Peter O.

Experienced and results-driven Penetration tester/Cybersecurity Engineer with over 8 years of industry expertise. Proficient in orchestrating and executing comprehensive solutions, specialising in web application, mobile application, and network penetration testing. OSCP certified (Offensive Security Certified Professional), demonstrating mastery in offensive security techniques and strategies to enhance your cybersecurity framework. Licenses & Certifications CREST Registered Tester (CREST CRT): ☑ Offensive Security Certified Professional (OSCP): ☑ EC-Council Certified Security Analyst: Penetration Testing (ECSA): ☑ Cisco Certified Network Associate Routing and Switching (CCNA): ☑ Cisco Certified Network Associate Security (CCNA): ☑ CompTIA A+: ☑ CompTIA Network+: ☑ Microsoft Certified Technology Specialist (MCTS): ☑ Palo Alto Certified Network Security Engineer (PCNSE): ☑ Experience Penetration Tester Falanx Cyber, Reading, England (November 2021 - Present) Performed manual penetration testing, both internally and externally Delivered various security penetration testing assessments to a variety of clients in different industries Performed formal and comprehensive application and infrastructure penetration testing assessments, following industry best practices Performed vulnerability assessments and provided findings with remediation actions Cyber Security Consultant Tata Consultancy Services, London, England (September 2020 - November 2021) Palo Alto Firewall Security projects Palo Alto Cortex XDR host firewall management Performed manual penetration testing, both internally and externally Conducted log analysis Delivered various security penetration testing assessments to a variety of clients in different industries Performed formal and comprehensive application and infrastructure penetration testing assessments, following industry best practices Performed vulnerability assessments and provided findings with remediation actions Endpoint device security implementation Responsible for creating network changes and liaising with the appropriate team for smooth delivery of the changes Responsible for evaluating & troubleshooting the current Firewall rules on Palo Alto Firewalls as per Server Team requirement Technical/Security Analyst The Coop, Manchester, United Kingdom (October 2015 - September 2020) Performed web application and network penetration tests Analyzed security test results, concluded from results, and developed targeted testing as deemed necessary Analysis of Wireshark output to identify suspicious traffics Performed physical security reviews of networks, servers, and other network devices Performed logical security control Knowledge of cloud-based environments (Azure) Performed penetration tests on computer systems, networks, and application Created new testing methods to identify vulnerabilities Responsible for day-to-day maintenance, Proactive and reactive support of Enterprise network Responsible for evaluating & troubleshoot the current Firewall rules on Cisco ASA, Check Point & Palo Alto Firewalls as per Server Team requirement Responsible for upgrading the networking and security device to the latest OS Responsible for creating network changes and liaising with the appropriate team for smooth delivery of the changes Responsible for day-to-day changes on the Cisco ASA, Check Point, and Palo Alto Firewalls in different Data Centers Creating, Troubleshooting Security policy / NAT on the Cisco ASA, Check Point and Palo Alto, Security Devices Provide aftercare for prepared/executed changes to get a desirable outcome Assist in change execution in maintenance window using the service now Tools Responsible for, installing, and supporting LANs, WANs, network segments, Internet, and intranet systems Monitor networks via Solar winds to ensure security and availability to specific networks node Determine network and system requirements Maintain the integrity of the network, server deployment, and security Ensure network connectivity throughout a company LAN/WAN infrastructure is on par with technical considerations Key Skills Penetration testing Vulnerability management Vulnerability assessment Network testing Active directory testing OWASP Top 10 API security Cloud security Incident response Risk assessment Compliance Security awareness training Threat modeling Security research Ethical hacking