ManTech seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in the Denver, CO. Responsibilities include but are not limited to: Troubleshoot new and current data collection issuesTroubleshoot system issues that make the system unstable or unusable.Deploy and manage all supported and unsupported Splunk Add-ons that are required for specific data sourcesProvide documentation such as body of evidence documents (as needed), engineering documents