UNEPConsultantEnvironment & Climate

Preparation Guide

CCAC Economic Modelling Consultant (for Brazil) (CO-N) — UNEP

12 days until deadline (5 June 2026)

Expected Timeline

Based on the position grade (CO-N), contract type (Other), and UNEP's typical recruitment process.

Apply12d left
Screening1-2 weeks
Assessment1-2 weeks
Offer2-4 weeks
Estimated total process: 2-4 weeks

Note: UN recruitment timelines vary significantly. Some positions may take longer due to roster reviews, budget approvals, or geographic representation considerations.

Assessment Predictor

Based on the grade level, contract type, and position profile, expect the following evaluations:

Written TestCompetency-Based InterviewTechnical InterviewPresentation / Case StudyLanguage Assessment
Written Assessment

Typically a timed exercise (1-2 hours) testing analytical writing, policy analysis, or technical knowledge relevant to the role. Practice writing concise, structured responses under time pressure.

Presentation / Case Study

Senior positions often require a presentation on a relevant topic or a case study analysis. Prepare a 10-15 minute presentation with clear structure: context → analysis → recommendations.

Competency Breakdown

These competencies were extracted from the vacancy announcement. Prepare STAR-format examples for each.

CoreCommunication
STAR Method Prompt:Describe a time when you had to convey complex technical information to a non-specialist audience. How did you adapt your message?
ManagerialDecision-Making
STAR Method Prompt:Give an example of a high-stakes decision you made under time pressure.

Required Skills & Technical Knowledge

PythonStataExcelPublic HealthClimate Change

Position Profile

GradeCO-N
SeniorityConsultant
Role TypeEnvironment & Climate
ContractOther
EducationMaster's
Experience4-6 years
LanguagesEnglish, Portuguese
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Preparation Checklist

  • Prepare 2-3 STAR stories for each competency (2 total)
  • Research UNEP's latest strategic plan and priorities
  • Prepare a concise 2-minute "Tell me about yourself" response
  • Practice analytical writing under time pressure (1-2 hours)
  • Prepare a 10-15 minute presentation on a relevant topic
  • Refresh your Portuguese language skills
  • Read recent news and developments about UNEP
  • Prepare 3-4 questions to ask the interview panel
  • Review the UN common system values and organizational culture

Pro Tips

  • UN interviews are competency-based — they ask for specific examples, not hypothetical scenarios.
  • Use the STAR method: Situation → Task → Action → Result.
  • Show how your experience aligns with the UN values: integrity, professionalism, respect for diversity.
  • Be specific and quantify your achievements when possible.
  • Mention experience working in multicultural environments — it's highly valued.