Zscaler

Staff Threat Researcher

Zscaler · Pune, IND

Posted about 2 months ago · Previously reposted

or apply directly on Zscaler's site. We never take the application ourselves.

Is this posting real?

This role has been open
66 days
Zscaler's roles stay open a median of 61 days
Reposted
Yes
taken down and listed again at least once
Salary listed
No
0% of Zscaler's roles list one
Ghost-job risk at Zscaler
high
286 stale, 19 reposted of 370 open
Hiring momentum
564 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-08

Measured from postings appearing on and disappearing from Zscaler's own greenhouse board since 2026-08-03. Full hiring picture for Zscaler.

About this role

The Staff Threat Researcher at Zscaler will focus on analyzing emerging threats and adversarial behaviors to enhance detection capabilities. This role involves conducting proactive and retroactive threat hunting using Zscaler telemetry, managing flexible schedules, including weekend night shifts, and documenting findings clearly. The researcher will also translate adversary behavior into actionable hypotheses and detection logic while collaborating with team members.

Our read on this posting2.4out of 5
benefits
3/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Zscaler as an employer.

What you need

  • Foundational understanding of AI/ML technologies
  • Hands-on experience in threat hunting, incident response, security operations, malware analysis, or network defense
  • Practical experience using SIEM tools such as Splunk, Microsoft Sentinel, or ElasticSearch
  • Deep familiarity with the MITRE ATT&CK framework and modern Tactics, Techniques, and Procedures (TTPs)
  • Advanced scripting and automation skills, specifically using Python
  • Expertise in writing IDS/IPS and YARA signatures for network-based threat detection

Nice to have

  • Experience leveraging AI/ML models, large language models (LLMs), or natural language processing (NLP) for threat intelligence synthesis
  • Significant experience as a Senior Threat Hunter leading complex investigations and mentoring junior team members
  • Proven ability to analyze adversary behavior and malware campaigns to translate findings into detection logic, supported by a Bachelor’s or graduate degree in Computer Science, Engineering, or equivalent security experience

What you get

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

Worth weighing

  • Hybrid role with flexible schedules including weekend night shifts
  • Emphasis on a dynamic and ambiguous work environment may not suit everyone
  • No specific salary information provided

Summarised from Zscaler's posting. Read the full original.

Listed by Zscaler on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.

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