> Markdown version of [/jobs/ext/3852844-software-engineer-sr-e3](https://www.wearedevelopers.com/jobs/ext/3852844-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:** Orlando, FL, United States - **Experience:** Expert - **Salary:** $98,100.0 - $182,100.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), Adobe InDesign, Agile Methodology, Artificial Intelligence, Systems Engineering, C Sharp (Programming Language), C++ (Programming Language), Databases, Computer Engineering, PostgreSQL, OpenLDAP, Software Engineering, .NET Core, Information Technology, Enterprise Integration, Web Api, Programming Languages - **Published:** October 21, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3462141892&tx=UT5652THT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Bachelors of Science in Computer Engineering, Software Engineering, Computer Science, or Engineer field * 3 or more years of experience using C, C++, C# or similar programming languages * Software design and testing experience in a professional environment * Experience utilizing Agile software development methodologies Desired Skills * Experience with Automatic Test Equipment software development * .NET Core development or equivalent experience in other languages * OpenLDAP experience * gRPC experience * WebAPI development * Database experience (PostgreSQL) * Experience working in an integrated cross-functional team setting (Systems, Hardware, Integration and Test Engineers) * Integration of AI products/agents into work stream ## Description As a key member of our Automatic Test Equipment (ATE) Software Engineering Team, responsibilities will include: * Contribute to the creation of design solutions for complex engineering problems in the software cycle * Utilize Model Based System Engineering (MBSE) to develop functional, architectural, and detailed designs * Enhance product design to provide added or updated functionality based on operational scenarios and customer requirements for Automated Test Equipment (ATE) * Apply technical knowledge to solve complex problems * Design, assessment, troubleshooting of ATE * Present design for cross functional peer reviews * Apply site policy and procedures Who You Are You thrive in a collaborative, multidisciplinary engineering environment and are committed to delivering best-in-class products and solutions. You have project and technical experience, proven integration skills, and good communication skills. Some intermittent travel and shift work could be required. This position may also involve support for research, design, and development of process improvements to maximize use and efficiency of automatic test. In this role, the engineer will be required to participate in design reviews, strategy sessions, and customer support meetings. Why Join Us Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures, and we're building an environment that celebrates knowledge sharing and mentorship. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded engineer and enable them to take on more complex tasks in the future.