AI/ML Software Engineer

Sierra Nevada Corporation Mission Systems UK Ltd; The Herberts; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

28 holidays

Competitive pension scheme

Tusker car scheme

Employee assistance programme

Private medical scheme

Discounts on eye tests

Life Assurance

Dental health plan

Cycle to work scheme

Sage employee benefits

Income protection

Job summary

SNC Mission Systems UK in St Athan is seeking a Senior Software Engineer to design and deliver AI/ML enabled software for defence and aerospace programmes.

You will work with systems engineers and data specialists across the full software lifecycle in an Agile environment, focusing on high-quality, secure outputs and delivering mission-critical capabilities.

Responsibilities

• Develop AI/ML-enabled software solutions aligned with customer needs and mission objectives.
• Work across the full software lifecycle within Agile teams, ensuring high-quality, secure, and reliable outputs.
• Collaborate with systems engineers, data specialists, and mission-domain experts to design and integrate AI/ML capabilities.
• Explore emerging technologies such as agentic AI workflows and transformer architectures.

Job description

Senior Software Engineer (AI/ML)

SNC Mission Systems UK – St Athan

We are looking for a Senior Software Engineer (AI/ML) to join us at SNC Mission Systems UK in St Athan. We providetailored mission systems integration and intelligence, surveillance and reconnaissance (ISR) solutions for the UK Government and its allies.

Our unique strength is our mission partner approach delivered by people who have first-hand operational experience. Weunderstand the challenges, have the know-how to overcome them, and work together to succeed.Operating for over a decade, we deliver cutting-edge capabilities from open-source intelligence (OSINT) to uncrewed surface vessels and high-altitude one-way effectors that deliver true interoperability across all security levels.

It is an exciting time to join SNC Missions UK as we are expanding, you will get stuck into contributing to the development of advanced software solutions for UK defence and aerospace programmes as part of the growing software engineering community in St Athan. Working closely with systems engineers on research initiatives, the role develops deployable, high-integrity software that leverages modern AI/ML technologies. You will support mission-critical projects including next-generation ISR platforms, autonomous systems and advanced decision-support tools.

No two days will be the same as some of your tasks include...

• 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.

We are looking for someone with a proven track record of delivering innovative AI and Machine Learning capabilities within a software development environment. You will play a key role in leading technical delivery, helping to grow the function, and working collaboratively with Systems Engineers, as well as independently, across a range of AI, ML and wider technology projects.

Ideally, you will bring experience in OSINT alongside a broad software development background. Experience within the defence sector, or a similarly complex and highly regulated environment, would be advantageous. Most importantly, we're looking for someone who's excited by the opportunity to get stuck in, make a real impact, and help shape the future of our growing organisation.

What we offer:

• 28 holidays

• Competitive pension scheme (we contribute 10%, you contribute 5%)

• Tusker car scheme (salary sacrifice)

• Employee assistance programme Scheme via TELUS

• Private medical scheme via BUPA

• Discounts on eye tests, glasses and contact lenses

• Life Assurance

• Dental health plan (claim back money towards routine & restorative treatments)

• Cycle to work scheme

• Sage employee benefits including high street, health & wellbeing discounts

• Income protection

Please be aware that many roles at SNC MS UK are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

SNC MS UK is an equal opportunity employer and values diversity. We encourage applications from all qualified individuals.