1,772,011open jobs
103,500companies
265,560added this week
Browse all
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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,772,011 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Pune
≈ $30k – $79k per year (Estimated) • In office • Full-Time • Gurgaon • Chennai
DevOps
IAM
Management
Agile
Apply
$28k – $39k per year • Remote (India, UTC-8 – UTC-5 hours) • Full-Time • 10+ years exp • India
Python
AI/ML
AI Agents
LLM
Tokenization
Red Teaming
LLM Guardrails
DevOps
Rest API
GCP
Azure
AWS
Kubernetes
Cybersecurity
ISO 27001
OWASP Top 10
PCI DSS
SOC 2
GDPR
STRIDE
Zero Trust
Least Privilege
Threat Modeling
SIEM
OWASP
Apply
≈ $23k – $61k per year (Estimated) • Hybrid • 15+ years exp • Gurgaon
Apply
Manager,Infosec(P&C) 7 hours ago
≈ $22k – $53k per year (Estimated) • Hybrid • 10+ years exp • Bachelor's Degree • Hyderabad
AI/ML
ISO 42001
DevOps
Incident Management
Cybersecurity
ISO 27001
SOC 2
GDPR
HIPAA
NIST 800-171
Apply
≈ $26k – $65k per year (Estimated) • Hybrid • 10+ years exp • Master's Degree • Gurgaon
AI/ML
LLM
LLM Guardrails
DevOps
GCP
Azure
AWS
Shift-Left
IAM
Cybersecurity
ISO 27001
SOC 2
GDPR
Zero Trust
Least Privilege
Shift-Left Security
Threat Modeling
Apply
≈ $75k – $220k per year (Estimated) • Hybrid • 7+ years exp • Bachelor's Degree • New Cairo
Python
JavaScript
TypeScript
Python
FastAPI
AI/ML
AI Agents
LLM
RAG
LLM Guardrails
Frontend
Next.js
React.js
DevOps
CI/CD
AWS
Docker
Kubernetes
Platform Engineering
Management
Agile
ITSM
Apply
≈ $30k – $78k per year (Estimated) • Hybrid • Lisbon
Python
Databases
OpenSearch
Frontend
GraphQL
DevOps
Rest API
OpenShift
Datadog
Prometheus
CI/CD
Git
Docker
Kubernetes
Grafana
Platform Engineering
Cybersecurity
SIEM
Apply
Hybrid
Python
Verilog
C++
SystemVerilog
VHDL
Perl
SystemC
DevOps
Linux
Unix
Chips/EDA
UVM
Xilinx Vivado
Apply
$147k – $293k per year • Hybrid • Bachelor's Degree • Austin
Python
Verilog
SystemVerilog
VHDL
AI/ML
Copilot
OpenAI
Chips/EDA
Synopsys PrimePower
Apply
$102k – $176k per year • Remote (United States) • Bachelor's Degree
Python
SQL
Databases
Snowflake
AI/ML
Copilot
Analytics
Power BI
Management
Agile
Apply
≈ $18k – $37k per year (Estimated) • In office • Full-Time • 4+ years exp • Bachelor's Degree • Pune
Python
JavaScript
SQL
Bash
DevOps
Windows
Unix
Cybersecurity
Metasploit
Nessus
Qualys Cloud Platform
SQLmap
ModSecurity
OWASP Top 10
QA
Selenium
Swagger
Postman
Apply
≈ $18k – $38k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Pune
Python
Java
PHP
AI/ML
AI Agents
Cybersecurity
Qualys Cloud Platform
Apply
≈ $17k – $37k per year (Estimated) • In office • Full-Time • 7+ years exp • Pune
DevOps
TCP/IP
Cybersecurity
Qualys Cloud Platform
Shodan
YARA
VirusTotal
Cyber Kill Chain
Apply
≈ $18k – $39k per year (Estimated) • In office • Full-Time • 5+ years exp • Pune
Python
Java
C++
AI/ML
Red Teaming
DevOps
SLI/SLO/SLA
Linux
Cybersecurity
Snyk
Qualys Cloud Platform
Trivy
CVE
CWE
CVSS
SBOM
Apply
System Administrator 16 days ago
≈ $10k – $26k per year (Estimated) • In office • Full-Time • 3+ years exp • Pune
Python
PowerShell
DevOps
Red Hat
VMWare
Azure
Windows Server
Ubuntu
CentOS Stream
Linux
Windows
DNS
DHCP
Cybersecurity
Active Directory
Management
ITIL
ITSM
Apply
In office • Full-Time • Pune
Cybersecurity
HIPAA
CAPA
Apply
RCM Quality Auditor 2 hours ago
In office • Full-Time • Pune
Cybersecurity
HIPAA
CAPA
Apply
In office • Full-Time • Pune
Cybersecurity
HIPAA
CAPA
Apply
≈ $13k – $30k per year (Estimated) • Hybrid • Secret • Full-Time • 6+ years exp • Bachelor's Degree • Pune
Python
JavaScript
Java
TypeScript
Ruby
Node JS
Python
Flask
FastAPI
Django
Boto3
Databases
Apache Kafka
AI/ML
Prompt Engineering
AI Agents
LLM
OpenAI
Agentic Workflows
Frontend
GraphQL
Mobile
Clean Architecture
DevOps
Rest API
Terraform
Ansible
Azure DevOps
Azure
CI/CD
Jenkins
AWS
Kubernetes
Configuration Management
SLI/SLO/SLA
GitHub
GitLab
Amazon Kinesis
Cybersecurity
Threat Modeling
Management
Agile
Scrum
Apply
Hybrid • Full-Time • Pune
Apply
See all jobs
This is one of many
1,772,011 more open roles from verified company boards, updated every day.