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Douglas Clarke
Cyber Security & IT Professional

Highly-skilled and diverse cyber security minded team leader / systems administrator / web developer & digital marketer offering over 20 years of professional experience in a wide variety of technical and leadership roles. A dedicated employee and proven leader that specializes in cyber security and cloud based solutions, Linux, MacOS and Windows-based environments. Demonstrates continual proficiency for maintaining optimal performance while utilizing extensive knowledge of system operations to implement process improvements. Seeking to make an immediate contribution in a challenging new environment and maintain a reputation based on creativity, professionalism, and uncompromising ethics. Recently achieved certification in Cyber Security Fundamentals as well as Advanced Cyber Security at York University School of Continuing Studies.


  • Automation using Ansible and Terraform in various on-prem and cloud based environments.
  • Experienced with Debian, Ubuntu, RedHat, CentOS, Alpine, Kali and other Linux variants, as well as MacOS and Windows-based environments.
  • Web hosting technologies, Nginx, Apache, HAProxy, PHP-FPM, MariaDB/MySQL, TLS/SSL, BiND
  • Container technologies Podman / Docker, LXD / LXC.
  • Cyber security.
  • Proficient in vulnerability and risk assessment.
  • Security scanning, penetration testing using NMap, Metasploit, BurpSuite, ZAP, proxy chaining.
  • Vulnerability remediation and patch management.
  • Up to date on OWASP and various NIST and ISO publications and standards pertaining to cyber security.
  • Advocate of cyber security training and awareness programs.


Keeping up with technology and current cyber security threats and trends. Teaching my daughters to play guitar and getting in a little practice time myself. Hitting dingers on the softball diamond and “geeking out” with friends over the latest games, consoles, devices and music. Adventerous bike rides or a round of golf with my son and sharing all of this as well as ejoying every last free moment we can find with my amazing wife.


Bell Canada - Contractor for Automation SME
November 2021 - Present

  • Develop CI / CD pipelines using Red Hat OpenShift and Google Cloud Build.
  • Automated firewall scanning solutions for GCP using NMAP.
  • Work with the portal development team to automate self service resource deployments.
  • Provide production support for the Ansible Automation Platform.
  • Work with various networking, operations teams and cloud architects to develop, secure and deploy Google Cloud Platform resources.
  • Implement code linting, validation and analysis tools for secure Infrastructure as Code with Terraform.
  • Developed a web based front-door application for onboarding new organizational units to Ansible Automaion Platform.

Doug Clarke - Cyber Security & IT Contractor
2019 - November 2021

  • Cyber security, vulnerability assessments and remediation solutions.
  • Business continuity and disaster recovery planning.
  • Security scanning and penetration testing with tools such as Snyk, ZAP and Metasploit.
  • Custom built infrastructure and security implementations to provide enterprise grade business features using AWS Cloud, DigitalOcean, Google Cloud.
  • Containerized applications using Alpine Linux or RedHat UBI.
  • CI / CD workflows using custom scripts, git and GitHub actions.
  • Automation solutions using Ansible, BASH|ASH|ZSH, PHP, Node and Python.
  • Custom Laravel PHP / VueJS application and web development.
  • Caching systems to improve response times using Redis.
  • Customized WordPress, WooCommerce e-commerce platforms.
  • Digital marketing automation with SendInBlue, SendGrid, Mail Chimp.
  • IT operations and management consulting.

Instant Marketing Systems - IT Director / Manager
2007 - DECEMBER 2018

  • Managed the confluence of marketing & sales teams, design teams, project managers, quality assurance and client services.
  • Technical design and implementation of multi-channel, multi-step automated digital marketing systems and campaigns for various clients of various niche markets.
  • Performed various performance, compliance and best practice audits on customer websites.
  • Deploy and maintain commercial PHP Wordpress based websites and e-commerce solutions with development / staging / production environments using Ubuntu / Debian VPS hosted with DIgitalOcean.
  • Designed development infrastructure pipeline using Vagrant on VirtualBox.
  • Built and maintained a Linux based SSH bastion host to secure access to the infrastructure.
  • Deployed and maintained all of the businesses core, commercial, development and custom Linux VPS hosting systems. Including MariaDB/MySQL database servers, Nginx web and proxy servers, and various open source CRM solutions such as SugarCRM
  • Developed and maintained a custom built client management and marketing solution using PHP, NodeJS and integrating several web APIs for extended functionality.
  • Bind DNS, iptables based firewalls and file and database backup management for the business and the client systems.
  • Managed bare-metal systems hosted on CentOS with IBM SoftLayer and eventually performed a migration to Ubuntu DigitalOcean Cloud VPS systems resulting in tripling the capacity at a fraction of the operational cost (OPEX).
  • Setup and administered the company e-mail and cloud infrastructure including RingCentral phone system, Google Apps for Business (G-Suite), Authorized Google Business G-Suite Reseller and Google Cloud accounts for business development using Google Apps APIs.
  • Worked with several marketing, messaging and automation platforms such as IFTTT, Zapier, InfusionSoft, SendInBlue, AWeber, Constant Contact, MailChimp and many more.
  • Received official InfusionSoft training at InfusionSoft University Course in Toronto, 2015.

Noizex - IT Contractor / Freelance
2004 - 2006

  • Frontend development: XHTML, CSS, JavaScript, DOM and Flash.
  • Backend development: PHP, and ColdFusion.
  • E-mail campaign design and implementation solutions.
  • Provide LAMP web and e-mail hosting services on dedicated systems: RedHat, Apache, MySQL, PHP and Exim.

Infinet Communications - System Administrator

  • Built RedHat Linux web servers and deployed the hardware at the Q9 data center in Toronto.
  • Deployed development projects and worked with QA teams to ensure project stability.
  • Performing maintenance of Apache web servers, sendmail SMTP servers

Look Communications - Network Security & Abuse Manager
2001 - 2003

  • Managed an ISP network security, abuse and extended support team with employees providing 24 / 7 / 365 abuse monitoring and e-mail support from multiple locations around the Greater Toronto Area.
  • Worked with call center managers in the head office to provide efficient, effective and timely support solutions.
  • Utilize access to various core Cisco and 3Com routers, Bridgewater radius / authentication and Linux log servers to manage system abuse issues.
  • Work with the internal legal department and the RCMP to obtain information in regards to severe network abuse issues.
  • Liaison with the RCMP on their investigation of Mafiaboy.

Internet Direct - Technical Support Specialist

  • Senior e-mail technical support team.
  • Senior residential technical phone support covering dial up Internet support, e-mail, newsgroup and proxy configurations and IRC related issues.
  • Corporate technical phone support covering ISDN / network connection issues, commercial website / e-mail hosting issues.


York University School of Continuing Studies

  • Cyber Security Fundamentals
  • Advanced Cyber Security


York University School of Continuing Studies 2019 - 2020

  • Cyber Security CSCY 1000-1050

Recently completed courses:

  • VMWare NSX-T Fundamentals
  • Mastering Terraform
  • AWS Security Essentials
  • NMAP vulnerability scanning and penetration testing
  • Linux kernel tuning

Sinclair Secondary School 1998

  • OSSD Graduate
  • OSSD Business Diploma