Senior/Staff Detection Engineer

Design, build, and maintain cutting-edge detection and response systems to safeguard a global identity and financial network. Work with security engineers and other teams to develop high-fidelity detections and ensure early threat detection and rapid response.

Overview

Department

Job type

Full time

Compensation

$272,000 - $310,000 per year

Location

San Francisco, United States, North America

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Requirements

7+ years of hands-on experience in Detection Engineering, Threat Hunting, Security Operations, or a related field.

Expert-level proficiency with SIEM solutions, including architecting monitoring dashboards and fine-tuning alerting systems for low-noise, high-precision detections.

Deep expertise in threat modeling and threat hunting, with the ability to proactively strengthen detection capabilities against evolving attack techniques.

Strong proficiency in detection-as-code methodologies and custom detection engineering in cloud, endpoint, and application security environments.

Hands-on experience developing automated security tooling using Python, Bash, or Go.

Proven ability to conduct security audits and drive actionable security improvements based on findings.

A strong advocate for security awareness, capable of leading training and knowledge-sharing initiatives.

Responsibilities

Architect, develop, and optimize detection-as-code pipelines for a scalable SIEM strategy.

Design and fine-tune high-fidelity detection signals that provide early warning of security incidents across diverse attack surfaces.

Conduct threat modeling and proactive threat hunting to identify and mitigate emerging threats.

Perform security audits on business applications and internal systems, identifying and closing visibility gaps.

Engage in purple team exercises, simulating real-world attacks to assess and enhance detection and response capabilities.

Work closely with the fraud, data science, and engineering teams to identify patterns of abuse, fraud, and other malicious activities.

Develop custom automation and tooling to improve detection efficiency and reduce false positives.

Provide incident response expertise, triaging and investigating security events to mitigate threats quickly.

Lead security awareness programs to improve organizational readiness and threat intelligence sharing.

Benefits

High-impact role: Your work directly secures a global identity and financial network serving millions.

Cutting-edge tech: Work with AWS, blockchain security, zero-knowledge proofs, and cryptographic protocols.

Strong security culture: Security is central to everything we build—not an afterthought.

Growth & autonomy: Lead initiatives, mentor others, and shape the future of security at TFH.