Senior Security Testing Specialist – Application Security

Jobtailor; Arizona; On-site; USD 90,000 - 130,000; Full time

Job summary

Jobtailor is seeking a security testing professional to perform comprehensive assessments across applications, cloud, networks, and AI systems. You will administer DAST platforms, build AI-powered testing capabilities, and conduct deep-dive assessments to uncover complex vulnerabilities and attack chains.

The role involves collaborating with stakeholders to translate findings into actionable remediation guidance and improving enterprise security risk posture.

Qualifications

• Experience performing application, cloud, network, or infrastructure penetration testing.
• Experience administering vulnerability scanning or DAST platforms.
• Experience with AWS, Azure, Google Cloud Platform (GCP).
• Experience assessing AI-powered applications, large language models (LLMs), AI agents, or ML systems.
• Experience with API security testing and OWASP Top 10 vulnerabilities.
• Experience with hardware, embedded systems, kiosks, ATMs, IoT, or other specialized technology security assessments.
• Experience designing AI-powered security testing harnesses or automated vulnerability frameworks.
• Strong understanding of attack methodologies and security automation.
• Masters or PhD or certifications desirable.

Responsibilities

• Conducts security assessments of applications, APIs, cloud environments, networks, AI systems, and other technology platforms to identify vulnerabilities and weaknesses.
• Administers and operates security testing capabilities including DAST platforms and automated scanning infrastructure.
• Develops and integrates AI-powered security testing capabilities and autonomous assessment workflows.
• Performs targeted penetration testing and deep-dive security assessments to identify complex attack chains.
• Researches emerging threats and testing methodologies to enhance vulnerability discovery.
• Reviews testing results with stakeholders, determines risk ratings, and provides remediation guidance.

Skills

Penetration testing

Security testing

AI-powered testing

Vulnerability research

Security automation

Threat modeling

Education

Masters degree

PhD

Tools

DAST platforms

Automated scanning infrastructure

Testing automation tooling

Job description

Responsibilities

• Conducts security assessments of applications, APIs, cloud environments, networks, artificial intelligence systems, and other technology platforms to identify vulnerabilities, attack paths, and security control weaknesses.
• Administers and operates security testing capabilities, including DAST platforms, automated scanning infrastructure, vulnerability validation processes, and security testing automation.
• Develops and integrates AI-powered security testing capabilities, including custom testing harnesses, autonomous assessment workflows, and tooling that improves the effectiveness and efficiency of security assessments.
• Performs targeted penetration testing and deep-dive security assessments of critical systems, technologies, and business processes to identify complex attack chains and high-impact vulnerabilities.
• Researches emerging threats, attack techniques, and security technologies to develop innovative testing methodologies and enhance vulnerability discovery capabilities.
• Reviews testing results with stakeholders, determines risk ratings, and provides technical remediation guidance to reduce enterprise security risk.

Requirements

• Experience performing application, cloud, network, or infrastructure penetration testing.
• Experience administering enterprise vulnerability scanning or DAST platforms.
• Experience with AWS, Azure, Google Cloud Platform (GCP), or cloud‑native technologies.
• Experience assessing AI‑powered applications, large language models (LLMs), AI agents, or machine learning systems.
• Experience with API security testing, authentication and authorization testing, and OWASP Top 10 vulnerabilities.
• Experience with hardware, embedded systems, kiosks, ATMs, IoT, or other specialized technology security assessments.
• Experience designing and developing AI‑powered security testing harnesses, custom security tooling, or automated vulnerability assessment frameworks.
• Strong understanding of attack methodologies, vulnerability research, exploit development, adversarial testing techniques, and security automation.
• Higher level education such as a Masters degree, PhD, or certifications is desirable.

Certifications & Qualifications

• Masters degree
• PhD