experience in small, medium and large networks. I've built many ISP/WISP networks around the world (Los Angeles, Oregon, Pennsylvania, Canada, Cyprus, Somalia, Mexico etc) and gave network consultancy to other ISP, Bank, Government, Enterprises in South Africa, Denmark, Switzerland, Australia, England etc. I am Cisco Network Consultant and Official Mikrotik Consultant, certifications I hold: Cisco: CCNP R&S Cisco: CCNP Enterprise Cisco: CCNA Security Cisco: CCNA Collaboration MikroTik: MTCINE MikroTik: MTCNA MikroTik: MTCRE VMware: VTSP 2016 VMware: VMware vSphere 6 Microsoft: MCP Specialized in router&switches, wireless, security, access control, servers etc: MPLS (VRF & VPLS, TE), BGP, Network Design/Architecture for Service Provider/Enterprise, RIP, OSPF, PPPoE, VPN/tunnel (IPSec, EoIP, PPTP, SSTP, L2TP, OVPN, IPIP), Load Balancing with smooth Failover and bonding (up to 10 Uplinks) High availability, Advanced Scripting, PBR, Reachability check, Bandwidth Management, advanced QoS. Wireless Security, Bridging, STP, RSTP, WDS, Mesh CAPsMAN. IPv6. Dude system management, with OID, notifications etc. I've Master of Science degree in Computer Engineering, Polytechnic University of Tirana.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Network Planning
    Mikrotik RouterBOARD
    Albanian to English Translation
    PfSense
    MikroTik RouterOS
    Cisco Certified Network Associate
    Cisco Router
    Firewall
    Network Engineering
    Virtual LAN
    Ubiquiti
    VPN
    MikroTik
  • $76 hourly

    • 5.0/5
    • (4 jobs)
    Career Overview 12 years of experience with design, installation, management, troubleshooting, automation and maintenance of small to large enterprise networks and data centers. As an engineer I have worked in Enterprise SD-WAN Setup, routing, switching, firewalls, load Balancing, wan optimization, network access control, network monitoring and wireless verticals and would like to grow my skills, knowledge and expertise in these areas and find new endeavors and challenges
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Wireless Network Implementation
    Wireless LAN Controller
    Cisco Certified Internetwork Expert
    Cisco Certified Network Professional
    WAN Optimization
    LAN Administration
    Disaster Recovery
    Cisco
    Cisco Router
    Border Gateway Protocol
    Amazon Web Services
    Computing & Networking
    Network Engineering
  • $85 hourly

    • 4.9/5
    • (10 jobs)
    I am a German Freelancer, located in Germany and Costa Rica. I have 20+ Years of Experience as a Network and System Administrator/Engineer, mostly working for International companies like Merck, BMW, Daimler as a freelancer. Acquired CERTIFICATES since 2006 Cisco Systems ✔ Cisco Certified Specialist - Enterprise Core (350-401 - Implementing Cisco Enterprise Network Core Technologies)-06/2023 ✔Cisco Certified Network Associate (CCNA) ✔Cisco Certified Network Associate (CCNA) - Routing and Switching ✔Cisco Certified Network Associate (CCNA) - Security ✔Cisco Certified Network Professional (CCNP) - Routing and Switching ✔Cisco Certified Network Professional (CCNP) - Enterprise ✔Cisco Certified Specialist - Enterprise Core ✔Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation ✔Cisco Certified Specialist - Security Identity Management Implementation Check Point ✔CCSA Check Point Certified Security Administrator R81 (07/2023) Blue Coat ✔Blue Coat Certified ProxySG Professional (BCCPP) (now Symentec) ✔Blue Coat Certified ProxySG Administrator (BCCPA) Microsoft ✔Microsoft Certified Professional (MCSA) Windows Server 2003 I can offer CONSULTING SERVICES in the following fields: NETWORK ENGINEERING ✔ LAN/WLAN Designing, Configuring and Troubleshooting of Networks (Cisco, HP, Aruba, Mikrotik, Ubiquiti/Unifi) ✔ VPN (SSL/IPSEC) ✔ Site-Survey of Cabling and Wi-Fi ✔ CCTV Installations NETWORK SECURITY ✔ BlueCoat ProxySG (now Symentec Proxy SG), F5 Load balancer, ASA, Firepower, ISE, ACE, Check Point, Juniper, Pfsense, Palo Alto, Unifi) ✔ Network Monitoring System CA Spectrum , Splunk SYSTEM ADMINISTRATION SOFT SKILLS: ✔ Reliable/Honest ✔ Dilligent ✔ Professional LANGUAGES ✔German (native) ✔English (fluent) ✔Spanish (fluent)
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Wireless Network Implementation
    Aruba
    Cisco IOS
    Network Planning
    Ubiquiti
    Network Administration
    LAN Administration
    Cisco
    Cisco Certified Network Professional
    F5, Inc.
    Load Balancing
    Network Security
    VPN
    Firewall
  • $60 hourly

    • 5.0/5
    • (327 jobs)
    I'm Top Rated Plus Freelancer with over 12 000 hours on UPWORK and over 15 years of experience! I have hands on experience for below vendors and technologies, but not limited to: Cisco | Juniper | Mikrotik | Arista | Dell | PaloAlto | 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 | ZTE | Huawei | DSLAM | OLT/ONT etc Linux: Ubuntu/Debian/CentOS/Fedora: -Fastnetmon | GOBGP -Cacti | Librenms -Phpipam -Netbox -Routing Protocols: RIP, EIGRP, OSPF, BGP, MPLS VPNs. -Switching Protocols: RSTP, MST, VTP, Private VLANs, HSRP, VRRP. -VPN Protocols: L2TP, PPTP, S2S IPSec, GRE, OPENVPN, Wireguard. -TCP/IP IPv4 -IPv6 Planning and Implementation -SD-WAN -ZeroTier Cloud: -AWS (Client/S2S VPN, VPC, EC2, SG, S3, RT) -Azure (S2S/C2S VPN, VM, VNET, LB, SG, RT) -Vultr (Compute, VPC, DC, Peering, RT) Cisco and Juniper Certifications: -CCNP Enterprise -CCDP -ENARSI -ENCOR -ENSLD -SWSA -JNCIA
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Microsoft Azure
    Amazon EC2
    Amazon Web Services
    Multiprotocol BGP
    Sophos Sophos UTM
    PfSense
    Mikrotik RouterBOARD
    Security Engineering
    Network Engineering
    Ubiquiti
    VPN
    Network Equipment
    Network Security
    Firewall
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