The Cybersecurity Specialist III is a senior individual contributor on the enterprise cybersecurity team at LG Energy Solution Vertech (LGESVT), reporting to the Lead Cybersecurity Engineer. The role carries day-to-day responsibility for security operations across LGESVT’s enterprise estate — incident triage and response, SIEM query development and tuning, vulnerability remediation, endpoint detection, cloud security in AWS, and identity and access management.