Joint Defence Training Systems Architect

RTX Corporation; England; On-site; GBP 90,000 - 120,000; Full time

Job summary

RTX Corporation seeks a Solution Architect to support the Future Joint Command and Staff Trainer (FJCAST) programme, delivering secure, interoperable, data‑driven training capabilities across UK Defence, NATO and partners.

The role covers architecture, systems integration, simulation, networking, and Secure by Design, guiding requirements, design artefacts, and accreditation activities to achieve operational readiness.

Qualifications

• Proven ability to translate customer requirements into robust technical architectures.
• Experience with live, virtual and constructive training environments.
• Strong focus on interoperability across defence, NATO, and coalition partners.

Responsibilities

• Design secure, scalable solution architectures aligned with programme objectives.
• Lead architecture artefact creation and integration patterns across systems.
• Collaborate with stakeholders to ensure traceability from requirements to solutions.
• Support governance boards and architecture design authorities.
• Oversee modelling, simulation, and distributed compute architectures.

Skills

Solution architecture

Systems integration

Security by design

Requirements engineering

Education

TOGAF

ArchiMate

SAFe

ITIL4

CISSP

Tools

HLA

DIS

NATO standards

Job description

RTX Corporation seeks a Solution Architect to support the Future Joint Command and Staff Trainer (FJCAST) programme, delivering secure, interoperable, data‑driven training capabilities across UK Defence, NATO and partners.

The role covers architecture, systems integration, simulation, networking, and Secure by Design, guiding requirements, design artefacts, and accreditation activities to achieve operational readiness.