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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Sr - Level 3 - **Company:** Lockheed Martin - **Location:** Potomac, MD, United States - **Experience:** Expert - **Salary:** $110,300.0 - $204,900.0 - **Contract:** Permanent contract - **Skills:** Comptia Cloud+, Apache ActiveMQ, Agile Methodology, Artificial Intelligence, Amazon Web Services, Systems Engineering, JIRA, Automation of Tests, Microsoft Azure, C++ (Programming Language), Cloud Computing, Cloud Computing Security, Collaborative Software, Information Systems, Computer Networks, Continuous Integration, Linux, Network Interface Controllers, Networking Hardware, Internet Security, Python (Programming Language), Network Planning and Design, Network Monitoring, Network Management System, OpenShift, OpenStack, Systems Development Life Cycle, Software Engineering, Data Processing, Enterprise Software Applications, Gitlab, Computer Equipment, Kubernetes, Restful APIs, Docker, Programming Languages - **Published:** October 30, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-sr-level-3-rockville-md--81f9e96b-47c4-424b-a526-5ed19b63f344 ## About the Role Software Engineering, Cost Control, Software Development Lifecycle (SDLC), Computer Networks, Network Management Software, Prototyping Programming Languages, Internet Security, Enterprise Applications, Prototyping, Government, * Software development experience and proficiency in C++, Linux, and Python * Excellent communication skills * Ability to work in a fast-paced environment * Ability to support occasional short-term domestic business travel (up to 25%) * Experience with Agile development methodologies and collaboration tools (e.g., Jira, GitLab) * Ability to obtain a US government security clearance Desired Skills * Experience in application containerization (e.g. Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift) * Experience designing and documenting microservice-based architectures * Understanding of open architecture, cloud-computing design, and security principles * Experience integrating software components via machine-to-machine interfaces (e.g., RESTful APIs, ActiveMQ, etc.) * Experienced in space data networking * Experience with network design processes, to include understanding of security objectives, operational objectives, and risk mitigation strategy for the information system. * Recognized cloud practitioner and experience with Cloud Security (CCSP, AWS, CSA, CompTIA Cloud+, CCSK, or others). * Experience in Requirements and Interface Control Document (ICD) definitions * Experience with test automation and continuous integration and deployment (CI/CD) * Proficient in AI prompting as it applies to this position and practice ## Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation. And we're reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The selected candidate will support the Space Data Networking (SDN) program by prototyping an advanced hardware network appliance and a software lifecycle network management system for use with software defined networking technology. LM shall develop and prototype key components of the architecture and shall be responsible for providing the core network management system, our enterprise software, and Orchestrator while leveraging our cybersecurity/RMF capabilities. The primary SDN goals for LM are to prototype and deliver an open, standards-based framework, ensuring full interoperability with Government-provided third-party components, and to demonstrate integrated operations. As a member of the NSO ground team, the responsibilities include supporting agile software design and development activities using the best software development practices as well as supporting critical test preparation and events. The candidate will have a commendable work ethic, be a results-oriented team player, creative thinker and problem-solver, collaborating with an exceptional team of software and systems engineers prototyping features and solutions and demonstrating software features and capabilities to both internal and external partners., Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.