Senior Detection Analyst

zscaler

Escazu, CRI; Remote - Costa Rica · Escazu

Posted Aug 12, 2026

Full-time
Remote
Exposure Management & Security Operations

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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 are looking for a Senior Detection Analyst to join our team. This is a remote role (in Costa Rica), reporting to the Manager, Detection Analyst in the Detection Operations Team. You will utilize our detection platform to analyze telemetry, alerts, and log sources across several detection domains including Endpoint, Identity, Network, and Cloud to publish threats for our Managed Detection and Response customers. Additionally, by leading projects to improve the Detection Operations workflow through orchestration and automation, you will ensure our customers receive high-fidelity threat analysis and concisely written communication regarding emerging threats at scale.

What You’ll Do (Role Expectations)

Analyze EDR telemetry, alerts, and log sources across several detection domains including Endpoint, Identity, Network, and Cloud/SaaS
Publish and review threats for customers using concisely written communication to effectively convey key indicators and remediation context
Improve and innovate Detection Operations workflows through orchestration and automation to manage high volumes of telemetry

Who You Are (Success Profile)

You act like an owner with a passion for our mission, operating with integrity and navigating seamlessly between high-level strategy and hands-on execution.
You are a high-trust collaborator who embraces a challenge culture through clear, respectful feedback to build trust and elevate the team.
You are customer-obsessed, anchoring decisions in solving real-world problems and championing customer needs from start to finish.
You are data-driven, using analytics to measure what matters, replace assumptions with evidence, and guide informed decisions.
You think at scale, connecting daily work to the global mission while building resilient solutions designed to last in a high-growth organization.

What We’re Looking for (Minimum Qualifications)

Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving
Strong experience in Endpoint (EDR) and one or more functional areas including Cloud/SaaS, Identity, Email, or Network detection domains
Experience with DevOps workflows and common scripting languages such as Python, Ruby, and PowerShell
Expertise using query languages and understanding syntax across EDR or other security platforms such as SQL or Lucene
Awareness of the current attack landscape (current threats, attack techniques, and vulnerabilities)
Strong analytical, documentation, and communication skills

What Will Make You Stand Out (Preferred Qualifications)

Previous professional experience in a Red Team or offensive security capacity
Active involvement in the Infosec community through writing blogs, participating in webinars, or presenting at conferences
Familiarity with MITRE ATT&CK TTPs

#LI-KM9 #LI-Remote

At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans
Time off plans for vacation and sick time
Parental leave options
Retirement options
Education reimbursement
In-office perks, and more!

Learn more about Zscaler's hybrid working model and benefits here.

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.

Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.