Network Redesign & Cybersecurity Enhancement

@AhmedMFakkar

Hello Dear, I am a Network and Security consultant and I have a Cisco CCNP certificate. I have great experience in various network technologies such as VLAN, STP, OSPF, EIGRP, BGP, MPLS, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. Also, I have great hands-on experience in, - Cisco Routers ASR 9k&1k, ISR 4K, 2900, 2800, 878, 888, Switches Nexus 9K, Cat 6500, 3850, 2900 and ASA 5505, 5506x, 5508. - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Palo Alto 220, 550, 850 and 3200 and Fortigate 40F, 60F, 100E, 200E and 800E Firewalls. - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. - Mikrotik CCR1036, CCR1009, CCR1700, CCR2204 and RB2011. We can discuss it further, let me know if you are interested. Regards, Ahmed Fakkar

@farooqtahir2013

Leveraging on my decade-long experience in Network Administration, Security and Systems Administration, I respectfully offer myself for your network redesign and cybersecurity project. My expertise spans the domain from implementing hierarchical networks to secure interconnections across dispersed sites, which resonates with the very essence of your project. I understand the intricacies of network segmentation while ensuring controlled sharing - a crucial aspect that aligns closely with your vision. Having worked with an array of vendors like Cisco, Checkpoint, Microsoft and more, I have developed a keen understanding of product functionality as well as industry best practices. This insightful experience will enable me not only to efficiently deploy tools like Guardian, Collector and CMC but also offer tailor-made design strategies best suited to your industrial environment. Furthermore, my knack for handling migration projects means you can entrust me with devising an effective plan for transitioning your existing network. I am not only meticulous in assessing the current infrastructure but also adept at developing detailed diagrams for better decision-making. Additionally, being prosumer-centric is in my DNA; rest assured I will be cost-effective by leveraging reusable components aptly while providing a complete budget estimation (BOQ). Let me maximize the value of your project by employing all my skills and ensuring its timely delivery-no matter the scale or complexity!

@AZTURK1

Hi there, I understand you need a flat industrial network redesigned into a segmented, production-ready topology and Nozomi/Guardian stack deployed across five sites , my Systems/OT background and hands-on network redesign experience make me a strong fit to deliver a secure, staged migration with minimal production impact. - Site Assessment: full inventory, switch verification, cable/topology validation and risk log for all 5 sites - Network & Cybersecurity Design: hierarchical Core/Distribution/Access diagrams, site-to-site segmentation zones, industrial firewall placement, and Nozomi Guardian/Collector/CMC integration plan - Migration Plan & BOQ: staged migration with rollback procedures, reuse vs replacement list, complete BOQ and budget estimates - Validation & Hardening: staged deploy, post-migration validation, monitoring tuning, and incident-response checklist to minimise downtime Skills: ✅ Network Security ✅ Nozomi Guardian / Collector / CMC ✅ Segmentation strategy & staged migration ✅ Industrial firewall placement & secure inter-site VPN ✅ Hardening checklist, monitoring, and rollback plan Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start soon , Which of the five sites has the strictest uptime or maintenance window constraints, and are there any existing VPN/MPLS links or preferred transport methods for secure inter-site connectivity? Best regards,

@touhidecevw

With over a decade of experience in network and system administration, specializing in industrial networks and OT cybersecurity, I am best equipped to handle your Network Redesign & Cybersecurity Enhancement project. Having earned reputable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH), I've honed a comprehensive skill set including network design using various simulation software and real-life devices like Cisco routers and switches, FTD firewall, Unifi Enterprise Fortress Gateway, Huawei firewalls amongst others. I am also a keen practitioner of security tools like Guardian, Collector, and CMC which are highly relevant to your cybersecurity enhancement goals. Apart from technical expertise, I also bring strategic vision to the table. My ability to propose detailed network diagrams and well-executed migration plans for varying network environments ensures the smooth transition from your existing flat network to the segmented network architecture aligning with OT cybersecurity best practices. Additionally, my proficiency in budgeting for projects will guarantee you a well-planned utilization of your resources obediently aligned with your estimated budget

@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,

@ramygoda1590

Hi there, I am networking expert specialist and consultant for more than 11 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project i will always look for solving your tasks ickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy

@kaindo2017

With a firm footing in network administration, engineering, and security, I am more than qualified to tackle your network redesign and cybersecurity enhancement project. My ten years of experience is characterized by a comprehensive understanding of industrial networks, something that will be invaluable in overhauling your current flat network into a structured and segmented one. In the realm of cybersecurity, I have keenly followed the trends of OT security components like Guardian, Collector, CMC, Nozomi Guardian Analyzer, and Central Manager. This know-how positions me excellently to integrate them seamlessly into your system and implement them effectively to align with best practices. Building on existing OT cybersecurity mechanisms by deploying additional monitoring and analysis tools is a core part of what I do. I understand the importance of minimal disruption during such migration projects and can devise a thorough plan for it. Additionally, as an effective communicator and a detail-oriented individual, you can count on me to deliver comprehensive site assessments, articulate proposed designs with detailed network diagrams, develop a cogent migration plan alongside providing you with a precise, complete bill of quantity for your budgeting requirements. Let's build secure foundations for your industrial environment together! Hire me now for meticulous execution and task mastery.

@Sochi4real

As an seasoned Network Administrator with over 20 years of experience, not only do I have the technical proficiency needed to tackle your network redesign and cybersecurity enhancement project, but I also have the track record to prove it. My extensive knowledge of industrial networks and OT cybersecurity, informed by years in the field, makes me a uniquely qualified candidate for your project. My skillset includes comprehensive Network Administration, Network Engineering, and Network Security -- all skills key to delivering on your project needs. In addition, my experience has provided me a deep understanding of multi-site network design and the nuances that come with it. I will bring this expertise to bear in designing a hierarchical network architecture and structuring the segments with secure interconnections between sites while allowing controlled sharing of selected networks as per your requirements. Let's talk deliverables.

@MADAlphaDesigns

THIS IS NOT THE AUTO BID, PLEASE REVIEW IT IN DETAIL Hello, I’ve reviewed your project and understand you’re looking for an experienced engineer to transform your flat network into a structured, segmented architecture. With over 10 years of specialized experience in network redesign and OT cybersecurity, I can propose a comprehensive solution that includes hierarchical architecture and robust segmentation for secure inter-site communication. I will also ensure the integration of monitoring tools like Nozomi Guardian to enhance your existing cybersecurity measures. I can start with a site assessment within a week to verify your current infrastructure and develop a detailed migration plan, aligning with OT best practices. What specific monitoring and analysis tools are currently in place, and are there any specific compliance standards we should consider during the redesign? Sincerely, Ibad

@maktechnolabsvw

As an experienced Linux Server Admin and Web Security Expert with a rockstar track record of 100% success rate over 35,000 projects, I am confident that my well-rounded skill set would make me the perfect fit for your Network Design and Cybersecurity project. Having navigated complex web security issues throughout my career, I am well-versed in defending against cyber threats—a fundamental aspect of your project. My mastery of Imunify360, WHM, Cpanel, VestaCP, Linode, Digital Ocean enables me to handle every task with precision and accordance to best practices. Moreover, I bring over a decade of experience in end-to-end network management which makes me uniquely qualified to handle the redesign and migration aspects of this project. Combining my deep understanding of layered network architectures with my previous work in industrial environments means I can design a customized hierarchical network that maintains industry-specific safety standards while promoting controlled data sharing amongst sites. Overall, partnering with me guarantees not only top-notch deliverables but also the peace of mind that comes from working with an experienced hand who's adept at handling possible weekend or emergency situations. Let's turn your vision into an optimized reality!

@ahmedfikrey

​I am writing to express my interest in your Network and OT Cybersecurity project. With a background in securing Industrial Control Systems (ICS) and SCADA environments, I understand that in the OT world, availability and safety are just as critical as confidentiality. I specialize in creating robust security architectures that protect physical assets without disrupting production uptime.