Senior Security Engineer - Blue Team

The role

You will lead detection and response work for security incidents, and mentor engineers while keeping systems running. You will also own security projects and guide risk management and compliance efforts.

What you will do

• Lead improvements in detection and response capabilities and optimise monitoring, alerting and incident response.
• Mentor junior and mid-level engineers on security practices and professional development.
• Take part in an on-call rotation and respond to escalated security incidents.
• Define and help implement leading security practices aligned with company goals and industry standards.
• Own security project execution and prioritise tasks.
• Use and optimise SIEMs, vulnerability scanners and other security tools.
• Run regular vulnerability assessments and implement mitigation strategies.
• Support compliance, documentation, audits and certifications.
• Work with development and IT teams to build security into architecture.
• Develop scripts and tools to automate repetitive security tasks.

Required qualifications

• Bachelor's degree in Computer Science, Information Security or a related field, or equivalent security experience.
• 5+ years of experience in security engineering and operations.
• Experience in blue team operations, security architecture, DevOps and general operations.
• Proven ability to lead incident response, including remediation and status reporting.
• Skilled at telling real security incidents from false positives and investigating them.
• Understanding of operating system, network and application hardening for Windows, macOS and Linux.
• Experience with IDS, DLP, FIM, firewalls, SIEM, MFA, WAFs and web proxies.
• Experience with cloud providers and Infrastructure as Code tools such as Terraform, Ansible or CloudFormation.
• Proficiency in AWS security best practices.
• Skills in automation, development or scripting.
• Knowledge of application security, modern web protocols and email security protocols (SPF, DKIM, DMARC).

Before you apply

• Olo is investing in a Belfast and Northern Ireland hub, but this role is fully remote anywhere in the UK.

About the company

Olo is a restaurant technology provider with ordering, payment and guest engagement solutions. It processes millions of orders each day on its open SaaS platform for over 800 restaurant brands.