Cyber Security Engineer

We are seeking an experienced Senior Cybersecurity Engineer with deep, hands-on technical expertise to manage, configure, and maintain core enterprise security infrastructure.

In this role, you will be the frontline engineering authority responsible for configuring defense tools, executing continuous rule tuning, leading technical escalations, and performing root-cause analysis across key security domains. This is a purely technical, hands-on position focused on operational execution, security tool administration, and incident response.

Key Responsibilities

• Configure, deploy, and maintain core security platforms across enterprise environments.
• Perform deep technical troubleshooting, log analysis, and root-cause analysis (RCA) for complex security escalations.
• Manage enterprise password vaulting, identity access controls, and SSO integration (e.g., CyberArk, Okta, Azure Entra ID).
• Maintain and tune rules for Endpoint Detection & Response (EDR), Web Application Firewalls (WAF), and Cloud Access Security Brokers (CASB).
• Configure endpoint/network DLP agents, establish monitoring policies, and tune rule definitions to mitigate data exfiltration risks while minimizing false positives.
• Conduct log analysis via SIEM platforms (Splunk, ELK) to verify tool health, agent connectivity, and security policy enforcement.

Target Skills/Experience

• 5+ years of hands-on experience in enterprise cybersecurity engineering and technical security administration.
• Hands-on experience in configuring, administering, and troubleshooting tools across all 5 core domains:

1. Hands-on experience with tools such as CyberArk, Okta, SailPoint, or similar.
2. Direct experience with platforms like Symantec DLP or similar endpoint/network DLP solutions.
3. Configuration and monitoring of modern endpoint security tools (e.g., CrowdStrike, SentinelOne, Defender for Endpoint).
4. Hands-on work with cloud security gateways and Zero Trust access frameworks.
5. Rule tuning, policy configuration, and traffic analysis.
6. Strong background in technical support, root-cause analysis, and resolving operational escalations under SLAs.
7. Proficiency in log investigation using SIEM platforms (e.g., Splunk, ELK).
8. Relevant technical certifications such as CompTIA Security+, CISSP, CISM, or vendor-specific certifications (e.g., CyberArk, Palo Alto, AWS/Azure Security) nice-to-have
9. Business Japanese a MUST