Security Tester (9-Month FTC) — Cloud & App Testing

Allwynuk; Watford; On-site; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Company Bonus Scheme

Matched pension contributions up to 8.

26 days annual leave + 2 Life Days

Job summary

Allwyn UK is seeking a hands-on Security Testing Specialist to strengthen our security testing across web applications, APIs, and cloud platforms. You will support remediation, validation and retesting while collaborating with engineering and platform teams.

The role covers AWS/Azure environments, network and infrastructure testing, and practical remediation guidance to reduce enterprise risk.

Qualifications

• Hands-on security testing across apps, cloud, infra or network environments.
• Knowledge of web/API security and common weaknesses.
• Familiarity with OWASP Top 10/API Top 10 and secure remediation.

Responsibilities

• Deliver security testing across web apps, APIs and backend services.
• Test AWS/Azure environments for configuration and access risks.
• Investigate findings, advise remediation and retest fixes.

Skills

Security testing

Cloud security

Web/API security

Network security

Remediation guidance

Collaboration with engineering

Tools

Burp Suite

Kali Linux

Nmap

Nessus

Wireshark

Python scripting

Job description

Allwyn UK is seeking a hands-on Security Testing Specialist to strengthen our security testing across web applications, APIs, and cloud platforms. You will support remediation, validation and retesting while collaborating with engineering and platform teams.

The role covers AWS/Azure environments, network and infrastructure testing, and practical remediation guidance to reduce enterprise risk.