How you leave a job matters, even when you are leaving the whole field. Former managers and colleagues become references, contacts and sometimes clients. Fields overlap more than people expect. A thoughtful exit protects your reputation and avoids practical mistakes with benefits and money. This note covers timing, what to check, the resignation letter and the final weeks. It is general guidance; your contract and state law may add specific requirements.
Decide when, not just whether
The best time to resign depends on:
- Your next step: a confirmed job offer, a training start date, or an open-ended search.
- Savings runway: how many months of essential costs you can cover. The cash runway calculator helps.
- Benefits timing: when health coverage ends, vesting dates for retirement contributions, bonus payment dates.
- Workload: leaving during a critical project may be unavoidable, but if you have a choice, a cleaner handover is better for everyone.
If you can, secure the next step before resigning. If not, have a written plan with dates and a calculated runway.
Check before you give notice
- Your contract and handbook. Look for required notice periods, rules on unused vacation pay, return of equipment, confidentiality and any post-employment restrictions.
- Health insurance. Ask HR when coverage ends and when you will receive COBRA information. Our guide to health insurance during a career change explains COBRA and Marketplace timing. COBRA can be expensive; the Department of Labor notes you may pay up to 102% of the plan cost.
- Retirement plan. Check vesting schedules and plan options; see your 401(k) when changing jobs.
- Final pay. Rules on when final pay is due and whether unused vacation is paid vary by state. Check your state labor department.
- Personal files. Make sure personal documents and contacts are not stored only on company systems, but do not take company property or confidential information.
Telling your manager
Tell your manager in person or by video before anyone else at work, and before posting anything publicly. Keep it short and positive:
- your decision and last day,
- a brief reason if you want to share one ("I am moving into a new field that I have been preparing for"),
- appreciation for specific things you learned,
- an offer to help with the transition.
You do not need to justify the decision or debate it. If you receive a counteroffer, consider it honestly, but remember why you planned the change.
The resignation letter
Most employers want written notice. Keep it simple:
Dear [Manager],
Please accept this letter as notice of my resignation from my role as [title]. My last day will be [date].
Thank you for the opportunities I have had here, particularly [one specific thing]. I will do everything I can to make the handover smooth over the coming weeks.
Sincerely, [Name]
Avoid complaints or criticism in writing. If you have concerns that should be raised, an exit interview or a separate conversation with HR is the place.
The final weeks
- Write a handover document: tasks, schedules, contacts, where files are, passwords handled according to company policy, and open issues with status.
- Train your replacement or colleagues covering your work, if asked.
- Stay engaged. People remember how you behaved in your last weeks.
- Return equipment and confirm in writing.
- Say goodbye and share personal contact details with colleagues you want to stay in touch with.
Ask for references and recommendations
Before you leave, ask your manager and close colleagues whether they would be willing to act as references. Mention the kind of roles you are pursuing so they can highlight relevant strengths. A short written recommendation on a professional networking site, if they are willing, can help career changers show transferable strengths.
If you are leaving involuntarily
If the change follows a layoff, the steps differ: review any severance agreement carefully before signing, ask about benefits continuation and file for unemployment insurance promptly through your state. CareerOneStop's Unemployment Benefits Finder lists state agencies, and our note on free training through American Job Centers explains dislocated worker services.
After you leave
Update your résumé and online profiles to reflect the new direction; see the career change résumé note. Keep copies of your final pay statement, benefits notices and any agreements. Then turn to your 90-day exploration plan with a clean slate.
Evidence to gather next
- Check your contract for notice periods, unused leave rules and any restrictions after leaving.
- Confirm your health insurance end date and retirement plan vesting before choosing a last day.
- Write a short, positive resignation letter and keep a copy.
- Prepare a handover document listing your tasks, contacts, files and open items.
Should I resign before I have a job lined up in the new field?
It depends on your savings, health insurance options, the training you need and how long hiring takes in the new field. Many people reduce risk by securing a new role or a training place first, or by building a savings runway. If you do resign first, have a dated plan and a cash runway you have actually calculated.