Drimva

SiTime

Sr. Principal, Security Architecture

$155K–$221K

California, Santa Clara · Principal · Full-time · Posted Oct 15, 2026

Experience
8+ years in information security, including 5+ years in a dedicated security architecture role.
Education
Bachelor's degree in Computer Science, Information Security, or a related technical field — or equivalent practical experience.

About the job

Owns SiTime’s security architecture and control baselines, approving security designs and ensuring protections are implemented across enterprise, engineering, AI, product, and supply-chain environments.

What you'll do

  • Define target-state architecture, environment-specific controls, and security design reviews for enterprise, cloud, laboratory, and engineering systems.
  • Set security boundaries for AI adoption and data protection, including classification, access, monitoring, and loss prevention.
  • Define security requirements for supply-chain connections and support market-access requirements and customer security reviews.

What they ask for

  • 8+ years in information security, including 5+ years in a dedicated security architecture role.
  • Bachelor's degree in Computer Science, Information Security, or a related technical field — or equivalent practical experience.
  • At least one of the following certifications: CISSP, CCSP, or a major cloud security architecture certification.
  • Deep architecture experience across identity, data protection, cloud (Azure, AWS), network segmentation, and endpoint; experience setting control baselines and running enterprise-scale security design reviews.

Nice to have

  • Experience in semiconductor, hardware, or fabless/manufacturing environments; product security and secure development lifecycle experience.
  • Experience designing security architecture for enterprise AI adoption; familiarity with EU Cyber Resilience Act, NIS2, CMMC, NIST SP 800-171, hardware root of trust, secure boot, or device identity.

Pay

$154,710 — $221,230 USD (base salary)

Tools

Azure, AWS, NIST CSF, NIST SP 800-53, ISO 27001, EU Cyber Resilience Act, NIS2, CMMC

AI focus

Set security architecture and boundaries for sanctioned AI use, including data boundaries, model and agent access, tenancy, logging, and monitoring; advise the Head of AI and team.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 6, 2026 (UTC)