Senior Principal Software Engineer (Onsite)

RTX Corp

Largo, FL

JOB DETAILS
SKILLS
Aerospace and Defense, Affirmative Action, Agile Programming Methodologies, Bond Market, C Programming Language, C++ Programming Language, CSS (Cascading Style Sheet), Communication Systems, Dental Insurance, Embedded Processors, Embedded Programming Languages, Employee Assistance Plan, Family Planning, Government, HTML5, Integration Testing, Java, JavaScript, Life Insurance, Mathematics, Microprocessor Architecture, Military, On Site Support, Printed Circuit Board Design, Product Development, Product Lifecycle, RTX, Realtime Operating System, Rehabilitation Act, Security Clearance, Software Architecture, Software Development, Software Development Lifecycle (SDLC), Software Engineering, Student Loans, Systems Engineering, Team Lead/Manager, Team Player, Technical/Engineering Design, United States Citizen, Use Cases, Vision Plan
LOCATION
Largo, FL
POSTED
30+ days ago

Date Posted: 2026-02-04

Country: United States of America

Location: US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 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: 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 technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

The Protected Communication Systems (PCS) Software (SW) Engineering Department has an opportunity for a talented Senior 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 all phases of the software development lifecycle

Prior experience in a technical or team leadership role, such as SW Architect, SW Lead etc.

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

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience

Active and transferable Secret U.S. government issued security clearance is required prior to start date

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

What We Offer:

Some of our competitive benefits package includes:

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

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.

This is an Onsite role: 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 132,400 USD - 251,600 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 to read the Policy and Terms

About the Company

R

RTX Corp