Entry Level Offensive Security Engineer Jobs (NOW HIRING)

Are you a collaborative Penetration Tester looking to work for a mission driven global organization?

About the role - This role supports the offensive security function within Elsevier's Security Engineering team. You will perform hands-on security testing and peer review activities, validate vulnerabilities and security controls, and support the automation of security assurance processes. This is a hands-on role for a motivated security professional eager to grow in a collaborative, fast-paced environment.

About the team - The Security Assurance team supports the third-party penetration testing program, security control validation, and ongoing offensive security testing activities.

Responsibilities

• Tracking and triaging findings from third-party assessments, ensuring timely follow-up and remediation tracking.
• Collaborating with development, platform, and product teams to communicate findings, track remediation efforts, and improve overall security posture.
• Facilitating post-assessment reviews and lessons learned sessions with development teams to identify recurring security issues and promote secure development practices.
• Maintaining program documentation, test records, and reporting artifacts.
• Conducting penetration testing of web applications, APIs, cloud environments, and internal systems, escalating complex testing scenarios as needed.
• Performing peer review of penetration testing deliverables, including test plans, findings, and final reports.
• Participating in scoping exercises and contributing to the selection of appropriate testing methodologies.
• Supporting security assessments of GenAI-powered applications and features, including LLM integrations, RAG pipelines, and AI agents.
• Assisting in testing for AI-specific vulnerabilities such as prompt injection, jailbreaking, insecure output handling, model data leakage, and training data poisoning.
• Contributing to the development of internal GenAI security testing checklists and methodologies, aligned with frameworks such as OWASP Top 10 for LLMs.

Requirements

• Experience in information security, penetration testing, or a related field. Experience or coursework in software development, DevOps, or scripting is highly desirable.
• At least one relevant security certification (e.g., Security+, eJPT, PNPT, CEH, or equivalent) preferred; advanced offensive security certifications such as OSCP are a plus.
• Foundational understanding of web application architecture, networking, and operating system security.
• Familiarity with common penetration testing tools (e.g., Burp Suite, Nmap, Metasploit, Nuclei, or equivalent).
• Working knowledge of OWASP Top 10, common CVEs, and vulnerability scoring frameworks (CVSS).
• Scripting ability in at least one language (Python, Bash, PowerShell, or similar); development experience is a strong plus.
• Basic understanding of cloud environments (AWS, Azure, or GCP) and associated security considerations.
• Exposure to SAST/DAST tools and secure code review practices is desirable.
• Awareness of GenAI security risks (prompt injection, LLM abuse, insecure AI integrations)

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