Senior PSIRT Engineer

3 Minutes ago • 5 Years + • Software Development & Engineering

Job Summary

Job Description

As a Product Security Incident Engineer, you will play a pivotal role in safeguarding Silicon Labs’ connected device ecosystem. You will be responsible for identifying, triaging, and supporting resolution of product-related security incidents. Your contributions will shape the trust our customers place in our products and the resilience of our platforms. You’ll collaborate across engineering, applications, and security teams to ensure vulnerabilities are swiftly understood, validated, and addressed in accordance with industry standards and regulatory expectations. Your work directly supports our Product Security Incident Response Team (PSIRT) mission: protecting our products and customers through timely and transparent action.
Must have:
  • Manage triage and validation of product security incidents.
  • Investigate, assess, and coordinate security incident reports.
  • Generate and manage PSIRT JIRA tickets for vulnerabilities.
  • Assign CVSS ratings and document risk.
  • Collaborate with Applications Engineering for disclosures.
  • Draft and submit vulnerability details for CVEs.
  • Maintain log of Silicon Labs’ CVEs and coordinate disclosures.
  • Monitor external CVE sources for impacts.
  • Recommend corrective actions and drive process improvements.
  • Support fix validation through analysis.
  • Escalate critical issues and support performance tracking.
  • Document root causes and close incident tickets.
  • Contribute to security documentation and training.
  • Advocate for secure design and risk awareness.
  • Demonstrate ownership, flexibility, and team-oriented mindset.
Perks:
  • Equity Rewards (RSUs)
  • Employee Stock Purchase Plan (ESPP)
  • Insurance plans with Outpatient cover
  • National Pension Scheme (NPS)
  • Flexible work policy
  • Childcare support

Job Details

The Role

As a Product Security Incident Engineer, you will play a pivotal role in safeguarding Silicon Labs’ connected device ecosystem. You will be responsible for identifying, triaging, and supporting resolution of product-related security incidents. Your contributions will shape the trust our customers place in our products and the resilience of our platforms.

You’ll collaborate across engineering, applications, and security teams to ensure vulnerabilities are swiftly understood, validated, and addressed in accordance with industry standards and regulatory expectations. Your work directly supports our Product Security Incident Response Team (PSIRT) mission: protecting our products and customers through timely and transparent action.

Meet the Team

Join Silicon Labs’ Product Security Incident Response Team (PSIRT) — a dynamic group of engineers and security professionals focused on product resilience. We work collaboratively across Security Engineering, Applications, and Product Development to address vulnerabilities and strengthen security. The team values curiosity, accountability, and continuous learning, with regular knowledge-sharing sessions and opportunities to grow your skills while making a meaningful impact

Responsibilities

  • Independently manage the triage and validation process of reported product security incidents.
  • Investigate, assess, and coordinate incoming security incident reports, ensuring appropriate engineering team engagement.
  • Generate and manage PSIRT JIRA tickets for validated vulnerabilities.
  • Assign CVSS ratings and ensure risk is appropriately documented and communicated.
  • Collaborate closely with Applications Engineering to prioritize vulnerabilities and support customer-facing disclosures.
  • Draft and submit vulnerability details for CVEs to MITRE/ENISA as required by global security guidelines.
  • Maintain a comprehensive log of Silicon Labs’ CVEs and coordinate internal/external disclosures.
  • Monitor relevant external CVE sources (e.g., MITRE, NIST, ENISA) for issues potentially impacting Silicon Labs’ portfolio.
  • Recommend corrective actions and drive process improvements in collaboration with Security Engineering.
  • Support fix validation through lab-based or theoretical analysis with engineering teams.
  • Escalate critical issues and support performance tracking using key PSIRT metrics.
  • Document root causes using established cause codes and close out incident tickets appropriately.
  • Contribute to security documentation updates and support training initiatives driven by PSIRT findings.
  • Advocate for secure design and risk awareness across all product lines.
  • Demonstrate ownership, flexibility, and a team-oriented mindset in a fast-paced environment.

Required Qualifications & Skills

  • Bachelor’s degree in Computer Engineering, Systems Engineering, Electrical Engineering, or a related field.
  • 5+ years of experience in security incident investigation and vulnerability management across hardware/software systems.
  • Demonstrated experience working in or with a PSIRT, or similar security incident response teams.
  • Strong debugging skills and comfort with tools for both hardware and software troubleshooting.
  • Proficiency in programming or scripting (e.g., Python, Bash, or C/C++) for triage and automation tasks.
  • Familiarity with various wireless protocols (e.g. Wi-Fi, Z-Wave, Zigbee, Bluetooth, etc.)
  • Knowledge of incident response frameworks such as NIST SP 800-61, FIRST, or related methodologies.
  • Excellent communication skills, with the ability to prepare technical summaries, reports, and presentations for varied audiences.
  • A passion for learning, improving processes, and building secure, reliable technologies.

Benefits & Perks:

Not only will you be joining a highly skilled and tight-knit team where every engineer makes a significant impact on the product; we also strive for good work/life balance and to make our environment welcoming and fun.

  • Equity Rewards (RSUs)
  • Employee Stock Purchase Plan (ESPP)
  • Insurance plans with Outpatient cover
  • National Pension Scheme (NPS)
  • Flexible work policy
  • Childcare support

Silicon Labs is an equal opportunity employer and values the diversity of our employees. Employment decisions are made on the basis of qualifications and job-related criteria without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other characteristic protected by applicable law.

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About The Company

At Silicon Labs, we hire and empower great talent to achieve their full potential. By offering challenging projects, technical mentorship, and continuous learning opportunities, we ensure our employees thrive at every stage of their careers. Here, you’ll work alongside some of the industry’s brightest minds, tackling complex problems that deepen your expertise and expand your horizons.

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