Senior Specialist, Software Engineering

L3Harris is seeking a software engineer to design, build, integrate, test, and sustain mission-critical ground software using modern AI-assisted engineering workflows. This role supports mission-critical ground capabilities such as command and control, telemetry processing, mission planning, data distribution, automation, and operator-facing tools. The ideal candidate has a strong software background, sound engineering judgment, and the ability to work effectively across software development, systems integration, automated test, and technical documentation. This position requires disciplined verification and the ability to use AI-assisted development tools to accelerate delivery while maintaining high standards for correctness, security, reliability, and traceability. Essential Functions: Design and implement software for satellite ground systems, including command and control, telemetry and data processing, mission planning, automation, simulation, and operator-facing tools. Use AI-assisted engineering tools to improve productivity in coding, integration, test generation, debugging, documentation, and code review. Validate all AI-generated output for correctness, security, maintainability, and mission suitability before integration. Develop secure, reliable, and maintainable software using modern engineering and DevSecOps practices. Integrate software with simulators, hardware interfaces, external services, databases, and mission support systems. Write automated unit, integration, and system tests, including negative and failure-mode scenarios. Support system architecture, interface definition, troubleshooting, integration issue resolution, and performance tuning. Collaborate with mission operations, systems engineering, cybersecurity, and test teams to deliver operationally ready capabilities. Contribute to documentation including requirements traceability, interface control documentation, design artifacts, and user/developer guides. Participate in agile ceremonies, peer reviews, and continuous improvement of AI-assisted software delivery practices. Ability to obtain a Top-Secret Clearance Qualifications: Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Experience with software engineering fundamentals, including debugging, troubleshooting, and designing maintainable systems. Experience working across requirements, implementation, integration, verification, and sustainment. Experience using AI-assisted development tools effectively while applying independent engineering judgment, review, and verification. Experience with APIs, distributed systems, messaging or data flows, simulator or hardware integration, and automated test. Preferred Additional Skills: Experience building software on Linux-based environments. Experience with modern web applications and operator-facing tools. Experience with messaging systems, databases, authentication and authorization, and CI/CD workflows. Experience with performance analysis, interface troubleshooting, and collaborative code review. Experience with secure coding, input validation, access control, logging, error handling, and operationally sensitive software environments. LI-KB1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .