Threat Research Engineer

QLYS_US Qualys, Inc.

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Pune Until 9/15/2026 7+ years exp H-1B sponsor history First posted July 17, 2026 Last posted July 17, 2026
Job description

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

Qualys is looking for threat researchers who can leverage their experience and expertise to identify and analyze threats, produce original research publications, and work with engineering teams to provide a feedback and related insights into a multitude of Qualys products.

You will be a member of the Qualys Threat Research Team, a team of security researchers working together to solve security challenges in new and innovative methods. The team is responsible for leading and conducting research related to adversary attack tactics and techniques, threat actor groups and campaign activity. The primary output of the Threat Research Team is security content for Qualys products, blog posts, and conference presentations via researching the latest tactics, techniques, and procedures leveraged by adversaries. The Threat Research Team also works closely with the security, malware research, product, and engineering teams to develop novel protection strategies against emerging cybersecurity threats. 


Responsibilities:

Monitor, analyze and research emerging cyber threats, vulnerabilities, and exploits to identify novel TTPs and their related mitigations.
Produce and test rules for hunting and enrichment (Yara, etc.)
Analyze threat attack life-cycle including its behavior, modus operandi and objectives.
Follow an exhaustive approach involving intelligence collection, signature creation, and initial malware analysis.
Research new methods and technologies to detect cyber threats, identify signals, and design approaches to use these signals to identify security threats and security breaches.
Develop tools to automate and scale detection and response activities
Writing detailed technical blog posts about the threats and TTPs discovered.
Collaborate with other teams in developing and adding cross-product intelligence. 
Educational Qualifications:

E./B.Tech/M.Tech Computer Science/MCA/MCS from a reputed institution.
Certifications in Computer Security domains are desired.Experience:
7 years of relevant technical experience

Technical Qualifications:

Expertise in Vulnerability Research
Experience with threat hunting, incident response, or security operations
Experience with common threat intelligence tools, such as VirusTotal, Shodan, etc.
Understanding of security controls, forensics, kill chain analysis, risk assessment and security metrics.
Ability to perform initial static and dynamic malware analysis.
Understanding of reverse engineering techniques.
Knowledge of networking and the TCP/IP stack.
Knowledge of programming or scripting languages.
Knowledge of networking protocols and application file formats like PDF, Office files, and operating system internals.Soft Skills:

Excellent written and verbal communication.
'Can-do' attitude and great problem-solving skills.
Adapt to changing priorities and quickly come up with innovative solutions.
Take initiatives and work with minimal supervision.
Act as a go-to person for your area of expertise.

About this role

Summary

Research and analyze cyber threats, develop detection tools, and produce security content.

Job title

Threat Research Engineer

Experience level

7+ years

Minimum experience

7+ years exp

Industry

cybersecurity

Location requirements

Pune, on-site; remote not specified.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

vulnerability researchthreat huntingincident responsethreat intelligence toolsmalware analysisreverse engineeringnetworkingprogramming

Preferred skills

security certificationsforensicsrisk assessmentsecurity metricsscript programming

Specializations

threat researchvulnerability researchmalware analysisthreat huntingcybersecurity
Locations

Structured locations inferred from the posting.

Pune, Maharashtra, India

On-site City