Defence IT Solutions Architect

Amentum; Cardiff; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Free medical cover (UK)

Digital GP services

Enhanced family-friendly policies

Employee assistance programmes

Matched funding for volunteering

Paid volunteering

Charitable contributions

Professional development reimbursement

Job summary

Amentum is seeking an IT Architect to join our growing team supporting Defence projects in the UK. You will bridge business needs and technical solutions, ensuring ICT designs align with client goals and operations.

With 5+ years delivering complex IT landscapes, you will own solution architecture across the lifecycle, engage with UK MOD customers, and drive secure, scalable IT architectures while continuing to learn new technologies.

Qualifications

• 5+ years designing and delivering complex IT systems, ideally Defence or high-assurance environments.
• Proven experience owning solution architecture and delivering outcomes across the full systems engineering lifecycle.
• Experience with UK MOD customers (e.g., DE&S, Defence Digital) or similar organisations.
• Deep knowledge across software development, networks, data management, virtualization and cloud computing.
• Continuous learning to stay current with evolving IT landscape and technologies.

Responsibilities

• Define IT architecture: analyse requirements, identify solutions, and create architecture blueprints.
• Design, develop, and implement IT systems meeting performance, security and scalability requirements.
• Monitor system performance, identify bottlenecks, and implement improvements.
• Enhance security and compliance with encryption, access controls, and standards.
• Communicate complex concepts to technical and non-technical stakeholders.
• Stay up-to-date with new technologies and industry standards.

Skills

IT architecture

Analytical thinking

Stakeholder engagement

Technical documentation

Mentoring teams

Communication

Education

Bachelor's degree in IT/Engineering

Tools

TOGAF

UAF

SysML

UML

Sparx EA

Cloud platforms

Job description

Amentum is seeking an IT Architect to join our growing team supporting Defence projects in the UK. You will bridge business needs and technical solutions, ensuring ICT designs align with client goals and operations.

With 5+ years delivering complex IT landscapes, you will own solution architecture across the lifecycle, engage with UK MOD customers, and drive secure, scalable IT architectures while continuing to learn new technologies.