Senior Security Engineer

Company: Michael James Associates
Apply for the Senior Security Engineer
Location: London
Job Description:

A leading organisation undergoing an exciting digital transformation programme is looking to appoint a Senior Security Engineer to join its Cyber Security function.

This is a key role providing cyber security expertise across strategic and non-strategic change initiatives, helping to protect critical systems, data, and customers from evolving cyber security threats.

Working closely with delivery teams, technology functions, and business stakeholders, you will play a central role in embedding security best practices across projects, supporting modernisation initiatives, and ensuring secure delivery of new and existing technology services.

This opportunity is ideal for a security professional with a strong engineering background who enjoys working across multiple areas of cyber security, delivering change, and helping shape secure technology environments.

Key Responsibilities

  • Lead the implementation, configuration, and commissioning of security infrastructure, tooling, and controls across cyber-led initiatives
  • Provide subject matter expertise across key cyber security domains including:
  • Security Architecture
  • Application Security
  • Cryptography
  • Support delivery teams by embedding security controls and assurance throughout projects
  • Work with internal teams, suppliers, and external partners to ensure security requirements are delivered effectively
  • Coordinate third-party security resources and ensure projects are appropriately supported
  • Plan and manage penetration testing activities, oversee remediation work, and communicate risks ahead of go-live
  • Contribute to the development of security architecture, secure development practices, and application security standards
  • Support Cyber Operations teams during major incidents, disaster recovery, and business continuity scenarios
  • Work closely with development teams to ensure applications are delivered following security best practice
  • Support the wider Cyber Security leadership team with strategic security initiatives

Skills & Experience Required

  • Proven experience working as a Senior Security Engineer or similar role within a medium or large organisation
  • Strong cyber security engineering background, ideally within a regulated environment such as Financial Services, Insurance, or another highly governed industry
  • Experience delivering both large-scale and smaller security transformation projects
  • Strong practical knowledge of traditional security technologies alongside modern security tooling
  • Experience across multiple security domains including infrastructure, application, cloud, and risk management
  • Relevant security certifications such as CISSP, CISM, CSSP, or equivalent
  • Hands‑on experience with:
  • SAST (Static Application Security Testing)
  • DAST (Dynamic Application Security Testing)
  • SCA (Software Composition Analysis)
  • Experience integrating security tooling into development pipelines and SDLC processes
  • Strong experience consulting on projects, defining security requirements, and reducing operational risk
  • Excellent analytical and problem‑solving skills
  • Ability to communicate complex technical concepts clearly to both technical and non‑technical stakeholders

What’s on Offer

  • Opportunity to join a major digital transformation programme
  • Work on impactful cyber security initiatives across a complex technology environment
  • Exposure to modern security tooling, architecture, and engineering practices
  • Collaboration with experienced technology and security professionals
  • Opportunity to influence security strategy, standards, and future ways of working
  • Long‑term career development within a growing security function

If you are a Senior Security Engineer looking for an opportunity to combine technical expertise, transformation delivery, and strategic influence, we would love to hear from you.

Please send your updated CV for consideration.

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Posted: June 15th, 2026