Systems Engineer Intern

Date Posted: 2026-10-27

 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 We are seeking a motivated and innovative Systems Engineering Intern to join our Systems Excellence Department at our St.

Petersburg, FL location. As an intern, you will be instrumental in contributing to all phases of the product development lifecycle, including systems and software requirements, system architecture and design, software integration and test, simulation and test, integration and test, verification, and sell-off.

Systems engineering is all about collaboration. Collaboration with other systems and software engineers on your team, collaboration with other engineering disciplines throughout design and development, and collaboration with program leadership and customers.

We are looking for talented individuals that love to solve problems and have a desire to grow and gain exposure to new skills. Our customers come from all different backgrounds, and so do our employees.

If you're passionate about what you could accomplish here, we'd love to hear from you. CEC: https://www.youtube.com/watch?v=jHHrQSFWh1I • Work closely with a highly motivated and dedicated team of professionals with the responsibility of defining the requirements, design, and architecture of subsystems that comprise the Cooperative Engagement Capability (CEC) product line, as part of Advanced Networking Solutions (ANS).

• Participate in the systems development lifecycle, including trade study execution, system design, requirements definition, requirements allocation, requirement traceability, systems integration, verification testing and qualification.

• Collaborate across many engineering disciplines to execute program milestones. What You Will Learn • You will gain technical experience, mentorship opportunities, and exposure to established engineers within the Systems Excellence Department that will help advance your career.

• You will obtain invaluable experience working with our CEC subject matter experts in addition to supporting our customer base, and cross-functional integrated product team.

• You can take flight to becoming knowledgeable in algorithm development, system level designs, and system level models using Model Based Systems Engineering (MBSE) with exposure to the variety of business and products in an ever-evolving field.

• We are growing, so can you! Qualifications You Must Have • Must be pursuing Bachelor’s or Advanced degree in Mechanical or Aerospace Engineering and actively enrolled through the completion of the internship/co-op session.

• Must have a minimum of 60 hours of credit by the start of the internship / co-op session. • Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer • Experience in the operation, test, and troubleshooting of Naval systems. • Development of integration, verification, and validation planning documentation of integration and test plans, procedures, reports, status reports, and other related documentation.

• Experience with Agile development, including project estimating, reporting, and backlog management. • Experience in programming C/C++, Python, or other programming languages.

Knowledgeable in Linux.  Experience with DevSecOps/TDD/BDD; Security+. • Experience with automated test scripting and automated data analysis. What We Offer •       Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world.

At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. •       Relocation Eligibility 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.