Security Engineer II

Job Summary:

As a Security Engineer II on the Active Operational Defender track you will build hands on experience across penetration testing, threat detection and incident response, working under the direction of senior and lead engineers. You will support live operational work within a high velocity fintech environment, developing the manual testing and detection engineering skills needed to take on more independent responsibility over time.

Responsibilities and Tasks:

1. Offensive Penetration Testing & Red Teaming

• Support penetration testing engagements across financial platforms and product architectures under senior guidance, building practical exploit research experience.
• Assist with manual security reviews including source code audits, API testing and cloud configuration checks, working towards independent delivery of smaller engagements.
• Contribute to adversarial testing of AI features where in scope, learning to identify prompt injection and related LLM specific weaknesses.

2. Threat Detection Engineering & SIEM

• Help design and tune detection rules and alert workflows within the enterprise SIEM, working from senior engineers' guidance and established detection frameworks.
• Support SecOps in reviewing detection coverage against current threats, referencing frameworks such as MITRE ATT&CK.

3. Incident Response & Forensics

• Act as a first line responder during active security incidents, carrying out evidence collection and initial triage under senior direction.
• Support post incident analysis by pulling together logs, timelines and technical findings for senior review.

4. Cross Functional Collaboration & Development

• Take part in security operations and engineering planning to build a practical understanding of detection and response capability.
• Communicate findings from testing and incidents clearly to immediate team members and stakeholders.
• Actively seek mentorship from senior and lead security engineers on offensive tooling, detection engineering and incident response practice.