John Gillespie

Background

About John Gillespie

About me - Ambitious, strongly motivated individual with keen interest in Cyber Security; a driven professional Analytical person with meticulous attention to detail; a true perfectionist Experience - 2 Years Cyber Security focused on Detection and Response, Incident Management and Network Security Engineering. 2 Years Networking focused on DNS, F5 load Balancing and Firewall management 3 years in IT Administration and troubleshooting for multiple web client booking portals 6.5 years Customer Service experience (B2B / B2C) has enhanced my communication skills, ability to manage client’s expectations and build rapport. Professional - Personally remediated 4510+ time sensitive network security vulnerabilities ensuring company PCI security & compliance. Proposed security improvement & presentation to senior level management on web security gap which became main cyber security project and significantly increased security posture. Project managed security review of SSL bypass configurations subsequently removing 22% of entries and implemented a new process for quarterly reviews. Effective Team player ensuring SOC tool coverage and reporting across the estate for EDR capabilities helping to achieve the business goal of 99.5% coverage rate. Heavily simplified the company severity matrix and removed 77.28% of possible options significantly increasing effectiveness Drove defensive capabilities and awareness by running tabletops to test response procedures, creating detailed incident reports, hosting lessons learned to identify security and process gaps Created runbooks, playbooks and process improvement plans including tuning and creating new alerts for optimal outcomes. Successfully project managed & directed all DNS changes for fortune 70 company for, “the most comprehensive and complex exercise our organization has led in almost a decade,” with 100% success rate! Proven leadership in ITIL Principles and Change management directly supporting team exceed business goals of 99.8% successful implementation including across critical infrastructure changes. 🤝 Experienced in team leadership taking on additional responsibilities, training colleagues, standardised and enhanced processes (SOP’s) and promoted cross-functionality within team. Personal - Nov 2023 - Cisco Certified Cyber Security Operations Associate (CBROPS) Aug 2023 - Rise Above International Alumni Award Winner (Cisco)- from international pool Jun 2023 - CCNA Intro to Network (Routing and Switching) with Distinction*