Mantech seeks a motivated and experienced Principal Cyber Security Engineer to join our team in Denver, CO. This role supports mission-critical cybersecurity efforts by engineering and maintaining secure, scalable systems for data collection and analysis. You will work with a collaborative team to resolve complex system issues, document engineering solutions, and ensure compliance with cybersecurity standards.
Responsibilities include but are not limited to:
- Troubleshooting new and current data collection issues
- Diagnosing and resolving system issues that affect system stability or usability
- Deploying and managing supported and unsupported Splunk Add-ons required for specific data sources
- Creating and maintaining documentation including Body of Evidence (BOE) documents, engineering artifacts, change management records, system security plans, and accreditation packages
- Delivering detailed Splunk deployment documentation outlining specifications, deployment methods, and architectural considerations for production environments
- Implementing and maintaining strict role-based access control (RBAC) around collected data to enforce need-to-know access
- Designing and deploying Splunk forwarders using centralized configuration management through the Splunk Deployment Server
Minimum Qualifications:
- Bachelor’s degree or 4+ additional years of cyber experience in lieu of a degree
- 7+ years of experience in an IT role
- Hands-on experience with Security Information and Event Management (SIEM) platforms, particularly Splunk
- Proficiency with Linux systems administration, operating system security best practices, TCP/IP networking, and network security fundamentals
- Familiarity with Certification & Accreditation (C&A) processes
- Knowledge of Department of Defense (DoD) policy and technical security guidance applicable to information systems
- DoD Directive 8570.1 IAT Level II or higher certification, or ability to obtain within 6 months
Preferred Qualifications:
- Experience with Linux distributions such as Red Hat and CentOS
- Background working in cloud environments like AWS
- Knowledge of ICS 500-27 audit collection requirements
- Familiarity with Enterprise Security Services, Host-Based Security Services, Enterprise Vulnerability Scanning, and User Activity Monitoring (UAM)
- Ability to configure feed creation processes for customer log ingestion in compliance with policy requirements
Clearance Requirements:
- Must have a current/active TS/SCI with Polygraph
Physical Requirements:
- The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and/or virtual communication, which may involve delivering presentations.