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Technical Security Consultant

  • Hybrid-WFH/London 2-3 days a week
  • Outside IR35

Technical Security Consultant required to support the development and continuous improvement of a Secure Software Development Lifecycle (SDLC) capability. This is a technical assurance role combining Secure SDLC, DevSecOps, application security and architecture expertise to assess control effectiveness, tooling coverage and adoption across modern engineering environments.

Key Responsibilities

  • Assess Secure SDLC controls across design, development, testing, release and operation.
  • Review security architecture, tooling coverage, integration dependencies and control gaps.
  • Assess capabilities including SAST, SCA, DAST, secrets scanning, IaC scanning, API security, threat modelling and CI/CD security.
  • Map controls against frameworks including NIST SSDF, OWASP SAMM and OWASP DSOMM.
  • Review security tooling and integrations across GitHub, GitLab, CI/CD and cloud environments.
  • Conduct control-effectiveness assessments, evidence reviews and maturity/gap analysis.
  • Facilitate workshops with engineering, security and product teams.
  • Support KPI/KRI development, assurance reporting and remediation oversight.

Key Experience

  • Strong Secure SDLC, DevSecOps or Application Security experience.
  • Good understanding of security controls throughout the software development lifecycle.
  • Experience with security assurance, control frameworks, architecture or capability mapping.
  • Knowledge of application security tooling such as GitHub Advanced Security, CodeQL, Dependabot, Fortify, Qualys or Checkov beneficial.
  • Strong stakeholder management with the ability to challenge technical and engineering teams.
  • Knowledge of vulnerability management, exception governance and remediation processes advantageous.
  • SC clearance or ability to obtain SC clearance required.

Barclay Simpson - global leaders in Cyber Security recruitment: https://www.barclaysimpson.com/specialisms/cyber-security-jobs/

This is an official job listing by Barclay Simpson: https://www.barclaysimpson.com/job/jem-44935/technical-security-consultant/

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We seek individuals from a diverse talent pool and encourage applicants from underrepresented groups to apply to our vacancies. Our commitment to fair recruitment processes means that we welcome applicants from all backgrounds, regardless of their lived experience or personal characteristics. We also invite applicants who meet most of the listed requirements, even if not all, to apply. If you require any adjustments to the application process, please let us know.

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