Staff Offensive Security Engineer

Job Description

What youll be doing

• Work in a team-orientated fast-paced global and flexible environment

• Perform penetration testing across our entire product and infrastructure

• Perform SaaS-based red team exercises with specific goal oriented objectives

• Continuously evolve your skills toward AI evaluation and knowledge based on emerging tactics techniques and procedures related to AI agent vulnerabilities

• Collaborate with our AI Security threat intelligence threat monitoring and threat engineering teams to understand our threats provide practical validations of threats and ensure our protections and incident response are continuously refined

• Provide actionable insights for our Product Development team regarding vulnerabilities

What you bring to the role

• A deep understanding of SaaS environments including the unique security threats that apply.

• Strong technical understanding of LLM architectures RAG pipelines and agentic AI systems including their attack surfaces vulnerabilities and security implications

• A demonstrated understanding of quantitative analysis for large scale evaluations.

• Excellent problem solving skills and self-motivation to learn and upskill regularly.

• Excellent communication skills with the ability to actively listen take on feedback and be a positive member of any team.

• At least 7 years of professional experience in the field of offensive security.

• A strong knowledge of modern web application architecture and the vulnerabilities often associated with them.

• A strong knowledge of LLMs including their unique security threats and how embedded vectors impact performance

• Proficiency in offensive security tooling such as a web proxy like Burp Suite Nmap Kali and a scripting language of your choice.

• Experience with AWS and its security features

• Experience with developing or testing AI systems at scale.

• Experience with AI Security tools (e.g. promptfoo etc.)

• Experience with MacOS & Apple infrastructure and its security features

• 10 years of professional experience in the field of offensive security

• Professional certifications related to offensive security including but not limited to: OSCP CEH CPT GPEN OSCE OSWP OSWE OSEE OSDA PNPT CPENT CRTO GXPN

• Published vulnerabilities bug bounty reputation or other contributions to the industry

• Talks conference appearances or other professional event experience

The intelligent heart of customer experience

Zendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love.

Zendesk believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working enables us to purposefully come together in person at one of our many Zendesk offices around the world to connect collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week.

As part of our commitment to fairness and transparency we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position in accordance with Company guidelines and applicable law.

Zendesk is an equal opportunity employer and were proud of our ongoing efforts to foster global diversity equity & inclusion in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race color religion national origin age sex gender gender identity gender expression sexual orientation marital status medical condition ancestry disability military or veteran status or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law please click here.

Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application complete any pre-employment testing or otherwise participate in the employee selection process please send an e-mail to with your specific accommodation request.