Network Infrastructure PenTest

@geologistt

With over a decade of experience, I bring a unique blend of academic discipline and practical expertise to your crucial penetration testing endeavor. Undoubtedly, you need an accomplished professional who can not only identify vulnerabilities within your network infrastructure but also challenge your incident response playbook and recommend effective improvements - and that's precisely what I have been doing for my clients throughout my career. My proficiency in offensive security tools aligns perfectly with your project requirements. Having successfully conducted similar tests involving Cisco-class routers and layer-3 switches while probing Wi-Fi networks, I am confident in my ability to pressure-test your system while taking care not to tip off your responders. Rest assured that I will conduct accurate time-stamped logging of every action, ensuring that we have ample data to replay the events beyond our engagement period. Another point of distinction is my holistic approach and insistence on being detail-oriented. Alongside delivering comprehensive reports mapping findings to MITRE ATT&CK techniques, I commit to delivering every exploit’s proof-of-concept code or packet captures for critical issues. Plus, as a remote freelancer well-versed in local laws and committed to adherence, I ensure full compliance with your change-control policy as well as maintain high security protocols over the VPN access you provide.

@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,

@Armeed300

Hi, i have vast experience in Devsecops field, i can configure edge, core and access level device with any networking vender. if you require my service send me message to discuss further regarding your project. Certified: CEH practical

@engineersherif22

Hello, I hope this finds you well, I have extensive hands-on experience conducting network infrastructure penetration tests and red-team style security assessments for enterprise environments, and I am confident that my expertise aligns perfectly with your requirements. I have performed assessments against firewalls, Cisco routers and Layer-3 switches, enterprise wireless networks, and segmented infrastructures using industry-standard tools such as Kali Linux, Nmap, Metasploit, Wireshark, Burp Suite, and other offensive security frameworks. My approach goes beyond identifying vulnerabilities, I focus on emulating realistic attack scenarios to evaluate detection, containment, and incident response capabilities while maintaining detailed, time-synchronized logs for complete replay and analysis. I will provide a comprehensive pre-engagement test plan with clear Rules of Engagement, execute the assessment within the agreed attack window while coordinating with your designated point of contact, and deliver a detailed report mapping all findings to the MITRE ATT&CK framework, including reproducible proof-of-concept evidence, packet captures where applicable, prioritized remediation recommendations, and improvements for monitoring, alerting, and response processes. I am available to start immediately, can adapt to your schedule, and would be happy to discuss the engagement in detail right away. Best Regards, Sherif Salah-EL-Din, Penetration Testing Engineer

@shaxzodj

Hello Boss A questions: Which firewall vendors are in scope (Cisco ASA/Firepower, Fortinet, Palo Alto, Check Point, etc.)? Will VPN access provide both internal network and Wi-Fi testing access, or will a remote wireless bridge be available? I'm ready to start as soon as we finalize the ROE and testing window.

@weiyi3

I understand you need a controlled red-team network assessment to test firewalls, routers, switches, Wi-Fi, and your incident response with full MITRE ATT&CK mapping and detailed reporting. I can execute the engagement within the agreed scope, maintain timestamped logs, document every finding, and provide clear remediation guidance after the assessment. I’m sure I can deliver a perfect result as your wanna. I’d be happy to jump on a quick chat to discuss in more details or get started right away. Looking forward to hearing from you!

@EthanKCK

Ethan here, From South Africa. I've read through your project and I'm definitely interested in assisting you. Your primary objective is to pressure-test your incident-response playbook while simulating real-world attacks against your network infrastructure. To tackle this, I’d start by creating a detailed pre-engagement test plan that outlines the rules of engagement and safety protocols. During the live attack window, I’d focus on exploiting misconfigurations in your Cisco routers and switches, keeping everything logged for post-event analysis. What you truly need goes beyond identifying vulnerabilities; it’s about ensuring your team can effectively respond to incidents. I'm ready to get started and help you strengthen your security posture. Kind regards, Ethan

@riyaazt

Hi there. This is an interesting project. Before anything else, one area I'd pay particularly close attention to is the engagement window and coordination with your blue team, as effective communication there can significantly impact the incident response evaluation. Your focus on simulating real-world attacks against the firewalls, routers, and wireless networks is crucial. I have experience in conducting similar penetration tests that not only identified vulnerabilities but also assessed incident response capabilities, ensuring teams are well-prepared. To maximize the effectiveness of the test, it’s essential to clarify any specific scenarios or attack vectors you’d like to prioritize. This will help tailor the approach and ensure comprehensive coverage. Looking forward to engaging. Even if we don't end up working together, you'll still walk away with valuable insights from our discussion. Regards, Riyaaz

@sidneypepo

Hello. I know technical details should be covered in private and after the NDA, but I have a question before applying: how should this assessment be conducted in terms of deadlines, environment awareness (black/gray/white box) and evaluation limits? Thanks in advance! PS: my Freelancer account was inactive for the past 5 years, so this explains why I don't have any previous jobs/experience from here

@ericam049

With exactly the kind of advanced network penetration testing specified in your project - my experience and skills put me in an ideal position to execute it. Taking a systematic and meticulous approach, I've effectively provided secure service solutions for several companies. This includes managing firewalls and exploiting vulnerabilities in Cisco routers and layer-3 switches all while probing corporate and Wi-Fi environments, conducting assessments and more. These experiences coupled with hands-on testing methodologies and a deep understanding of cybersecurity techniques as per MITRE ATT&CK framework makes me well-equipped for this task. Particularly, my proficiency in Kali Linux - a customary offensive security toolset you've mentioned - Nmap, Metasploit, Wireshark, amongst others will allow me to navigate your network smoothly guaranteeing zero commercial license limitations. Given that you're looking for extensive logging of each and every action conducted during the test, my record keeping and reporting skills will always provide you with accurate and detailed time-stamped logs for future evaluation purposes.

@WinYanNaingHtunt

With over 5 years of experience as a Full Stack Developer, I have amassed a diverse toolkit of programming languages and development skills, which include proficient network administration. I understand the critical importance of strong infrastructure security and have a keen eye for minute vulnerabilities that could lead to potential exploit. My dedication ensures that not only will I perform a comprehensive penetration test to find any weaknesses within your firewalls, routers, switches, and wireless networks but I will also carefully simulate real-world attacks without tipping off your blue team. I take great pride in delivering high-performance applications and believe this applies to penetration testing as well. Not only would I provide you a detailed report of any attack paths and exploited weaknesses discovered during the exercise, but I would also map them to MITRE ATT&CK techniques. In addition, I would recommend tooling, alerting, and process improvements based on my findings. Alongside the deliverables, I’d be available for a post-mortem call to walk your team through the discoveries and address any technical questions.

@razah57

A successful penetration test goes beyond finding vulnerabilities. It validates how well your security team detects, responds to, and contains real world attack scenarios. I can conduct a structured red team style network assessment focused on your firewalls, routers, switches, and enterprise wireless environment while following agreed rules of engagement and maintaining detailed time synchronized logs throughout the exercise. The engagement will include a pre assessment test plan, controlled attack execution, MITRE ATT&CK mapping, reproducible findings, packet captures where appropriate, and a comprehensive report with prioritized remediation recommendations. I will also provide a post engagement walkthrough to explain every finding and answer technical questions, ensuring your team gains practical value from the assessment. I work with industry standard security tools and follow a methodical approach that emphasizes safety, documentation, and actionable results while respecting your change control policies and authorized testing scope. Will this assessment cover a single site or multiple network locations connected through the VPN? I have a few ideas that can make the incident response evaluation even more valuable. I look forward to helping strengthen your security posture through a professional and well documented assessment.