Engineer - AI Security
Exelixis•Alameda, CA
•$129,000 - $182,000•Onsite
About The Position
The Engineer I -AI and Agentic supports Exelixis' AI initiatives by prototyping, building, and deploying agent-based applications that accelerate enterprise IT and business workflows. This role turns early ideas into spec-driven, testable, production-ready solutions using modern AI-assisted development tools while adhering to Exelixis' security, compliance, and responsible AI standards.
Requirements
- Bachelor's degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or a related field and 3 years of related experience; or Master’s degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or a related field and 1 year or related experience; or Equivalent combination of education and experience.
- Up to 2 years of relevant experience in AI application, data science, automation, or related technical work, including hands-on experience building or contributing to LLM-enabled applications, agentic workflows, API integrations.
- General exposure to LLMs, prompt engineering, agent frameworks, or AI application development through coursework or projects.
- General understanding of agentic development concepts: tool use, planning/execution loops, guardrails, prompt/version management and context engineering.
- General familiarity with automated testing (unit/integration), linting, and CI pipelines.
- General communication skills, written and verbal to collaborate with cross-functional teammates.
- Demonstrated ability to learn new tools quickly, bias for action, and attention to detail regarding security, privacy, and compliance.
- General familiarity with REST APIs, Git, and software development fundamentals.
Nice To Haves
- Exposure to AWS Cloud, AWS Bedrock, Databricks Mosaic AI, or comparable agent frameworks.
- Exposure to AI-native engineering with Claude Code, Codex, GitHub Copilot, or equivalent coding agents.
- General to Intermediate proficiency in Python and/or JavaScript/TypeScript.
- Familiarity with APIs, Git, and software development basics.
Responsibilities
- Build pilot AI applications and agentic workflows under the direction of senior engineers, translating ideas into working prototypes.
- Prototype rapidly using vibe-coding techniques, then evolve prototypes into maintainable code through clear specifications, structured prompts, tests, modular design, and error handling.
- Develop agents that automate multi-step IT and business tasks by connecting LLMs, prompts, tools, and APIs into practical use cases.
- Use coding agents and modern developer tools (e.g., Claude Code, GitHub Copilot, Codex) to accelerate delivery.
- Execute CI/CD pipeline tasks for automated testing, build validation gates, and artifact versioning.
- Write documentation and runbooks, including architecture notes, setup instructions, operational SOPs, and end-user guidance.
- Participate in prompt/spec reviews, code reviews, and pre-release testing/validation activities.
- Apply secure-by-design and responsible AI principles, including data handling, privacy, and safe prompting practices aligned to Exelixis policy.
- Performs other duties as assigned.
- Complies with all policies and standards.
Benefits
- 401k plan with generous company contributions
- group medical, dental and vision coverage
- life and disability insurance
- flexible spending accounts
- discretionary annual bonus program
- opportunity to purchase company stock
- long-term incentives
- 15 accrued vacation days in their first year
- 17 paid holidays including a winter shutdown in December
- up to 10 sick days throughout the calendar year
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What This Job Offers
Job Type
Full-time
Career Level
Entry Level
