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Security Engineer II (Defensive Operations)

Boston, MA, us💼 Full-time💰 $99,000–$99,000🗓 2026-09-23 → 2026-09-25

Core

Technical authority owning secure software design, cloud-native infrastructure defense, offensive penetration testing, and real-time incident detection across a global fintech footprint.

Role type

Senior IC Security Engineer (Defensive Operations & Offensive Security)

Builds

Automated security controls in CI/CD pipelines, secure cloud architecture blueprints, AI-driven security workflows, and high-fidelity threat detection rules.

Domain

Fintech, Cloud Security, Application Security, AI Security

Deliverable

production ML models | product features | infrastructure

Required skills

Manual penetration testing, cloud architecture defense, incident response, AI security (LLM protection), Infrastructure-as-Code security, container security, web application exploitation, forensic collection, compliance alignment

Preferred skills

OSCP, OSCE, SANS GXPN, AWS Certified Security - Specialty, CKS, CISSP, GCIH, GCFA, OffSec OSAI

Technologies

AWS, Terraform, Docker, Kubernetes, GitLab CI, Python, Ruby on Rails, Java, Node.js, SIEM, EDR, MITRE ATT&CK, OAuth2, SAML, OIDC

Responsibilities

Integrate automated security requirements into engineering pipelines; harden cloud infrastructure and enforce Zero Trust boundaries; design AI security workflows against prompt injection and data poisoning; perform red teaming and manual source code audits; lead incident containment and forensic collection; mentor junior engineers on security best practices

Seniority

Senior, hands-on IC

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