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Added 5 mins ago
Principal / Sr. Principal Software Engineer - Onsite Customer Integration
Northrop Grumman
MD · Melbourne, FL · Melbourne
Northrop Grumman Aeronautics Systems Sector has an opening for a Principal / Sr. Principal Software Engineer - Onsite Customer Integration to join Global Surveillance Division supporting…
Added 5 mins ago
Principal Engineer/Sr. Principal Engineer Digital-RF Subsystems I&T Lead
Northrop Grumman
Baltimore, MD · Baltimore
Integration of digital receiver/exciter hardware and representative lab test environments
Added 5 mins ago
Principal/Sr. Principal FPGA Engineer
Northrop Grumman
Rolling Meadows, IL · Rolling Meadows
As a Principal / Sr. Principal FPGA Design Engineer, you will join a diverse, high-performing team responsible for the end-to-end development of advanced RF and EO/IR products. You will…
Added 5 mins ago
Engineer/Principal Engineer (Level 2/3)
Northrop Grumman
Redondo Beach, CA · Redondo Beach
Northrop Grumman, Western Region Manufacturing and Operations, Mechanical & Environmental Test Engineering Dept, Specialty Test Team in Redondo Beach, CA is looking for an experienced,…
Added 7 mins ago
Sr Principal Engineer Software
Northrop Grumman
Melbourne, FL · El Segundo, CA · Melbourne · El Segundo
Northrop Grumman Aeronautics Systems has an opening for a Sr Principal Software Engineer position to join our team of qualified, diverse individuals for a hybrid position in Melbourne,…
Added 7 mins ago
Software Engineer/Principal Software Engineer - Java
Northrop Grumman
San Diego, CA · San Diego
Northrop Grumman Aeronautics Systems is looking to add a Software Engineer - Java or Principal Software Engineer - Java to join our team on site in Rancho Bernardo, CA
Added 7 mins ago
Systems Engineer - R&V (Principal or Senior Principal)
Northrop Grumman
San Diego, CA · San Diego
Northrop Grumman Aerospace Systems sector has an opening for a Systems Engineer (Principal or Senior Principal Level) - Requirements and Verification to join our team of qualified, diverse…
Added 7 mins ago
Principal Engineer Electrical
Northrop Grumman
Chandler, AZ · Chandler
Northrop Grumman’s Space Sector is seeking a Principal Engineer Electrical - Level 3 to join our NH&S team in Chandler, AZ.
Added 9 mins ago
Principal Embedded Software Engineer-17488
Northrop Grumman
Roy, UT · Roy
Northrop Grumman Defense Systems is seeking a Principal Embedded Software Engineer for the Flight / Guidance Navigation & Control (GN&C) Software Team. This position will be located in Roy,…
Added 38 mins ago
Sr Principal Engineer Software
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Sr Principal Software Engineer position to join our team of qualified, diverse individuals for a hybrid position in Melbourne,…
Added 38 mins ago
Principal Engineer Electrical
SP - Launch Vehicles
United States
Northrop Grumman’s Space Sector is seeking a Principal Engineer Electrical - Level 3 to join our NH&S team in Chandler, AZ.
Added 38 mins ago
Engineer/Principal Engineer (Level 2/3)
CORP-Corporate Office
United States
Northrop Grumman, Western Region Manufacturing and Operations, Mechanical & Environmental Test Engineering Dept, Specialty Test Team in Redondo Beach, CA is looking for an experienced,…
Added 1 hour ago
Senior Principal Engineer - RF
BAE Systems
Nashua, NH
Given our continued growth, we have immediate roles available for a highly motivated Senior Principal RF/Microwave Engineer to join our Transition to Production, Production Support and…
Added 2 hours ago
Principal Firmware Engineer - Implantable Medical Devices
Enterra Medical, Inc.
St. Louis Park, MN
We are seeking a skilled Principal Firmware Engineer with specialized experience in developing firmware for active implantable medical devices. This role involves designing, developing,…
Added 2 hours ago
Senior RF Engineer II (Hardware)
Neros Technologies
Torrance, CA
As a Senior RF Engineer II (Hardware), you will own the technical direction and final sign-off for RF hardware implementation across all Neros products involving wireless links. You will…
Added 2 hours ago
Sr. Radio Frequency (RF) Engineer
The Aerospace Corporation
Kirtland AFB, NM
Support integration and test, anomaly investigations, and provide key expertise in protecting schedule, cost, and hardware
Added 3 hours ago
Thermal Analysis Engineer III
Axiom Space
United States
As a Senior Thermal Analysis Engineer III, you will own the thermal design and analysis of key suit components, including the Portable Life Support System (PLSS), the Pressure Garment…
Added 3 hours ago
Principal Radar Systems Engineer
STR
Remote, United States
The Systems Development Division (SDD) within STR delivers technology advantage into users’ hands and is seeking a Principal Radar Systems Engineer to support/lead the architecting, design,…
Added 3 hours ago
Principal Imaging Engineer
i3 Assembly
Boxborough, MA
The Principal Imaging Engineer is a senior technical contributor responsible for the development, evaluation, optimization, and support of imaging technologies used in CT scanning systems.…
Added 4 hours ago
Principal Robotics Engineer - R&D
Boston Engineering Corporation
Waltham, MA
Boston Engineering is seeking a Principal Robotics Engineer - R&D to join our team in Waltham, MA!
Added 4 hours ago
Principal FPGA Engineer
RTX
United States
In this role as a Principal FPGA Engineer, you will develop FPGA designs for all major vendors and device families including AMD, Altera, and Microchip. Designs commonly support the…
Added 4 hours ago
Principal Software Engineer
RTX
United States
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…
Added 4 hours ago
Senior Principal Software Engineer
RTX
United States
The Strategic Communication Software (SW) Engineering Department has an opportunity for a talented Sr Principal Software Engineer to join our team. This position will be onsite in Largo…
Added 4 hours ago
Principal Antenna and Microwave Engineer
RTX
United States
We have an opportunity for an Principal Antenna and Microwave Engineer who is seeking to utilize their strong academic background and experience in RF/Microwave system theory and design,…
Added 4 hours ago
Senior Principal FPGA Engineer
RTX
United States
In this role as a Senior Principal FPGA Engineer, you will lead development of FPGA designs for all major vendors and device families including AMD/Xilinx, Altera, and Microchip. Designs…

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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