20750 - Senior Cyber Researcher

Date: 30 Nov 2025
Company: Qualitest Group
Country/Region: IL

Qualitest, the World’s Leading AI-Powered Quality Engineering Company

At Qualitest we're all about ensuring everything runs smoothly, whether it's your business, technology, or operations. We leverage smart engineering-led practices and precise processes to maintain excellence in all that we do.

Our clients are the world’s top brands and our diverse global team of 8,000 employees, including 1,500 in Israel, collaborates with industry leaders in technology, finance, insurance, and beyond, making a significant impact in the world of technology.

We offer creative and flexible solutions to ensure the quality of your business operations, safeguarding your brand's reputation. We're proud to say we've been pushing the boundaries for over 25 years now, always striving for innovation and delivering exceptional service.

Ready to make a difference? Join our dynamic and forward-thinking team!

We're looking for an enthusiastic Senior Cyber Researcher to join our team in Jerusalem!

This is a full-time position on-site

Responsibilities:

Perform in-depth cyber threat research, including tracking threat actors, campaigns, and tactics.
Conduct malware reverse engineering and behavioral analysis to identify capabilities and indicators of compromise (IOCs).
Develop and execute offensive security techniques to simulate real-world attack scenarios.
Analyze network traffic (PCAP) and system artifacts to uncover malicious activity.
Create detailed technical reports and threat intelligence briefs for internal and external stakeholders.
Collaborate with SOC, IR, and engineering teams to improve detection and response capabilities.
Stay current with evolving attack techniques, vulnerabilities, and security trends.

Requirements:

Experience:3+ years of hands-on experience in cyber investigation, threat research, malware analysis, or offensive security.
Proven track record of analyzing advanced persistent threats (APTs) and sophisticated attack campaigns.
Strong expertise in at least two of the following: Malware reverse engineering (static and dynamic analysis), Digital forensics (memory, disk and artifact analysis)
Network traffic and PCAP analysisThreat intelligence research and attributionScripting and automation (Python, PowerShell, Bash)
Familiarity with exploit development and vulnerability research – an advantage.
Deep understanding of attack techniques, TTPs, and frameworks such as MITRE ATT&CK, Cyber Kill Chain, and Diamond Model.Experience with SIEM platforms (e.g., Splunk, QRadar) and investigative methodologies.
Certifications (Advantage):OSCP, OSED, CPTS, GIAC (GREM, GCFA, GPEN), or equivalent.
Strong analytical thinking and problem-solving abilities.
Excellent written and verbal communication skills for technical and non-technical audiences.
Ability to work independently and lead complex research projects.
Experience with threat hunting and detection engineering.
Familiarity with cloud security and containerized environments.
Knowledge of exploit kits, ransomware families, and evasion techniques.
Contribution to security research communities (blogs, whitepapers, CVEs).

Why should you join us?

Recognized among Israel's top 100 best places to work for, four years in a row

Be part of a company that is a globally recognized leader in Quality Engineering

Experience our team spirit, working with real people, and solving real challenges

Work with Senior Specialists and Practice Experts. · Nurture your personal and professional growth through tailored career paths

Dive into interesting projects using cutting-edge technology designed by and for Quality Engineers

Enjoy unique placement opportunities worldwide

We believe in a workplace culture that values open communication and fairness, encouraging our employees to feel seen, supported, and empowered to realize their full potential