Summary

Veteran in Infrastructure and Networking; experienced in Security Engineering, DevOps and Small Business Management. Difficult technical challenges are what get me out of bed in the morning. I enjoy working through stack traces, network packet dumps and tracing through code execution like your average puzzle addict loves solving crosswords. I also love improving things, especially with automation or otherwise simplifying processes.

Japanese Language JLPT N1 certified 日本語能力試験N1認定者🇬🇧➡︎🇯🇵

Work Experience

Security Engineer

Cheetah Digital Japan
2019 - Present

Moved to Infosec to help with EDR solution onboarding and TLS 1.2 switchover project. Heavily involved in the securing of existing and new AWS environments. Also assisted with technical topics brought up during ISMS/PrivacyMark audits and frequently bridged between Japan and Global to ascertain further required details. Everyday work involved monitoring, responding to detections/incidents, vulnerability management/patching and change control.

Technologies and skills used/acquired:

  • Linux
  • Windows Server
  • AWS
  • Networking
  • CrowdStrike
  • Qualys
  • Whitehat
  • Python
  • Bash
  • WAF
  • DLP
  • TLS
  • PKI

Internal IT Japan Team Lead

Experian / Cheetah Digital Japan
2018 - 2019

Handled the roll-out of a brand new IT environment for the Japan region. While working with the wider global IT organisation, I would support each and every employee in Japan. After around 1 year in the role, I finished the replacement of approx 250 laptops with a completely new IT stack (moved from on-prem corporate IT to Okta/G-Suite). Also completely replaced legacy networks in Tokyo and Niigata offices with an entirely new network. The Tokyo office was moved to another building shortly after, and I co-ordinated the shift of the entire network and ISP circuits to occur over the weekend and complete just in time for the open of the new office on following Monday. To assist with everyday support, I recruited and managed a small, efficient team of 3 and reported to the APAC IT Manager.

Technologies and skills used/acquired:

  • Windows
  • MacOS
  • Okta
  • G-Suite
  • Slack
  • Zoom
  • Salesforce
  • Cisco Meraki
  • VoIP

DevOps Engineer

Experian / Cheetah Digital Japan
2017 - 2018

As part of a new project being built on AWS, I assisted in building a new CI/CD environment for initial use with a new project and with a view to bring all other existing development projects into the CI/CD environment. Deployed the CI tool Concourse and set up a fully automated development pipeline that tested, built and deployed web services to AWS. During this time, Experian sold its marketing division to become Cheetah Digital, which I was a part of. As a result of this divestment, product development in Japan was ceased. The VP of Internal IT then asked me to join them to help them stand up a new IT org for Cheetah Digital.

Technologies and skills used/acquired:

  • Linux
  • AWS
  • Python
  • Ruby
  • Bash
  • Concourse CI
  • Docker
  • JSON
  • PKI
  • SQL

Senior Technical Analyst

Experian UK
2015 - 2017

Supported an array of bespoke applications, providing payment services and consumer credit information to a very significant portion of the UK's businesses. Co-ordinated the response to patching two severe PCI vulnerabilities on the production hosted services. Was the go-to escalation point for any technical issue that could not be resolved and handled other routine 3rd line issues. Learned a lot about corporate environments and processes, and a lot of specialist knowledge of the payment systems in the UK and the EU.

Technologies and skills used/acquired:

  • Windows Server
  • Linux
  • ASP (C#)
  • Java
  • XML (SOAP)
  • Bash
  • Java
  • PCI-DSS
  • RHEL
  • WAF

Senior Support Engineer

Appliansys
2014 - 2015

Pre and post sales engineer supporting a wide range of bespoke custom server appliances, including Web Caching, DNS and IPAM/DDI appliances.

Technologies and skills used/acquired:

  • Linux
  • Python
  • Squid
  • DNS (Bind)
  • IPAM
  • DDI
  • IPAM

Owner(Self-employed)

Exoware
2008 - 2014

Web hosting and virtual server business. Performed all business tasks. General admin, system admin (Linux), billing/finance/tax, compliance, customer/technical support, marketing and so forth. Sold in 2014.

Technologies and skills used/acquired:

  • Linux
  • PHP
  • CentOS
  • Debian
  • Xen
  • KVM
  • Apache
  • Nginx
  • Dovecot/Postfix
  • MySQL/PostgreSQL
  • Bash
  • SQL
  • IPv6
  • DNS (Bind)
  • DNSSEC
  • DKIM
  • TLS/PKI
  • PCI-DSS
  • Javascript
  • HTML/CSS

Skills & Tools

Infrastructure

  • Linux
  • Networking
  • Apache/Nginx
  • MySQL/MariaDB
  • PostgreSQL
  • Dovecot/Postfix
  • DKIM/SPF
  • AWS
  • CI (Jenkins, Concourse etc)
  • KVM/Xen Virt
  • Storage (ZFS, iSCSI etc)
  • VoIP (SIP/RSTP)
  • Docker
  • PKI (x509/PGP etc)

Programming

  • Bash
  • Python
  • Python Machine Learning (FastAI)
  • Go
  • C#
  • Java
  • Javascript
  • HTML/CSS
  • SQL

Others

  • CentOS
  • RHEL
  • Git
  • Ansible
  • Various backup solutions
  • Cryptography
  • IPv4/6
  • TCP/UDP/QUIC
  • Various VPN solutions
  • OpenSSL/BoringSSL
  • DLP/EDR solutions
  • GDPR, PCI-DSS, ISO-27001, PrivacyMark
  • Budgeting, forecasting, ROI, TCO, EBIT etc

Language

  • English (Native)
  • Japanese (Fluent/Business)

Interests

  • Languages (Korean, Mandarin)
  • Machine Learning
  • Travelling
  • Games