Security Engineer II: Offensive Testing & SIEM

Flywire; Boston (MA); Hybrid; USD 99,000 - 120,000; Full time

Job summary

Flywire seeks a Security Engineer II to advance in offensive testing, threat detection, and incident response within a fintech environment. You will work under senior engineers, building hands-on testing and detection engineering skills while handling live operational work.

Responsibilities include manual testing, API and cloud checks, tuning SIEM rules, and contributing to incident handling. Collaboration and mentorship are emphasized for growth into independent delivery over time.

Qualifications

• Education: Bachelor's degree in CS, cybersecurity, software engineering, or equivalent.
• Core experience: 1–3 years in penetration testing, security operations, or related role.
• Foundational offensive, SecOps, and scripting skills required.

Responsibilities

• Support penetration testing engagements and assist with manual security reviews.
• Tune detection rules and SIEM alert workflows with guidance.
• Act as first-line responder during incidents and assist in forensics.
• Collaborate across teams and communicate findings clearly.

Skills

Offensive testing

SecOps & Forensics

Scripting (Python)

AI security awareness

Regulatory context

Education

Bachelor's degree in CS / Cybersecurity

Tools

SIEM

EDR tooling

Python

Job description

Flywire seeks a Security Engineer II to advance in offensive testing, threat detection, and incident response within a fintech environment. You will work under senior engineers, building hands-on testing and detection engineering skills while handling live operational work.

Responsibilities include manual testing, API and cloud checks, tuning SIEM rules, and contributing to incident handling. Collaboration and mentorship are emphasized for growth into independent delivery over time.