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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
  • $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
    OKTA
    Fortinet
    Open Networking Operating System
    Network Engineering
    Firewall
    PfSense
    Network Planning
    MikroTik RouterOS
    Cisco Certified Network Professional
    TCP/IP
    Network Security
    Cisco Router
    Cisco IOS
    VMware ESX Server
  • $142 hourly

    • 4.9/5
    • (56 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 16 years in the field, I bring extensive expertise and a track record of delivering exceptional results. During my tenure as a Cisco Network Architect, I successfully planned, designed, implemented, and monitored networks for over 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 34. RingCentral #SDWAN #Viptela #DNACenter #APIC #SDN #ISE #IdentityServicesEngine #Firepower #CiscoUmbrella #EmailSecurityAppliance #WebSecurityAppliance #CloudWebSecurity #ciscoasa #Meraki #Stealthwatch #CUCM #BE6K #BE7K #CallManager #VPN #ASA #CallManagerExpress #UCCX #UCCE #Telepresence #IPCameras #ASR1K #ASR9K #NexusSwitches #PrimeInfrastructure #IPTelephony #SoftwareDevelopment #NetworkDesigning #Monitoring #SecurityInfrastructure
    vsuc_fltilesrefresh_TrophyIcon Cisco 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
  • $70 hourly

    • 5.0/5
    • (254 jobs)
    Proficient in Cisco , Mikrotik , Ubiqity gear etc, I offer my 10 years experience to design, implement and troubleshoot complex networks. I am a self-motivated professional with strong work ethic and productive self-starter. Participated in multiple projects, contributing in large teams, effectively co-working with other professionals,which strong team-player skills.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Firewall
    Ubiquiti
    SSL
    VPN
    Amazon EC2
    Network Security
    MikroTik RouterOS
    Virtualization
    Azure DevOps
    Cisco Meraki
    Wireless Network Implementation
    VMware ESX Server
    AWS Systems Manager
    Amazon Web Services
  • $35 hourly

    • 4.9/5
    • (293 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 Firepower 2100Series Cisco Firepower 4100Series Fortigate 400F Fortigate 200F Fortigate 100F Checkpoint 5800 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series Pfsense ZTNA FortiGate ZTNA Load Balancers: F5 BIG-IP Application Delivery Controllers Radware Application Delivery Controllers Array Application Delivery Controllers Fortinet Application Delivery Controllers. Routers: Cisco, Arista, HP Switches: Cisco Catalyst Cisco Nexus N5K & N9K HP Switches Wireless Controller & Access Points: Cisco WLC, Aruba WLC Unify WLC Meraki
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco Router
    Firewall
    SonicWall
    Cisco Firepower Threat Defense
    FortiGate Firewall
    Zero Trust Architecture
    Web Proxy
    Cisco Certified Network Professional
    Load Balancing
    Check Point
    Network Security
    Cisco Meraki
    VPN
  • $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 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
  • $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
    Cisco Prime
    Cisco Certified Network Professional
    Fortinet
    Palo Alto Firewalls
    Cisco Meraki
    Cisco Router
    Cisco CallManager
    Cisco ISE
    VPN
    Firewall
  • $78 hourly

    • 4.9/5
    • (310 jobs)
    - Top Rated Network and Cloud Engineer. - Expert Vetted by Upwork - top 1% of Upwork freelancers. - 300+ projects and 7000+ 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
    AWS Application
    Fortinet
    Open Networking Operating System
    Network Design
    Ubiquiti
    Cisco Router
    MikroTik RouterOS
    Brocade
    PfSense
    OpenVPN
    Sophos Sophos UTM
    Google Cloud Platform
    Microsoft Azure
  • $40 hourly

    • 4.9/5
    • (88 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 standalone installation Vicidial Cluster installation Vicidial inbound Campaign Vicidial outbound campaign Vicidial Blended campaigns Vicidial Customizations and integration with Asterisk servers Vicidial Carriers Settings, Campaigns and Leads deployments Vicidial agent and non agent apis Vicidial Support and Troubleshooting Yeaster UC100 setup, configuration and routing. Databases: MySQL and Postgresql Programming Skills: Shell Scripting, Php, Python, JSON, XML and JavaScript Python Django web development Django and Postgresql Django and ,MySQL Django Rest Framework for API Development 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 Python and Django Django Rest Framework
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Communications
    Phone Support
    Iptables
    MySQL
    Cisco IOS
    VICIDIAL
    VPN
    Asterisk
    Linux System Administration
    FreePBX
    Cisco Router
    Ubuntu
    CentOS
  • $150 hourly

    • 4.9/5
    • (70 jobs)
    🏆🥇✨Proven track record of delivering top-notch IT solutions ✨🥇🏆 - I specialize in networking, cybersecurity and virtualization including Citrix, VMware, and Microsoft technologies. My expertise spans Unifi, Meraki and Cisco in networking, SonicWall, Palo Alto and FortiNet in security as well as VMware, XenServer and Hyper-V virtualization. I've consistently achieved high client satisfaction through my dedication to excellence and attention to detail. **Key Skills:** 👉 Virtual Machine Management: Proficient in template automation, Citrix MCS, PVS, and Citrix AppLayering for efficient virtual machine deployment and management. 👉 User Experience Optimization: Skilled in enhancing user experience with Citrix WEM, Citrix UPM, Profile Unity, and AppSense solutions. 👉 Wireless Deployments: Experienced in deploying wireless solutions from Meraki, Ubiquiti, and Cisco for seamless connectivity. 👉 Network Security: Expertise in implementing and managing network security firewalls from Meraki, Ubiquiti, SonicWall, Cisco, and Palo Alto to ensure robust protection. 👉 Storage Area Network (SAN) Deployment: Knowledgeable in SAN deployment utilizing Pure Storage and Dell/EMC solutions for reliable data storage. 👉 Exchange Connectivity: Proficient in troubleshooting Exchange connectivity issues and optimizing mail flow for uninterrupted communication. 👉 Windows Patch Management: Skilled in deploying Windows patches using WSUS and Ivanti Patch for enhanced system security and performance. 👉 Microsoft Distributed File Services (DFSr) Deployments: Experienced in deploying DFSr solutions for efficient file replication and management. **Why Choose Me:** ✅ Proven Track Record: With a long history of successful client engagements, I have built a reputation for delivering exceptional IT solutions. ✅ Client Satisfaction: My focus on client satisfaction drives me to go above and beyond to meet project requirements and exceed expectations. ✅ Technical Expertise: I stay updated with the latest advancements in Citrix, VMware, and Microsoft technologies to provide cutting-edge solutions. ✅ Attention to Detail: I pay meticulous attention to detail in every project, ensuring accuracy and efficiency in implementation. ✅ Collaborative Approach: I believe in transparent communication and collaboration, working closely with clients to understand their needs and deliver tailored solutions. **Let's Connect:** 🥇 Ready to elevate your IT infrastructure? Reach out to discuss how I can help you achieve your goals efficiently and effectively.
    vsuc_fltilesrefresh_TrophyIcon Cisco 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
  • $80 hourly

    • 5.0/5
    • (129 jobs)
    A result-driven IT professional with extensive experiences in multi platforms (Network, Systems & Firewall as well as Email Deliverability Platforms) engineering, administration and support with total working experiences in Singapore (6 years 8 months) and in Bangladesh (5 years 10 months). In-depth expertise in the implementation, analysis, optimization, troubleshooting and documentation of global network, firewall and systems as well as monitoring network platform that capitalizes on expertise in CISCO Routers/Switches, ASA, Checkpoint, Juniper SRX (Firewalls and Routers), Fortigate, Sonicwall, Monowall, IPTABLES firewalls, Linux/Unix (RedHat, Debian, SUSE, BSD, CENTOS, FC, Ubuntu), Windows 2000/2003/2012R2 platform, F5 LTM/GTM devices, Nokia checkpoint (Provider1 and Smart Manager). Dedicated to pursue further challenges in the field of Network & Security as well as System Administration/Engineering wherein my skills and knowledge will be highly developed and utilized. Maintain focus on achieving end-results while demonstrating strategic problem solving skills and ability to follow through multi-tasking job. Scope of Intervention • Installation (Routers, Switches, Servers, Patching, Applications, Firewalls etc) • Troubleshooting (Network, Firewalls, Systems, Apps etc) • Test & Commissioning (Network & Security projects for Routers, switches and firewalls & COLO servers) • Troubleshooting of Email Marketing platforms (Sendgrid, Mailchimp, JangoMail, AWS SES etc. as well as company hosted SMTP servers with Postfix, PowerMta, Exim and any other MTA issues for official Email Platforms or Bulk sending platforms. • Monitoring (Nagios, Opsview, Solarwinds, Cacti, HPNA, ENM, APPSVIEW, • BMC Proactive, Intermapper, HP Netcool, Splunk, eHealth, Sitescope etc.) • Ticketing – (Jira, Maximo, Salesforce etc.) • Documentation and Diagrams – (Sharepoint, Visionael and MS Visio etc) • Global Meetings (For projects and troubleshooting) Industries & Specialties • Telecommunication (VoIP and SMS) • Solutions Provider (Network & Security) • Managed Services Provider (Network, Security, Servers & applications) • Bank Network Infra (Network, Security & Systems)
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    TCP/IP
    Customer Relationship Management
    Red Hat Enterprise Linux
    Firewall
    Email Deliverability
    VPN
    Cisco Certified Network Associate
    Google Workspace
    Network Engineering
    Network Monitoring
    Systems Engineering
    SMTP
    Ubuntu
    Windows Server
  • $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
  • $60 hourly

    • 4.9/5
    • (27 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
    FortiGate Firewall
    Palo Alto Firewalls
    Routing
    Cisco ISE
    Wireless Network Implementation
    Firewall
    Wireless Security
    Computer Network
    Network Administration
    WAN Optimization
    Cisco WLC
    Network Design
    Network Security
    Juniper
  • $90 hourly

    • 4.5/5
    • (35 jobs)
    I have been in network engineering and operations since 2012! Currently, I am an IT Network Operations Manager in a leading global BPO company. I lead a team of network professionals to manage a global infrastructure. We handle 24x7 day-to-day network operations of the company. Certifications: CCNP CCNA Security Lean Six Sigma Yellow Belt
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cloud Architecture
    Cisco IOS
    Cisco WLC
    Cisco Certified Internetwork Expert
    Cisco Meraki
    Cloud Implementation
    Cisco Router
    Troubleshooting
    AWS Systems Manager
    Ansible
    Cloud Engineering
    Cisco Certified Network Associate
    Cisco ISE
    Microsoft Azure
  • $85 hourly

    • 5.0/5
    • (130 jobs)
    Hello! I am a Telecommunications and Networking Specialist and I primarily work with Cisco networking technologies, both wired and wireless, routing, switching, IP telephony and VoIP. Since 1999 I have had the privilege of working with multi-site organisations where these technologies have been applied to the fullest extent. In most cases, the applications of these technologies have been on an “enterprise” scale, with hundreds of users (or even tens of thousands for some municipal Wi-Fi networks) and tens of locations. I've been designing and managing Cisco IP telephony and data networks as well as writing proposals, RFPs and technical writing projects for large scale organisations in both the public and private sector in multiple countries including the USA, the UK and Greece. I’ve been technical manager of European funded projects and administrator for IP Telephony networks, data networks, municipal Wi-Fi networks and metropolitan fibre optic networks. I have a CCNP certification and four CCNA certifications in Routing & Switching, Security, Voice and Wireless. I am currently working towards my CCNP Collaboration and my CCIE certifications. I am also an instructor for Cisco Academy. Although I live in Greece, I was born and raised in Canada, so English is my first language. My Philosophy: The quality of my work and my services are of great importance to me. My goal is to always be on time, consistent and pleasant to work with. I will be clear and concise from the beginning, letting you know what each job entails and how much time it will take. All this will be done honestly, without fanfare and with integrity. I would even say that I will be chivalrous with my obligations towards you. This is good for you, because you’ll get done what you need to get done. This is good for me as well, because you will be pleased with my work and you will give me a good review. It’s a win-win situation! So I look forward to having the pleasure of working with you.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Network Design
    VoIP Administration
    Cisco CallManager
    Cisco Router
    Network Planning
    Wireless Network Implementation
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Technical Writing
    Technical Documentation
  • $125 hourly

    • 5.0/5
    • (19 jobs)
    Hi, I'm expert on Microsoft on-prem infrastructure, Microsoft 365, and cybersecurity with over 15 years of experience in the IT industry. I help businesses and individuals to leverage the power of Microsoft 365 and protect their data and systems from cyber threats. I have successfully completed many projects on Microsoft 365 migration, configuration, administration, and optimization for clients across various sectors and regions. I have also implemented cybersecurity solutions aligned to frameworks such as CIS v8 that included firewalls, identity security, endpoint detection & response, data governance & encryption, email & app protection, backup, and disaster recovery for clients who need to secure their sensitive information and assets. I have a passion for learning new technologies and staying updated on the latest trends and best practices in Microsoft 365 and cybersecurity. I have earned advanced certifications from Microsoft, such as Microsoft 365 Certified: Enterprise Administrator Expert and Microsoft Certified Master (MCM). I have excellent communication and collaboration skills. I am reliable, flexible, and committed to delivering high-quality work and exceeding client expectations. My rate may be higher than others but I’m more cost effective because I get things done correctly the first time and able to quickly adapt to changing requirements and challenges. If you are looking for a freelancer and expert on Microsoft 365 and cybersecurity who can help you achieve your goals and solve your problems, please contact me and let's discuss how we can work together. I look forward to hearing from you soon.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Microsoft Windows PowerShell
    Office 365
    Windows Server
    Microsoft Exchange Server
    NIST SP 800-53
    Microsoft Azure
    Microsoft Windows
    Microsoft Active Directory
    HIPAA
    Microsoft Teams
    Cisco IOS
    Microsoft Exchange Online
  • $65 hourly

    • 5.0/5
    • (10 jobs)
    New here so starting with a low rate CCIE Specialties: Cisco Security, FTD, ASA, Firepower, NGFW, NGIPS, ISE, Stealthwatch, OpenDNS, Fortigate, VPN, Linux, AWS cloud Security, Azure Security, PCI Compliance, Devsecops, Kubernetes, Docker, Guardicore workload protection, Segmentation, Network automation, SASE, Zero Trust, Nautobot, Netbox
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco IOS
    Web Application Firewall
    Cisco Certified Internetwork Expert
    Fortinet
    FortiGate Firewall
    Network Administration
    Kubernetes
    Python
    Docker
    VPN
    Firewall
    Network Security
  • $95 hourly

    • 5.0/5
    • (11 jobs)
    ✅🌟CCSM Elite Certified (Checkpoint Certified Security Master Elite)🌟✅ 🌟Experienced Network Security Specialist with 15+ years history with CheckPoint, Cisco ASA, and Juniper SRX Firewalls🌟 ⚒Extensive work experience with Check Point VSX, MDS, Quantum Smart-1 Cloud, Check Point Infinity, CloudGuard Connect/Edge, Harmony EndPoint, CloudGuard SaaS (Now Harmony Email & Office), CloudGuard Connect/Edge (Now Harmony Connect and Quantum Edge) alongside working with Enterprise level clients⚒ ⚡Done numerous CheckPoint upgrades over the last ten years on different topologies, including standalone, distributed, cluster and virtual environments from R75.x to R81.x⚡ 🥇Cisco ASA firewall experience with valid CCNP Security (VPN) certification🥇 💡Juniper JNCIA Junos certified💡 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ⚡ Client-Focus: I focus on providing VALUE to all my clients. ⚡ Work Ethic: Going the “extra mile” is core to my work as a Freelancer. ⚡ Responsiveness: I am responsive and keep all lines of communication readily open with my Clients. ⚡ Kindness: One of the most important aspects of my life is to treat everyone with respect, be empathetic in all situations.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Blockchain
    Smart Contract
    Cisco Certified Network Associate
    Python
    Full-Stack Development
    Network Administration
    Game Development
    Web Development
    Check Point
    App Development
    iOS Development
    Firewall
    Network Security
  • $25 hourly

    • 4.9/5
    • (32 jobs)
    I'm a professional network engineer holding Cisco CCNP certificate. I have 5 years of experience in IT networks. My specialties: - Design and implement medium and large scale enterprise networks and deliver technical reports for them. - Configure Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (6500, 3750, 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x, 5508). - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Network Simulation using Packet tracer and GNS3 - Data analysis with Wireshark.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Wide Area Network
    Cisco Router
    FortiGate Firewall
    Cisco IOS
    Multiprotocol BGP
    Palo Alto Firewalls
    Network Administration
  • $40 hourly

    • 5.0/5
    • (21 jobs)
    ✅ 2x ⭐️⭐️⭐️⭐️⭐️ Upwork Enterprise Client ✅ 15 x ⭐️⭐️⭐️⭐️⭐️ Client Reviews Greetings! 👋 I'm Anas, an Offensive Security Certified Professional with over 5 years of industry experience. I specialize in web and mobile application security. My expertise extends to collaborating with Government Sectors, Private Businesses, and SaaS startups, aiding them in meeting their information security requirements. Whether it's Penetration Test/Vulnerability Assessment, or ensuring compliance with Information Security standards such as ISO27001, SOC2, or PCI, I deliver top-notch results. Highlights of my experience: - Successfully tested 100+ web and mobile applications. - Implemented ISO27001 (2013 & 2022 version) standard for multiple clients - Acknowledgments from AT&T, Helium, Usability Hub, and more through bug bounty programs. Services Offered: - Penetration Test - Vulnerability Assessment - Information Security Compliance (ISO27001, SOC2, PCI) - Incident Response Trainings & Certifications: - Offensive Security Certified Professional (OSCP) - AWS Security Speciality - ISO27001:2013 Lead Implementer Client's Feedback: "I had the pleasure of working with Anas on an SME penetration testing project. He demonstrated utmost professionalism and delivered high-quality work. Highly recommended, and I look forward to working with him again." "As always, Anas impresses with his skills. He adheres to schedules, completes tasks promptly, and has become my go-to expert. A highly satisfied repeat customer." If you're seeking a dedicated professional committed to quality and prompt delivery, I'm eager to exceed your expectations. Let's discuss how I can contribute to your project! Penetration Test, Penetration Tester
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Ethical Hacking
    Website Security
    Python
    Information Security Audit
    Web Application Security
    Security Engineering
    Mobile App Testing
    Linux
    Security Analysis
    Amazon Web Services
    Information Security
    Business with 10-99 Employees
    Application Security
    Penetration Testing
    Kali Linux
    Vulnerability Assessment
  • $50 hourly

    • 5.0/5
    • (34 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.
    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

    • 4.9/5
    • (22 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 Certified Network Professional
    Cisco Meraki
  • $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
  • $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
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Linux System Administration
    Cisco Certified Internetwork Expert
    Palo Alto Firewalls
    Cisco Router
    Network Administration
    Network Security
    Cisco Meraki
    Zabbix
    VPN
  • $65 hourly

    • 4.9/5
    • (89 jobs)
    🟢 Available 🕗📅Full Time Freelancer📅🕗 🔝🏆Top Rated Plus on Upwork 🏆🔝 💯100%✔️ Job Success💯100%✔️ ╰┈➤ Cisco CCIE Certified Engineer , have 12 years of experience with Network Solutions and worked for Cisco Gold Partenr Companies and support MegaCustomers around the world . ╰┈➤ Able to provide professional services ( Design,Deployment & Troubleshooting ) for below Solutions 👇 ✔ Cisco Collaboration Portfolio includes ( Cisco Call Manager CUCM , Unity Connection, IM&Presence,Jabber,Expressway MRA ,SIP CUBE , H323 MGCP Voice Gateway,Cisco Contact Center Express UCCX ,Cisco Meeting Server , WebEx Meeting and WebEx Calling ) ✔ Routing & Switching Network Portfolio incudes ( Cisco ISR Router,ASR Router , Catalyst Switches , Nexus Switches , Cisco SD-WAN Viptela , DNA Cisco SD-ACCESS, ACI ,Unifi Router and Switches ) ✔ Security Portfolio includes ( Fortinet,Fortegate,Palo Alto,SonicWall,Cisco FTD ,ASA,ISE,Sophos Firewall ) ✔ Microsoft Teams Administration and integration with SBC, SIP CUBE.
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Cisco Certified Design Professional
    Cisco UCS
    Cisco Router
    Cisco Meraki
    Cisco CallManager
    Cisco Certified Design Expert
    Cisco Certified Network Associate
    Network Security
    Cisco Certified Internetwork Expert
    Software-Defined Networking
    Network Design
    Cisco Certified Network Professional
    Network Administration
  • $60 hourly

    • 5.0/5
    • (36 jobs)
    Highly skilled in Cisco technologies, holding a CCIE in R&S, these include design, install, configuration and troubleshooting of the following: Routers - DSL,DMVPN, VPN - site to site and remote access, BGP, OSPF, EIGRP, RIP, VRFs, MPLS, Multicast Switches - 3560, 3750, 2960, 3850, 9300 access switches, 6500, VSS, 4500 high end core/distribution switches, Vlans, Spanning Tree, VTP, Layer 3 switching Nexus - VPC, VDC ASA and Checkpoint firewalls; VPNs - remote access, site to site. In addition I have extensive knowledge on Windows and Linux platforms with 5 years experience supporting these in an enterprise network. Excellent troubleshooting skills using wireshark and packet captures, excellent understanding of a wide range of network and application protocols. Currently work for a Cisco Gold Partner providing technical expertise on a wide range of Cisco technologies. Over 20 years in the IT industry, with the last 17 years being predominately Cisco. Please note my availability: Monday-Friday 17:00-23:00 (UTC/GMT) 12:00-18:00 (EST) 09:00-15:00 (PST) Weekends Anytime with some notice
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    VPN
    Cisco Router
    Cisco IOS
    Cisco Certified Internetwork Expert
  • $75 hourly

    • 4.9/5
    • (374 jobs)
    🥇✨UPWORK EXPERT-VETTED FREELANCER ✨ 🥇 I am a highly experienced Network and Security Engineer/Architect with over 17 years in the industry and an Expert Vetted Freelancer on Upwork with more than 13,000 hours logged. I specialize in delivering high-quality solutions to complex networking and cloud infrastructure challenges. ✨𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: 🏆Advanced Networking Solutions: ✅Vendors: Cisco, Juniper, Mikrotik, Arista, Dell, Brocade, Palo Alto, Mellanox, Sonicwall, Fiberstore, Sophos, Zyxel/Zywall, Quagga/Vyos, Fortinet/Fortigate, PFSense/OPNSense, Untangle, Unifi/Edgerouter/Edgeswitch/USG/Controller, Motorola/Cambium/PTP/PMP/Medusa, Aruba, Netonix, Cumulus, PRTG, Hyper-V, ESXI, ZTE, Huawei, DSLAM, OLT/ONT ✅Routing Protocols: RIP, EIGRP, OSPF, BGP, MPLS VPNs ✅Switching Protocols: RSTP, MST, VTP, Private VLANs, HSRP, VRRP ✅VPN Technologies: L2TP, PPTP, S2S IPSec, GRE, OPENVPN, Wireguard ✅Networking Standards: TCP/IP IPv4, IPv6 Planning and Implementation ✅Emerging Technologies: SD-WAN, ZeroTier 🏆Proficient in Linux systems: ✅Distributions: Ubuntu, Debian, CentOS, Fedora ✅Applications: Fastnetmon, GOBGP, Cacti, Librenms, Phpipam, Netbox 🏆Cloud Infrastructure Management: ✅AWS: Client/S2S VPN, VPC, EC2, SG, S3, RT ✅Azure: S2S/C2S VPN, VM, VNET, LB, SG, RT ✅Vultr: Compute, VPC, DC, Peering, RT 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻: 🎓Master of Sciences in Computers Engineering 🎓Industry-Recognized Certifications: 🌟Cisco: CCDA, CCDP, CCNA, CCNA-Sec, CCNP-R&S, CCNP-ENT, ENARSI, ENCORE, ENSLD, SWSA 🌟Juniper: JNCIA 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: ⏰ Every day, Monday to Sunday 02:00- 16:00 EST
    vsuc_fltilesrefresh_TrophyIcon Cisco ASA
    Network Design
    Cisco
    Microsoft Azure
    Amazon Web Services
    Multiprotocol BGP
    Sophos Sophos UTM
    PfSense
    Mikrotik RouterBOARD
    Security Engineering
    Network Engineering
    Ubiquiti
    VPN
    Network Equipment
    Network Security
    Firewall
  • $90 hourly

    • 4.9/5
    • (66 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 Internetwork Expert
    Juniper
    Firewall
    Cisco Certified Design Professional
    Cisco IOS
    Cisco Meraki
    VPN
    Microsoft Azure
    Amazon Web Services
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