Systems Engineer II

RTX (Raytheon); Orlando (FL); On-site; USD 110,000 - 160,000; Full time

Job summary

RTX, a leading aerospace and defense company, seeks a Senior Software Engineer for onsite work in Orlando, FL. You will design, develop, test, and maintain software using Python, Java, and C/C++ in a Unix/Linux environment, with responsibilities spanning debugging, system-level programming, and integration with APIs and hardware interfaces.

The role requires a STEM degree and at least 2 years of relevant experience, along with the ability to obtain a U.S. SECRET interim clearance.

Qualifications

• Requires degree in Science, Technology, Engineering or Mathematics (STEM) and at least 2 years of relevant experience.
• Experience using Python, Java, C/C++.
• Experience with Git and CM processes.
• Experience operating on Linux/Windows platforms.
• Ability to obtain and maintain a U.S. government issued interim secret security clearance; U.S. citizenship required.

Responsibilities

• Design, develop, test, and maintain software applications supporting mission engineering using Python, C++, and Java.
• Work in Unix/Linux environments, including shell scripting, debugging, and system-level programming.
• Create scalable, maintainable software following best practices in architecture and design.
• Collaborate with cross-functional teams including product management, QA, and DevOps.
• Provide feedback to ensure code quality and adherence to standards; troubleshoot and optimize performance.

Skills

Python

Java

C/C++

Git

Linux

Windows

Agile/Scrum

Education

Bachelor's degree in STEM

Tools

Docker

JSON/XML

UML/SYSML

Job description

Date Posted: 2026-09-15

Country: United States of America

Location: US-FL-ORLANDO-13501 ~ 13501 Ingenuity Dr ~ INGENUITY, Ste 100

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

As a Senior Software Engineer, you will support requirements, design, development using Python, C++ and Java, test, validation, and maintenance.

This is an onsite role based in Orlando, FL.

What You Will Do

• Design, develop, test, and maintain software applications that support mission engineering using Python, C++ and Java
• Work within Unix/Linux operating systems, including shell scripting, debugging, and system-level programming
• Implement scalable and maintainable software solutions following best practices in architecture and design
• Collaborate with cross-functional teams, including product management, QA, and DevOps
• Provide feedback to ensure code quality and adherence to standards
• Troubleshoot and optimize existing software for performance, reliability, and scalability
• Integrate with APIs, system libraries, and hardware interfaces as needed
• Develop and maintain documentation, including technical specifications and user guides
• Participate in Agile/Scrum development cycles, contributing to sprint planning and estimation
• Stay current with industry trends and advancements in modern languages, Artificial Intelligence (AI), Development, Security, and Operations (DevSecOps), and other methodologies and technologies, especially in relation to complex systems.
• Travel may occasionally be required.

What You Will Learn

• Agile methodology and the associated tools.
• Modern Development, Security, and Operations (DevSecOps) and Continuous Integration/Continuous Delivery techniques.
• Work across engineering disciplines to develop solutions to complex problems in support of defense systems.
• Mission engineering techniques to conduct trade studies and analysis of alternatives

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience unless prohibited by local laws/regulations.
• Experience in using Python, Java, C/C++
• Experience with version control tools (i.e., Git) in compliance with program configuration management processes
• Operate collaboratively in a development team environment
• Experience working on Linux/windows platforms.
• The ability to obtain and maintain a U.S. government issued interim secret security clearance is required prior to start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Experience participating and supporting analyses and studies to include understanding how to define and execute a study
• Experience evaluating new concepts of operation and developing new technology use cases
• Strong technical and analytical skills to develop credible results for presenting to the customer

Qualifications We Prefer

• Active Secret security clearance.
• Experience with Python or other scripting languages.
• Experience with orchestration services (i.e. docker)
• Experience with JSON, XML and other structures
• Understanding UML/SYSML

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includ