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 Threat Hunter to join our team. The role will be located remote in Costa Rica reporting to the Director of Threat Hunting as part of the Zscaler Threat Hunting team.

This role is a customer facing role, responsible for delivering white-glove threat hunting deliverables to customers. As a Threat Hunter, you will split your time between exploring Zscaler customer telemetry to identify potential threats and interacting directly with customers to discuss these potential threats. For this position, we’re looking for someone to work standard business working hours with occasional on-call duties.

What You’ll Do (Role Expectations)

Leverage deep, hands-on expertise in threat hunting, incident response, and security operations to proactively hunt, detect, defend, and advise for managed threat hunting customers

Serve as a trusted security advisor to customers by writing and delivering tailored threat hunt findings, executive presentations, and strategic recommendations to a range of stakeholders from SOC analysts to CISOs

Analyze customer web proxy telemetry against modern adversary Tactics, Techniques, and Procedures (TTPs) by utilizing SIEM-like tools (e.g. Splunk, Microsoft Sentinel, ElasticSearch) and by writing code (e.g. Python and SQL) to implement high-fidelity detection logic and actionable hunt hypotheses

Review the output of detection engineering systems and the work of other analysts to continually improve our customer facing deliverables

Who You Are (Success Profile)

You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.

You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution.

You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving the hard problems delivers the biggest impact.

You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.

You are a learner. You have a true growth mindset and never stop developing yourself, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.

What We’re Looking for (Minimum Qualifications)

Bachelor’s degree in cybersecurity, computer information systems, computer science,, or a related field

3+ years in Threat hunting, Incident response, Cybersecurity consulting, Security operations, Malware analysis, Blue teaming, Purple teaming, Network defense with at least 1 of those focused on Threat Hunting or Consulting.

Deep expertise in threat hunting

What Will Make You Stand Out (Preferred Qualifications)

You've presented at cybersecurity industry conferences

You’re familiar with Zscaler Internet Access (ZIA) telemetry

You’ve briefed or presented to a wide range of cybersecurity professionals (from SOC analysts to CISOs)

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 Future of Work strategy, 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.

Senior Threat Hunter

Job Description

Skills & Requirements