Senior Security Engineer - Hybrid (Secure UK Payments)

Pay.UK; Greater London; On-site; GBP 85,000 - 120,000; Full time

Benefits offered by this job

12% Non-contributory pension

Discretionary annual bonus

30 days annual leave

Employee assistance programme

Cycle to Work Scheme

Season ticket loan

Fitness subsidy

Working from home policy

Job summary

Pay.UK is seeking a Senior Security Engineer (12 months FTC) to strengthen the security of UK payment systems. You will design controls, review architectures for risks, and drive remediation with engineering teams.

You’ll conduct vulnerability analyses, support incident response, and document security standards for secure delivery across cloud and on‑premise environments. The role emphasizes cross‑functional collaboration, practical security guidance, and ongoing monitoring of threats and risk.

Qualifications

• Practical experience designing security controls for infrastructure, apps and platforms.
• Knowledge of security architecture, vulnerability management and incident response.
• Experience reviewing designs to identify security risks and remediation actions.
• Experience securing cloud or hybrid environments with appropriate controls.
• Ability to document technical details and work with cross-functional teams.

Responsibilities

• Design and implement security controls that protect payment systems, platforms and supporting infrastructure.
• Review system architectures and technical designs to identify security risks and define remediation actions.
• Carry out security testing and vulnerability analysis, then prioritise and track fixes with engineering and technology teams.
• Develop and maintain security standards, engineering patterns and documentation for secure delivery.
• Support incident investigation and response activities, including technical analysis, containment and follow-up actions.
• Collaborate with engineers, architects and operational teams to embed security requirements into delivery and change processes.
• Monitor security threats, control performance and technical risk, and recommend improvements based on evidence.
• Provide practical security guidance on cloud, infrastructure, application and access control decisions.

Skills

Security controls design

Security architecture

Vulnerability management

Incident response

Cloud security

Job description

Pay.UK is seeking a Senior Security Engineer (12 months FTC) to strengthen the security of UK payment systems. You will design controls, review architectures for risks, and drive remediation with engineering teams.

You’ll conduct vulnerability analyses, support incident response, and document security standards for secure delivery across cloud and on‑premise environments. The role emphasizes cross‑functional collaboration, practical security guidance, and ongoing monitoring of threats and risk.