Sr Cybersecurity Analyst

Dexcom Inc.; Philippines; On-site; PHP 1,200,000 - 2,400,000; Full time

Job summary

Dexcom Inc. is seeking a Sr Cybersecurity Engineer to join the Security Operations team. You will monitor alerts from SIEM and tools, perform incident response including threat analysis and containment, and support DLP monitoring and investigations.

The role includes leading a SecOps pillar and assisting with security projects across regions. Strong SIEM and security tooling experience, cross‑platform systems knowledge (Windows, Linux, Mac), and willingness to cover global hours with a rotation

Qualifications

• Typically requires a Bachelor's degree in a technical discipline and 5–8 years of related experience, or a Master’s with 2–5 years, or a PhD with 0–2 years.

Responsibilities

• Monitor and respond to security alerts from SIEM and other security tools.
• Lead incident response activities including discovery, threat analysis, containment and remediation.
• Handle DLP monitoring and investigations.
• Process security service requests from customers and review security controls.
• Oversee assigned SecOps pillar and related project implementations.
• Support vulnerability assessments and remediation efforts as needed.

Skills

Incident response

SIEM operations

Forensics

Cross‑platform

Scripting

On‑call readiness

Education

Bachelor's degree in technical discipline

Master's or PhD (optional)

Tools

SIEM

DLP

IDS/IPS

Firewall

Endpoint security

Email security

Job description

Meet the team:

The Security Operations team is a competitive group of individuals who work on these cybersecurity pillars: Cybersecurity Operations Center (SOC), Attack Surface Management, DLP, Email Security, SIEM Management, Detection Engineering and Security Operations Automation. As a Sr Cybersecurity Engineer, you will be involved in the end-to-end cycle of incident management, DLP monitoring and investigation and other allied Infosec services. Aside from operations work you will be exposed to project implementation by supporting security operations projects.

Where you come in:

• You will serve as a Tier 3 Security Operations Center (SOC) engineer, monitoring and responding to security alerts from SIEM or from various security tools or instrumentation such as endpoint security, secure email gateway, firewalls, IDS, etc.
• You will perform incident response activities including discovery, threat analysis and correlation, response, remediation and containment, at times involving network and endpoint forensics.
• You will monitor and respond to DLP alerts and incidents.
• You will process and manage requests for various security services, for example, responding to security inquiries from customers, reviewing malicious or blocked attachments or websites, reviewing firewall change requests, performing vulnerability scans, etc.
• You will lead an assigned SecOps pillar (focus area) and oversee the operations and technical implementations of projects owned by the pillar
• You will support the implementation of assigned SecOps or other Infosec Global/Regional projects or initiatives (adhoc)
• You will support or perform vulnerability or penetration testing activities and drive remediation activity (adhoc)

What makes you successful:

• Your strong understanding of SIEM platforms and security operations.
• Your hands-on experience with security technologies such as SIEM, DLP, IDS, IPS, vulnerability scanning, firewall, endpoint security or email security systems.
• Your solid experience in handling, investigating, and responding to malware events, incident response, network and/or endpoint forensics.
• Your experience managing and securing Windows, Linux, and Mac systems.
• Your willingness to cover US, EMEA or APAC working hours following a sustainable rotation schedule and at times cover on-call duties

Nice to have Qualifications:

• Your experience in scripting (Python or PowerShell) and familiarity with Regex
• Your hands-on experience with reverse engineering, or malware forensics, or penetration testing
• You carry relevant security certification/s such as CISSP, CISM, SANS/GIAC, CEH, etc.

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

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