I would find out the medium term goals of the organization, and find all the resources I would need to accomplish some of them - people (on LinkedIn, Meetup.com

I would find out the medium term goals of the organization, and find all the resources I would need to accomplish some of them - people (on LinkedIn, Meetup.com), courses (Udacity Nanodegree, Coursera Specialization, Thinkful, etc), books (Such as Intro to Algorithms, etc). And then draft a comprehensive plan to make this happen. If you do this, then you will become truly irreplaceable for your organization.