Network Security Engineer Intern: Build AI- Defenses

Location:

San Jose

Team:

Security

Employment Type:

Intern

Job Code:

A180861

Share this listing:

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  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.

Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted.

Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates.

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

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

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

The hourly rate range for this position in the selected city is $45- $60.

Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year). Interns who are not working 100% remote may also be eligible for housing allowance.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with…