On-Prem SIEM Deployment Project

I need a cybersecurity specialist who can design and deploy a full-featured SIEM for my strictly on-premises environment. The number-one goal is rapid threat detection and incident identification, so every decision— from log sources to correlation rules— must serve that purpose... (Budget: $250 - $750 USD, Jobs: Alerting, Automation, Compliance, Documentation, Graylog, Incident Response, Network Security, Splunk)