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Principal Software Engineer (ONSITE)

RTX Corporation • Largo, FL • 12h ago

Date Posted:

2026-01-20

Country:

United States of America

Location:

US-FL-LARGO-382SR ~ 7887 Bryan Dairy Rd ~ BLDG 600

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:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place. Come support those who provide us with all the freedoms we enjoy. Our commitment to providing an environment that supports innovation, teamwork, and growth opportunities are primary reasons engineers come to work at RTX.

The Protected Communication Systems (PCS) Software (SW) Engineering Department has an opportunity for a talented Principal Software Engineer to join our team.

What You Will Do

Participate on collaborative, cross-disciplined integrated product teams, often employing agile software development techniques

Responsible for the full lifecycle of product development, from architecture and design, through integration, test, and field support

Work and learn the highest software engineering process maturity level as recognized by the Software Engineering Institute

Qualifications You Must Have

Experience in Software Engineering including working various phases of the software development lifecycle

Experience with Software Development using C/C++, JAVA, JavaScript HTML5, and/or CSS

Experienced with full-stack development (GUI, back-end services, middleware)

Familiarity with developing applications using communication protocols (e.g. TCP/IP, UDP, HTTP, HTTPS, RTP, SIP)

Working knowledge of Windows, Linux, VxWorks or other Real time operating systems

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

Active and transferable Secret U.S. government issued Secret security clearance is required prior to start date
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

Experience with scripting languages such as Python

Experience with DevOps, Jenkins and automated testing

Exposure to Model Driven Development

Experience with real-time operating systems (RTOS), embedded programming, processor/board architecture and design

Understanding of standard system engineering design artifacts such as Use Cases and SysML diagrams

Applied experience in Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)

Familiarity with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies

Working experience with Microservice Architectures and Containerized Applications

Experience with software integration on custom hardware

What We Offer

Medical, dental, and vision insurance

Three weeks of vacation for newly hired employees

Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option

Tuition reimbursement program

Student Loan Repayment Program

Life insurance and disability coverage

Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,?critical illness?insurance, group legal, ID theft protection

Birth, adoption, parental leave benefits

Ovia Health, fertility, and family planning

Adoption Assistance ????????

Autism Benefit

Employee Assistance Plan, including up to 10 free counseling sessions

Healthy You Incentives, wellness rewards program

Doctor on Demand, virtual doctor visits

Bright Horizons, child and elder care services

Teladoc Medical Experts, second opinion program

This position is eligible for relocation assistance

And more!?

Learn More & Apply Now!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

*Please ensure the role @type (defined below) is appropriate for your needs before applying to 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.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that's redefining aerospace, every day.

Employee Referral Eligible

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 107,500 USD - 204,500 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.

Privacy Policy and Terms:

Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms

Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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