Sr. Cybersecurity Engineer (Application and AI Security)

The Company

Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And we're just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insights aimed at solving important health challenges. To continue what we've started: Improving human health.

We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. We've already changed millions of lives and we're ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. We'll get there by constantly reinventing unique biosensing-technology experiences. Though we've come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us.

Meet the team:

The Dexcom Enterprise Information Security team is hiring a Sr. Cybersecurity Engineer – Application and AI Security to act as the technical expert in both Application and AI security. This role includes leading initiatives, working closely with other teams to protect IT applications, and helping automate and implement security measures throughout the software development lifecycle (SDLC). The engineer will also deploy tools and controls to strengthen application security.

Reporting to the APAC IT team, with a dotted line of oversight from the Enterprise Product Security team, this position serves as a strategic representative for InfoSec among global application, infrastructure, and compliance teams. As Dexcom's Information Security program expands, this job offers excellent opportunities for professional growth.

Where you come in:

• You will perform security reviews on cloud workloads and applications; document findings and collaborate with service owners for remediation.
• You will use tools like CSPM, AISPM, SCA, SAST, and DAST to identify and prioritize risks; assist in correlating findings from platforms such as Wiz, Apiiro, Snyk, and Qualys.
• You are to represent InfoSec in application/system design reviews and code reviews.
• You will manage AppSec technology and integrate and automate security testing tools into the SDLC.
• Integrate and automate SAST, SCA, and DAST technology into the SDLC.
• You will assist in implementing defenses for AI-related risks such as prompt injection, data poisoning, and sensitive information leakage in AI-driven applications.
• You will support safe adoption of GenAI services by following InfoSec guidelines and industry best practices; contribute to developing guardrails for AI model usage.
• You will participate in evaluating new security technologies and assist in proof-of-concept implementations.
• You must collaborate in technical discussions, providing input to ensure designs meet baseline security controls.
• You will provide consulting and influence other teams to mature application security.

What makes you successful:

• You possess a BS in Cybersecurity, Computer Science/Engineering, Information Technology, or equivalent experience.
• Your 3+ years of experience in cybersecurity, DevOps, or IT; 2+ years hands-on securing public cloud environments.
• Your Strong understanding of AppSec technology such as OWASP, IAM, OAuth, API Gateways, secrets management, WAF, SAST, DAST, open-source security tools, code reviews, etc.
• Your strong understanding of security controls and compliance of SaaS platforms.
• Your proficiency in development technology such as CI/CD, GitHub, microservices, APIs, REST, etc.
• You understand web app technologies such as HTML, PHP, Java, and/or Drupal.
• Your ability to work within an Agile/Scrum framework and to manage work in Jira.
• Your Proficiency in communicating technical concepts both verbally and in written documentation.
• You Demonstrate success influencing peers/partners without direct authority.
• Your scripting/automation experience (Python or Go) and understanding of Windows, Linux, containers/Kubernetes.
• Your Interest or exposure to AI security concepts (e.g., prompt hardening, model/data protection, secure API.

• A front row seat to life changing CGM technology. Learn about our brave #dexcomwarriors community.
• A full and comprehensive benefits program.
• Growth opportunities on a global scale.
• Access to career development through in-house learning programs and/or qualified tuition reimbursement.
• An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve.

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Experience and Education Requirements: 

• Typically requires a Bachelor’s degree in a technical discipline, and a minimum of 5-8 years related experience or Master’s degree and 2-5 years equivalent industry experience or a PhD and 0-2 years experience.

To all Staffing and Recruiting Agencies: Our Careers Site is only for individuals seeking a job at Dexcom. Only authorized staffing and recruiting agencies may use this site or to submit profiles, applications or resumes on specific requisitions. Dexcom does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to the Talent Acquisition team, Dexcom employees or any other company location. Dexcom is not responsible for any fees related to unsolicited resumes/applications.

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