Multi-Vendor Network Security

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in System Admin, Web Security, Cisco, Network Administration, Documentation, Network Security, VPN, Change Management and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@ExpertNetworkEng

Hello, I’m a Senior Network & Security Engineer with 10+ years of hands-on experience designing, implementing, and migrating enterprise and service-provider networks. I specialize in Network Security, SD-WAN, routing & switching, enterprise wireless, and secure network architecture, helping companies modernize legacy networks, improve reliability, and reduce WAN costs. Core expertise: - Firewalls & Security: FortiGate, Palo Alto, Cisco ASA / Firepower IPsec & SSL VPN, site-to-site, remote access, policy design - Routing & Switching: Cisco ASR/ISR, Catalyst, Nexus, Juniper Routers (M10, MX 960) and SRX 500 (BGP, OSPF, EIGRP, IS-IS, MPLS, VLANs, STP, HSRP/VRRP) Enterprise LAN & campus design - LAN Switching (Multi-Vendor): Cisco, Juniper, Meraki, HP, Aruba, FortiSwitch Access/core design, redundancy, QoS, segmentation - Enterprise Wireless: Cisco WLC & APs, Cisco Meraki Wi-Fi, Ubiquiti, Aruba Wi-Fi, FortiAP Coverage design, roaming, security, troubleshooting - SD-WAN: Fortinet SD-WAN, Cisco SD-WAN (Viptela), Cisco Meraki (hub-and-spoke, MPLS + Internet, segmentation, HA, traffic steering) - Cloud & Hybrid Networking: AWS / Azure / GCP Site-to-site VPN, routing integration - Network Automation: Python Certifications: CCIE Enterprise Cisco Certified Specialist – Enterprise SD-WAN Implementation CCNP Data Center CCNP Security Juniper JNCIA-Junos, JNCIA-Cloud If you share your current setup and goal, I can propose a clear and practical solution. Best regards,

@sohelranaict07

Hello there, I am a CCNA/CCNP trainer and professional network & security expert having more than 12 years’ experience of working with multiple organizations like Bank, NGO, ISP and vendors. Following are the benchmarks I have which might be helpful for employer to get an overview and choose me to serve their requirement. ✅ I have certification of CCNP (R&S), RHCSA, RHCSE and training on CCNP Sec, MTCNA, F5 ASM & LB, Linux System Security, Information Security and Cyber Forensic. ✅ I am a professional CCNA & CCNP (R&S) trainer and have simulated lot of projects in packet tracer and GNS3. ✅ During my job period I mostly worked to design and deploy network & security infrastructure of several companies. ✅ I have good knowledge and experience of working on devices of multiple OEM like Cisco, Juniper, Mikrotik, F5, Sophos, Fortinet, PfSense, SonicWall etc. ✅ I have expertise in Cisco ACI (Data Center Solution), Routing & switching, Firewall (FTD & ASA), wireless, collaboration, WSA, ESA, ISE, F5 Application Security Manager & Load Balancer, Mikrotik BW Manager etc. I will be glad if the above mentioned criteria makes you realize that I am able to meet your requirement then would like to request to have a brief discussion on your project and requirements first after that award me with the work order. I always try to keep my words given to employer and I believe it helps me a lot to deliver my work on time. Thanks with best regards, Rana

@softsolution2000

With my extensive experience in System Admin, Web Security, Cisco, Network Administration, and Documentation, I am a great match for the Multi-Vendor Network Security project. I am confident in my ability to troubleshoot VPN issues, configure tunnels, and document processes effectively. The budget can be adjusted after discussing the full scope, and I am committed to working within your budget. I am eager to start and demonstrate my dedication to this project. Please review my 15-year-old profile to see my track record. Let's discuss the details and get started right away.

@KestanWriters

With my double expertise in Quick and Quality service delivery, you can rely on me to keep your multi-vendor network secure, efficient, and robust. Holding a CCIE-level certification in network security management, including extensive experience with Cisco, Fortinet, and Palo Alto equipment like you require, I am not just familiar but proficient with the FMC interface and its CLI. This enables me to navigate any troubleshooting complexities, whether it's dropped route-based or policy-based tunnels, mis-timed Phase 2 proposals or unexpected NAT behavior. However, it's not just about troubleshooting; it's also about adding strategic value when creating new tunnels. Drawing from my experience in project management and business consultations, I am skilled at building end-to-end networks and documenting the exact CLI/GUI steps in detail for your team’s reference. My transparency ensures continuity whether it’s modifications or replication of a successful network structure. In conclusion, my remote work flexibility coupled with my ability to deliver quick services without compromising quality is proven by my repeat clients. Indeed, maintaining links green is a shared vision between us - let’s make it a reality!

@markupdudes

Hi, I’m confident I can support your multi-vendor network security environment seamlessly. With extensive experience managing Cisco FTD via FMC, along with Fortinet FortiGate and Palo Alto firewalls, I understand the intricacies of maintaining robust site-to-site VPNs across diverse platforms. I specialize in troubleshooting dropped tunnels, Phase 2 proposal mismatches, NAT anomalies, and VLAN/trunk issues, ensuring stable, secure connectivity. Additionally, I excel in deploying new VPN tunnels end-to-end, documenting CLI and GUI steps clearly for your team’s consistency. As a network engineer comfortable with CCNP-level complexity, I’m fluent with FMC interfaces, FortiOS, and Panorama, enabling precise policy vs. route-based VPN design decisions. I aim to deliver verified VPN tunnels, accurate NAT configurations, and detailed change logs every time. I’m ready to respond swiftly to urgent tunnel drops and maintain your network’s high uptime. I can start supporting your network immediately with a turnaround tailored to your real-time needs. Could you share the most common VPN or NAT issue you encounter that needs urgent attention? Best regards,

@rositai9805

Hi there, I noticed you’re looking to work on multi-vendor network security management involving Cisco FMC, Fortinet FortiGate, and Palo Alto firewalls, and I’ve built very similar solutions in real-world enterprise environments. I have 7+ years of experience in network security administration and VPN management, mastering the configuration and troubleshooting of Cisco FTD, FortiOS, and Panorama platforms. In a recent project, I restored multiple critical site-to-site VPNs across mixed-vendor gear, reducing downtime by 90% through precise tunnel and NAT alignment. I would maintain your VPN landscape by quickly diagnosing phase 2 timing mismatches and NAT quirks, leveraging deep fluency in FMC and FortiOS CLIs to rebuild or expand tunnels as needed. Each VPN setup would be fully tested with traffic validation, and I’d document every CLI/GUI step clearly to support seamless team replication. ✅ Proactively monitor and troubleshoot VPN tunnels to prevent downtime. ✅ Resolve phase-2 negotiation errors with precise configuration adjustments. ✅ Address VLAN/trunk issues impacting network stability. ✅ Implement and verify NAT policies tailored per tunnel. ✅ Deliver clear documentation and change logs for your team’s operational continuity. Quick question: How many concurrent tunnels typically require daily monitoring and updates in your current setup? I look forward to working with you. Best Regards, Rosita Iniesta.

@hassann007

Hey , I just finished reading the job description and I see you are looking for someone experienced in System Admin, Network Administration, Documentation, Change Management, Cisco, Network Security, VPN and Web Security. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? Deliver high-quality work with a strong focus on accuracy, efficiency, and client objectives. Maintain a proven record of long-term client satisfaction with consistently positive feedback. Earn 5-star ratings on recent projects, reflecting reliability and clear communication. Work with a structured, detail-oriented approach to ensure timely and accurate delivery. Availability: Full-time freelancer with flexible availability and fast response times (Eastern Time). I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Hassan.

@nusratu1

Hey , I just finished reading the job description and I see you are looking for someone experienced in System Admin, Cisco, VPN, Network Security, Network Administration, Change Management, Web Security and Documentation. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further.

@dominicd28

Dear Client, Good morning . How are you? I hope this proposal finds you well. I'M A CERTIFIED & EXPERIENCED EXPERT This is to inform you that I have KEENLY gone through your project description, CLEARLY understood all the project requirements as instructed in your project proposal and this is to let you know that I will perfectly deliver as desired. Being in possession of all stated required skills, (Network Administration, VPN, Network Security, Cisco, Change Management, Web Security, System Admin and Documentation), as this is my field of professional specialization having completed all certifications and developed adequate experience in the respective field, I hereby humbly request you to consider my bid for professional, quality and affordable services that meet all your requirements. I always guarantee timely delivery and unlimited revisions where necessary hence you are assured of utmost satisfaction when working with me. Please send me a message so that we can discuss more and seal the project. THANK-YOU & WELCOME.

@Dsayyed04

I am a Senior Network Security Engineer with 8+ years of hands-on experience supporting and troubleshooting complex, multi-vendor firewall environments, including Cisco FTD devices managed via FMC, Fortinet FortiGate (FortiOS), and Palo Alto firewalls (Panorama and standalone). I hold CCNA and Fortinet NSE4 certifications and operate comfortably at a senior/CCNP-security level. My core expertise is site-to-site IPsec VPN design, deployment, and recovery, covering both route-based and policy-based tunnels. I routinely resolve Phase 1 and Phase 2 negotiation failures, proposal and lifetime mismatches, NAT-related tunnel issues, routing and asymmetric traffic problems, and switching or VLAN dependencies that impact VPN stability. For each engagement, I deliver a fully functional and tested VPN tunnel, verified NAT and routing, and clear documentation (change logs and/or screenshots) so other engineers can easily replicate or support the configuration. All work is remote, with quick turnaround available for tunnel outages and real-time operational needs.

@NawazBashaa

40 CAD for all the configurations and monitoring mentioned as per the requirements

@Sathees121

Hi, I would like to support Cisco FTD, FMC side, and am CCIE Security certified. I possess extensive experience in working with Cisco ASA and Firepower activities, which aligns perfectly with your project needs. Being a CCIE Security certified professional, I've not only built a strong foundation on Cisco devices but have also acquired the expertise necessary to manage complex network security landscapes proactively and reactively. My knowledge of the FMC side allows me to navigate between different types of firewalls without any difficulties, ensuring your network's security is never compromised. In terms of VPN management, I pride myself on resolving issues promptly and efficiently while maintaining close communication with my clients. I understand the importance of minimal downtime for your operations and will always provide you with a working VPN tunnel that has been thoroughly tested. Documentation is another aspect I greatly value and guarantee you comprehensive change logs that can be easily followed by your team members. Lastly, as a remote worker, I am able to adapt to real-time needs and provide quick turnarounds. Your project allows me to leverage my skills as a network security professional while offering scalable solutions essential for growing networks like yours. Partnering with me would mean choosing someone who knows their field inside out and who is committed to keeping your network secure and running smoothly. Let's keep our links green together!