Security Engineer

LG Ad Solutions is a global leader in connected TV (CTV) and cross-screen advertising. We pride ourselves on delivering state-of-the-art advertising solutions that integrate seamlessly with today's ever-evolving digital media landscape.

The Opportunity:

We are growing and looking to hire a highly motivated Security Analyst to our security team who will lead security analysis, incident response and threat hunting. You will be working with EDR, MDR, network security tools, SIEM, phishing simulations, email security, application security and help in compliance related tasks. We are looking for someone with a background in cloud environment who can help in improving security in AWS. This role will report directly to Senior Security Engineer II.

Responsibilities:

● A successful candidate will thrive in a dynamic setting, leveraging their expertise in malicious attacks to identify and respond to cybersecurity incidents as a subject matter expert.

● Monitor, triage, and support incident response for suspicious activity, leveraging SIEM, EDR, MDR and other tools.

● Analyze system logs, alerts, and telemetry to detect threats and identify root causes of vulnerabilities and incidents.

● Collaborate on compliance and privacy tasks to facilitate responding to RFIs, RFPs and other audits.

● Lead vulnerability management efforts, including triage, prioritization, validation, and remediation in partnership with engineering teams.

● Partner closely with engineering, DevOps, and platform teams to drive secure design and implementation practices.

● Help in getting and maintaining security certifications such as SOC2. Implement NIST and CIS guidelines within LG Ads infrastructure.

● Stay up-to-date on changes to relevant cybersecurity regulations and standards, and communicate those changes to stakeholders.

● Review and support SAST/DAST findings—help engineering teams interpret issues, validate false positives, dismiss findings when appropriate, and guide remediation.

● Contribute to the development of metrics and reporting mechanisms to track supply chain cybersecurity performance.

Requirements:

● Bachelor’s degree in Computer Science, Cybersecurity, or related field, or equivalent practical experience.

● 5+ years of experience in security engineering, vulnerability management, or security operations.

● 3+ years experience with SIEM platforms (e.g., Splunk, Sentinel) and EDR tools such as CrowdStrike or equivalent.

● Strong hands-on experience with Linux systems (hardening, troubleshooting, log analysis, scripting).

● Solid understanding of cloud security, especially AWS (IAM, VPC, EC2, S3, security groups, logging, etc.).

● Familiarity with SAST/DAST tools and workflows, including triage, false-positive validation, and supporting developers.

● Strong understanding of cyber threat landscapes, attack vectors, and mitigation techniques.

● Strong understanding of common attack vectors, exploitation techniques, mitigation strategies and secure coding practices.

● Experience working with security frameworks such as NIST, CIS Controls, SOC 2, or ISO 27001.

● Proven ability to collaborate with engineering teams and drive remediation efforts to closure.

● Strong problem-solving, communication, and cross-functional collaboration skills.

● Willingness to participate in on-call rotation for security incidents.

Preferred:

● Hands-on experience with Crowdstrike (SIEM, EDR), AWS security services (e.g., GuardDuty, Security Hub, IAM Access Analyzer, Firewalls, etc.).

● Experience with infrastructure-as-code and policy-as-code (e.g., Terraform, CloudFormation), previous work with DevSecOps.

● Scripting/automation skills (Python, Bash, etc.) for remediation and security tooling.

● Experience with threat modeling, security architecture reviews and application security tools (SAST, DAST, etc.)

● Relevant certifications (e.g., GCIH, GCIA, GCLD, GCPN, AWS Security Specialty).

● Understanding of AI-driven or ML-based security tools.

● Hands on incident response experience with Linux.

LG Ad Solutions provides equal work opportunities to all team members and applicants, and it prohibits discrimination and harassment of any type on the basis of race, color, ethnicity, caste, religion, age, sex (including pregnancy), national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by our policies or federal, state, or local laws.

We want to ensure that our hiring process is accessible. If you need reasonable accommodation for any part of the application process because of a medical condition or disability, please send an email to [email protected] to let us know the nature of your request.