Enterprise Network Restructure and Optimization

@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

@geologistt

As the founder of A2Z Research Consultants and a 5-star cybersecurity expert, I'm equipped with robust skills that make your critical network restructuring project fall firmly within my wheelhouse. My approach to your network redesign is rooted in thorough research, strengthened by an emphasis on security, and driven by a commitment to automation and streamlining processes firmly aligned with your objectives. Our project experience spans not only from academic and research writing but also to successful cybersecurity engagements for large-scale multinationals. Our experience will ensure that we leave no stone unturned in evaluating your current network landscape, identifying bottlenecks, and implementing a pragmatic architectural proposal that paves the way for tight security, improved performance, and future scalability. With my proficiency in crucial tools like Cisco IOS-XE/ASA, Juniper edge devices, VLAN segmentation, OSPF/BGP routing, and standard IPS/IDS platforms, I will be able to hit the ground running with minimal hand-holding. I can promise you comprehensive deliverables ranging from a complete network audit report to thoroughly tested routers, switches, and firewalls in production. Furthermore, my team at A2Z Research Consultants will ensure a smooth transition even as we limit downtime.

@farooqtahir2013

Drawing from over a decade of experience as a respected network engineer, I have not just a thorough understanding but also extensive hands-on dexterity with Cisco IOS-XE/ASA, Juniper edge devices, VLAN segmentation, OSPF/BGP routing, and standard IPS/IDS platforms. A significant part of my expertise involves network architecture proposition, restructuring and implementation with an emphasis on enhancing security and performance while facilitating scalability with minimal downtime - the exact needs your project has. Throughout my career, I've been entrusted with large-scale and critical enterprise projects - not dissimilar to what you require. I specialize in providing comprehensive solutions from auditing and optimized architecture designs to staged migration plans guaranteeing smooth transitions. My fluency extends to deploying fully configured and tested routers, switches, and firewalls that meet the highest industry standards. My previous clients have benefiiçed from my game-plan which involves knowledge transfer sessions empowering internal teams matched with meticulous documentation for future reference. Going by these credentials and my reputation built on commitment to meeting 15-minute SLAs during cutoever along showcasing upto-tier result benchmark improvements, I am resolute that I am uniquely positioned to deliver everything on your key deliverables and acceptance criteria list.

@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 Computer Security, Technical Writing, Cisco, Network Administration, Documentation, Network Security, Network Engineering, Juniper 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.     

@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

@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,

@SkillCrafts

I understand you're undertaking a critical enterprise network restructure, aiming for enhanced security, performance, and scalability. My experience aligns directly with this challenge; I've successfully led similar overhauls for organizations facing aging infrastructure, implementing strategic upgrades that yielded a 25% improvement in data throughput and a significant reduction in network-related incident tickets, mirroring your objectives. My approach will involve a phased methodology beginning with a comprehensive audit of your Cisco IOS-XE/ASA and Juniper edge devices. I’ll leverage network analysis tools like Wireshark for deep packet inspection and configuration analysis, alongside SolarWinds for performance monitoring. Based on this data, I’ll develop a pragmatic architectural proposal, prioritizing security hardening through micro-segmentation and next-gen firewall policies, and performance optimization via QoS and traffic shaping. Implementation will be meticulously planned with phased rollouts and robust rollback strategies to ensure minimal disruption. To best tailor the solution, could you elaborate on your current monitoring and logging infrastructure? Also, what are the primary applications or services that experience the most significant performance bottlenecks today? I’m eager to discuss how my expertise can translate into a robust and future-proof network for your enterprise.

@ahmaddar2970

I will conduct a comprehensive audit of your existing network, leveraging deep expertise with Cisco IOS-XE/ASA and Juniper devices. By designing detailed high-level and low-level diagrams, I ensure alignment with your scalability and security goals. My approach includes staged migration planning with rollback steps, minimizing downtime. Proven experience in network optimization ensures performance and security improvements, supporting future growth. A thorough validation process post-deployment guarantees the desired benchmarks are met. I’ll also facilitate knowledge transfer to your internal team, ensuring sustainable management. My background in network engineering and documentation aligns perfectly with your project needs, promising a seamless overhaul.

@eshmumkhan

Hello. I am a senior network engineer with extensive experience in enterprise network design, security hardening, and large-scale migrations across Cisco and Juniper environments. I understand you need a complete network overhaul to tighten security, boost performance, and ensure scalable growth. My approach starts with a comprehensive audit of your ageing routers, switches, and firewalls to identify bottlenecks and security gaps. I will then produce detailed high-level and low-level design documents with diagrams, IP plans, and firewall rule matrices. For implementation, I will create a staged migration plan with clear rollback steps to minimize downtime, then configure and test all devices in production. Post-deployment, I will deliver validation results covering performance benchmarks, penetration-test findings, and capacity projections, plus knowledge-transfer sessions for your team. I have successfully delivered a full network redesign for a financial firm with two hundred locations, reducing latency by thirty percent with zero unplanned outages, and a security hardening project for a healthcare provider. My timeline is one week for audit and design, two weeks for staged implementation, and one week for validation and handover. I am ready to start immediately. I look forward to collaborating. Best Regards.

@Shonali1406

Hello, I’m a Network Engineer with 10+ years of experience designing, securing, and migrating enterprise networks for large-scale environments. I have extensive expertise with Cisco IOS-XE/ASA, Juniper devices, OSPF, BGP, VLAN segmentation, IPS/IDS, firewall management, and enterprise network security. My focus is delivering secure, high-performance, and scalable infrastructure with minimal downtime. I will deliver: Comprehensive network audit and security assessment High-Level & Low-Level Design (HLD/LLD) with diagrams and IP plans Firewall rule review and RBAC implementation Staged migration plan with rollback procedures Router, switch, and firewall configuration, testing, and deployment Performance validation, security testing, and capacity planning Complete documentation and knowledge transfer I have successfully completed enterprise network modernization projects while meeting strict SLA and security requirements. Let's connect and discuss your project in detail.

@FaisalKholis

Hello, I’m interested in helping with your network redesign project. I work together with a small technical team that includes Network Engineers, Network Security Engineers, and System Engineers. With that setup, we can cover everything from audit and planning all the way to implementation and validation. From my side, I usually take the lead in coordinating the work, making sure the process is structured, and keeping communication clear. We’re used to handling troubleshooting, VLAN setups, routing environments, and supporting infrastructure changes, so we’re comfortable working through complex network improvements step by step. Our approach would be to start with a proper audit, identify the main bottlenecks and risks, then move into a practical design and a staged migration plan to avoid unnecessary downtime. One quick question — would this project be handled fully remotely, or do you expect onsite support at any stage? Happy to discuss further.

@chiragg177

I've Experience at Auditing and Restructuring Networks at my current organization. I'm great at managing it and will be a good fit.

@MDuj0n

INTRO I would like the opportunity to help you achieve a great outcome by delivering a solution that improves your enterprise network's security, performance, and scalability. I'd be happy to help you achieve the same result with a solution tailored to your goals and business needs. MIDDLE I noticed you're looking for a clean, professional, and user-friendly solution with a strong focus on tightening security and boosting performance. My experience includes network audits, design, and implementation with Cisco IOS-XE/ASA, Juniper devices, VLAN segmentation, OSPF/BGP routing, and IPS/IDS platforms. OUTRO Let's have a chat! I'd love to learn more about your project; the worst that can happen is you walk away with a free consultation. Regards, MDuj0n.

@tellwil

CCIE Service Provider with over 15 years of experience designing, implementing, and supporting enterprise and service provider network infrastructures across the Americas. Strong expertise in Routing & Switching, MPLS, SD-WAN, Cisco ACI, and Data Center technologies, complemented by hands-on experience in network automation using Python, Ansible, Terraform, Docker, and AI-assisted workflows.

@ahmedaaalnaasan

With our extensive background in the field of technology and profound understanding of network architecture, we are the best fit for your Enterprise Network Restructure project. We have a complete command over all the tools in your stack, including Cisco IOS-XE/ASA, Juniper edge devices, VLAN segmentation, OSPF/BGP routing, and standard IPS/IDS platforms. Our fluency combined with eight years of industry experience means we can skillfully identify bottlenecks, plug security gaps, and design a sustainable network that can scale with ease. Throughout our projects, we have always sought to deliver beyond expectations by providing detailed high-level and low-level design documents. Your project will be no exception. We will also ensure a staged migration plan with clearly defined rollback steps so that the transition is smooth and any impact on your operations is minimized. What sets us apart is not just our expertise but also our commitment to customer satisfaction. We aim to not only meet but exceed the SLAs of our clients' projects. To this end, we promise you latency and throughput improvements measured against current baselines, a segmented solution with role-based access controls affecting critical trafficünk-directity minimum-operatedposites-apr-onderSLAifingcessionedthe-than

@anasm788

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@professional0292

I have extensive experience designing and upgrading enterprise networks with Cisco, Juniper, OSPF/BGP, VLANs, and firewall security. I'll perform a complete network audit, create a scalable architecture, and execute a phased migration with minimal downtime. My focus is on improving performance, strengthening security, and ensuring future scalability. Complete documentation, testing, rollback planning, and knowledge transfer are included. I'm ready to start immediately and deliver a reliable, production-ready solution.