Systems Security Engineer (Hybrid)

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Systems Security Engineer (SSE) Work at the forefront of cybersecurity research and development, delivering capabilities to protect national security. Responsibilities Ensure secure product integration into Department of Defense customer systems. Manage security requirements, risk assessments, and authorization processes. Maintain security artifacts such as Attack Trees, Key Management Plans (KMP), and System Security Plans, mapping to required frameworks. Help establish secure development best practices for product teams based on customer requirements and industry standards. Interface with government security personnel and accreditation authorities. Required Skills Experience as a Systems Security Engineer on DoD platforms. Application and integration of security tools and concepts to DoD systems. Deep knowledge of DoD cybersecurity requirements, frameworks, and processes (RMF, Anti‑Tamper, Cyber Survivability, Zero Trust, etc.). Experience with security artifact development (Attack Trees, Key Management Plans, System Security Plans, etc.). Strong technical writing and documentation skills. Ability to map security requirements across different frameworks. Understanding of cryptographic implementations and key management. Direct experience developing RMF packages and Authorization to Operate (ATO) documentation for DoD platforms. Knowledge of secure development practices and secure coding standards. Familiarity with TPM and Secure Boot technologies. Knowledge of OS internals (Linux and/or Windows). Understanding of virtualization security. Experience with security testing methodologies (penetration testing, vulnerability assessment). Experience establishing secure development lifecycle processes. Understanding of vulnerability management and CVE tracking. Security Clearance Qualified applicants may be subject to a security investigation and must meet minimum qualifications for access to classified information. U.S. citizenship is required. Qualified applicants must obtain and maintain a Secret government security clearance (active clearance preferred). Interview Process Our interviews assess your experience with DoD security processes, technical understanding of the systems we secure, and your ability to establish practical security practices. Be prepared to discuss your experience with RMF, ATOs, and security artifact development. Nightwing is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class. #J-18808-Ljbffr