Final answer:
It's best to mention pre-planned vacations during the job interview. If not, inform your manager in the first week at the new job, ensuring you communicate it during discussions about job responsibilities. Maintain transparency and be prepared to be flexible according to company policy.
Step-by-step explanation:
Informing your manager about a pre-planned vacation at a new job requires timely and professional communication. Ideally, mention any previously scheduled time off during the job interview process. However, if you have not done so and have already accepted the job offer, it is best to inform your manager as early as possible, preferably during your first meeting or within the first week of employment. This period is generally meant for discussing job responsibilities, expectations, and for you getting accustomed to the new work environment.
Maintaining transparency with your employer is critical for building trust. Therefore, wait for the appropriate moment when discussing work priorities, and respectfully inform your manager about the pre-planned vacation, explaining that it was arranged before your employment. This approach shows your integrity and consideration for the company's time. Remember to provide exact dates and offer to work around the vacation to mitigate the impact on your team or projects. Also, be prepared to be flexible as your new employer may need you to alter your plans.
Lastly, observe company culture and vacation policies, and be guided by them. This will help in framing your request in a way that aligns with organizational practices, further ensuring a smooth integration into your new workplace.