Drimva

SiTime

Sr. Manager, Security Operations

$155K–$221K

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

Experience
8+ years in security operations, detection and response, or vulnerability management, including 3+ years building or substantially rebuilding a function.
Education
Bachelor's degree in Computer Science, Information Security, Engineering, or a related technical field — or equivalent practical experience.

About the job

Leads SiTime’s security operations function, building and operating its detection, threat hunting, vulnerability management, incident response, and ransomware readiness programs.

What you'll do

  • Own SIEM, log coverage, detection content, MDR operations, threat hunting, and security monitoring.
  • Operate risk-based vulnerability management, including remediation targets, exposure monitoring, and risk reporting.
  • Lead incident response and ransomware readiness, including on-call operations, playbooks, exercises, and incident command.

What they ask for

  • 8+ years in security operations, detection and response, or vulnerability management, including 3+ years building or substantially rebuilding a function.
  • Bachelor's degree in Computer Science, Information Security, Engineering, or a related technical field — or equivalent practical experience.
  • At least one of CISSP, GCIA, GCIH, GCFA, or equivalent; people leadership experience.
  • Experience with SIEM operations, MDR/MSSP management, vulnerability management, security incidents, threat hunting, MITRE ATT&CK and ATLAS, and cloud, endpoint, network, and identity telemetry.

Nice to have

  • Microsoft Sentinel experience.
  • Experience in semiconductor, hardware, fabless/manufacturing, regulated hardware/OT-adjacent, or engineering/design/laboratory environments.

Pay

$154,710 — $221,230 USD (base salary)

Tools

SIEM, Microsoft Sentinel, CrowdStrike, Darktrace, Microsoft Defender, MITRE ATT&CK, MITRE ATLAS, Azure, AWS

AI focus

Map detection coverage to MITRE ATLAS for AI systems and agents.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)