Security Assurance Lead (OMNIA)

Date Posted:

2025-10-20

Country:

United Kingdom

Location:

GBR10: Warminster, HFT, Warminster Training Centre, Imber Road, Warminster, BA12 0DJ

Position Role Type:

Unspecified

Omnia Security Assurance Lead

Warminster based, hybrid working

Be at the forefront of transforming British Army training.

About us:

At OMNIA Training, we’ve brought together some of the UK’s most innovative defence training organisations under one powerful mission: to transform the British Army’s training system and create the best-trained Army in the world.

OMNIA are redefining the British Army’s collective training. To do that, we are looking for the best and brightest minds from across the UK. We are backed by British innovation and powered by world-class experts, like you. OMNIA is at the heart of the UK’s bold Land Industrial Strategy.

The role:

This is more than a job — it’s a mission. You will be part of a high-impact, collaborative environment, where we expect everyone to live the values and standards of the British Army. Every person in our team plays a critical role in delivering OMNIA’s vision; designing, delivering, and transforming collective training so the British Army is ready to fight and win.

You’ll work in a matrix organisation and report operationally through OMNIA Training Support Branch and functionally through the Raytheon UK Engineering Management team, specifically the Systems Security Engineering Group. Ultimately, you’ll work with the British Army, championing innovation, and helping shape the future of military collective training.

The Omnia Security Assurance Lead role requires a versatile individual who can make effective and highly valued contributions to activities across the project lifecycle in collective training and IT environments. The candidate is expected to be capable of operating in a senior technical role working closely with customer and delivery teams; alone and unsupervised if necessary. This position is critical to the successful delivery of the Collective Training Transformation Programme (CTTP), ensuring that training is delivered to meet the British Army’s needs. This role concentrates on Information Assurance and Cyber Security but does not exclude supporting Physical and Personnel security elements.

The successful candidate will be responsible for ensuring programme security and information assets are protected through policy, procedural and technical enhancements. You will be comfortable working in a matrix management organisation and will act as the trusted security advisor to the programme by ensuring industry best practice and customer security requirements are implemented with regards to IA, cyber security and risk management. You will be required to design and support implementation and provide ongoing IA support of secure cloud solutions as well as on premises solutions as required. Managing the Omnia Security Team, you will be the Programme Secure by Design Subject Matter Expert. This role will be based in the Warminster area.

Key Responsibilities:

• Leading the development and management of the Omnia security vision, threat-modelling, security requirements, security standards, reference architectures, security strategies and roadmaps; in order to deliver security assurance across and throughout the life of the programme
• Lead security interactions with senior internal and external stakeholders
• Supporting security assurance of systems
• Capturing, expanding, and analysing security requirements
• Developing innovative security solutions to be in alignment with the customer’s risk posture
• Driving security technology evaluations and proofs-of-concept
• Building strong cross-organisational relationships and driving a security-minded culture
• Managing the lifecycle of security technologies
• Working closely with the other programme services to ensure that security is properly embedded
• Evaluating and assessing security risk including application and system lifecycle management
• Staying current with security technologies and making recommendations for use, based on business value
• Advising leadership on Cybersecurity issues, systems, processes, products, and services
• Maintaining oversight of the design, implementation and through-life of systems to ensure appropriate and effective security controls are included and maintained
  
  

Who we are looking for:

We’re after 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.

Essential Skills and Experience:

• Forward facing – experienced in talking to/chairing meetings with customers at a senior level)
• Strong strategic business acumen and understanding of business strategy and the ability to identify solutions to deliver that strategy
• Self-starter with the ability to appropriately prioritise and plan complex work in a rapidly changing environment
• Strong critical thinker with problem solving aptitude
• Highly organised, discrete, outcome focussed, with a “can do” attitude
• Strong communication skills (oral, presentation and written)
• Understands security requirements and how to decompose them
• Knowledge of Information Assurance (IA) processes and procedures
• Understanding/experience of Secure by Design
• Supporting the development of Risk Management Framework documents and controls
• Understanding how obsolescence impacts Information Assurance
• Understanding of formulating, recording and managing security risk
• Understanding/experience of waterfall and agile methodologies
• Able to articulate and solve complex security problems and concepts, by interrogating and using data or intelligence to formulate and influence plans
• Able to interpret complex and diverse business and technical requirements and issues, and identify and communicate viable solutions or controls
• Manage a small team of security experts and liaise with other areas of Security (including Physical, Personnel and Branch Security) both internally in Omnia and with the wider customer community.
• Strong strategic business acumen and understanding of business strategy and the ability to identify Solutions to deliver that strategy
• Effectively translate and accurately communicate security risk implications at the most senior levels across diverse technical and non-technical stakeholders
• Strong management of stakeholders’ expectations across high-risk and complexity or under constrained timescales
• Understanding of formulating, recording and managing security risk and applying risk methodologies
• Contribute to and inform identification of new technology, new security advances and new security risks to best develop future solutions
• A working knowledge of MoD or Government IT Security environments and requirements at various classifications
• Hold a security clearance above BPSS, or the ability to gain it
  
  

Desirable Skills and Experience:

• BSc. Information Security or significant commercial experience in a programme security environment
• Professional Information Security certifications in at least one of the following: CISSP, CISM, CRISC, CGRC
• Broad understanding of Cloud hosting and Cloud architectures for one or more major Cloud providers
• Experience in, or knowledge of, DevSecOps Tooling and Processes
• Passion for Information Security and continuous learning
• Problem management and/or ITIL experience
• Experience/understanding of Cryptography including processes and procedures
• Working knowledge of Government Standard 007: Security, ISO 27001 and/or NIST controls
• Working knowledge of NIST Risk Management Framework
• Passion for Information Security and continuous learning
• Formal offers to successful candidates will be conditional upon award expected December 2025*
  
  

What we offer:

• Be Part of a Groundbreaking Mission Join the UK’s most advanced defence training alliance, where industry experts converge to push boundaries and deliver excellence.
• A Culture Built on Collaboration Work in an inclusive, high-performing team that celebrates ideas, supports growth, and is laser-focused on delivering results.
• Team dynamics You will be part of a team that works together, across multiple organisations united in one mission.
• Work Across Borders, United in Purpose Operate across organisations with one shared goal - improving capability across all domains.
• Drive Innovation Your voice matters. We champion new ideas, welcome change, and believe in continuous improvement with a growth mind-set.
• Shape the Future Play a crucial role in a long-term, future-facing programme with real-world impact on national defence.
• Career Growth & Benefits Enjoy a strong benefits package, ongoing development opportunities, and clear pathways to progress within a trusted defence industry partner.
  
  

OMNIA Training and its partners are proud to be an equal opportunity employer. We welcome applicants of all backgrounds and identities — what matters is your passion, your expertise, and your dedication to the mission.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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