About This Role
We are seeking a seasoned Cybersecurity Engineer to join our team in protecting the integrity, availability, and confidentiality of our manufacturing environments. As a key member of our Operational Technology (OT) and Contract Manufacturing (CM) cybersecurity team, you will play a crucial role in designing, implementing, and maintaining cybersecurity controls across OT systems.
Working closely with internal teams and external CM partners, you will support security initiatives during equipment onboarding, network segmentation, incident response, and compliance assessments. Your expertise will be instrumental in upholding our security posture throughout the supply chain.
Responsibilities
* Support and implement cybersecurity controls across our Athenry facility, ensuring alignment with our global Information Security OT standards.
* Partner with Manufacturing, Engineering, and IT teams to ensure the secure deployment of equipment and systems.
* Assist in implementing and monitoring cybersecurity controls for CM partners, including onboarding, technical assessments, and remediation tracking.
* Maintain network segmentation and firewall rule sets for OT environments, minimizing exposure to IT systems and external threats.
* Monitor and respond to security alerts within OT systems, supporting incident investigation and triage.
* Conduct risk assessments and assist with audits related to OT and CM cybersecurity.
* Collaborate with global Information Security and Infrastructure teams on new technology deployments and changes to the security posture.
What We're Looking For
* You have experience securing ICS, SCADA, or other OT/IIoT platforms in manufacturing or industrial environments.
* You understand network segmentation and firewall architecture as applied in OT contexts.
* You are familiar with cybersecurity frameworks such as NIST 800-82 and IEC 62443.
* You've supported cybersecurity assessments, vendor security reviews, and remediation efforts in manufacturing environments.
* You collaborate effectively across teams—including Engineering, IT, and external partners—to solve complex security challenges.
* You have experience with tools such as firewalls, vulnerability scanners, endpoint protection, and configuration management solutions.
* You are comfortable working in regulated environments (e.g., FDA, ISO) and understand the importance of maintaining compliance.
* You are detail-oriented, highly organized, and skilled at documenting technical processes and system configurations.
What You'll Get
* A front-row seat to life-changing technology.
* 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 organization committed to employees, customers, and communities we serve.
Travel Requirements
20% initially, reducing to 10% in 2026
Please note that this job description is not intended to be an exhaustive list of all responsibilities, duties, or qualifications associated with this position. Dexcom reserves the right to modify or add to these responsibilities at any time.