Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!
Job
Description:
We are
seeking
a highly skilled and motivated
Senior Security Research Engineer
to join our Vulnerability Detection Signature Research team. In this role, you will research, develop, and deliver advanced vulnerability detection libraries for VMDR scanning products. You will partner closely with cross-functional teams to solve complex challenges and ensure our customers receive
accurate
, high‑quality vulnerability coverage.
If you have
a strong foundation
in vulnerability research, hands-on security engineering, and solid coding experience and you enjoy diving deep into technologies to uncover
weaknesses,
this role is for you.
Responsibilities:
Research, design, and develop new vulnerability detection libraries (signatures) or enhance existing ones for Qualys VMDR S
canner
products
.
Build detection logic for a wide range of technologies including
databases, applications, operating systems, TCP/IP protocols, and network devices
.
Continuously research emerging technologies and collaborate with customers, vendors, and internal stakeholders to extend detection coverage.
Automate recurring research, development, and
validation of
tasks.
Work closely with Customer Support and Research teams to troubleshoot and resolve customer issues such as
false positives/negatives
.
Contribute to high‑quality detection content through strong documentation and collaboration.
Qua
l
ifications:
4+ years of experience in
network and systems security
.
Deep understanding of common protocols:
TCP/IP, HTTP, FTP, SSH, SSL/TLS
.
Strong knowledge of common security vulnerabilities (e.g.,
OWASP Top 10, CVEs
) and mitigation techniques.
Hands-on experience with
Python
and
Bash
scripting.
Hand-on working experience with containers and orchestration tools (
Docker, Kubernetes
).
Familiarity with network analysis tools and
packet capture analysis
.
Proficiency
with
regular expressions
.
Ability to prioritize and manage multiple tasks in a fast-paced environment.
System administration experience on
Windows or Unix/Linux
platforms.
Strong understanding of
VPNs, Firewalls, IDS/IPS
technologies.
Excellent written and verbal communication skills.
Additional Plus Competencies:
Knowledge of
Lua
(preferred) or
Java
.
Experience with virtualization platforms such as
VMWare, VirtualBox, XEN
, etc.
Understanding of cloud platforms (e.g.,
AWS, Azure, Oracle Cloud
).
Experience using or developing vulnerability scanners, IDS/IPS, and other security tools.
Prior experience building security‑related tools or automation.
Industry certifications such as
OSCP, CISSP
, and GIAC
.
Ability to lead projects independently and work with minimal supervision.
Why Join Us?
Work on
cutting-edge
security research with a talented, collaborative engineering team.
Directly influence the security posture of thousands of customers.
Opportunities for professional development, certifications, and continuous learning.
Inclusive culture that values innovation, ownership, and customer impact.
