EY-Parthenon Aerospace & Defense Practice

Updated June 2026·8 min read

EY-Parthenon's Aerospace & Defense practice is a growing practice with a small team working across Commercial Aviation, Defense Contractors, Space Technology. In EY-Parthenon interviews, Aerospace & Defense cases draw on 4 common case types, including aircraft program economics and defense bid strategy. Industry knowledge is helpful but not required for these interviews.

Practice Strength

Growing Practice

Practice Size

Small

Case Types

4 common

Industry Knowledge

Helpful

About Aerospace & Defense

Aerospace and defense covers commercial aviation, defense contractors, and space technology. The industry manages long development cycles, government contracting, and advanced technology development.

Sub-sectors

Commercial AviationDefense ContractorsSpace TechnologyDefense ElectronicsMRO ServicesUAV & Drones

Current Hot Topics

•Sustainable aviation and SAF
•Defense budget priorities
•Space commercialization
•Hypersonic technology
•Supply chain security
•Advanced manufacturing in aerospace

EY-Parthenon's Position in Aerospace & Defense

EY-Parthenon is actively investing in building its Aerospace & Defense capabilities.

As a growing practice, there are opportunities for consultants to help shape the direction and build client relationships. This can be an exciting path for those with genuine interest in Aerospace & Defense who want to be part of building something.

Types of Aerospace & Defense Work

EY-Parthenon's Aerospace & Defense practice typically works on:

Aircraft program strategy

Defense program management

MRO network optimization

Space commercialization strategy

Aerospace supply chain consolidation

Interview Expectations

Candidate-Led Format

EY-Parthenon uses an candidate-led case format. Candidate-led cases with emphasis on corporate and growth strategy. Cases often include market entry, due diligence, and portfolio optimization scenarios.

Industry Knowledge Requirements

While not required, demonstrating awareness of Aerospace & Defense trends and terminology is beneficial.

Common Aerospace & Defense Case Types

Aircraft program economics

Defense bid strategy

MRO network optimization

Space company market entry

Career Path in Aerospace & Defense

Exciting opportunity to help build the practice and shape its direction.

Exit Opportunities

Consultants from EY-Parthenon's Aerospace & Defense practice commonly move to:

1Aerospace OEMs

2Defense contractors

3Space companies

4Aerospace PE

5Aviation startups

Practice Aerospace & Defense Cases

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Frequently Asked Questions

Do I need Aerospace & Defense experience to join EY-Parthenon's Aerospace & Defense practice?

EY-Parthenon's Aerospace & Defense practice is growing. Prior experience in Aerospace & Defense can help differentiate your candidacy, but generalist consultants can also join through demonstrated interest. Strong problem-solving skills remain the primary requirement.

What types of cases does EY-Parthenon do in Aerospace & Defense?

EY-Parthenon's Aerospace & Defense work typically includes: aircraft program economics, defense bid strategy, mro network optimization, and space company market entry. The practice focuses on select high-impact engagements.

What are exit opportunities from EY-Parthenon's Aerospace & Defense practice?

Consultants from EY-Parthenon's Aerospace & Defense practice commonly exit to: Aerospace OEMs, Defense contractors, Space companies. EY-Parthenon alumni are well-regarded in the Aerospace & Defense sector, and the firm's brand combined with industry expertise creates strong career optionality.

Is EY-Parthenon a leader in Aerospace & Defense consulting?

EY-Parthenon is actively growing its Aerospace & Defense practice. While it's not yet among the largest players, the firm is investing in building capabilities and has strong potential for consultants interested in helping build the practice.

What should I expect in interviews for EY-Parthenon's Aerospace & Defense practice?

Interviews for EY-Parthenon's Aerospace & Defense practice follow the standard candidate-led case format. While technical knowledge isn't required, demonstrating familiarity with industry trends and terminology is beneficial. Current hot topics like sustainable aviation and saf or defense budget priorities may appear in cases or conversation.

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Guide

EY-Parthenon Interview Guide

Salary

EY-Parthenon Salary Data

Interview

EY-Parthenon Interview Process

Case Type

EY-Parthenon Profitability Cases