Principal AI Engineer
- Location
- San Jose, CA (Remote)
- Job type
- Full-time
- Level
- Executive
- Experience
- 10+ years
- Education
- Bachelor's degree
- Listed
- 23 days ago
Skills & highlights for this role
- LLM architecture
- Vector database
- Kubernetes
- Docker
- distributed systems
Also useful
- Google SecOps
- Chronicle
- graph databases
- SIEM
- EDR
- SOAR
Job Responsibilities
- Design & build the AI layer that powers autonomous detection, RAG-backed investigation, and auto-remediation workflows.
- Develop and productionize large-scale LLMs, graph-based reasoning engines, and streaming feature pipelines that operate on billions of security events.
- Own evaluation & reliability-from prompt libraries and fine tuning to red-team testing, latency budgets, and fallback strategies.
- Mentor & grow a cohort of AI engineers; run design reviews, uphold code quality, and instill a security-first mindset.
- Partner tightly with Product, Detection Engineering, and Customer Success to translate real-world attacker behavior into robust ML and rule-based detections.
- Push the frontier-experiment with retrieval-augmented generation, tool-calling agents, and multi-modal models (text + logs + graphs) to keep defenders decisively ahead.
Required Skills & Qualifications
- Software Engineering & Architecture Expertise
- 10+ years of experience in software development, engineering production systems using modern programming languages (Python, Go, Rust, or Java).
- Deep knowledge of LLM architecture, prompt engineering, and Vector database workflows.
- Hands-on experience building agents, orchestration frameworks (LangChain/LangGraph, Agno AGI, or custom), and evaluation harnesses.
- Deep understanding of microservices architecture, containerization (Docker, Kubernetes), and event-driven systems.
- Strong fundamentals in API design (REST/gRPC) and distributed systems.
- Clear, concise communication skills and a bias for collaborative problem-solving.
- Nice-to-have
- Prior work in cybersecurity (SIEM, EDR, SOAR, or MDR).
- Experience with graph databases or security-focused knowledge graphs.
- Familiarity with cloud infrastructure security (AWS, GCP, or Azure).
- Background leading teams in high-growth startups or enterprise SaaS.
- Soft Skills
- Strong problem-solving and analytical skills.
- Excellent communication and leadership abilities.
- Ability to mentor and influence engineering teams.
- Passion for cybersecurity and automation.
Education & Certifications
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- Relevant certifications (AWS/GCP Professional Engineer, Kubernetes, or security-related credentials) are a plus.
Company Overview
TENEX is an AI-native, automation-first, built-for-scale Managed Detection and Response (MDR) provider. We are a force multiplier for defenders, helping organizations enhance their cybersecurity posture through advanced threat detection, rapid response, and continuous protection. Our team is composed of industry experts with deep experience in cybersecurity, automation and AI-driven solutions. Backed by leading investors, we are rapidly growing and seeking top talent to join our mission of revolutionizing the AI-Native MDR landscape.
We’re a fast growing startup backed by industry experts and top tier investors led by Crosspoint Capital Partners and also backed by Shield Capital, DTCP (formerly Deutsche Telekom Capital Partners), Deepwork Capital, and the Florida Opportunity Fund. Seed round led by Andreessen Horowitz (a16z). As an early employee, you’ll play a meaningful role in defining and building our culture. Get in on the ground floor. We’re a small but well-funded team that just raised a substantial round - joining now comes with limited risk and unlimited upside.
As a Principal AI Engineer at TENEX, you will be a key technical leader responsible for designing, developing, and optimizing scalable, high-performance AI systems. You will play a crucial role in shaping the architecture of our AI-driven cybersecurity solutions while mentoring engineering teams and driving technical innovation.
Location: This role will require Monday - Thursday onsite in any of our locations. WFH Friday.
Why Join Us?
- Opportunity to work with cutting-edge AI-driven cybersecurity technologies and Google SecOps solutions.
- Collaborate with a talented and innovative team focused on continuously improving security operations.
- Competitive salary and benefits package.
- A culture of growth and development, with opportunities to expand your knowledge in AI, cybersecurity, and emerging technologies.
If you're passionate about combining cybersecurity expertise with artificial intelligence and have experience with Google SecOps and Chronicle, we encourage you to apply!
From TENEX.AI's careers page, first listed on Rolev.ai on October 17, 2026. Rolev.ai is not the employer.
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Common questions
Where is the Principal AI Engineer job at TENEX.AI located?
Yes, this Principal AI Engineer opening at TENEX.AI is listed as San Jose, CA (Remote). Always check TENEX.AI's application page for specific state eligibility or relocation policies.
What qualifications are required for Principal AI Engineer at TENEX.AI?
For the Principal AI Engineer role, TENEX.AI highlights 10+ years of relevant experience; a bachelor's degree; experience with LLM architecture, Vector database, Kubernetes, Docker, distributed systems. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Principal AI Engineer position at TENEX.AI?
This listing links directly to TENEX.AI's Ashby application page. You can apply directly on TENEX.AI's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.