The United Nations is one of the world's largest international employers, spanning a Secretariat of tens of thousands of staff plus a constellation of agencies, funds, and programmes. This independent guide maps the main routes in, so you can find the one that fits your stage and specialism. For live vacancies and authoritative rules, always use the official UN Careers portal.
The Secretariat and the wider UN system
People often say “the UN” as if it were a single employer. It is really two overlapping things. The Secretariat is the core administrative body headquartered in New York, with major offices in Geneva, Vienna, and Nairobi; it serves the General Assembly, the Security Council, and other organs. Around it sits the wider UN system — specialized agencies and programmes such as UNDP, UNICEF, WHO, WFP, UNHCR, and many more — each a separate employer with its own recruitment. Knowing which body you want to join tells you which door to knock on.
Contract types and the grading system
UN professional posts are graded from P-1 (entry) up through P-5, then the Director (D) and senior levels. General Service (G) posts cover administrative and support roles, usually recruited locally. Field and national-officer categories add further structure. Understanding the grade tells you the expected experience: a fresh graduate targets P-1/P-2 or an internship; a mid-career specialist looks at P-3/P-4.
Main entry routes
1. Young Professionals Programme (YPP)
An annual, competitive examination for nationals of participating (usually under-represented) countries who hold a relevant degree and are 32 or younger. Passing places you on a roster for entry-level professional posts. It is the most structured way in for early-career candidates — we cover eligibility in detail in our guide to UN careers for Saudi nationals, and the criteria apply equally to other nationalities.
2. Internships
Open to current students and recent graduates, UN internships last from two to six months and offer an unmatched view of how the Organization works day to day. They are competitive and generally unpaid, so plan financially, but they build the network and the CV lines that later applications reward.
3. Junior Professional Officers (JPO)
JPO posts are funded by a sponsoring government to give its (or sometimes developing countries') young professionals two years of hands-on UN experience. Because the funding is national, the entry point is your government's JPO programme rather than the UN directly.
4. Consultants and individual contractors
For specialists, short-term consultancies deliver defined pieces of work. They are a common way for experienced professionals to enter the system laterally and demonstrate value before a longer-term post opens.
5. Volunteering
The United Nations Volunteers programme places people of all ages in development and humanitarian assignments worldwide — a meaningful route in its own right and a strong signal of commitment on any application.
What the UN looks for
Across routes, three qualities recur: competence proven by results, integrity and impartiality suited to an international civil servant, and language ability — fluency in English or French, with any additional official language (Arabic, Chinese, Russian, or Spanish) a real asset. The UN publishes a competency framework; study it and describe your experience in its terms.
Avoiding recruitment fraud
Because UN jobs are sought after, scams abound. Remember the golden rule: the United Nations charges no fee at any stage of recruitment — not for applications, interviews, processing, or training. Any message asking for money, or coming from a non-official address, is fraudulent. Apply only through careers.un.org and the official agency portals.
Ready to understand the institution you would join? Continue with how the United Nations works and the role of the General Assembly.