At-Will Employment
The legal default in the US where either party — employer or employee — can terminate the employment relationship at any time, for any reason (with some legal exceptions). Most US jobs are at-will unless a contract specifies otherwise.
At-will employment is the legal doctrine that governs employment relationships in the US in the absence of a specific employment contract. Under at-will employment, either the employer or the employee can end the employment relationship at any time, with or without cause, and with or without notice. **Why it matters:** At-will employment means you can be terminated tomorrow for any legal reason — or for no stated reason at all — without severance, notice, or legal recourse. It also means you can quit with no notice period obligation (though professional norms suggest 2 weeks). **Legal exceptions to at-will:** Not truly 'for any reason' — employment law carves out important exceptions: - **Discrimination**: You can't be fired because of race, sex, age (40+), disability, religion, national origin, pregnancy (federal law; some states add more categories) - **Retaliation**: Can't be fired for filing a workers' comp claim, reporting harassment, whistleblowing, etc. - **Implied contract**: Employee handbook language that implies job security can create an exception in some states - **Implied covenant of good faith**: A handful of states require a good faith basis for termination **Montana exception:** Montana is the only US state that isn't at-will — employees with a probationary period completed can only be fired for cause. **Union employees:** Collective bargaining agreements often require 'just cause' for termination, providing stronger job security than at-will status.
Why it matters
Understanding at-will status is essential for assessing job security. It also affects how you evaluate severance packages — since you have no legal right to severance under at-will doctrine, any severance offered is a negotiated benefit, not a legal obligation.
Candidate tip
If job security is a concern, look for employment contracts (more common at senior executive level) or ask about the company's track record in layoffs — 'has the team been affected by layoffs in the past 3 years?' is a reasonable interview question.
Related terms
Employment Contract
Offers & NegotiationA legally binding agreement between employer and employee that specifies the terms of employment — compensation, role, duration (if fixed), termination conditions, and any special provisions. More common for executives, contractors, and international hires than for general US employees.
Severance Package
Offers & NegotiationCompensation and benefits provided by an employer when terminating an employee — typically a payment based on tenure, plus benefits continuation. Severance is not legally required under US federal law but is common at professional employers.
Notice Period
Offers & NegotiationThe time between giving notice that you're leaving a job and your last day of work. In the US, two weeks is the professional standard. In some European countries, 1-3 months is legally required. Some roles have contractual notice requirements.
Probation Period
Offers & NegotiationAn initial employment period (typically 30-90 days) during which a new employee's performance and fit are evaluated, often with reduced job protections or easier termination procedures for the employer. Common globally; less formalized in the US.