Proactive Security Lead, UK Security Operations

Minimum qualifications:

• Bachelor's degree or equivalent practical experience.
• 5 years of experience in cybersecurity, with an offensive security (e.g., Red Teaming, Penetration Testing, or Adversary Simulation) or threat modeling.
• Experience in a Security Operations Centre (SOC) or similar environment, with modern threat landscapes and attack techniques.
• Experience in technical troubleshooting and writing code in one or more programming languages.
• Experience in threat modeling methodologies (e.g., STRIDE, PASTA, or attack trees) and secure system design principles.
• Eligibility to obtain UK Developed Vetting (DV) security clearance; British Citizenship is required for this role.

Preferred qualifications:

• Certifications in OSCE3, CRTP/CRTE, GIAC GCSA/Kubernetes-related, OSCP, OSCE, CRTO, CISSP, or GIAC (e.g., GPEN, GCTI, GWAPT).
• Experience designing or executing Purple Team exercises, combining offensive tactics with defensive feedback to drive continuous improvement.
• Experience with Kubernetes security, including secure cluster configuration, workload hardening, and threat detection in containerised environments.
• Experience in building or maturing security culture initiatives, including awareness programs, gamified training, or executive engagement.
• Experience with security testing tools and frameworks (e.g., MITRE ATT&CK, Cobalt Strike, Metasploit, Burp Suite, or similar).

About the job

The UK Security Operations (SecOps) team in Google Public Sector delivers, operates and secures private cloud services. We aim to provide the flexibility, reliability, and scalability of public cloud for customers with exceptionally high security requirements that can only be met in a private cloud environment. We deliver and operate these private cloud deployments for the most critical customers, helping scale, secure and maintain the deployment whilst working closely with Google product teams to continually improve our technology.

As the Proactive Security Lead, you will drive key proactive security initiatives within the Security Operations Centre (SOC). You will facilitate comprehensive threat modeling sessions to identify potential vulnerabilities and support the development of effective mitigation strategies. Beyond technical leadership, you will robust security culture across Google Public Sector UK, promoting best practices and awareness at all levels.

Responsibilities

• Lead Red and Purple Team exercises across the platform, identifying weaknesses and translating findings into actionable improvements.
• Drive proactive security programs within the Security Operations Centre (SOC) to enhance overall security posture.
• Facilitate comprehensive threat modeling sessions, identifying potential vulnerabilities and supporting mitigation strategy development.
• Translate technical security findings into actionable recommendations for relevant stakeholders across the organisation.
• Advocate a strong security culture across Google Public Sector UK, promoting security awareness and best practices.