IT Security Specialist

Job Summary

As the IT Security Specialist for SK hynix America, you will be responsible for operating and managing the organization's security solutions, as well as delivering shared IT security services for other subsidiaries and branch offices. This position includes supporting IT security reviews, developing security architecture, and responding to external hacking attempts and security incidents.

Responsibilities

• Develop and oversee security policies, access control policies, and security solution policies such as firewalls.
• Operate and maintain security solutions, including SIEM, EDR, IPS, and WAF.
• Monitor and analyze security logs and network traffic, utilizing packet analysis to identify and address threats.
• Detect and respond to intrusion attempts, malicious activity, and unusual behavior through proactive security monitoring.
• Conduct security assessments for new systems, applications, and infrastructure modifications.
• Identify security vulnerabilities by understanding network, server, and application architectures
• Deploy vulnerability assessment and diagnostic tools to identify and remediate security risks.
• Investigate security incidents, perform root cause analysis, assess impact, and implement corrective actions.
• Conduct comprehensive security review when there is any information system deployment, and information system changes.
• Support external security audits and required compliance work.
• Collaborate with IT operations and development teams to ensure security requirements are integrated.
• Maintain knowledge and skills on recent evolving threats, attack methods, and security best practices.

Qualifications

Education & Language

• Bachelor's degree in Industrial Security, Computer Science, Information Technology, MIS, or a related technical field.
• Fluent in Korean and English (spoken and written) is required to coordinate with global HQ and local branch offices.

Experience

• More than 3 years of experience in the IT security field, covering system administration or technical support roles.

Technical Skills

• Hands-on experience operating enterprise security solutions such as firewall, IPS/IDS, VPN, NAC, and EDR/XDR.
• Practical experience in security monitoring and operations (SOC), including threat detection, log analysis (e.g., SIEM, Elastic Stack, Splunk), and incident handling.
• Experience responding to hacking incidents and security breaches, including malware analysis support, containment, eradication, and root cause analysis.
• Hands-on experience conducting system vulnerability assessments and patch management, using scanning tools (e.g., Nmap, Nessus, Veracode) and remediation tracking.
• Working knowledge of cloud security practices and controls for M365, Azure AD/Entra ID, or other cloud platforms, including identity and access management.
• Experience managing security projects, including planning, vendor coordination, implementation, and progress reporting to stakeholders.

Soft Skills

• Strong troubleshooting and problem-solving skills with a high eager-to-learn mindset.
• Excellent communication skills and strong service-oriented attitude for interacting with users and HQ teams.

Benefits

• Top Tier health insurance at no employee cost
• Paid day offs: Paid Time Off, Company Holidays, Parental Leave, Happy Fridays
• 401k Matching
• Flexible Spending Account (FSA) for Health Care & Dependent Care
• Educational reimbursement up to $10,000 per year
• Donation Matching and volunteering opportunities
• Corporate discount programs
• Free Breakfast/Lunch/Dinner provided to employees

Compensation

Our compensation reflects the cost of labor across several U.S. geographic markets, and we pay differently based on those defined markets. Pay within the provided range varies by work location and may also depend on job-related skills and experience. Your Recruiter can share more about the specific salary range for the job location during the hiring process.