Principal Cyber Security Architect

Marcus Donald People Limited
Published
September 2, 2025
Location
City Of London, United Kingdom
Category
Job Type
Salary
£700 - £800 per day

Description

Principal Cyber Security Architect with SC Clearance required for well-known government organization.

  • Inside IR35, £750 per day
  • 6 month contract
  • Hybrid role, requiring minimum two days per week in the London office.

This is a strategic role where the successful individual will use their security expertise to develop and maintain solutions that align with the organization. You will support the improvement of cyber resilience for the organisation and identify key programme and technical risks, leading the design of mitigating security architectures.

SKILLS REQUIRED:

  • Expertise in security architecture and applied security capability. (LEAD)
  • Certified to one, more or equivalent: CISSP, GICSP, GRID, SABSA, TOGAF. (LEAD)
  • Practitioner in information risk assessment and risk management.
  • Experience of working in Cyber Security within Critical National Infrastructure.
  • Extensive experience working collaboratively with diverse colleagues.
  • Have experience in the process of developing and managing a range of options and decisions that aligns with your organization’s priorities.
  • Develops, plans and delivers work outcomes, including clear and transparent work objectives, milestones and success metrics.
  • Preference will be given to candidates with experience of the Energy sector.

ROLE & RESPONSIBILITIES:

  • Lead projects with high strategic impact, setting a strategy that can be used in the long term and across the whole organisation.
  • Ensure the CTO function and teams have a constantly updated repository of best practice resources available to reduce cyber risk whilst transforming towards Secure By Design.
  • Leverage a variety of sources to continuously maintain Cyber Reference Architecture with principles, requirements, patterns, anti-patterns, implementation, engineering and operational maintenance options.
  • Influence key organisational and architectural decisions, and interact with senior stakeholders across organisations to reach and influence a wide range of people across larger teams and communities. To support the team deliverables, that utilise your expertise to ensure successful outcomes across team members and collaborating teams
  • Provide clear and transparent work objectives, milestones and success metrics in your area of expertise to oversee and co-ordinate successful team outcomes.
  • Collaborate closely with other teams to manage interdependencies, risks and resourcing to support portfolio delivery.

If you feel you have the skills required for this role, please send your CV for the attention of ALISON CALDER.

Apply
Drop files here browse files ...

I confirm that I have read and accept the Privacy Policy. By sending my CV, I give my consent for Marcus Donald People to process and store my personal data, share my CV with clients and receive marketing communications regarding job opportunities

You can withdraw your consent at any point by emailing consent@marcusdonald.com

Related Jobs

Principal Infrastructure Designer   Hampshire, United Kingdom
December 30, 2023

Quick Drop CV

Scroll to Top
Are you sure you want to delete this file?
/