Senior Application Security Engineering Lead

Application Security Engineer Lead

Sci Tec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For more than forty-five years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance;

space domain awareness; and aircraft survivability missions.

Sci Tec has an immediate opportunity for a talented engineer to support our programs delivering Next-Generation Missile Warning software. This is a unique opportunity to join a business delivering core capabilities for National defense. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent Infra Red (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.

We are seeking an Application Security Engineer Lead to help secure mission-critical software systems by identifying, analyzing, and mitigating application-level vulnerabilities. This role focuses on hands-on security analysis, tooling integration, and working directly with software engineers to embed security into the development lifecycle.

The ideal candidate combines strong technical security skills with the ability to collaborate effectively with developers in a Dev Sec Ops  environment.

• Perform application security analysis using both automated and manual techniques, including:
• Static code analysis (SAST)
• Software composition analysis (SCA)
• Fuzzing
• Manual code and design reviews
• Lead an application security team in support of multiple programs
• Identify, analyze, and help remediate application vulnerabilities
• Support software engineers in integrating security considerations into system and application designs
• Integrate and maintain application security tooling within CI/CD and Dev Sec Ops  pipelines
• Design, implement, and improve continuous integration security analysis tooling
• Tune and maintain security tools to reduce false positives and improve signal quality
• Assist development teams in understanding findings and implementing effective fixes
• Support threat modeling and secure design reviews
• Stay current with emerging vulnerabilities, attack techniques, and mitigation strategies
• Document findings, recommendations, and best practices
• Perform other duties as assigned