Senior/ Principal Security Architect

Overview of Company

Ascentor specialises in independent cyber risk management. We view information security as a powerful business enabler. As part of the Amtivo Group, we specialise in independent information and cyber security consultancy.

Who are we looking for?

The candidate shall have wide and deep knowledge of Information Security, superb communication skills and be comfortable operating at all levels within a customer’s management structure.

Role Overview and Core Responsibilities

Ascentor is recruiting Senior/Principal Security Architect to deliver Ascentor services such as certification audits of computer networks and their vulnerabilities, evaluate and build infrastructures including, Cyber Essentials (CE), Cyber Essentials Plus (CE+) and IASME Cyber Assured audits for Ascentor and Amtivo group customers and support the Ascentor growth plan of developing Cyber Security Strategy, Programmes and Plans as well as Security Architecture and High-Level Designs.

They shall have an excellent understanding of the vulnerabilities that exist within modern ICT and how technology can be used to mitigate the information risks organisations face. A strong understanding of the security pros and cons of using the cloud is expected.

Knowledge of the MoD approach to Accreditation, Secure by Design and Security Management essential, e.g. RMADS development within the CADMID project lifecycle.

IA or Cyber Sy work within central government and civil nuclear experience would be a positive advantage, with SC vetting as a minimum.

They will have the highest levels of personal integrity, be dynamic, resourceful, customer and delivery focussed with a passion for Information Security. A desire for continuous learning and deep dive into technology, is a mandatory requirement

They will be an integral part of the team and will relish sharing knowledge, mentoring the less experienced members of Ascentor and be able to provide advice, guidance and peer review deliverables. They should be comfortable delivering topics at speaking events, using social media, writing blogs or white papers as part of the wider Ascentor sales and marketing effort. They will have demonstrable experience of maintaining positive and professional relationships with their previous clients.

Qualifications and Training


  • CCP Senior IA Architect or equivalent
  • BSc (2:1) or a minimum of 10 years in Information Security roles
  • MEng
  • Functional knowledge/awareness of Cross Domain solutions Gateways/Guards operation
  • Virtual simulation/training environment experience
  • Object Oriented Programming
  • Recent MoD experience
  • Architecture Modelling
  • DV
  • Full UK driving licence


  • CCP Practitioner IA Architect or equivalent experience
  • CCP Senior IA Architect or equivalent experience
  • CISA
  • Cloud Security
  • CEng
  • Experience working with the HLA protocol specification
  • Experience in delivering security for defence projects as a security lead with a defence prime or subcontractor

If you’re interested in a confidential conversation, please email your CV to