SII Group Switzerland
Software Engineer

How your CV stacks up
Upload your CV to see how well it fits this job role
?%
THE OPPORTUNITY
We are seeking a SOFTWARE ENGINEER, you will be responsible for the design, development and integration of a Hardware‑in‑the‑Loop (HIL) simulator, as well as supporting technical exchanges with other space engineering disciplines. You will work closely with system engineering teams to ensure the successful development.
Key Responsibilities
- Analyse technical requirements and contribute to system and software design
- Develop and implement simulator software primarily in C++, with Java used as the test language
- Integrate, test and deliver HIL test benches within a Linux environment
- Interface with hardware and support system integration activities
- Provide technical follow‑up and coordination with internal and external teams
- Support verification, validation and testing activities throughout delivery
Skills & Experience
- Strong practical experience in C++ and Java
- Real‑time software design and debugging in a Linux environment
- Proven experience in Hardware‑in‑the‑Loop (HIL) design and implementation
- Solid understanding of multi‑process and/or multi‑threaded software architectures, ideally for hardware interfacing
- Experience with testing methodologies and unit testing frameworks
- Object‑oriented analysis and design using UML (or equivalent)
- Understanding of machine‑to‑machine communication protocols
- Strong knowledge of the software development lifecycle
- Familiarity with design patterns and best‑practice coding standards
- Excellent written and verbal communication skills, with the ability to explain complex technical concepts to non‑technical stakeholders
- Continuous Integration / Continuous Deployment (CI/CD)
- Spacecraft avionics systems
- ECSS software standards
- Space communication protocols including:
- SpaceWire
- MIL‑STD‑1553
- ECSS
- CAN
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
See breakdownIt searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions.
SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.
True to our human-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.


Get help with your application
Your very own career expert that helps elevate your application to the next level.
Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
Who are we?
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions.
SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.
True to our human-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.
Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills