> Markdown version of [/jobs/ext/4598968-software-engineer-sr-e3](https://www.wearedevelopers.com/jobs/ext/4598968-software-engineer-sr-e3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Sr - E3 - **Company:** Lockheed Martin - **Location:** Fort Worth, TX, United States - **Experience:** Expert - **Salary:** $98,100 - $182,100 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Unit Testing, C++ (Programming Language), DevOps, Web Development, Middleware, Integrated Development Environments, IPv4, WildFly (JBoss AS), Networking Basics, Node.Js, Object-Oriented Software Development, Software Engineering, SonarQube, TCP/IP, Data Processing, File Transfer Protocol (FTP), ReactJS, Electron (Programming Language), Gitlab, Computer Equipment, Containerization, Kubernetes, Atlassian Tools, Build Tools, Software Coding, Restful APIs, Devsecops, Docker - **Published:** November 6, 2026 - **Apply:** https://dejobs.org/x/x/00654C6CB9D5461EBAF75B3ADBFE7E20/job/ ## About the Role * Bachelor's degree or above in a technical discipline. * Experience in full software development lifecycle * Experience with the Java Programming Language * Experience with Java build tools and unit testing * Experience with Object Oriented Design and Development * Familiarity with web development technologies (e.g. Javascript, Node.js, RESTful API(s), etc) Desired Skills * Familiarity with Air Vehicle systems and architectures * Experience with web development technologies (e.g. Javascript, Node.js, RESTful API(s), etc) * Familiarity with basic networking concepts (TCP/IP, IPv4/6, FTP) * Familiarity with DevOps CI/CD pipelines including Understanding of containerization (e.g. Docker, Kubernetes, etc) * Experience with GitLab, Atlassian tool suite, Sonarqube * Familiarity with C++ development * React (React.js) / MaterialUI (MUI) / Electron (Electron.js) familiarity * Java Middleware and Containerization familiarity (JBoss, Quarkus) ## Description Lockheed Martin is seeking a Software Engineer Sr to join a high performing team focused on software in a DevSecOps development environment for the Maintenance Systems (MxSys) Line of Business. In this role, you will work on software design, software code, and software test. The successful candidate will have experience and/or knowledge of Java programming language, agile, and testing. MUST be a US Citizen ; this position will require a government security clearance. This position is located at a facility that requires special access. 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.