Enterprise Architect

Rheinmetall$100K — $130K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Degree in Engineering, Systems Engineering, Defence Technology, or a related discipline.
  • Proven experience as an Enterprise Architect within Defence or other regulated domains.
  • Strong understanding of configuration management and system integration in secure environments.
  • Experience with Model-Based Systems Engineering (MBSE) tools like Sparx EA or ArchiMate 3.1.
  • Demonstrable knowledge of standards-based architectural frameworks like TOGAF or MODAF.
  • Experience planning for legacy data migration, particularly with Government-Furnished Information.
  • Strong stakeholder engagement and influencing skills.

Responsibilities

  • Define and govern the strategic architecture for Defence systems and services.
  • Lead the architectural direction for trial and test activities.
  • Collaborate with engineering and operational teams to validate capability architectures.
  • Maintain architecture artefacts and ensure traceability across the system lifecycle.
  • Contribute to governance forums to align architectural principles with strategic objectives.
  • Assure readiness for service through robust architectural solutions.
  • Support the deployment of simulation training systems with secure and scalable architectures.

Benefits

  • 25 days of holidays plus Bank Holidays (increasing with service).
  • Flexible Working arrangements.
  • 4-times Death-in-Service Scheme after 3 months of service.
  • BUPA Healthcare & Dental-Care Insurance after probation.
  • Long Service Rewards with additional holidays.
  • Enhanced Employer Pension contributions of 6.8%.
  • Salary sacrifice schemes for Cycle to Work.
  • Excellent Training Opportunities for career growth.
  • Recommend a friend scheme for additional benefits.
  • Options for Buying & Selling Annual Leave.
  • Social events throughout the year to promote team culture.
  • Recognition for outstanding work contributions.
Full Job Description
The Enterprise Architect will define and govern the strategic architecture underpinning complex Defence systems and services. The role ensures alignment across solution design, configuration management, data integration (including Government-Furnished Information), and enterprise-level architectural principles. This role requires deep engagement with system and data architecture, secure-by-design practices, configuration control, and planning for legacy data migration into the Defence Developer Services (D2S1) environment. You will also contribute to governance forums, maintain architecture artefacts, and ensure traceability across the system lifecycle.

The role offers the opportunity to lead and shape the architectural direction of trial and test activities, working within advanced simulation and integration environments. You will collaborate closely with engineering, acquisition, and operational teams across Defence to ensure that capability architectures are validated, interoperable with legacy systems, and aligned with strategic objectives. Your contributions will be critical in assuring readiness for service, enabling data-driven decision-making, and supporting the deployment of cutting-edge simulation training systems through robust, secure, and scalable architectures.

WHAT QUALIFICATIONS YOU SHOULD HAVE

Skills

Required, necessary for the role
  • Degree in Engineering, Systems Engineering, Defence Technology, or a related discipline.
  • Proven experience as an Enterprise Architect within Defence, government, or other regulated domains.
  • Strong understanding of configuration management, system integration, and data architecture in complex, secure environments.
  • Experience developing architecture artefacts using Model-Based Systems Engineering (MBSE) tools such as Sparx EA, ArchiMate 3.1. or equivalent.
  • Demonstrable knowledge of standards-based architectural frameworks (e.g., TOGAF, MODAF).
  • Experience with handling and planning for legacy data migration, including working with Government-Furnished Information (GFI) or equivalent third-party data sets and sources.
  • Knowledge of data governance, data quality management, and Extract, Transform, Load (ETL) planning.
  • Familiarity with Secure-by-Design principles, accreditation processes (e.g., RMADS), and cybersecurity standards applicable to Defence or secure systems.
  • Strong stakeholder engagement skills and ability to influence governance and decision-making forums.

Desired, would be helpful for the role
  • Experience working with MOD or Army platforms, systems, or data environments (e.g., D2S, Army Data Warehouse).
  • Understanding of Integrated Logistics Support (ILS), RAM targets, and through-life support integration.
  • Exposure to DevSecOps practices, including Continuous Integration/Continuous Deployment (CI/CD) pipelines and Infrastructure as Code (IaC) in secure environments.
  • Familiarity with safety and environmental assurance practices, including ALARP (As Low As Reasonably Practicable).

We're looking for a proactive and pragmatic Enterprise Architect who thrives in complex, regulated Defence environments and takes ownership of delivering secure, scalable, and standards-aligned architectural solutions. You'll be someone who understands the importance of aligning technical architecture with real-world operational needs, ensuring that capabilities are not only compliant, but also interoperable, sustainable, and effective in the hands of the Army.

Whether you have direct experience in Defence or transferable skills from a similar field, success in this role will require you to navigate both high-level strategic frameworks and detailed technical models, from governing data flows and system interfaces to contributing to security and accreditation reviews. Strong interpersonal skills are essential, as you'll collaborate across multidisciplinary teams, military stakeholders, and industry partners to shape, document, and evolve architectures that underpin critical training and simulation systems.

As OMNIA, we are looking for individuals who want to serve. You'll have a mission focus, and the enthusiasm and drive to 'get things done'. You'll want to work in collaboration with other defence training organisations, and the British Army. You won't let bureaucracy get in the way of what needs to be done, you'll learn lessons and share these lessons across the team. You won't necessarily have a military background, but you'll understand what it means to serve and to put the mission first.

WHAT WE OFFER YOU

We want REUK to be the employer you choose to build your career with. We have lots of opportunity to grow as our business continues to grow.

  • 25 days holidays plus Bank Holidays (increasing with service)
  • Flexible Working
  • 4-times Death-in-Service Scheme (3 months of service)
  • BUPA Healthcare & Dental-Care Insurance (after successful completion of probation period)
  • Long Service Rewards with additional holidays
  • Enhanced Employer Pension contributions of 6.8%
  • Salary sacrifice schemes for Cycle to Work
  • Excellent Training Opportunities
  • Recommend a friend scheme
  • Buying & Selling of Annual Leave
  • Staff social events throughout the year
  • Recognition for your work


CONTACT INFORMATION

Applicants must be willing to work within the Defence sector and undertake Baseline Personnel Security Standard (BPSS) and Security Clearance (SC) checks, if not already held.

To apply, please submit your CV to [email protected]

Jetzt bewerben!

About Rheinmetall

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