Security Engineer - Red & Purple Team

The Role:

We are seeking an experienced Security Engineer to join a high-profile Information Security Program supporting an AI Program. This is an exciting opportunity to play a key role in strengthening security capabilities across critical applications, infrastructure and controls.

You will work across both offensive and defensive security activities, delivering red and purple team engagements, validating security controls and improving detection and logging capabilities.

Key Responsibilities

• Plan and execute red and purple team engagements across critical applications, infrastructure and security controls.
• Build and maintain fit-for-purpose infrastructure to support security testing and adversary simulation activities.
• Validate security controls, detection capabilities and logging to identify gaps and weaknesses.
• Identify vulnerabilities and security gaps and work with relevant teams to support remediation.
• Provide clear technical findings, recommendations and evidence demonstrating that identified gaps have been addressed.
• Collaborate with security, infrastructure and technology teams to improve the organisation's overall security posture.
• Support the ongoing security uplift associated with the Information Security and Frontier AI programs.

Skills & Experience

• Proven experience working as a Security Engineer, Cyber Security Engineer or similar within complex enterprise environments.
• Strong hands-on experience with red team, purple team, penetration testing or adversary simulation activities.
• Experience assessing and validating security controls across applications, infrastructure and technology environments.
• Strong understanding of security detection, monitoring and logging capabilities.
• Ability to identify security gaps, assess risk and provide practical remediation recommendations.
• Strong technical understanding of enterprise infrastructure, applications and security technologies.
• Excellent analytical and problem-solving skills with the ability to communicate technical findings clearly.
• Experience working collaboratively with Cyber Security, Infrastructure, Engineering and Technology teams.

If you're an experienced Security Engineer with strong red and purple team experience and are looking for your next contract opportunity, we'd love to hear from you. Apply now or contact Sophia Marek [email protected] for more information.