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Software Developer - Firmware Development, Cryptography & Infrastructure (f/m/x)

IBM

Software Engineering, Other Engineering

Ehningen, Germany

Posted on Oct 23, 2025

Introduction

High availability, reliability, and integrity are key attributes of our IBM Z server family for which we develop key firmware components in our IBM location in Ehningen, preparing and enabling their use for modern and advanced applications.

Our team is responsible for the firmware implementing cryptographic functions and the related infrastructure firmware. We are, for example, involved in matters of digit asset protection, standardization, and quantum computer safe encryption. As powerful encryption becomes more relevant and with more customers using it, we are looking to extend our team to address this need and to develop and to deliver highest quality cryptographic firmware.

We are a highly motivated team, using modern developments tools and processes, and if this caught your interest, we are looking forward to your application.

Your role and responsibilities

Design of components implementing cryptographic function with consideration of the underlying hardware and related constraints.
Implementation firmware components using C/C++ and Rust.

Analysis of functional and non-functional requirements and the related verification in a later phase.
Deployment of new firmware code modules in simulated environments and on test systems.

Scripting and automation of development related tasks.
Refactoring, re-work, re-write of existing code modules.

Required education

Bachelor's Degree

Preferred education

Master's Degree

Required technical and professional expertise

Bachelor (BS), Computer Science or comparable

Technical:

sound understanding of Computer Science concepts
experience with turning specifications into working computer programs
experience with defect analysis and debugging; incl. related tools
understanding of program execution and runtime behavior
sound understanding of programming language types and concepts
experience with version control concepts and tools
experience with software testing and related methodologies

Language:

German, fluent, in writing and speech
English, fluent, in writing and speech

Preferred technical and professional experience

Master (MS), Computer Science or comparable

Sound knowledge, proven experience, and competencies:

software development using C/C++ and Rust
solving complex algorithmic challenges

automation and shell scripting
working with Linux and using Linux software development tools
Agile development methodology
doing code reviews and using Git / Github

development of "Embedded Systems"
cryptography and related methods

ABOUT BUSINESS UNIT

IBM Systems helps IT leaders think differently about their infrastructure. IBM servers and storage are no longer inanimate - they can understand, reason, and learn so our clients can innovate while avoiding IT issues. Our systems power the world’s most important industries and our clients are the architects of the future. Join us to help build our leading-edge technology portfolio designed for cognitive business and optimized for cloud computing.

YOUR LIFE @ IBM

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Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

For additional information about location requirements, please discuss with the recruiter following submission of your application.

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