How long does the Eni interview process take?

Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.

How should I prepare specifically for Eni?

Focus on three things: (1) the company DNA shown above — what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.

Does this apply to engineering or design roles at Eni?

The DNA stays the same — what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.

What specifically about Eni's role in the energy transition and its supply chain challenges interests you?

Type: Motivation. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Eni is experiencing delays in delivering critical components for its LNG facilities. Walk me through your process for diagnosing the root cause of these delays within the supply chain.

Type: Bottleneck Diagnosis. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

How would you improve the accuracy of demand forecasts for refined petroleum products across different European markets, given fluctuating geopolitical factors and seasonal energy demands?

Type: Demand Planning. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Describe your experience with Sales & Operations Planning (S&OP) processes. How would you ensure effective alignment between demand, supply, and financial plans within Eni's complex energy business?

Type: S&OP. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Explain the basic concept of linear programming and how it could be applied to optimize Eni's crude oil sourcing and refinery allocation strategy to maximize profit.

Type: LP Intuition. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Tell me about a time you had a significant technical disagreement with a colleague or manager. How did you approach the situation, and what was the outcome?

Type: conflict-resolution. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Tell me about a time you had a significant disagreement with a colleague or manager. How did you handle it, and what was the outcome?

Type: Conflict Resolution. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Other roles at Eni:Software Engineer Supply Chain Strategy Consultant

Enterprise · Supply Chain Interview Guide

How to Pass the Eni Supply Chain Interview in 2026

The Eni DNA (TL;DR)

Eni values candidates demonstrating strong technical acumen, practical problem-solving capabilities, and a commitment to safety and operational excellence. They seek individuals who can collaborate effectively and align with their strategic focus on energy transition and sustainability.

English original + your local-language translation

Tech and global multinational interviews are most often conducted in English. For industries like luxury, finance, or pharma, the working language may be local. We show every question in English first — alongside your local-language translation — so you can prep in whichever language your interviewer ends up using.

The Eni Interview Loop

Your onsite loop will typically consist of 5 rounds.

1
Round 1
Recruiter Screen
Motivation, operations background, supply chain interest.
2
Round 2
Operations Case
End-to-end supply chain optimization, bottleneck diagnosis, network design.
3
Round 3
Forecasting & Planning
Demand planning, S&OP, inventory optimization, working with statistical and ML forecasts.
4
Round 4
Optimization
Linear programming intuition, route optimization, facility location, trade-offs between cost/service/CO2.
5
Round 5
Behavioral / Leadership
Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of Eni interview outcomes, avoid these common traps:

Not considering the trade-offs between centralized vs. decentralized processing facilities.
Not linking forecast accuracy improvements to tangible business benefits (e.g., reduced inventory, improved service levels).
Describing a situation where they simply told the other party what to do.
Focusing solely on distance without considering traffic, road types, or fuel consumption.

Test Yourself: Real Eni Questions

Three real prompts pulled from our database.

Type · Network Design

Eni is considering diversifying its refining operations to include biofuels. How would you approach designing a new supply chain network to support this, considering factors like feedstock sourcing, processing locations, and distribution to new markets?

Type · Route Optimization

Eni distributes refined products via a large fleet of trucks across Italy. How would you approach optimizing delivery routes to minimize transportation costs and delivery times while ensuring compliance with driving regulations?

Type · End-to-End Optimization

Imagine Eni is expanding its renewable energy infrastructure (e.g., offshore wind farms). How would you approach optimizing the end-to-end supply chain for the installation and ongoing maintenance of these assets, considering the unique challenges of offshore logistics and component sourcing?

+ many more questions, signals, and worked examples

Unlock the rubric →

Eni Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 17 questions shown

Recruiter Screen

1
Type · Motivation
What specifically about Eni's role in the energy transition and its supply chain challenges interests you?

Operations Case

2
Type · End-to-End Optimization
Imagine Eni is expanding its renewable energy infrastructure (e.g., offshore wind farms). How would you approach optimizing the end-to-end supply chain for the installation and ongoing maintenance of these assets, considering the unique challenges of offshore logistics and component sourcing?
3
Type · Bottleneck Diagnosis
Eni is experiencing delays in delivering critical components for its LNG facilities. Walk me through your process for diagnosing the root cause of these delays within the supply chain.
+ 1 more questions in this round (sign up to unlock)

Forecasting & Planning

4
Type · Demand Planning
How would you improve the accuracy of demand forecasts for refined petroleum products across different European markets, given fluctuating geopolitical factors and seasonal energy demands?
5
Type · S&OP
Describe your experience with Sales & Operations Planning (S&OP) processes. How would you ensure effective alignment between demand, supply, and financial plans within Eni's complex energy business?
+ 2 more questions in this round (sign up to unlock)

Optimization

6
Type · LP Intuition
Explain the basic concept of linear programming and how it could be applied to optimize Eni's crude oil sourcing and refinery allocation strategy to maximize profit.
7
Type · Route Optimization
Eni distributes refined products via a large fleet of trucks across Italy. How would you approach optimizing delivery routes to minimize transportation costs and delivery times while ensuring compliance with driving regulations?
+ 2 more questions in this round (sign up to unlock)

Behavioral / Leadership

8
Type · conflict-resolution
Tell me about a time you had a significant technical disagreement with a colleague or manager. How did you approach the situation, and what was the outcome?
9
Type · Conflict Resolution
Tell me about a time you had a significant disagreement with a colleague or manager. How did you handle it, and what was the outcome?
+ 3 more questions in this round (sign up to unlock)

Unlock the full Eni question bank

Free signup, no credit card. You get every question + the framework, grading signals, and worked answer for each.

Unlock all questions →

Interview tracks at Eni

How Eni's DNA translates across functions. Pick your role.

Supply chain roles at Eni require expertise in global logistics, risk management for energy commodities, and optimizing complex international networks. Candidates should demonstrate ability to enhance efficiency, ensure secure operations, and integrate sustainability practices across the value chain.

Network Design

Route Optimization

+ 1 more

Unlock the Supply Chain grading rubric for Eni

See full Supply Chain guide