Justin is an experienced instructor with a passion for bringing technical content to life. He currently delivers training courses in AWS (Amazon Web Services) cloud architecture, and his training portfolio also includes cluster-admin, Big Data and maths-intensive applications. He has over 20 years of experience in various IT roles, including systems administration, development, consultancy and customer support. And he has worked in the software sector, the energy industry, the charity sector and academia, in startups and large enterprises.

Justin holds several certifications, among them:

  • AWS certified Solutions Architect – Associate
  • AWS certified SysOps Administrator – Associate
  • AWS certified Big Data – Speciality

 

14 Jan 2020

Understanding T2 and T3 CPU credits in AWS

Justin Watkins

Cloud

Why does this t3.large cost you 50% more than an m5.large? AWS trainer Justin Watkins explains.
17 Sep 2020

AWS virtual machine sizes: What does m5d.2xlarge mean?

Justin Watkins

Cloud

If you're working on AWS you may have wondered: What is EC2? What is an instance? How much does it cost to run an EC2 instance and how do I choose the right EC2 inst…