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Senior Offensive Security Engineer

Bellevue, WA💼 Full-time💰 $146,000–$146,000🗓 2026-09-16 → 2026-09-25

Core

Plan and execute red team exercises, threat modeling, and penetration testing across applications, infrastructure, and physical environments to identify and reduce real-world security risks.

Role type

Staff Offensive Security Engineer (Red Team)

Builds

Security assessments, adversarial simulations, detection/response improvements, and automated security testing tools

Domain

Cybersecurity, Financial Technology

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Red team operations, advanced penetration testing, threat modeling, Python, Go, JavaScript, Kubernetes, Docker, AWS, GCP, IDS/IPS evasion, MITRE ATT&CK Framework, access and identity security

Preferred skills

Financial Technology domain experience, technical leadership experience

Technologies

Python, Go, JavaScript, Kubernetes, Docker, AWS, GCP, Slack, JIRA, GitHub

Responsibilities

Plan and execute red team exercises simulating real-world attack scenarios; Mentor and guide other security engineers; Perform threat modeling and penetration testing across applications and infrastructure; Develop scripts and tools to automate security testing; Partner with detection teams to improve incident readiness; Communicate findings and collaborate on remediation; Lead security incidents when required

Seniority

Staff, hands-on IC with mentorship responsibilities

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