Zscaler

Tech / AI / Software

SeniorDetectionEngineer

Costa Rica Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Detection Engineer at Zscaler. Skills: Detection Engineering, Threat Hunting, Threat Researcher, AI, cloud-native Zero Trust Exchange platform, security data lake. advancing threat detection and hunting capabilities of our managed threat hunting service. combining Threat Researcher and Detection Engineering skills to develop next-generation detection logic”

Industry & Context.

Tech / AI / Software
Problems you'll solve

problem-solver; seek out challenges; finding solutions; solving the hard problems

Eligibility Requirements

working flexible hours, weekend night shifts, providing on-call support

What They're Looking For.

Must Have

Hands-on experience developing and implementing detection rules in a Security Information and Event Management (SIEM) tool, such as Splunk, Microsoft Sentinel, or ElasticSearch, Familiarity with MITRE ATT&CK framework and experience translating TTPs into actionable detection logic, Scripting and automation skills using Python for developing and managing detection infrastructure, excellent reporting and analytical skills, experience writing and optimizing IDS/IPS and YARA signatures, Must be able to validate detection logic, perform root cause analysis of detection failures, and deliver recommendations for platform improvements

Nice to Have

Proven experience in one or more of the following - detection engineering, threat hunting, security operations, malware analysis, blue teaming, or network defence, Bachelor’s or graduate degree from a four-year college or university (preferably in Computer Science, Engineering, or a related discipline), or equivalent security industry work experience, Significant and demonstrable experience as a Senior Detection Engineer, leading the development of complex detection strategies and mentoring junior team members, Experience in network-based threat detection and signature development (e. g. , Snort/Suricata rules)

What You'll Do.

advancing threat detection and hunting capabilities of our managed threat hunting service

combining Threat Researcher and Detection Engineering skills to develop next-generation detection logic

contributing to the scalability and maintenance of engineering projects

independently writing and updating detections and playbooks

providing on-call support

How You'll Work.

Team & Collaboration

high-performing teams; collaboration; high-trust collaborator; ambitious for the team; giving and receiving ongoing feedback; candor delivered with clarity and respect; stronger teammate

Communication Scope

excellent reporting; candor delivered with clarity and respect

Full Job Description

About Zscaler Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability. We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. Role We’re looking for a Senior Detection Engineer to join our team. The role will be located in Costa Rica reporting to the Senior Manager of Threat Hunting as part of the Zscaler Threat Hunting team. Detection Engineers are responsible for advancing threat detection and hunting capabilities of our managed threat hunting service: Zscaler Threat Hunting. This role involves combining Threat Researcher and Detection Engineering skills to develop next-generation detection logic for our threat hunters, utilizing tools like Python, SQL AWS services, YAML-based detection

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