Red Team Operator & Adversary Emulation

Starling; Cardiff; Hybrid; GBP 70,000 - 120,000; Full time

Benefits offered by this job

33 days holiday

Birthday leave

Private medical insurance

Pension scheme

Cycle to work

Wellness benefits

Job summary

Starling Bank is seeking an experienced Offensive Security professional to join as a Red Team specialist. You will design and run adversarial simulations, test cloud and endpoint defences, and use threat intel to shape resilient response strategies.

You will work closely with defensive teams to remediate findings and continually enhance our security posture in a fast-paced fintech environment.

Qualifications

• Experience in offensive security testing and threat emulation.
• Understanding of cyber kill chains and MITRE ATT&CK.
• Familiarity with red-team tools and blue-team collaboration.

Responsibilities

• Design and execute end-to-end red/purple team operations.
• Emulate real threat actors and test defences across cloud and endpoint environments.
• Utilise threat intelligence to adapt attack simulations and improve resilience.
• Collaborate with defensive teams to remediate vulnerabilities and improve playbooks.
• Keep up-to-date with trends in offensive security and resilience.

Skills

Offensive security

Red Teaming

Pentesting

MITRE ATT&CK

Cloud security (AWS/GCP)

IaC & CI/CD

Networking fundamentals

Windows/Linux

Scripting (Python/PowerShell)

Communication

Education

CRTO/OSEP/OSCP or equivalent

Tools

Cobalt Strike

Mythic

PowerShell

Burp Suite

NMAP

Wireshark

Job description

Starling Bank is seeking an experienced Offensive Security professional to join as a Red Team specialist. You will design and run adversarial simulations, test cloud and endpoint defences, and use threat intel to shape resilient response strategies.

You will work closely with defensive teams to remediate findings and continually enhance our security posture in a fast-paced fintech environment.