Join us as we work together to inspire creativity and enrich life around the globe.
Location:
San Jose
Team:
Security
Employment Type:
Intern
Job Code:
A
Responsibilities
The Network Security team builds enterprise-grade network security products and solutions that protect online businesses from cyberattacks and disruption. We're a group of engineers who like challenging the status quo and solving real-world security problems effectively and efficiently. We set ambitious goals, value teamwork, and favor open, direct communication. If that resonates with you, come make an impact with us as an intern and grow alongside a team shipping production security systems at scale.We are looking for talented individuals to join us for an internship. Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth.Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.
Online AssessmentCandidates who pass resume screening will be invited to participate in Our Company's technical online assessment.
- Participate in the design and development of network security products for hyperscale environments, including firewalls, WAF, IDS, and similar systems, under the guidance of senior engineers
- Assist in building security capabilities for AI-native systems, including LLM/Agent abuse prevention, risk detection, and behavioral analysis
- Support the team in delivering customized security solutions for ByteDance's business units that meet compliance and security requirements
- Take ownership of well-scoped modules or features, participate in code reviews, and contribute to team documentation and testing
Qualifications
Minimum Qualifications
- Currently pursuing a Undergraduate/ Master's/Phd's in Computer Science, Cybersecurity, Networking or a related discipline.
- Solid foundation in data structures, algorithms, computer networks, and operating systems
- Proficiency in at least one of C, Go, or Python, demonstrated through coursework, personal projects, research, or prior internships
- Exposure to or coursework/project experience with LLM/Agent-based systems (e.g., tool/function calling, context management, or related security implementations)
- Self-driven problem solver with strong communication and collaboration skills, comfortable working in fast-paced, ambiguous environments
Preferred Qualifications
- Personal projects, research, CTF experience, or coursework related to LLM/AI security (e.g., prompt injection defense, abuse prevention, content safety, model risk control)
- Familiarity with firewall, WAF, or IDS products, or networking/security-related open-source contributions
- Prior internship experience in security, networking, or backend infrastructure
Job Information
About Us
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.
Why Join ByteDance
Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.
As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an 'Always Day 1' mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.
Diversity & Inclusion
ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.
Reasonable Accommodation
ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at
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