Senior Application Security Analyst

Mission Overview: Keystone Solutions is seeking a Senior Application Security Analyst with a technical orientation and DevSecOps expertise for a consultancy mission at a client site. The client manages a portfolio of approximately 800 applications, including nearly 400 web applications, utilizing various technologies and providers. A lack of mastery over their lifecycle can lead to significant risks, including service interruptions, data compromises, and increased technical debt.

Key Responsibilities
As a consultant representing Keystone Solutions, you will be responsible for:
• Managing technical controls for Secure Application Lifecycle Management (SALM) and integrating them into development practices.
• Utilizing results from tools to qualify vulnerabilities, assist in their remediation, and contribute to the automation of controls in CI/CD pipelines.
• Determining application criticality and applicable security controls.
• Conducting risk analyses and monitoring measures according to established methodologies.
• Defining application security standards and practices.
• Integrating security controls into DevSecOps/CI/CD projects, including SAST, DAST, SCA, vulnerability scans, and penetration testing.
• Monitoring exceptions, residual risks, and recommendations prior to production deployment.
• Advising project, development, architecture, and operations teams. Expected Behavioral

Skills:
• Technical rigor: reproduce, qualify, and document findings.
• Pragmatism: prioritize exploitable vulnerabilities and propose realistic corrections.
• Pedagogy: explain vulnerabilities and remediations to developers.
• Curiosity: keep knowledge updated on attack techniques and tools.
• Autonomy: configure and operate controls while escalating complex cases.
• Collaboration: work with projects, developers, DevSecOps, SecOps, and providers. Why Join Keystone Solutions? As a consultant at Keystone Solutions, you will

experience:
• Consultancy Nature: Focus on on-site work and embodying the consultant identity.
• Dynamic Projects: Engage with diverse challenges across various client environments.
• Turbo-Charged Learning: Benefit from professional development and broad learning experiences.
• Skyrocketing Ambition: Enjoy a commitment to career growth within our framework.
• Values: Being a "K-Stone" means bringing our core values to every engagement. If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. Duration: 04/01/2027
- 03/01/2028 12 months
• (full time) Skills required:
• Analyse et qualification des vulnérabilités : exploitabilité, impact, faux positifs et priorisation
• (mandatory)
- Level: T3
- Senior
- Most recent: Any time
• Architecture et sécurité applicative : flux, authentification, autorisation, chiffrement, API et dépendances
• (mandatory)
- Level: T2
- Confirmed
- Most recent: Any time
• Chaînes CI/CD et pratiques DevSecOps : intégration, paramétrage, automatisation et quality gates
• (mandatory)
- Level: T3
- Senior
- Most recent: Any time
• Outils de sécurité applicative : SAST, DAST, SCA, détection de secrets et scans de vulnérabilités
• (mandatory)
- Level: T2
- Confirmed
- Most recent: Any time
• Référentiels techniques : OWASP Top 10, ASVS, SAMM, CWE, CVSS et NIST SSDF
• (mandatory)
- Level: T2
- Confirmed
- Most recent: Any time
• Restitution technique, documentation et accompagnement des équipes de développement
• (mandatory)
- Level: T2
- Confirmed
- Most recent: Any time
• Sécurité du développement, API, dépendances logicielles, conteneurs et gestion des secrets
• (mandatory)
- Level: T2
- Confirmed
- Most recent: Any time Language

requirements:
French (mandatory) Level Proficiency (C2)