Lockheed Martin seeks a Software Engineer to build secure, mission-critical applications supporting advanced aerospace and defense manufacturing. In this role, you will design, develop, test, and deploy software that integrates with complex hardware and real-time systems, following strict security and quality standards. You will collaborate with multidisciplinary engineers, apply secure coding practices in polygraph or cleared environments, and contribute to CI/CD pipelines, automation, and documentation. This position offers strong growth, impactful work on global security, and competitive compensation and benefits.