Security Researcher

Posted:
4/14/2026, 11:57:46 AM

Location(s):
Tokyo, Japan

Experience Level(s):
Junior ⋅ Mid Level

Field(s):
IT & Security ⋅ Software Engineering

Workplace Type:
On-site

Role Overview:

McAfee is looking for an experienced Security Researcher to design and deliver robust, scalable security solutions. The role involves real‑time analysis of cyber threats to provide immediate protection through security products. You will help customers stay safe online while promoting greater cybersecurity awareness.

This is a Hybrid position located at our Tokyo office. You will be required to be on-site on a as needed basis, when you are not working on-site you will work from your home location. You must live within commutable distance of the Tokyo office as we are not offering relocation assistance at this time.

About the role:

  • Investigating threats and vulnerabilities affecting Android and iOS mobile platforms.

  • Conducting in‑depth, low‑level analysis of malware, devices, and operating systems.

  • Creating research content such as blogs, conference papers, and technical presentations.

  • Exploring and developing next‑generation mobile threat protection technologies.

  • Collaborating with researchers and engineers to strengthen McAfee’s leading security solutions for customers.

About you:

  • You should have 2–5 years of experience in security research with hands‑on expertise in Android or iOS, and/or Linux operating systems.

  • You must be proficient in Android or iOS debugging techniques, including identifying malicious code and performing assembly‑level analysis.

  • You will be expected to debug and reverse‑engineer Java bytecode, Dalvik, and ELF file formats using tools such as IDA Pro, JEB, or similar disassemblers.

  • You should have a solid understanding of networking protocols, cloud technologies like AWS, secure engineering practices, and at least one modern programming language.

  • You will demonstrate a proactive, innovative mindset with strong communication skills to effectively engage and influence diverse audiences.

#LI_Hybrid



Company Overview

McAfee is a leader in personal security for consumers. Focused on protecting people, not just devices, McAfee consumer solutions adapt to users’ needs in an always online world, empowering them to live securely through integrated, intuitive solutions that protects their families and communities with the right security at the right moment.

Company Benefits and Perks:

We work hard to embrace diversity and inclusion and encourage everyone at McAfee to bring their authentic selves to work every day. We’re proud to be Great Place to Work® Certified in 10 countries, a reflection of the supportive, empowering environment we’ve built where people feel seen, valued, and energized to reach their full potential and thrive.

We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees.

  • Bonus Program
  • Pension and Retirement Plans
  • Medical, Dental and Vision Coverage
  • Paid Time Off
  • Paid Parental Leave
  • Support for Community Involvement

We're serious about our commitment to diversity which is why McAfee prohibits discrimination based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status.

McAfee

Website: https://www.mcafee.com/

Headquarter Location: Santa Clara, California, United States

Employee Count: 1001-5000

Year Founded: 1987

IPO Status: Delisted

Last Funding Type: Private Equity

Industries: Consumer Electronics ⋅ Enterprise Software ⋅ Information Technology ⋅ Network Security