Alexander Costello
About Alexander Costello
Alexander Costello is a Security Engineer E2 at Nationwide Building Society, where he manages network infrastructure and conducts Cyber Essentials Plus assessments. He has previous experience as a Penetration Tester and Implementation Technician, and he is currently pursuing a BSc in Games Software Development at Sheffield Hallam University.
Work at Nationwide Building Society
Alexander Costello has been employed at Nationwide Building Society as a Security Engineer E2 since 2021. In this role, he operates remotely and is responsible for acting as a system administrator for the internal company network. His duties include managing and maintaining the network infrastructure, ensuring its reliability and security. Additionally, he conducts Cyber Essentials Plus assessments for clients, which helps ensure compliance with established security standards.
Previous Experience in Cybersecurity
Before joining Nationwide Building Society, Alexander worked at Falanx Cyber as a Penetration Tester from 2020 to 2021. During his time there, he was based in Brighton, United Kingdom, and contributed to the cybersecurity field by designing challenge boxes for training exercises. He also held the position of Implementation Technician at Computer & Network Consultants Ltd from 2018 to 2020 and served as a Technical Consultant at Overline Network Consultants Ltd for 11 months in 2017 to 2018.
Education and Expertise
Alexander is currently studying at Sheffield Hallam University, pursuing a BSc in Games Software Development, although he has not yet completed the degree. His educational background includes studying Biology at St. Ambrose College, Hale, where he achieved a general qualification in the subject from 1999 to 2006. His ongoing education and prior experiences contribute to his expertise in cybersecurity and network management.
Contributions to Cybersecurity Training
In his current role and previous positions, Alexander has focused on enhancing the learning experience for peers by designing challenge boxes for training exercises. This initiative reflects his commitment to improving cybersecurity training and knowledge sharing among colleagues. He also researches and demonstrates new tools for engagements, which keeps him updated with the latest advancements in cybersecurity technology.
Operational Improvements and Process Development
Alexander has a track record of developing more efficient processes within organizations. His contributions have led to operational improvements, demonstrating his ability to enhance workflows and systems. This focus on efficiency is evident in his roles, where he has consistently sought to optimize processes and improve overall performance.