What would you say is one of the most challenging aspects of being a power engineer in your current role? Specifically relating to working in a team environment?

https://www.glassdoor.ca/job-listing/maintenance-relief-2nd-class-operating-engineer

Can anyone help me to start preparing exams and get a Power Engineering Certification. Where can i get my book . I searched kijiji but not getting

Hello Power Engineers, I hope you all are doing well. I have a 4th Class Power Engineer certificate and have cleared all my 3rd Class exams, along with 8 months of steam time. I recently completed my 2-year Power Engineering diploma. I am trying hard to get a job, but nothing much is happening for me. Is there anyone who can help me land a job? Thanks in advance.