These international organisation take longer than private sector - 3 to 6 months from application to offer is standard. They are heavily competencybased in interviews
The UN system has its own language - learn terms like results-based management, SDGs, and theory of change before any interview. Nepotism is less of a factor than in Nigerian private sector hiring - processes are structured and documented.
The pay is in dollars, the tax advantages, the global network, and the mission driven work are genuinely unique.