Systems Engineer II

RTX; Orlando (FL); On-site; USD 69,000 - 131,000; Full time

Job summary

RTX in Orlando, FL, seeks a Senior Software Engineer to design and develop software using Python, C++, and Java on Unix/Linux systems. You will participate in Agile development, collaborate across teams, and contribute to system-level programming and maintenance.

The role requires strong analytical skills, experience with Git, Docker, and modern development practices, and eligibility for a U.S. government security clearance. Travel may be needed.

Qualifications

• Typically requires a STEM degree and at least 2 years of relevant experience.
• Experience with Python, Java, C/C++.
• Experience with Git in CM processes.
• Operate collaboratively in a development team environment.
• Experience on Linux and Windows platforms.
• Ability to obtain and maintain a U.S. government interim secret clearance; U.S. citizenship required.
• Experience supporting analyses and studies; ability to define and execute a study.
• Experience evaluating new concepts of operation and developing technology use cases.
• Strong technical and analytical skills to present credible results to customers.

Responsibilities

• Design, develop, test, and maintain software applications using Python, C++, and Java.
• Work within Unix/Linux OS, including shell scripting, debugging, and system-level programming.
• Implement scalable, maintainable software following best practices.
• Collaborate with product management, QA, and DevOps.
• Provide feedback to ensure code quality and standards.
• Troubleshoot and optimize software for performance and reliability.
• Integrate with APIs, system libraries, and hardware interfaces.
• Develop and maintain documentation and user guides.
• Participate in Agile/Scrum cycles with sprint planning and estimation.
• Stay current with trends in AI, DevSecOps, and modern development techniques.

Skills

Python

Java

C/C++

Git

Linux

Windows

Agile/Scrum

Education

STEM degree

Tools

Docker

JSON

XML

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.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in‑person at one of our office locations, regardless of whether the role is designated as on‑site, hybrid or remote.

The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement.

Hired applicants may be eligible for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective‑bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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 in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.