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Added 5 hours ago
VA Tech Student Intern Fellowship
RTX
United States
…design process including system-level trades, requirements development, communication system architecture and design, performance assessment, integration and test, verification, validation…
Added 5 hours ago
Sr Software Engineer
RTX
United States
Experience in Software Engineering to include experience working various phases of the software development lifecycle
Added 5 hours ago
Software Engineer
PeopleTec, Inc.
HUNTSVILLE, AL
Our team supports state-of-the-art projects, blending engineering skills and software design to perform research and analysis, modeling and simulation, software development, testing, and…
Added 5 hours ago
Manufacturing Engineering - Development Program
Mueller Products & Solutions
Atlanta, GA · Albertville, AL · Kimball, TN · Decatur, IL · Cleveland, TN · Cleveland, NC · Chattanooga, TN · Brownsville, TX
Our Manufacturing Engineering Development Program offers experience across process design, productivity optimization, 3D manufacturing technology, factory floor digitalization, project…
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Senior Platform Architect
Expression
Remote, United States
…architecture and integration across its components with Expression engineering teams and NTIA stakeholders. The role treats the platform as a product that evolves with the needs of the…
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Senior DevOps Engineer
Expression
Remote, United States
As the DevOps lead for the program, you will design, implement, and maintain secure cloud infrastructure and delivery pipelines supporting applications, data services, and analytics across…
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DevOps Engineer
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…Administration (NTIA) Federal Spectrum Data Systems (FSDS) program within the U.S. Department of…
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DevOps Engineer
TEKsystems
Brentwood, TN
- $60 to $70 USD / hour
DescriptionWe are seeking a Mid-to-Senior Level DevOps Engineer to join a growing data and cloud engineering team. This individual will play a critical role in supporting enterprise data…
Added 5 hours ago
T
Sr Software Engineer
TEKsystems
White, GA
- $60 to $70 USD / hour
DescriptionWe are seeking a Software Engineer specializing in MES (Manufacturing Execution System) development for a long term contract tole in Cartersville, GA. This role is onsite 5 days…
Added 5 hours ago
Software and AI Engineer
CoreWeave
CA / Bellevue, WA · Livingston, NJ · Manhattan, NY · San Francisco, CA · Sunnyvale, CA
As a Software and AI Engineer, IT Systems, you’ll design and build AI agents, copilots, and first-party applications that make CoreWeave’s internal workflows more intelligent, automated,…
Added 5 hours ago
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Part Time Systems Engineer Co-Op (Remote)
RTX
United States
- Part-time
Software engineering approaches, use of artificial intelligence, and agile development techniques
Added 5 hours ago
Principal Software Engineer
RTX
United States
Experience in Software Engineering to include experience working various phases of the software development lifecycle
Added 5 hours ago
Mechanical Engineering Intern (Summer 2027)
RTX
United States
As a Mechanical Engineering Intern at Collins Aerospace, you will be a member of a multi-disciplinary Integrated Program Team (IPT) consisting of System, Hardware and Software Engineers.…
Added 5 hours ago
Systems Security Engineering Intern (Summer 2027)
RTX
United States
Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program Protection Implementation…
Added 5 hours ago
Senior Embedded Software Engineer, Onsite
RTX
United States
Raytheon Space and Air division in El Segundo, CA is seeking a Senior Embedded Software Engineer to be part of product development teams.
Added 5 hours ago
Low Observable Materials Engineer
RTX
United States
…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. Our team solves tough, meaningful…
Added 5 hours ago
Senior Principal Software Engineer
RTX
United States
Experience in Software Engineering to include experience working various phases of the software development lifecycle
Added 5 hours ago
Internship – Raytheon Systems Security Engineer (Onsite)
RTX
United States
Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program Protection Implementation…
Added 5 hours ago
Internship – Raytheon Systems Security Engineer- Onsite
RTX
United States
Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program Protection Implementation…
Added 5 hours ago
Low Observables Materials Engineer
RTX
United States
…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. Our team solves tough, meaningful…
Added 5 hours ago
Senior Principal FPGA Engineer
RTX
United States
Work cooperatively with systems, hardware, software engineers, and program management to ensure product success
Added 5 hours ago
Sr. Principal Low Observable Materials Engineer
RTX
United States
…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. Our team solves tough, meaningful…
Added 5 hours ago
Senior Acoustics Signal Processing Engineer
RTX
United States
Core Software Expertise: Hands-on development experience using C/C++ to create software that implements signal processing algorithms and executes in real-time.
Added 5 hours ago
Principal Acoustics Signal Processing Engineer
RTX
United States
Core Software Expertise: Hands-on development experience using C/C++ and computer system design concepts to create software that executes in real-time.
Added 5 hours ago
Software Quality and Process Assurance Engineer (Hybrid - Windsor Locks, CT)
RTX
United States
Are you passionate about software quality and eager to make an impact on cutting-edge aerospace systems? As a Software Quality and Process Assurance Engineer, you’ll support the development…

RTX

Principal Software Engineer

United States

The salary range for this role is 107,500 USD - 204,500 USD.

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Job details

Pay: The salary range for this role is 107,500 USD - 204,500 USD.
Posting language: English
Posted: Nov 2, 2026

Original job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-FL-LARGO-382ST ~ 7887 Bryan Dairy Rd ~ BLDG 400

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

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.

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. 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 Strategic Communication Software (SW) Engineering Department has an opportunity for a talented Principal Software Engineer to join our team. This position will be onsite in Largo Florida and requires a current secret DoD clearance

What You Will Do

Participate in 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
Full-time on-site position

Qualifications You Must Have

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
Experience in Software Engineering to include experience working various phases of the software development lifecycle
Experience with Software Development Using C++
Experience with real-time operating systems (RTOS), embedded programming, processor/board architecture and design
Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders
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

Qualifications We Prefer

Applied experience in Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)
Understanding standard system engineering design artifacts such as Use Cases and SysML diagrams.
Experience with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies
Experience with DevOps, Jenkins and automated testing
Experience with Model Driven Development (MDD)
Experience with software integration on custom hardware
FPGA interfaces (memory mapped and SW/FW messaging) experience
Working experience with Microservice Architectures and Containerized Applications
Performance optimization experience
Exposure to CORBA messaging
Experience with TCP/IP, UDP/IP messaging, and client/server architecture
Scripting language (e.g. Python)

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
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
And more!

Learn More & Apply Now

#MISENG

At Collins, the paths we pave together lead to limitless possibilities. 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.

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 customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

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.

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