Offer letter needs to indicate your position is a "full-time" and "permanent research" position. If your original letter said that, then it is OK. Otherwise, here is a sample:
[Employer Letterhead]
[Date]
[Employee Recipient’s Name]
[Employee Recipient’s Address]
Dear Dr. [Employee Recipient’s Name]:
[Name of Employer] is pleased to offer you a full time research position with the title of [Title of the Position] at [Name of Lab, Division, Department, etc.] of [Name of Employer] as of [starting date]. (Introduce your employer here with employer’s research and how many employees are full-time researchers). In this capacity you will be responsible for (Briefly describe the duties of the job being offered):
- (Job Duties)
- (Job Duties)
- (Job Duties)
- (Job Duties).
Your salary for this position will be [annual salary.], plus hiring benefits, including health insurance. (Also list any other compensation that may be offered to the employee). We expect that this appointment will continue indefinitely, provided you continue to perform the job duties satisfactorily. (Or you can use: This is a full time permanent position with no fixed term.) We are very pleased to offer you this position and have every expectation of maintaining you on our staff.
Sincerely,
[Representative of Employer]
[Title]
