Senior Machine Learning Engineer designing AI systems for multi-scale physical technologies at Orbital. Leading high-risk projects with a focus on AI research and engineering excellence.
Responsibilities
Define the technical direction for AI systems powering the multi-scale design of physical technologies
Establish and maintain exceptionally high standards for code quality, system architecture and ML research and engineering practices across multiple teams, through hands-on coding, technical review and architectural leadership
Design robust, well-engineered systems that set the standard for the organisation, balancing research velocity with production requirements
Drive and influence technical decisions on model selection, training approaches and deployment strategies across the company’s ML efforts, articulating trade-offs to both technical and non-technical stakeholders
Take ownership of ambiguous, high-risk, cross-functional projects, driving them from inception to completion and coordinating across multiple teams and domains
Develop and deploy AI solutions across the entire technology development pipeline- computational chemistry simulations, agentic workflows and beyond with responsibility for end-to-end project outcomes
Rapidly upskill in new technical areas through close collaboration with domain experts, and enable others to do the same (no prior chemistry or materials experience required)
Perform sophisticated analysis and interpretation of complex datasets, communicating insights and their implications to influence organisational direction
Design and implement novel ML architectures for complex scientific domains, with work that meets publication standards at top-tier conferences and defines new research directions for the team
Stay current with state-of-the-art research and contribute to research discussions, providing insights on new developments that influence the team’s research agenda
Drive research projects from conception through to deployment, showing initiative, technical depth and the ability to make judgment calls on high-uncertainty problems
Requirements
Extensive AI/ML research and software engineering experience, with a track record of leading complex projects and influencing technical direction — demonstrated through sustained research contributions, senior industry roles, or a combination of both
Proven track record of leading and delivering high-impact, ambiguous ML/AI projects at scale, with deep understanding of the full ML lifecycle from research to deployment
Strong engineering fundamentals with the ability to write high-quality, maintainable code and architect robust systems that set organisational standards
A strong ability to reason about algorithms, system design, linear algebra, probabilistic concepts and ML engineering trade-offs — and to communicate these effectively to influence technical direction
An ability to debug complex machine learning systems through meticulous attention to detail, testing of edge cases and carefully selected ablations
Demonstrated ability to mentor and develop engineers, with evidence of shaping others’ technical growth and career trajectories
A genuine interest in building AI systems that enable breakthrough scientific and industrial applications
Bonus: Experience with physics-informed or chemistry-focused AI applications. Experience building or fine-tuning large language models. Experience with agent-based systems, tool use or agentic workflows. Contributions to open-source ML projects or published research. Experience influencing technical strategy at an organisational level.
Benefits
Orbital is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
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