About


Information Security & IT Infrastructure

Experienced Senior leader with a demonstrated history of "Getting the job done" in a competitive InfoSec and IT industry. Skilled in leading a diverse team of engineers and operators, but not afraid to get his hands dirty in systems engineering and project management.


  • IT Infra: Okta, Google Workspace, Slack, Jamf, O365
  • Cloud Infra: AWS, Azure, GCP, GitHub Actions, Terraform, CircleCI, Atlantis, Docker
  • Client Platform Engineering: Jamf Pro, Workspace ONE
  • Networking pfSense, Ubiquiti, Cisco Meraki, Various Next Gen VPNs
  • Documentation: Jira, Confluence, Halp, Stack Overflow
  • Security: TugBoat Logic, Veracode, Snyk, HackerOne, Splunk, Tines

Years of Experience

Million Dolloars IT Budget Managed

Engineers Under Management

Projects Delivered

Qualifications


  • York University: Computer Science
  • Humber College: Music Performance
  • AWS Solutions Architect
  • Jamf 200, 300, 400
  • ITIL Foundation V3
  • CCNA, MCSE

Career Highlights

Entrepreneurship:

Built out a lean team of ITSM driven InfoSec/IT department which consists of DevOps, AppSec, GRC, IT, and SOC.

Partnership

Performed security/technical due diligence during vendor selection process for both business services and technologies.

Advocacy

Championed the importance of extensive documentation and ticket logging that resulted in 3000+ ITSM tickets as well as 250+ Confluence articles in a single year.

Leadership

Managed multiple construction projects for buildout of head office and satellite offices.

Communication

Delivered monthly company wide Information Security training as well as new employee security training.

Results

Helped scale the number of employees from 40 to 120 in a single fiscal year.

Hands On

Implemented a modern IT infrastructure that tightly integrates HRIS, Okta, Jamf Pro, Google Workspace, Slack, AWS, Jira, Splunk, IaaS, and Open-Source tools.

Integrity

Directed the development of policies, standards, and technical safeguards for the Information Security Program, in alignment with ISO 27001 Certification requirements

Accountability

Maintained an annual IT budget of over 3 million dollars.

Engineering

Implemented a modern IT infrastructure that tightly integrates HRIS, Okta, Jamf Pro, Google Workspace, Slack, AWS, Jira, Splunk, IaaS, and Open-Source tools.

Infra as Code

Knowledgeable in AWS ECS, EC2, VPC, ELB, RDS, Route53, CFN template.

CI/CD

Well versed in CircleCI, GitHub Actions, Terraform.

IdP

Implemented 165 SAML and SWA SSO applications in Okta. Create automation using Okta Workflow.

Zero-Trust

Established zero-trust conditional access sign on policy in Okta leveraging network zone, device trust, MFA.

Patching

Established self-healing and auto patching software update policy using Jamf Pro and various open-source tools.

Monitoring

Connected stream of various SaaS syslog to Splunk for anomaly detection.

Experience


Ledn

Director, IT Infrastructure

Aug 2021 - Present

  • Manage more than 3 million dollars annual technology budget.
  • Lead 15 InfoSec/IT engineers and operators including 5 direct reports.
  • Oversee various cloud/SaaS infrastructure build projects.
  • Create policies, standards, and technical controls in preparation of ISO 27001 certification.

Scotiabank

Senior Infrastructure Architect

Jan 2020 - Aug 2021

  • Deploy and manage 3000+ macOS and 25,000+ iOS devices.
  • Systems architecture, systems engineering, configure Zero Touch Deployment workflow, patching, client platform engineering.
  • Implement technical security controls on all Apple devices based on compliance and regulatory requirements.

HCS Technology Group

Senior Professional Services Consultant

Oct 2019 - Jan 2020

  • Architect and deploy systems in enterprise environment.
  • Infrastructure build and migration.
  • Manage cloud infrastructure and SaaS applications.
  • Deliver Professional Services Engagements to Enterprise Customers: Bell Canada, Staples, KPMG, Nasdaq, etc.

Amaris Group

Professional Services Consultant

July 2018 - Oct 2019

  • Design and deliver professional services engagements to enterprise customers.
  • Architect and deploy systems in enterprise environment.
  • Deliver training and workshops to enterprise customers.
  • Manage third party relationships: Apple Canada, Softchoice, CDW, Insight Canada.

Hootsuite

Systems Administrator

Aug 2017 - July 2018

  • Manage and deploy SaaS applications.
  • Provide L2, L3 support.
  • Manage IT related projects.

Sid Lee

IT Manager

Aug 2014 - July 2017

  • Manage IT support team.
  • Manage annual IT budget.
  • Manage IT related projects.

AI


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Contact

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david@yoon.ai