SIEM Migration & Implementation Lead — Modern SaaS Platform

The AES Group; San Jose (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

The AES Group in San Jose, CA is seeking an experienced SIEM Migration & Implementation Lead to drive the migration to a modern SaaS-based SIEM platform. You will own log onboarding, detection engineering, dashboards, and security analytics to empower the SOC.

The ideal candidate has 10+ years in SIEM-related roles, hands-on expertise with multiple SIEM platforms, and a proven track record of enterprise migrations.

Qualifications

• 10+ years in SIEM engineering or security operations.
• Experience leading enterprise SIEM migrations or greenfield deployments.
• Experience integrating diverse telemetry sources.
• Strong scripting with Python/PowerShell/APIs and threat-detection focus.

Responsibilities

• Lead SIEM implementation and migration activities.
• Design log collection, parsing, normalization, and correlation.
• Migrate log sources, detections, dashboards, reports, and integrations.
• Develop detection content, correlation rules, dashboards, and analytics.
• Write complex SIEM queries for investigations and threat hunting.
• Onboard endpoint, firewall, DNS, identity, cloud, and other logs.
• Support testing, cutover, go-live, and operational transition.

Skills

SIEM Engineering

Security Monitoring

Detection Engineering

SIEM Query Writing

Scripting (Python/PowerShell)

MITRE ATT&CK

Log Onboarding

Tools

Splunk

IBM QRadar

ArcSight

Job description

The AES Group in San Jose, CA is seeking an experienced SIEM Migration & Implementation Lead to drive the migration to a modern SaaS-based SIEM platform. You will own log onboarding, detection engineering, dashboards, and security analytics to empower the SOC.

The ideal candidate has 10+ years in SIEM-related roles, hands-on expertise with multiple SIEM platforms, and a proven track record of enterprise migrations.