Links to Job Market Materials and Advice
When it comes to how to land a political science job, I have nothing to offer but my own confusion at this point. These people, however, have offered some actual advice. This is an ongoing list.
10 Things to Know This Summer: A graduate student provides advice if you plan to start applying for an academic position this coming year. https://www.insidehighered.com/advice/2018/07/24/advice-graduate-students-who-plan-start-looking-academic-job-year-opinion
Academic job market advice for economics, political science, public policy, and other professional schools. General advice, an academic job market timetable, and a lot of links to others' advice.
Lots of useful information on particulars like cover letters, CV, job talk, etc...
Political science-specific advice