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.
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