Senior AI/ML Software Engineer - Mission-Critical ISR

Sierra Nevada Corporation Mission Systems UK; St Athan; On-site; GBP 70,000 - 115,000; Full time

Benefits offered by this job

28 holidays

Competitive pension scheme

Tusker car scheme

Employee assistance programme Scheme

Private medical scheme

Discounts on eye tests

Life Assurance

Dental health plan

Cycle to work scheme

Sage employee benefits

Income protection

Job summary

Sierra Nevada Corporation Mission Systems UK in St Athan is seeking a Senior Software Engineer (AI/ML) to contribute to advanced software solutions for UK defence and aerospace programmes. You will work with systems engineers and data specialists on research initiatives and deployable AI/ML capabilities.

You'll join a growing software engineering community and help shape the future of our organisation while tackling challenging, mission-critical projects in a regulated environment.

Qualifications

• Proven experience delivering AI/ML software.
• Experience working in defence or regulated environments.
• Ability to collaborate with systems engineers and domain experts.
• Interest in OSINT and data-driven intelligence projects.

Responsibilities

• Developing, delivering, and continuously improving AI/ML-enabled software solutions aligned with customer needs and mission objectives.
• Working across the full software lifecycle within Agile teams, ensuring high-quality, secure, and reliable outputs.
• Collaborating with systems engineers, data specialists, and mission-domain experts to design and integrate AI/ML capabilities.
• Exploring emerging technologies such as agentic AI workflows, transformer architectures, and high-performance computing.

Job description

Sierra Nevada Corporation Mission Systems UK in St Athan is seeking a Senior Software Engineer (AI/ML) to contribute to advanced software solutions for UK defence and aerospace programmes. You will work with systems engineers and data specialists on research initiatives and deployable AI/ML capabilities.

You'll join a growing software engineering community and help shape the future of our organisation while tackling challenging, mission-critical projects in a regulated environment.