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Principal Engineer

Posted Oct 17, 2026

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CRITICAL SOFTWARE GMBH

München

EnglishLeadFluent German (C1+)

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€56,000 to €76,000

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About this job

Introduction

THE ROLE

We are looking for a Principal Engineer based in Germany, to strengthen Critical Software's presence in the Aerospace, Space & Defense (ASD) market.

ABOUT CRITICAL SOFTWARE

Every day we work on missions across industries as diverse as aerospace, space, defence, transport, telecoms, government, energy, finance, and healthcare. Building better and safer isn't a slogan. It's how we show up in the world.

Critical Software is a proud Benefit Corporation: a for-profit business legally committed to positive impact on society, workers, the community, and the environment - in addition to profit.

WHAT YOU'LL DO

This is a role for someone who has spent 10+ years deep in safety-critical engineering and is ready to bring that expertise directly in front of clients.

Think technical authority combined with the ability to identify opportunities, shape solutions, and win trust from day one.

You won't just deliver technical work; you'll be the face of our safety-critical expertise to the client, spotting problems before they become issues and positioning Critical Software as the partner of choice.

Act as the technical anchor and trusted point of contact for clients in the ASD domain, building and sustaining long-term relationships with key stakeholders
Identify, diagnose, and help resolve technical and process challenges on client programmes, bringing deep safety-critical engineering expertise to the table
Support the growth of Critical Software's footprint in the German market, working closely with local sales and account teams to spot and shape new opportunities
Translate technical strengths into client value, helping position Critical Software's safety-critical capabilities in a way that is credible and compelling to technical and business stakeholders alike

Mentor and provide technical direction to project teams, ensuring engineering excellence and consistency with safety-critical standards and best practices

Represent Critical Software in client meetings, technical workshops, and industry forums across the ASD sector

Contribute to proposals and technical bids, ensuring solutions are grounded in real engineering credibility

WHAT WE'RE LOOKING FOR

10+ years of experience in safety-critical software/systems engineering, with strong technical depth in the domain
Background in Aerospace, Space, or Defense; candidates with strong safety-critical experience in Automotive or Railway are also welcome, provided those fundamentals are transferable to this domain.
Proven track record as a technical expert who has evolved into a client-facing role, comfortable being the technical authority in front of a customer, not just behind a desk
A confident, consultative communication style: able to identify a client's problem, propose a path forward, and sell that solution with conviction, without being pushy or hesitant
Strong ownership mindset and the resilience to operate in front of clients under pressure
Fluency in German and English (C1 or C2 level)
Based in Germany, with willingness to travel as required by client engagements

You adapt fast and turn sharp, critical thinking into good decisions for the project
You are genuinely curious and challenge what needs to change and make bold calls
You see AI as the biggest shift of this generation and you want to be part of shaping it
When there is no map, you start drawing one rather than waiting for someone else to

We invest in the people who make it all possible. Here's what that looks like in practice.

Private health insurance
Employee Assistance Programme (mental health, legal, financial support)
Home office support
Extra holidays: 2 additional days after year one, more as time goes on
Extra parental leave: 2 additional months fully paid
Gradual return-to-work support: We'll help you ease back from long breaks
Sabbatical programme for long-term employees
Training, mentorship, and growth opportunities: we'll invest in where you want to go next

We are an equal opportunity workplace. If you need any adjustment in your recruitment process to show us what you can do, please let us know.

By applying to a position at Critical Software, you are deemed to have accepted our Privacy Policy ( https://www.criticalsoftware.com/en/legal ) .

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Job facts

Employer: CRITICAL SOFTWARE GMBH
Role: Principal Engineer
City: München
Work mode: not stated
Language: English
Seniority: Lead
Posted: Oct 17, 2026
Source: StepStone

Company rating

Glassdoor 3.3
436 reviews
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