Network Security Software Engineer Intern (Security Engineering) - 2027 Fall Technology - Secur

Position

Network Security Software Engineer Intern (Security Engineering) - 2027 Fall

Location

San Jose

Team

Security

Employment Type

Intern

Job Code

A180861

About Us

Founded in 2012, Byte Dance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including Tik Tok, Lemon8, Cap Cut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, Byte Dance has made it easier and more fun for people to connect with, consume, and create content.

Why Join Byte Dance

Inspiring creativity is at the core of Byte Dance'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 Byte Dancers, 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.

Overview

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 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.

Responsibilities

• 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 Byte Dance'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

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

Online Assessment

Candidates who pass resume screening will be invited to participate in Our Company's technical online assessment.

Diversity & Inclusion

Byte Dance 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 Byte Dance, 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

Byte Dance 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 #J-18808-Ljbffr