[jchallis]

I would do two things.

First, I would get credentialed. Credentials are a time-proven barrier against unfair discrimination whether on sex, race, age, or sexual orientation. The AWS Dev Ops Engineer Professional credential certainly says that you have areasonably up to date, reasonably modern knowledge base that fits well into the AWS stack. It answer the competency question without it even be asked.

Second, I would definitely improve your strength at marketing. In any job, at some point you will be judged on your ability to drive the bottom line growth of the firm (yours, others, etc.). Showing that you can bring in business for yourselves, others, etc. is more compelling than being able to execute at a low cost point.

And in particular as a late 30's devops fellow becomes a late 50's practitioner, being able to generate your own income becomes important to your survival. Divert extra cash from the next job on learning how to tell your story and create value for customers / partners/ employers on both revenue and cost side.

No one fires someone who beats quota every year.