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Software Engineering Intern (Summer 2027)

RTX
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St. Petersburg, FL, USA
Sep 20, 2026

Date Posted:

2026-09-15

Country:

United States of America

Location:

US-FL-ST PETERSBURG-381BD ~ 7401 22nd Ave N ~ BLDG D

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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. 

What You Will Do

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Collins Aerospace’s Cooperative Engagement Capability provides enhanced integrated air and missile defense capability to the battle force by providing accurate, continuous target tracks to all units in the network.  Since the start of the development of the Cooperative Engagement Capability (CEC), Collins Aerospace has worked hand in hand with the U.S. Navy to deliver and evolve this innovative war fighting capability to the fleet. 

We are seeking Software Engineer Interns to join our software development team located in St. Petersburg, Florida.  All teams develop software in a variety of languages including C++, Python, and several others. Candidates can expect to work on many if not all the phases of the software development life cycle. In this position, you will be responsible for providing practical solutions to difficult technical software problems. You can expect to support multiple programs and multiple platforms within a software product line. Software Engineering positions include working on a variety of different tasks including real-time software development, application software development, test and verification, data analysis, software tools development, and many others.

  • Teams are organized as SAFE (Scaled Agile Framework) scrum teams.
  • Assist and participate in the requirements, design, development and testing of real-time embedded software, application software, and tools, to include development of new work products or enhancement of existing applications and systems.
  • Design, code, test, integrate, and document software solutions.
  • Participate in internal review of software components and systems.
  • Collaborate with project managers and other professionals within Engineering.
  • Follow established development practices and processes to maintain the configuration management of software products.


What You Will Learn

  • How to develop software in a team-based development environment using Scaled Agile/SCRUM.
  • Exposure to DevSecOps and test automation.
  • Secure coding practices.
  • Use of Atlassian toolset (Jira, Confluence, Bitbucket/Git)

Qualifications You Must Have

  • Must be pursuing a Bachelor's or advanced degree in Software Engineering, Computer Engineering, Computer Science or related Science, Technology, Engineering, or Mathematics (STEM) major and actively enrolled through the completion of the internship/co-op session.
  • Experience in real-time C++ embedded software, Windows and Linux Operating Systems, GIT, Jira, Jenkins, Pearl, Bash, and/or Kornshell.

Experience may be obtained through on-the-job experience, research, coursework, or projects.


Qualifications We Prefer

  • Knowledge of data structures and algorithms, systems software design, operating systems, architectures, software development life cycle and processes.
  • Experience developing software in a team-based development environment, preferably Agile/SCRUM, DevOps and test automation.
  • Strong problem-solving and communication skills, including ability to produce technical documentation, and the desire to learn new technologies and tools.
  • The ideal candidate is adaptable, flexible and eager to learn new concepts and discipline skills that may be on the periphery of the traditional boundaries of Software Engineering.    This includes basic understanding of upfront Software-Systems Engineering skills such as Requirements Analysis, Architecture and Design.  It also includes basic understanding of Verification and Validation of Software in simulated, laboratory and tactical environments.

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.
  • Relocation, if eligible

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

  • Onsite: Employees who are working in onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

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 37,000 USD - 82,000 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.

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Job ID

01874926

Security Clearance

SECRET
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