Senior Software Engineer Staff - Clearance Required

Job Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you‘ll receive a $3,000 payment! code-extrefer WHAT WE’RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK In this role you will: • Analyze user requirements to derive software design and performance requirements • Design and code new software or modify existing software to add new features • Integrate existing software into new or modified systems or operating environments • Write or review software and system documentation • Serve as team lead at the level appropriate to the software development process being used on any particular project • Design or implement complex database or data repository interfaces/queries • Develop or implement algorithms to meet or exceed system performance and functional standards • Assist with developing and executing test procedures for software components • Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas • Modify existing software to correct errors, to adapt to new hardware, or to improve its performance • Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design • Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products • Implement recommendations for improving documentation and software development process standards • Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met WHO WE ARE The program is on fire for cyber. In support of our customer, members of the team are responsible for providing full lifecycle support including analysis, design, development, integration, testing, procurement, deployment, security, training and sustainment for collection and antenna systems. WHY JOIN US In this role you will have the opportunity to safeguard vital national security systems while advancing cutting‑edge cyber defense technologies. Our benefits are built to match the caliber of your work. Reliable, high-performing, and mission-ready. You’ll enjoy world‑class resources, mentorship, continuous learning, competitive compensation, comprehensive benefits, and a supportive work‑life balance—all within a culture that values innovation, integrity, and collaboration. This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you‘ll receive a $3000 payment! Code extrefer. #OneLMHotJob #RMSIL2026 Qualifications: • Fourteen (14) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree Candidate must possess active security clearance with a polygraph.