Principal Engineer

Overview

Who we are

Toyota does not offer support or sponsorship of job applicants for employment-based visas or any other work authorization for this role now or in the future. You must have the right to work in the United States and not require Toyota support or sponsorship for immigration-related employment (e.g., H-1B, O-1, E-3, H-1B1, TN, F-1 OPT, F-1 STEM OPT, F-1 CPT, ‘job flexibility benefits’ [also known as I-140 or Adjustment of Status portability], etc.) now or in the future. You should not apply for this role if you will require Toyota to assist with immigration support or sponsorship now or in the future.

This position is based out of Toyota Headquarters in Plano, TX

Who we’re looking for 

Toyota is looking for team members who are passionate about technology and interested in joining a collaborative and highly motivated team as a Principal Engineer - Offensive Security,

The primary responsibility of this role is to implement, operate, and scale AI-driven penetration testing and adversarial emulation capabilities across the enterprise, cloud, and AI-enabled systems. Develop and run AI-assisted red team tooling to simulate real-world attacker behavior at speed and scale, improving coverage, repeatability, and effectiveness across various environments.

Reporting to the General Manager, the person in this role will join the Core Cybersecurity team to deploy and maintain advanced, enterprise-wide security solutions.

What you’ll be doing 

• Develop AI-assisted applications that automate offensive security workflows including reconnaissance, vulnerability identification, exploit chaining, payload generation, and post-exploitation simulation.
• Integrate large language models (LLMs) and machine learning capabilities into red team pipelines to improve speed, coverage, and adaptability.
• Build tooling that emulates real-world attacker behavior mapped to frameworks such as MITRE ATT&CK, enabling consistent and repeatable testing at scale.
• Develop orchestration layers that coordinate multi-stage attack simulations across on-prem, cloud, and containerized infrastructure.
• Build data pipelines that ingest security telemetry, scan results, and threat intelligence feeds to inform and prioritize automated testing campaigns

What you bring

• Bachelor's degree in Computer Science or related field, or equivalent work experience. 
• 5+ years of experience in cybersecurity or related field with a demonstrated focus on building security tooling, automation platforms, or AI/ML-integrated applications. 
• Strong software development skills, with proficiency in Python, PowerShell, and other relevant languages. 
• Familiarity with Red Team and the MITRE ATT&CK framework methodologies. 
• Knowledge of common security controls, best practices, and attacker techniques. 
• Hands-on experience integrating LLMs models into applications via APIs (e.g. OpenAI, Anthropic, or similar), including prompt engineering, tool use, and agentic workflow design.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration skills, with the ability to work effectively within a team. 

Added bonus if you have

• Hands-on experience with AI agentic development practices.
• Experience vulnerability management, and remediation processes. 
• Experience in red teaming or purple team exercises at enterprise scale
• Master's degree in Computer Science, Cybersecurity, or a related discipline. 
• Relevant certifications, such as CISSP, CISM, or OSCP, are highly desirable. 

What We’ll Bring

During your interview process, our team can fill you in on all the details of our industry-leading benefits and career development opportunities. A few highlights include:

• A work environment built on teamwork, flexibility, and respect
• Professional growth and development programs to help advance your career, as well as tuition reimbursement
• Team Member Vehicle Purchase Discount
• Toyota Team Member Lease Vehicle Program (if applicable)
• Comprehensive health care and wellness plans for your entire family
• Toyota 401(k) Savings Plan featuring a company match, as well as an annual retirement contribution from Toyota regardless of whether you contribute (if applicable)
• Paid holidays and paid time off
• Referral services related to prenatal services, adoption, childcare, schools and more
• Tax Advantaged Accounts (Health Savings Account, Health Care FSA, Dependent Care FSA)
• Relocation assistance (if applicable)

Belonging at Toyota

Our success begins and ends with our people. We embrace all perspectives and value unique human experiences. Respect for all is our North Star.

Applicants for our positions are considered without regard to race, ethnicity, national origin, sex, sexual orientation, gender identity or expression, age, disability, religion, military or veteran status, or any other characteristics protected by law.

Have a question, need assistance with your application or do you require any special accommodations? Please send an email to [email protected].