Senior Security Engineer — Incident Response Lead

Houlihan Lokey, Inc.; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Houlihan Lokey, Inc. in London is seeking a Senior Information Security Engineer to defend a distributed enterprise across regions and regulatory jurisdictions.

You will implement controls across endpoints, networks, cloud, and identity systems, and lead incident response for critical security events. Join a global security team to work on regulatory compliance, vulnerability management, and collaboration tooling, while mentoring junior engineers and growing your career at the intersection of

Qualifications

• Bachelor’s degree in Computer Science, Information Security, or related field.
• 7+ years of information security engineering or related roles.
• Hands-on incident response leadership in real incidents.
• Experience securing enterprise environments across endpoints, network, IAM, cloud, and email/security.
• Practical knowledge of SIEM, log analysis, and security monitoring.
• Scripting/automation skills (Python, PowerShell, Bash).
• Strong communication across regional teams and stakeholders.

Responsibilities

• Design, implement, and maintain security controls across endpoints, servers, network, and cloud.
• Lead security incident response activities including triage and remediation.
• Improve detection capabilities across SIEM, EDR, email, and cloud security.
• Collaborate with IT, development, and business teams to embed security in projects.
• Conduct vulnerability management and remediation tracking.
• Lead and improve IAM practices, PAM, least-privilege, and access reviews.
• Develop and maintain security documentation and runbooks.
• Participate in on-call rotation for follow-the-sun security operations.

Skills

Incident response

Endpoint security

Cloud security

IAM / PAM

Scripting (Python/PowerShell/Bash)

Security monitoring

Communication skills

Education

Bachelor’s degree in Computer Science or Information Security

Tools

Tenable

Qualys

Rapid7

Job description

Houlihan Lokey, Inc. in London is seeking a Senior Information Security Engineer to defend a distributed enterprise across regions and regulatory jurisdictions.

You will implement controls across endpoints, networks, cloud, and identity systems, and lead incident response for critical security events. Join a global security team to work on regulatory compliance, vulnerability management, and collaboration tooling, while mentoring junior engineers and growing your career at the intersection of