Principal Systems Engineer

Company: Ultra

Location: Maidenhead

Posted: April 10th, 2026

Company : Ultra Intelligence & Communications

Cyber (UK) Business

Powering Decision

Join the team redefining defense technology. From engineering systems that save lives to leading programs that change the battlefield find your place in the future of defense.

Cyber Business

Our Cyber business unit is at the forefront of pioneering advanced cryptographic and key management solutions facilitating the confidential exchange of vital information for customers operating at both tactical and strategic echelons. Join our team and participate in the innovation that ensures the highest security and trust worldwide.

Job Description

To be responsible for and assure the implementation of ISO 15288 processes and practices across the Systems Engineering life cycle for projects within Ultra Cyber. The Systems discipline is fundamental in defining and supporting our multi-discipline teams in the implementing a Systems Engineering approach where the Systems discipline both enables and assures (add quality & value) the realisation of the stakeholder requirements the production the required products and demonstrates compliance to the satisfaction of our customers.

Responsible for / Key responsibilities

Qualifications / skills required

Essential :

Desirable :

Role requirements

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Notice

Due to the nature of the programs we deliver for our customers candidates may need to obtain the relevant security clearance or handle export‑controlled material as defined by the roles requirements. Applicants must be able to obtain and maintain the appropriate level of security clearance for the role. Due to the nature of our work you must be a British Citizen who has been resident in the UK for the past 5 years in order to apply for SC clearance and 10 years for DV. For more information please visit the UKSV website.

Our Benefits

Diversity Equity & Inclusion Statement

At Ultra I&C we are an equal opportunity employer and value diversity and inclusivity. Underpinned by our values behaviours and policies we want you to feel empowered to be the best version of yourself. We also believe that people from different backgrounds and cultures will increase our diversity of thinking ensuring we successfully deliver to our customers. We therefore do not discriminate based on race religion colour national origin gender sexual orientation age marital status veteran status or disability status. We also support requests for flexible working arrangements wherever possible. If you have any issues with your application please email us at

Employment Type : Full-Time

Experience : years

Vacancy : 1

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