Senior Cyber Security Engineer

**MANTECH** seeks a motivated, career and customer\-oriented **Senior Cyber Security Engineer** , serving as a Splunk Engineer to join our team in Chantilly, VA. **Responsibilities Include But Are Not Limited To** * Manage the day\-to\-day operation, upgrades, and architectural deployment of a large Splunk Enterprise environment. * Troubleshoot data collection issues and system instabilities to ensure maximum platform availability. * Design, deploy, and manage supported and unsupported Splunk Add\-ons and Forwarders using centralized configuration tools. * Develop system integrations via APIs and maintain strict role\-based access controls for collected data. * Oversee Knowledge Object Management, Common Information Model (CIM) tuning, and Enterprise Security configurations. * Author comprehensive engineering, change management, and security accreditation documentation, including Body of Evidence artifacts. * Perform security analysis and utilize network monitoring tools to enforce security policies and standards collaboratively. **Minimum Qualifications** * Bachelor’s degree, or 4\+ additional years of cyber experience in lieu of degree. * 5\+ years of related systems administration or security experience. * 3\+ years of dedicated experience with Splunk and Splunk Enterprise Security. * Experience working as a system administrator or security professional within an enterprise environment. * Hands\-on proficiency operating within both Unix and Windows operating systems. * Active DoD 8570 IAT Level II certification. **Preferred Qualifications** * Active Splunk certifications such as Architect, Consultant I/II, Admin, or Power User. * 5\+ years of experience with scripting languages (Bash), application development (Python, Java, Perl, .NET), and databases. * Demonstrated background implementing security and operational\-related use cases. **Clearance Requirements** * An active TS/SCI with Polygraph is required. **Physical Requirements** * Must be able to remain in a stationary position 50% of the time. * Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co\-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.