Malware Researcher Job at JFrog (Netanya/Tel Aviv)

Senior Security Researcher

We are looking for a Security Researcher who thrives on both sides of the fence....

Location

Israel , Tel Aviv

Salary:

Not provided

Island

Expiration Date

Until further notice

Requirements

5+ years of experience in at least one of the following: security research, vulnerability research, malware analysis, threat intelligence, or detection engineering
Offensive security mindset with the ability to flip to the defensive side — finding attacks and building mitigations
Strong analytical skills — comfortable digging into unfamiliar code, protocols, or systems and figuring out how they break
Familiarity with operating system internals (Windows and/or macOS)
Hands-on experience with reverse engineering or dynamic/static analysis tools
Ability to write code for automation, tooling, and proof-of-concepts
Strong written and verbal communication — ability to write compelling research and present at conferences

Job Responsibility

Offensive Research: Discover new attack vectors, abuse patterns, and security gaps in browsers, web applications, OS internals, and enterprise workflows
Defensive Engineering: Design and implement detections, mitigations, and security policies informed by your offensive findings
close the loop from attack to protection
Vulnerability & Malware Analysis: Perform reverse engineering on malware, exploits, and obfuscated code across Windows, macOS, and browser environments
Web & Browser Security: Research techniques ranging from classic vulnerabilities (XSS, SSRF) to browser-specific primitives (extension abuse, DOM manipulation, same-origin bypasses)
Supply-Chain Security: Investigate threats in software supply chains, including browser extension marketplaces and package registries
Threat Intelligence: Correlate signals across multiple sources to identify malicious infrastructure and adversary TTPs
Public Impact: Write technical blog posts, publish research, and represent Island at major security conferences (Black Hat, DEF CON, etc.)

Principal Security Researcher (Malware Research - Antivirus Systems)

Your Career: As a Principal Security Researcher (Antivirus Systems), we are look...

Location

United States , Santa Clara

Salary:

162700.00 - 263175.00 USD / Year

Palo Alto Networks

Expiration Date

Until further notice

Requirements

BS/MS/PhD in Computer Science or Computer Engineering or equivalent military experience required
6 to 8+ years of relevant experience preferred
Experience with Python/Golang programming language
Strong core Computer Engineering skills such as databases, operating systems, algorithms
Working knowledge and interest in learning common file formats (PE, Office, PDF etc)
Experience with malware analysis
Understanding of networking and core Internet protocols (TCP/IP, HTTP, FTP, SMTP)
Experience with a data pipeline based system with several moving components in a distributed cloud environment
Experience with developing in a public cloud environment such as GCP, AWS
Troubleshooting and virtualization experience in Linux

Job Responsibility

Develop new features for the automated anti-virus signature generation and delivery system
Research and implement signature algorithms for new file formats
Identify limitations/issues in existing signature algorithms and improve them
Research on and publish about innovations & emerging security trends

Fulltime

New

Principal/Senior Security Researcher - Windows EDR (Cortex - XDR)

We are looking for a Security Researcher to join our Windows EDR behavioral dete...

Location

Israel , Tel Aviv

Salary:

Not provided

Palo Alto Networks

Expiration Date

Until further notice

Requirements

In-depth knowledge of the inner-workings of operating systems (Especially Windows)
Intimate knowledge and understanding of attack methods and techniques over endpoints and enterprise networks
Vast experience and interest in malware research or development
Python software development experience
Comfortable conducting research and gathering insights by querying large databases
Ability to drive and own projects
Independent and team player, critical thinker

Job Responsibility

Research new methods to detect various attack techniques by utilizing enormous amounts and varied types of data
Use and develop statistical algorithms and techniques to create and improve our analytics detection capabilities
Take an active role in our collection modules by improving existing ones and investigating new ones to improve detection quality
Simulate attacks in the lab and conduct a deep analysis of the behavior
Be part of a diverse research group, improving our research processes to create a better product
Stay up to date with APTs, attacker methodologies, and TTPs

Fulltime

Threat Intelligence Research Engineer

We’re looking for a Threat Intelligence Research Engineer who can bridge two wor...

Location

United States , Orlando

Salary:

Not provided

ThreatLocker

Expiration Date

Until further notice

Requirements

5+ years in cybersecurity research, threat intelligence, security engineering, SOC analysis, or malware analysis
Strong knowledge of attacker TTPs, MITRE ATT&CK, malware behavior, incident response, and threat hunting workflows
Hands-on familiarity with tools such as SIEMs, sandboxes, EDR platforms, packet analyzers, and OSINT frameworks
Ability to read logs, investigate incidents, and interpret technical artifacts
Proven experience writing technical reports, threat advisories, security research, or cybersecurity analysis
Ability to translate complex material into clear, concise content without losing technical accuracy
Strong editorial judgment and an understanding of narrative clarity and structure
Deep curiosity and a research-driven mindset
Commitment to accuracy, integrity, and evidence-backed analysis
Ability to juggle multiple research topics while meeting publishing deadlines

Job Responsibility

Monitor, analyze, and report on emerging threats, indicators of compromise (IOCs), tactics, techniques, and procedures (TTPs), and global threat trends
Investigate vulnerabilities, misconfigurations, malware behavior, ransomware campaigns, and exploit chains
Conduct independent research on threat actors, intrusion patterns, and security gaps relevant to our customer base
Collaborate with internal engineering, SOC, and threat teams to access proprietary intelligence and validate findings
Produce clear, defensible, and high-accuracy analysis based on data and technical evidence
Transform threat research into high-quality reports, whitepapers, blogs, briefs, advisories, and thought-leadership content
Write in a way that resonates with cybersecurity professionals, executives, and IT leaders
Contribute to articles under the names of internal subject matter experts (SMEs) to elevate their voices and strengthen company authority
Develop clear visuals, diagrams, and technical explanations to support complex research
Ensure all content is technically rigorous, original, and aligned with our Zero Trust security philosophy

Principal Malware Reverse Engineer

As a member of the Malware and Countermeasures Unit (MCU), you will be working c...

Location

United States , Santa Clara

Salary:

162700.00 - 263175.00 USD / Year

Palo Alto Networks

Expiration Date

Until further notice

Requirements

BS/MS/PhD in Computer Science or Computer Engineering with 2+ years of experience
Proficiency in Python
Experience with malware analysis
Experience with disassemblers such as IDA Pro, Ghidra, or Binary Ninja
Experience with debuggers such as windbg, gdb, ollydbg, or x64dbg

Job Responsibility

Reverse engineer malware via static and dynamic methods
Collaboration with our Threat Intelligence team to analyze and develop detection coverage for the latest threats
Implement automated malware analysis tools
Research and prototype novel automated malware detection techniques
Communicate with product engineering teams to improve detection efficacy in our ecosystem of products

What we offer

restricted stock units
bonus

Fulltime

Malware Reverse Engineer, Senior

Do you enjoy the thrill of the hunt? Are you motivated by the head-to-head chall...

Location

United States , Fort Meade

Salary:

86900.00 - 198000.00 USD / Year

Booz Allen Hamilton

Expiration Date

Until further notice

Requirements

Experience with using industry standard static and dynamic analysis tools, including disassemblers, debuggers, virtual machines, and hex editors
Experience in a scripting language such as Python or JavaScript
Experience with development or reverse engineering of Windows API targets
Experience with the identification and classification of malware families based on standard taxonomy and typical malware attack methodologies for both Windows and Linux
Knowledge of operating systems, including Windows, Linux, and Mac, application behaviors, and network traffic analysis to identify malware exploits
Experience with vulnerability research and exploitation methodologies such as fuzzing, shellcode, and leveraging memory corruption vulnerabilities
Ability to analyze shellcode, packed or obfuscated code, and the associated algorithms, and capture and interpret traces using Wireshark
Ability to read C/C++, C#, Go, Java, JavaScript, Python, or Rust
TS/SCI clearance with a polygraph
Bachelor's degree and 5+ years of experience in malware reverse engineering, or Master's degree and 3+ years of experience in malware reverse engineering

Job Responsibility

Apply vulnerability analysis, network mapping, exploitation, defensive, and IT logging process experience to execute offensive cyber operations
Develop offensive cyber operations that are essential to providing national security

What we offer

Health, life, disability, financial, and retirement benefits
Paid leave
Professional development
Tuition assistance
Work-life programs
Dependent care
Recognition awards program

New

Principal Software Engineer (Malware Detection)

As a member of the Wildfire team, you will be responsible for prototyping, and r...

Location

United States , Santa Clara

Salary:

162700.00 - 263175.00 USD / Year

Palo Alto Networks

Expiration Date

Until further notice

Requirements

Proficient in C++, Python and Linux development environment
6+ years experience as a Security Researcher or Software Engineer
Experience working on sandbox technology and malware analysis
Experience with large scale File/Data Parsing development is preferred
Understanding of cloud service and Kubernetes are preferred
Ability to work with small teams to solve complex problems
Can-do attitude on problem-solving, quality and ability to execute
BS/MS/PhD in computer science/engineering, or equivalent experience

Job Responsibility

Work on designing and renovating the Wildfire analyzer to advance into a new generation of multi platforms cloud service platform, for both static and dynamic analysis
Work with threat researchers to analyze malware and security threats to determine and close the gaps in coverage with new or improved static and dynamic analysis
Architect and design with the team and document complex systems
Write scalable and testable software using modern cloud architectures
Collaborate within the team and across organizations to influence and achieve the end goal
Expand cloud offering to improve detection against new malware threats

What we offer

restricted stock units
bonus

Fulltime

Senior Security Researcher

Join a team that’s pushing the frontier of modern security research by combining...

Location

India , Bangalore

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

7+ years of hands‑on experience in security research, threat analysis, malware analysis, or detection engineering, with demonstrated depth in endpoint security
Strong understanding of attacker tradecraft, including persistence, privilege escalation, lateral movement, and defense evasion techniques
Proven experience conducting research on Linux and/or macOS internals, endpoint telemetry, or OS‑level attack surfaces
Proficiency in at least one scripting or systems language (e.g., Python, C/C++, Go, Rust) used for analysis, tooling, or prototyping
Demonstrated ability to independently drive ambiguous, open‑ended investigations from hypothesis to actionable outcome
Strong analytical skills for correlating noisy telemetry into attacker‑relevant signals
Experience translating deep technical findings into clear, decision‑ready insights for engineering and leadership audiences
Proven ability to collaborate effectively across research, engineering, and product teams
Experience mentoring or technically leading other researchers without formal people management responsibilities
High bar for research quality, operational security, and responsible handling of sensitive techniques and data

Job Responsibility

Lead in‑depth investigations of real‑world attacker campaigns, malware, and post‑exploitation techniques across endpoint environments, with emphasis on Linux and macOS platforms
Decompose attack chains, map techniques to MITRE ATT&CK, and maintain high‑fidelity adversary and TTP dossiers that inform protection strategy
Identify emerging attack classes, tradecraft shifts, and detection gaps before they are widely exploited
Design and prototype behavior‑based detections, heuristics, and research‑grade signals that can be operationalized into production protections
Partner with engineering and applied ML teams to translate research findings into scalable, reliable detections with clear acceptance criteria and performance trade‑offs
Evaluate detection efficacy using offline and online telemetry and continuously refine based on real‑world attacker behavior
Contribute to the design of AI‑assisted and agentic investigation pipelines that automate repetitive analysis steps and amplify researcher productivity
Shape how attacker techniques, evidence, and hypotheses are represented in systems that enable campaign discovery and proactive hunting at scale
Ensure research outputs are structured, explainable, and safe for use in automated or semi‑automated workflows
Act as a senior escalation point for complex security incidents, providing expert guidance on attacker behavior, containment strategies, and long‑term mitigation

Fulltime

Malware Researcher

JFrog

Location:
Israel , Netanya/Tel Aviv

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 05, 2026

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Location:
Israel , Netanya/Tel Aviv

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
March 05, 2026