Senior Software Engineer; Onsite

Role Summary

Senior Software Engineer (Onsite, Richardson, TX). Design, develop, integrate, test, and support mission‑critical software solutions with moderate to high complexity. Requires technical independence, strong problem‑solving skills, and collaboration across engineering disciplines.

• Independently complete complex software tasks, deliver high‑performance software, and contribute directly to mission success.
• Improve the Matching Team’s rapid data materialization and de‑duplication performance, strengthen analytics workflows, and support customer demonstrations with clear technical communication.
• Develop Python services and analytics features.
• Build and optimize triple store/knowledge graph solutions.
• Contribute to integration, debugging, and performance tuning.
• Support CI/CD, containerization, and secure development practices.
• Collaborate across engineering teams and provide guidance to junior engineers.

• Minimum 5 years of experience developing and supporting software applications.
• Experience with Python.
• Experience with triple stores, SPARQL, and semantic data.
• Analytics development experience.
• Active and transferable Top Secret U.S. government‑issued security clearance is required prior to start date.
• U.S. citizenship is required.
• Preferred: experience with Docker, Kubernetes, and Open Shift.
• Preferred: familiarity with CI/CD and Dev Sec Ops  tools.
• Preferred: experience with distributed systems, cloud‑native tools, or mission‑critical environments.
• Advanced degree in Computer Science or AI/ML is a plus.
• Strong troubleshooting and communication skills.

Comprehensive total rewards package, including competitive compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs; parental leave; flexible work schedules; educational assistance; and child/adult backup care. Relocation assistance is available.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans.