Senior Android Malware Analyst

Description

Summary: As a Senior Android Malware Analyst, you will protect mobile ecosystems through advanced Android malware analysis and reverse engineering within the Cybersecurity and Threat Intelligence team. Highlights: 1. Lead advanced reverse engineering of Android applications 2. Contribute technical leadership, research, and mentorship 3. Opportunity to impact mobile defense strategies at scale 00068316583 * Date published **Apr 16 2026** * Location **Sao Paulo** **/** **Brazil** * Job category **Technology \& Engineering** * Work model **Hybrid** ### **Senior Android Malware Analyst** ### ### **About the role** As a **Senior Android Malware Analyst**, you will make an impact by protecting mobile ecosystems through advanced Android malware analysis and reverse engineering. You will be a valued member of our **Cybersecurity and Threat Intelligence** team, working alongside highly skilled security professionals to investigate sophisticated mobile threats, enhance detection capabilities, and strengthen mobile defense strategies at scale. This role provides hands\-on exposure to emerging malware techniques, advanced tooling, and the opportunity to contribute technical leadership, research, and mentorship within a specialized and fast\-evolving cybersecurity environment. ### **In this role, you will:** * Perform advanced reverse engineering of Android applications using static and dynamic analysis techniques * Analyze malicious behaviors at scale and produce clear, high\-quality technical investigations and root cause analyses * Research emerging Android attack vectors and contribute to the development of detection mechanisms and rules * Create detailed technical write\-ups for new malware families, behaviors, and exploitation techniques * Develop and maintain tools and automations to streamline malware analysis and investigation workflows * Define, implement, and continuously improve analysis processes, policies, and procedures * Support security incident investigations, including escalations and reports from external researchers * Act as a senior technical contributor, supporting complex investigations and troubleshooting critical issues * Participate in red teaming or adversarial testing activities when applicable * Mentor junior analysts and support ongoing development of team capabilities ### **Work model** This is a **hybrid position requiring time in a Cognizant office in São Paulo, Brazil**. This opportunity is **open only to candidates currently based in Brazil**. ### **What you need to have to be considered** * **8\+ years of experience in Android Security, Reverse Engineering and Malware Analysis** * Strong expertise in **Android application security**, including static and dynamic analysis * Extensive experience in **Android malware analysis and reverse engineering** * Hands\-on proficiency with tools such as **Ghidra, IDA Pro, Frida, and kernel/system debugging techniques** * Strong programming and scripting skills using **Java, Python, C/C\+\+, JavaScript, or Kotlin** * Solid experience with **de\-obfuscation techniques**, including string decryption, unpacking, and de\-virtualization * Knowledge of **ARM and x86 architectures** and low\-level assembly concepts * Ability to produce structured, high\-quality technical documentation and malware analysis reports * Strong communication and collaboration skills within technical teams ### **These will help you stand out** * Experience creating **custom automation tools**, scripts, or reverse engineering plugins * Exposure to **red teaming, threat modeling, or adversarial security exercises** * Knowledge of **incident response, OS hardening, vulnerability management, or cryptographic concepts** * Industry\-recognized cybersecurity certifications such as **OSCP, OSWE, OSCE, or equivalent** * Strong curiosity and passion for researching emerging Android threats and malware trends ***Please, upload your resume in English.*** We're excited to meet people who our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role. **The Cognizant community:** We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive. * Cognizant is a global community with more than 300,000 associates around the world. * We don’t just dream of a better way – we make it happen. * We take care of our people, clients, company, communities and climate by doing what’s right. * We foster an innovative environment where you can build the career path that’s right for you. **About us:** Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full\-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast\-changing world. See how at www.cognizant.com or @cognizant. Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws. If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com with your request and contact information. *Disclaimer:* *Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.* *Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.* d