Security Architect (OMNIA)

The OMNIA Security Architect role is a mission‑driven position focused on designing, delivering, and transforming collective training to support the British Army’s training system. You will work in a matrixed organisation, reporting operationally through OMNIA Training Support Branch and functionally through the Raytheon UK Engineering Management team’s Systems Security Engineering Group. The role requires a versatile individual who can operate independently and lead from the front to deliver the Collective Training Transformation Programme (CTTP).

Key Responsibilities

• Develop, manage and communicate the security vision, architecture specifications, analysis, threat‑modelling, security requirements, standards, design patterns, reference architectures, and roadmaps.
• Apply security‑design principles to produce secure architectures.
• Lead security interactions with senior internal and external stakeholders.
• Provide security assurance for systems.
• Drive the strategic direction of security projects to enable the information‑security strategy.
• Capture, expand, and analyse security requirements.
• Develop innovative security solutions to support the long‑term security architecture.
• Evaluate and validate security technologies through proof‑of‑concepts.
• Build cross‑organisational relationships and influence the architecture team.
• Support the security technology lifecycle.
• Collaborate with other architects to embed security in technology‑domain architectures.
• Assist with peer reviews and security risk assessments during application and system lifecycle management.
• Stay abreast of security technologies and recommend their use based on business value and risk mitigation.
• Advise senior leadership on cybersecurity issues, systems, processes, products, and services.
• Maintain oversight of system design and implementation to ensure effective security controls.
• Serve as a cybersecurity expert in defining overall system architecture.

Essential Skills & Experience

• Self‑starter capable of prioritising and planning complex work in changing environments.
• Experience engaging customers, both internal and external.
• Strong critical thinker with problem‑solving aptitude.
• Highly organised, outcome‑focussed, with a “can‑do” attitude.
• Excellent communication of complex security problems to senior stakeholders.
• Experience with enterprise‑architecture methodologies such as TOGAF or MODAF.
• Knowledge of risk management frameworks and methodologies.
• Experience in deconstructing security requirements.
• Understanding of secure‑by‑design principles.
• Familiarity with waterfall and agile methodologies.
• Awareness of obsolescence impacts on information assurance.
• Experience or knowledge of cloud hosting and major cloud providers.
• Knowledge of DevSecOps tooling and processes.
• Working knowledge of MoD or government IT security environments at classified levels including SECRET and above.
• Proven experience leading a small team.
• Willingness to travel.
• Security clearance above BPSS or ability to obtain one.

Desirable Skills & Experience

• BSc in Information Security or equivalent commercial programme security experience.
• Professional security certifications: CISSP, CISM, CRISC, CGRC.
• Knowledge of Government Standard 007: Security, ISO 27001, and NIST.
• Experience with supply‑chain security management.
• ITIL or problem management experience.
• Familiarity with GEOINT, SIGINT, ACINT, MASINT, OSINT, HUMINT and related analysis.

What We Offer

• Part of a groundbreaking mission within a pioneering defence training alliance.
• A collaborative, inclusive culture focused on results.
• Opportunities for career progression and professional development.
• Competitive benefits package, clear pathways to advancement.

Equal Employment Opportunity

OMNIA Training and its partners are proud to be an equal‑opportunity employer. We welcome applicants of all backgrounds. All qualified applications will be considered without regard to ethnicity, colour, religion, gender, sexual orientation, identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

Formal offers will be conditional upon award expected December 2025.