Sr. Cybersecurity Engineer (Security Assessment)

Confirmed live in the last 24 hours

Dexcom

Compensation

$91,000 - $146,000/year

2 Locations

On-site

Posted April 6, 2026

Job Description

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:

Dexcom’s Enterprise IT Information Security Engineering team is dedicated to protecting the enterprise. We design, build, and operate enterprise-wide security controls that safeguard patients, employees, and corporate data. Our work spans security tools and other critical technologies that provide guardrails for Dexcom’s global workforce. We partner closely with Identity, Cloud, Platform, Legal/Privacy, and Application teams to ensure security is embedded in every layer of the enterprise, and we advance a practical strategy that balances protection with usability.

As a Sr. Cybersecurity Engineer, you will support Dexcom’s security assessment program by driving the adoption of security best practices through technical security assessments. You will leverage your expertise and existing internal processes and tools to deliver thorough and actionable recommendations, manage relationships with stakeholders and ensure timely execution of projects.

Where you come in:

You will support or manage the full lifecycle of vendor, application, compliance, and security assessments, including launch and coordination.
You will leverage your technical expertise to progress technical security assessments of new tools, applications and systems independently, including guiding end-to-end completion, developing pre and post implementation requirements, and managing exception requests
You must coordinate with internal stakeholders including IT, compliance, procurement, legal, and other relevant teams to ensure comprehensive coverage and clarity of requirements.
You must maintain accurate documentation and reporting to facilitate transparency and informed decision-making.
You must continuously identify opportunities for process improvement, efficiency gains, and enhanced accuracy of assessments.
You will, at times, provide security consulting and influence adoption of security best practices.
You may support information security and data privacy compliance audits and associated activities or if needed, support incident response.

What makes you successful:

You possess a BS in Cybersecurity, Computer Science/Engineering, Information Technology, or equivalent experience.
Your 5+ years of experience in cybersecurity or IT; 3+ years hands-on technical security experience
Your proven experience performing technical security assessments
Your knowledge breadth across a variety of network and security infrastructures and best practices
Your knowledge of security frameworks and compliance standards (e.g., NIST 800-53, ISO 27001, CIS Controls).
Your strong communication, collaboration, and stakeholder management capabilities.
You have excellent organizational and project management skills.
Your ability to manage multiple projects simultaneously, prioritizing effectively and adapting to changing priorities.
Your willingness to cover US, EMEA or APAC working hours following a sustainable rotation schedule
Your familiarity with common security assessment tools and methodologies or relevant certifications (e.g. CISSP, CISM, PMP, CISA) are a plus.
Your experience with building and/or using AI agents is a strong plus.

What you’ll get:

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.

Travel Required:

0-5%

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.

#LI-Hybrid

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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