Ui Ux Designer jobs in United Kingdom

ALTEN is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, and many more to deliver innovative engineering solutions that drive technological advancement and support sustainable transformation.

Our teams of passionate and agile engineers work on cutting‑edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Play a pivotal role in the design, integration, and deployment of high‑performance real‑time software applications within distributed, containerised environments. You will support the development of advanced sonar systems and autonomous undersea vehicles, taking models and algorithms and transforming them into robust, operational software.

Your expertise will ensure the seamless operation of these systems, enhancing capabilities in undersea security, mine countermeasures, and subsea infrastructure monitoring.

Location: Manchester (Stockport) • On‑site: Monday – Friday (5 days) • Seniority: Senior (8+ years’ experience) • Clearance: SC clearable (no caveats)

• Develop, integrate, and deploy real‑time software applications in distributed, containerised environments.
• Apply full software life‑cycle experience, including design, coding, testing, and integration.
• Collaborate with algorithm engineers to implement models into operational systems.
• Maintain high code quality, following clean‑coding principles, static analysis, and best practices.
• Support unit testing and wider software testing to ensure reliability and performance.
• Contribute to software build pipelines, CI/CD, and deployment processes.
• Create and maintain comprehensive software documentation and project reporting.

• Strong experience in C++, with working knowledge of Java and Python.
• Experience with Linux targets, infrastructure, and scripting.
• Familiarity with software architectures, model‑driven development, and system software design.
• Proficiency in SCM (including Jira), software development processes, and build pipelines.
• Knowledge of container deployment, networking, and GPU integration where relevant.
• Understanding of software test processes, both unit and wider testing.

• Strong teamwork, collaborating effectively across multidisciplinary engineering teams.
• Excellent communication skills, able to clearly convey technical and deployment information.
• Demonstrated leadership, mentoring colleagues, and influencing software delivery.
• Positive attitudes and behaviours, adaptable to fast‑paced, complex environments.
• Capable of project reporting and supporting risk management discussions.

• A Bachelor’s or Master’s degree in Software Engineering, Computer Science, or a related discipline.
• OR relevant technical military background with equivalent hands‑on experience.

• Familiarity with Linux scripting, Windows targets, and virtualisation.
• Experience with software assurance, CI/CD, and continuous improvement practices.
• Knowledge of Defence sector processes and tooling.
• Experience supporting software deployment, training, or operational handover.

• UKSV (United Kingdom Security Vetting) clearance is required, with Security Check (SC) as the minimum standard, either already held or with a willingness to undergo the process.
• Some roles/projects may require Developed Vetting (DV) clearance; while not mandatory, a willingness to obtain DV clearance would be beneficial.
• As part of the onboarding process, candidates will be asked to complete a Baseline Personnel Security Standard (BPSS); details of the evidence required to apply may be found on the government website.

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