
Real job — pulled straight from Cylake’s careers page · Verified September 13, 2026 · No reposts.
Job description
Cylake is hiring a Security Research Intern — a full-time, based in Sunnyvale, CA role. Apply directly on Cylake's careers page below.
Security Research Intern (2027 Masters/PhD)
Department: R&D
Location: Sunnyvale
Employment Type: FullTime
Your Impact
Join a small team building the next generation of Cyber Security products from the ground up. Led by industry veterans with a proven track record of success - you will get to architect, build, and deliver hugely impactful products with this world class team. You will have the opportunity to grow your career and skills along with the company from the very start.
Role Overview
As a graduate level research intern in cyber attack and defense, you will take on a focused research problem in threat detection to working prototype on our next-gen security platform. You will study how modern adversaries operate, translate that understanding into detection logic and research tooling, and work directly with the researchers and engineers building the platform. This role offers the opportunity to see academic research meet production security at an early-stage company.
Required Experience
Currently enrolled in a Master's or Ph.D. program in Computer Science, System/Network Security, or a related technical field, with an expected graduation date by 2028
Coursework, research, or project experience in one or more of the following: cyber security, malware, network traffic, web and vulnerability exploitation, large-scale data analysis, or machine learning
Hands-on familiarity with one or more of the following areas: threat hunting, malware analysis and sandboxing, vulnerability analysis, reverse engineering, offensive security, machine learning, or penetration tests
Working understanding of modern attacks and evasion techniques, malware behaviors and countermeasures, the MITRE ATT&CK framework, and cyber kill chain/TTPs is a plus
Strong proficiency in Python programming and system programming with C/C++/Rust/Go is a big plus
Great passion for security research; strong communication and documentation skills
We’re committed to building a diverse, inclusive workplace where everyone can do their best work. We are proud to be an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. If you require a reasonable accommodation during the application or interview process, please let us know — we’re happy to support you.
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Frequently asked questions
What skills are required for Security Research Intern at Cylake?
The required skills for Security Research Intern at Cylake include: Python, C, C++, Rust, Go, Machine Learning, Cybersecurity.
What is the seniority level for Security Research Intern at Cylake?
Security Research Intern at Cylake is a Internship level position.
How do I apply for Security Research Intern at Cylake?
You can view the full description and apply for Security Research Intern at Cylake on EchoJobs: https://echojobs.io/job/cylake-security-research-intern-2027-masters-phd-xjjha.