Sr. Software Engineer

Company: Lockheed Martin
Location: King of Prussia
Posted on: January 19, 2026

Job Description:

At Lockheed Martin, a global leader in aerospace and defense technologies, we are currently seeking a seasoned Sr. Software Engineer to join our IT & Data Management team. This role focuses on developing and enhancing mission-critical software applications that guarantee the security and efficiency of our various aerospace and defense projects. The ideal candidate will possess a strong background in software development, a thorough understanding of data systems, and a commitment to ethical practices and teamwork in accordance with Lockheed Martins core standards. Design, develop, and maintain software systems that meet mission-specific requirements. Collaborate with cross-functional teams to integrate systems and technologies. Test and implement code using best industry practices. Document software development and ensure compliance with company and security standards. Participate in peer reviews and contribute to team knowledge sharing. Assist in the planning and forecasting of project timelines. Proficient in C++, Java, or Python. Experience with real-time operating systems (RTOS) and embedded systems. Strong understanding of software security practices. Ability to manage databases and perform data integration. Familiarity with DevOps tools such as Jenkins, Git, and Docker. Medical Insurance Dental Insurance Vision Insurance Life Insurance 401k Certified Software Development Professional (CSDP) or similar. Security clearance (or ability to obtain it) is highly beneficial.

Keywords: Lockheed Martin, Yonkers , Sr. Software Engineer, IT / Software / Systems , King of Prussia, New York

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