Senior Staff Malware Reverse Engineer

Company Description

Zscaler (NASDAQ: ZS) accelerates digital transformation so that customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange is the company’s cloud-native platform that protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. 

With more than 10 years of experience developing, operating, and scaling the cloud, Zscaler serves thousands of enterprise customers around the world, including 450 of the Forbes Global 2000 organizations. In addition to protecting customers from damaging threats, such as ransomware and data exfiltration, it helps them slash costs, reduce complexity, and improve the user experience by eliminating stacks of latency-creating gateway appliances. 

Zscaler was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. Zscaler’s purpose-built security platform puts a company’s defenses and controls where the connections occur—the internet—so that every connection is fast and secure, no matter how or where users connect or where their applications and workloads reside.

Job Description

Zscaler is looking for a highly technical senior security researcher with significant experience in malware reverse engineering and threat intelligence. This position will be responsible for analyzing complex malware threats at scale through malware code reverse engineering to reveal in-depth behavior. The results will be used to develop innovative tools to automate further analysis, produce technical reports, and publish research blogs.

Responsibilities:

• Identify, analyze, and track emerging threats by reverse engineering advanced malware threats and building automated systems to extract threat intelligence for detection and prevention.
• Articulate findings through technical reports, blogs, media interviews and speaking engagements with strong writing/speaking skills and be comfortable presenting findings to both internal and external audiences.
• Leverage Zscaler’s existing data mining tools as well as our cloud based infrastructure to protect our customers.
• Exercise strong technical knowledge of malware-based threats, and live to identify the next attack vector, no matter how deep it’s hidden

Qualifications

• 10+ years in static and dynamic analysis malware code reverse engineering.
• Expert knowledge of debuggers (OllyDbg, WinDbg, or x64dbg) and disassemblers/decompilers (IDA Pro or Ghidra).
• Proficient in unpacking malware, string and code obfuscation, encryption, and compression algorithms.
• Experience building automated tools to extract malware configuration information.
• Profound understanding of network protocols and web application security.
• Familiar with the development of IDS/IPS (e.g., Snort and Suricata) signatures and Yara rules.
• Strong scripting skills in languages such as Ruby, Python, or Perl.
• Professional English writing skills and experience in drafting blogs, technical reports, etc.
• Proven track record of innovative ideas and an ability to implement them

Preferred Qualifications:

• Experience with threats to mobile devices, vulnerabilities, and binary exploitation.
• Publication of past research and/or speaking engagements.
• Data mining experience with large security data sets such as IDS, IPS and firewall logs.

Skills:

• Utilizing malware reverse engineering tools (e.g., debuggers, disassemblers, decompilers)
• Ability to understand the fundamentals of x86/x64 code
• Identification and implementation of common compression and encryption algorithms
• Python and C/C++ programming experience
• Advanced knowledge of operating systems

Additional Information

The base salary range for this full-time position is $120,250 to $185,000 + bonus + equity + benefits.

Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

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What You Can Expect From Us:

• An environment where you will be working on cutting edge technologies and architectures
• A fun, passionate and collaborative workplace
• Competitive salary and benefits, including equity

Why Zscaler?

People who excel at Zscaler are smart, motivated and share our values. Ask yourself: Do you want to team with the best talent in the industry? Do