Senior Application Security Engineer - #2171303

MPower Plus


Date: 2 hours ago
City: Sheffield
Contract type: Contractor
MPower Plus

Role: DevSecOps Engineer

Location: Sheffield, UK

Hybrid work: 2- 3 days a week

Contract Inside IR35 on umbrella


Role Purpose

  • Embed security controls into the developer workflows that use Claude Code, including SAST integration on AI-generated code, secrets scanning, and secure CI/CD pipeline design.

Key Responsibilities


  • Integrate SAST tools (SonarQube, Semgrep, Checkmarx) into CI/CD pipelines to scan AI-generated code.
  • Deploy and maintain secrets scanning (Trufflehog, GitGuardian) on Claude Code outputs and repositories.
  • Define and enforce secure code review gates for AI-assisted development.
  • Provide developer-facing security guidance and embed security champions within engineering teams.
  • Instrument Claude Code usage for security telemetry; feed data to SIEM.
  • Support incident response for code-related security events.

Required Skills / Experience

  • 5+ years in DevSecOps or application security.
  • Strong CI/CD pipeline experience (GitHub Actions, GitLab CI, Jenkins).
  • Experience with SAST, DAST, and secrets scanning tooling.
  • Application security knowledge: OWASP Top 10, secure coding practices.
  • Scripting: Python, Bash, or similar.

Desirable Skills / Experience

  • Familiarity with AI code generation tools and their security implications.
  • Experience with supply chain security (SBOM, SLSA).
  • CSSLP or equivalent certification.


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