Technical Security Consultant

  • Barclay Simpson Recruitment
  • 11/09/2026
Contractor Information Technology Telecommunications

Job Description

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 life cycle.
  • 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.