Senior Cyber Security Analyst, Application & Infrastructure

Career-defining. Life-changing.

At iRhythm , you’ll have the opportunity to grow your skills and your career while impacting the lives of people around the world. iRhythm is shaping a future where everyone, everywhere can access the best possible cardiac health solutions. Every day, we collaborate, create, and constantly reimagine what’s possible. We think big and move fast, driven by our commitment to put patients first and improve lives. We need builders like you. Curious and innovative problem solvers looking for the chance to meaningfully shape the future of cardiac health, our company, and your career

About This Role:

Boldly innovating to create trusted solutions that detect, predict, and prevent disease.

Discover your power to innovate while making a difference in patients' lives. iRhythm is advancing cardiac care…Join Us Now!

At iRhythm , we are dedicated, self-motivated, and driven to do the right thing for our patients, clinicians, and coworkers. Our leadership is focused and committed to iRhythm ’s employees and the mission of the company. We are better together, embrace change and help one another. We are Thinking Bigger and Moving Faster.

About This Role

iRhythm is seeking a motivated cyber security professional that will help drive forward our focus on application security, threat modeling, and penetration testing for both infrastructure and applications. You will work closely with the Cyber Security team and interface with the Product Security team to identify, assess, and mitigate security risks across both applications and infrastructure. You will support threat modeling, vulnerability analysis, penetration testing, and other cybersecurity activities aligned with FDA, NIST, and international expectations.

The role is ideal for a security professional who enjoys hands-on technical work, cross-functional collaboration, and contributing directly to the security posture of our company.

Responsibilities

• Perform application security assessments across software products, cloud services, and supporting infrastructure.
• Provide security input to threat models, including identification of risks, mitigations, and residual risk.
• Plan, coordinate, and manage penetration testing activities, including scoping, execution, and remediation tracking.
• Review, analyze, and interpret penetration test and vulnerability assessment results.
• Partner with IT and engineering teams to validate findings, recommend mitigations, and track remediation to closure.
• Support preparation of cybersecurity documentation for regulatory submissions, including FDA 510(k) filings and NIST requirements.
• Apply NIST-based cybersecurity frameworks and guidance to application, infrastructure, and product security efforts.
• Partner with the Product Security team to align application security