THE OPPORTUNITY
SII is seeking a Software Engineer to support the implementation of advanced image processing and image generation algorithms derived from satellite-based radar data. The algorithms have already been defined and validated via a coded prototype. The objective of this work package is to optimise and implement these algorithms on multi‑GPU architectures, leveraging CUDA cores on NVIDIA RTX‑class GPUs (e.g. RTX 6000) to achieve high performance, efficient image processing.
KEY RESPONSIBILITIES
- Implement pre-defined radar image processing and image generation algorithms on multi‑GPU platforms
- Develop high‑performance software using CUDA with C/C++
- Participate in the full software lifecycle: design, development, test, and verification
- Collaborate with the wider system and software engineering teams during the design phase to define optimal algorithm partitioning and GPU implementation strategies
- Optimise processing pipelines to minimise end‑to‑end image processing time
- Produce clear and maintainable technical documentation
- Design, code, test, and verify software deliverables in line with work package objectives
- Ensure the solution operates within specific project configurations, parameters, and constraints
- Support integration and validation activities within the delivery team
SKILLS REQUIRED
Essential:
- Strong experience in C and/or C++
- Proven experience developing GPU‑accelerated software using CUDA, including multi‑GPU architectures and performance optimisation
Solid understanding of high‑performance computing (HPC) concepts.
Experience implementing or optimising image‑processing algorithms.
Ability to work through design, implementation, and verification phases independently.
Desirable:
- Experience working with radar data or sensor‑based image generation
- Familiarity with NVIDIA RTX‑class GPUs (e.g. RTX 6000)
- Experience working to ECSS standards (preferred but not essential)
- Background in space, defence, or aerospace projects
- Experience working within constrained, safety‑oriented or performance‑critical systems
BENEFITS
- Competitive Basic Salary
- 6% Employers Contribution + 6% as a salary sacrifice
- Private Medical Insurance, Life Cover and Income Protection
- 25 days holiday
- 10 days full sick pay per year
- Flexible working
- Cycle to Work & TechScheme
- Continuous professional development
- Corporate access to the Udemy platform
If you’re applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK. For more information, visit http://www.groupe-sii.com/en
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