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# Software Engineer Sr - Level 3

- **Company:** Lockheed Martin
- **Location:** Fort Worth, TX, United States
- **Experience:** Expert
- **Salary:** $98,100 - $182,100
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Software Suite, Unit Testing, C++ (Programming Language), Software Documentation, Communication Softwares, Computer Engineering, Continuous Integration, Software Debugging, Linux, Systems Analysis, Python (Programming Language), Multicasting, Rapid Prototyping Process, Real-Time Operating Systems, Software Engineering, Software Systems, Systems Integration, Transmission Control Protocol (TCP), Management of Software Versions, Data Processing, SC Clearance, Computer Equipment, Information Technology, Software Version Control
- **Published:** November 8, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-sr-level-3-fort-worth-tx--0ca7d891-547d-4c5f-9fbf-a97aee08e2af

## About the Role

Software Engineering, Data Processing, Data Entry, Documentation, Programming Methodologies, Systems Analysis, Testing, Product Lifecycle, Computer Hardware, Debugging Tools, * Bachelor''s degree or above from an accredited college in a relevant field of study (Computer Science, Computer Engineering, Electrical Engineering)

 * Experience working with and leading agile software development process in a team environment
 * Unit test development and execution experience
 * Experience developing C/C++ software systems
 * Proficiency in Java/Python
 * CI/CD pipeline implementation and maintenance
 * Demonstrated experience with development transport and messaging protocols (e.g., UDP, TCP, Multicast, DDS, AMQ, etc.)
 * Demonstrated version control and documentation skills
 * Experience with Linux or RTOS (real-time operating systems) and associated development toolchains
 * Must be a US Citizen with ability to obtain and maintain Secret clearance updated within the last 5 years

Desired Skills

 * 5+ years of professional software development experience
 * Experience with developing software for avionics systems
 * Aircraft communication systems (Line of Sight, Beyond Line of Sight) development and integration experience
 * OMS/UCI systems experience
 * Lab experience with integration and testing

## Description

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., This position offers the opportunity for an experienced professional to shape the architecture of our software suite while mentoring junior developers and guiding the team throughout the full software development lifecycle. You''ll work at the intersection of software engineering and systems integration, contributing to both rapid prototyping efforts and deliverable software releases. This role provides significant technical influence, exposure to diverse protocols and platforms, and the chance to grow into a subject matter expert in airborne communications systems. This position will be on-site in Fort Worth with a flexible work schedule.

Your Impact

You will lead the development and integration of communication software systems, working across the full software development lifecycle. Responsibilities include:

 * Providing technical expertise and independent initiative to solve unique problem sets.
 * Supporting integration and test events for communication payloads and subsystem validation
 * Ensuring software documentation standards and versioning control best practices
 * Implementing and validating CI/CD pipelines for automated build, test, and deployment
 * Applying agile processes to deliver incremental improvements to communication systems
 * Supporting planning and scheduling for key integration and milestone events
 * Driving continuous improvement in development methodologies and practices