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Senior Security Engineer, Threat Detection and Response

San Francisco, CA 94107

Posted: 07/02/2026 Job Category: Testing/QA Job Number: 22567

Job Description

Senior Security Engineer, Threat Detection and Response
Location: Remote -
Position Type: 12 + month contract to (hire + multi-extension capability)
Rate: 125.00 /hr. negotiable
Summary
The Threat Detection and Response team (TDR) is focused on automating security detection, responding to security incidents, and working with partner teams to build capabilities that support the incident lifecycle. This is the front-line team that detects, investigates, and responds to internal and external security threats and malicious activity.

This is a key role to help define and execute our vision for threat detection and incident response capabilities and processes while mentoring other team members. As a senior engineer on the team, you will have a direct impact on building, optimizing, and growing security capabilities as you help deliver world-class threat detection and incident response.
The Difference You Will Make

  • Impact: Act as a key member of our growing Threat Detection & Response (TDR) team.

  • Innovation: Define and execute novel approaches to detecting, containing, and mitigating threats and incidents.

  • Growth: Partner with cross-functional teams across the organization to improve overall security driven by learnings and root-cause analysis of investigations, resulting in the removal of entire classes of problems.
A Typical Day

  • Investigations: Perform deep investigations of security incidents using your knowledge of digital forensics and data analytics.

  • Threat Hunting: Proactively hunt for threats in our corporate and production environments to identify anomalous activity, using your coding and analysis skills to respond at scale.

  • Automation: Build advanced automation and detection models to support the identification of anomalous activity and streamline response mitigation.

  • Collaboration: Work side-by-side with our engineering teams to build advanced detection solutions to help keep systems and information safe. Partner closely with cross-functional teams such as Legal, Privacy, and Engineering for efficient, large-scale incident response.

  • Visibility: Identify gaps in our infrastructure and work with business partners to gain visibility through logging and detection.
Your Expertise

  • Experience: 7+ years of hands-on, in-depth knowledge and technical experience in security operations—including investigations, incident response, incident management, digital forensics, threat intelligence, threat hunting, and/or detection engineering.

  • Technical Skills: Proficiency in Python or another scripting language. (We also use SQL and Pandas frequently). Familiarity with Elasticsearch is preferred.

  • Cloud Infrastructure: Experience in AWS services (EC2, S3, Lambda, RDS) is preferred. Note: We are not focused on specific tools, but we often utilize Python, AWS, SQL, and more.

  • Frameworks: Solid knowledge and familiarity with the Cyber Kill Chain Framework and the MITRE ATT&CK Framework, and how these apply to the modern threat landscape.

  • Core Competencies:

    • Self-motivated, creative problem-solver able to work independently with minimal guidance.

    • Ability to lead people in complex, ambiguous situations through influence rather than authority.

    • Ability to work calmly and collaboratively in critical, high-stress situations with expediency.

    • Outstanding organizational, prioritization, and multitasking skills.
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About San Francisco, CA

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