There is an option to get a "Job Seeker" visa for 6 months. Go to Germany and search for a job, switch to long term visa.

https://www.germany-visa.org/job-seeker-visa/

SSH with x.509 requires patching the SSH client and daemon. It is an unofficial patch to add the functionality.

SSH certificates themselves are similar to x.509 but a lighter version. They are supported out of the box.

How can one go about safeguarding his interest in such events?

The linked site has 0 listings.

It appears adblock blocks the iframe through to jobvite for some reason.

http://hire.jobvite.com/CompanyJobs/Careers.aspx?c=qtY9Vfwf&...

Looks like it's unrelated to jobvite specifically - iframe is located on http://mi9.com.au/careers, it is referencing some assets on advertising.ninemsn.com.au and adblock is blocking because of "advertising" in the url.