Njeri Kamau, ai security engineer

Njeri Kamau

Senior AI Security Engineer

Nairobi, Kenya · Africa/Nairobi (UTC+3) · 8 years of experience

Njeri focuses on securing AI applications, data paths, model supply chains, and agent permissions.

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Why this profile fits

AI-specific threat modeling

Covers prompt injection, sensitive-data exposure, unsafe tool use, model supply chains, and excessive agency.

Least-privilege architecture

Scopes identities, tools, data access, secrets, and network paths to the minimum required for each workload.

Adversarial validation

Turns abuse cases and incidents into repeatable tests, monitoring signals, and response playbooks.

Relevant toolkit

Threat ModelingIAMKubernetes SecurityLLM Red TeamingSIEM

Delivery evidence

Selected work

AI Security Detection Pack

telecommunications

Designed and delivered a AI security programme focused on AI security monitoring and response; cut time to detect anomalous tool use from hours to under eight minutes. The release included threat models, least-privilege controls, adversarial tests, logging, and incident playbooks mapped to OWASP guidance.

Threat ModelingPython

Agent Incident Response Playbook

telecommunications operations

Built the supporting control and measurement layer for the primary system, covering review queues, regression checks, operational visibility, and a documented handoff to the owning team.

Threat ModelingKubernetes Security
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Relevant experience

Career timeline

Senior AI Security Engineer

2024–Present

Devlyn client assignments · Remote

  • Led AI security monitoring and response delivery for a telecommunications team and cut time to detect anomalous tool use from hours to under eight minutes.

AI Security Engineer

2019–2023

telecommunications product company (confidential) · Nairobi, Kenya

  • Built production systems in telecommunications, with increasing ownership of reliability, testing, and stakeholder delivery.

Skill depth

Show experience in context.

VerbalCommunicationDomainUnderstandingProblemSolvingCodeQualitySystemDesignDeliverySpeed
Competency shapeAssessment across the same six dimensions used for every profile.

Relevant experience by skill

Threat Modeling8 years
Python7 years
IAM6 years
Kubernetes Security5 years
LLM Red Teaming8 years
SIEM7 years
See the complete skill index

Languages

PythonTypeScriptSQLBash

Frameworks

PythonIAMKubernetes SecurityOPAVaultSemgrep

Tools

Burp SuiteFalcoTerraformGitHub ActionsDocker

Platforms

AWSGoogle CloudAzureKubernetes

Storage

VaultS3PostgreSQLSecurity Lake

Paradigms

Secure-by-design AIZero trustAdversarial testingSupply-chain security

Credentials

Certifications

HashiCorp Certified: Vault Associate (003)

HashiCorp · 2024 · Certified

Google Cloud Professional Cloud Security Engineer

Google Cloud · 2023 · Certified

Communication

Languages

English

Fluent

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