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Salary
≈ $24k – $54k per year (Estimated)
Location
In office (Pune)
Seniority
Staff · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Jul 17, 2026.

Overview
Company
Impact
Profile match
Qualys is an American security company founded in 1999 that pioneered delivering vulnerability scanning as a cloud service rather than as software customers installed and ran themselves. Its platform builds an inventory of an organisation's assets, scans them for vulnerabilities and misconfigurations, prioritises what to fix based on whether an exploit exists and is being used, and increasingly handles the patching itself. Headquartered in Foster City and listed on Nasdaq, it competes with Tenable and Rapid7 and has extended into cloud security posture management and compliance reporting.

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

As a Lead Engineer, Security Signatures you will be part of a Qualys Threat Research Unit that is responsible for the research, development, and delivery of emergent vulnerability signatures. This opening is your opportunity to work ona unique security solution inthe rapidly expanding fields of penetration testing, vulnerability assessments and cyber security.

Responsibilities

  • Research and create signatures for the Qualys product to detect vulnerabilities in Industrial Control Systems.

  • Research new and emerging technologies to identify vulnerabilities and exploits.

  • Research zero-day and actively attack vulnerabilities to create signatures to identify vulnerable assets.

  • Build automation for day-to-day tasks.

Qualifications

  • Experience and strong knowledge in penetration testing and vulnerability management.

  • Knowledge and hands on experience with several typesof security vulnerabilities and attacks such as cross-site scripting, privilege escalation, remote code execution.

  • Proficient with regular expressions.

  • Bachelor's in computer science with 5+ years of experience in Information Security domain or Masters in Computer Science or Cyber Security.

  • In-depth knowledge of TCP/IP, HTTP, DNS, FTP, SSH, TLS/SSL, and SMTP protocols.

  • Experience with scripting languages, including Python and Bash.

  • Experience with network analysis tools, analysis of packet captures.

  • System administrator experience on Windows or Unix platforms.

  • Excellent written and verbal communication skills.

Additional Plus Competencies

  • Understanding of Lua (preferred), or Python

  • Knowledge of Virtualization software (VMWare, Virtual PC/Virtual Box, XEN, etc.).

  • Knowledge of container technologies such as Docker and Kubernetes.

  • Able to handle projects independently.

  • Experienced in the use of vulnerability scanners, IDS, and multiple security tools.

  • Experience in developing security-related tools/programs.

  • OSCP and similar certifications.

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