Senior Linux Security Engineer

1 month ago

San Marino, California, United States Unavailable Full time
Job Description

East West Bank is seeking a highly skilled and motivated Cyber Security Engineer with significant Linux expertise to manage and secure our Linux infrastructure.

The ideal candidate will play a key role in designing, implementing, and maintaining robust security controls for our systems and networks.

Responsibilities
  • Install, configure, and maintain Linux systems (e.g., Red Hat, Ubuntu, CentOS, Debian) across the organization.
  • Ensure that all Linux servers are secure, optimized, and running efficiently.
  • Apply system patches, updates, and security configurations in line with industry best practices.
  • Implement and manage cybersecurity tools for Linux environments.
  • Conduct regular security assessments and audits to identify and mitigate risks within Linux systems.
  • Manage Ansible playbooks to automate routine system and security tasks, ensuring consistency and security across Linux environments.
  • Develop and maintain Ansible roles for security compliance, patch management, system hardening, and configuration management.
  • Collaborate with DevOps and IT teams to integrate Ansible into CI/CD pipelines for security automation.
  • Ensure all Linux systems comply with security frameworks such as CIS, NIST, and ISO 27001.
  • Maintain compliance with regulations and industry standards (e.g., GDPR, HIPAA, PCI-DSS).
  • Create and maintain security documentation, including system configurations, incident reports, and security protocols.
  • Perform vulnerability scans on Linux environments using tools like Nessus, OpenVAS, or Qualys.
  • Identify and prioritize remediation efforts for vulnerabilities and security gaps.
  • Collaborate with development and IT teams to implement security patches and vulnerability fixes.
  • Develop and maintain scripts for automating routine security tasks (e.g., patch management, log analysis) using Bash, Python, or Ansible.
  • Leverage configuration management tools (e.g., Ansible, Puppet, Chef) to enforce security policies across Linux environments.
  • Act as a key responder to cybersecurity incidents involving Linux systems, leading investigations and remediation efforts.
  • Monitor system logs, SIEM tools, and other indicators to identify potential threats or breaches.
  • Collaborate with the broader security team to ensure a coordinated response to threats and incidents.
  • Manage user access controls, privileges, and secure authentication (e.g., LDAP, SSH keys, PAM).
  • Implement multifactor authentication (MFA) and encryption methods to safeguard sensitive data.
  • Maintain and test disaster recovery and backup solutions for Linux systems.
  • Ensure business continuity through efficient recovery processes and secure backups.
  • Work with IT and development teams to implement security best practices in system design and deployment.
  • Provide guidance and training to team members on Linux security, Ansible automation, and administration.
Qualifications
  • Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field (or equivalent experience).
  • 5+ years of experience in Linux system administration and cybersecurity.
  • Strong understanding of cybersecurity principles, tools, and techniques (encryption, firewalls, IDS/IPS, etc.).
  • Experience with Ansible automation for system configuration, patch management, and security compliance.
  • Experience with vulnerability management, penetration testing, and Linux security hardening.
  • Experience in automating security tasks using Bash, Python, Ansible, or similar scripting languages.
  • Linux certifications such as RHCSA, LPIC, or Linux Foundation Certified SysAdmin (LFCS) preferred.
  • Security certifications such as CompTIA Security+, CEH, CISSP, or GIAC certifications (GSEC, GCUX) are highly desirable.

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