Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added 2 mins ago
Sr. Radio Frequency (RF) Engineer
The Aerospace Corporation
Kirtland AFB, NM
…Space Force Space Systems Command (SSC) in the conception, design, acquisition, launch and operations of satellite, launch vehicle, ground control, and range…
Added 3 mins ago
Transportation Project Engineer
Stantec
Colorado Springs, CO · Denver, CO · Fort Collins, CO
Utilize model-based design visualization software, such as InfraWorks, LumenRT, Concept Station, or Beyond Typicals, to support design development and client communications. Identify and…
Added 12 mins 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 21 mins ago
Principal Data Architect
Babel Street
Reston, VA · Somerville, MA
This is a principal engineering role, not a people-management role. You will be judged on the systems you design and ship, the quality of your technical decisions, and how much you raise…
Added 31 mins ago
Principal Engineer, Identity & Access Management (IAM) - Microsoft Entra ID
Boston Scientific
Arden Hills, MN
Boston Scientific is seeking a Principal Engineer, Identity & Access Management (IAM), specializing in Microsoft Entra ID and cloud identity to provide enterprise-level technical leadership…
Added 32 mins 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 35 mins ago
Distinguished Hardware Engineer
Cisco
San Jose, CA
…help each other grow. Because full product development - from design to qualification to production - is within our team, we’re able to think differently, experiment more, and work quickly.…
Added 36 mins ago
Principal Analytics Engineer
Crisis Prevention Institute
Remote, United States
The Principal Analytics Engineer is the organization’s most senior individual contributor for the enterprise data platform and serves as the end-to-end technical owner of Snowflake and its…
Added 58 mins ago
HFN: Manufacturing Engineer II
Hanger, Inc.
Phoenix, AZ
The Manufacturing Engineer will develop and improve a wide range of manufacturing or system processes by understanding required outcomes and applying best practices. This entails working…
Added 1 hour ago
Principal Software Engineer
DQQ Cohesity Inc.
Santa Clara, CA
We are looking for an exceptional Principal Engineer (L8) to lead the architecture and development of next-generation cloud-native services and platform infrastructure powering large-scale…
Added 1 hour 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 1 hour ago
P
Vehicle Calibration Engineer - Software Integration (Driver Assistance Systems)
PACCAR
Mount Vernon, WA
- $70,500 to $105,800 USD / year
…and DAF trucks. PACCAR is a global technology leader in the design, manufacture and customer support of high-quality light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and…
Added 1 hour ago
Software Development Engineer II, Efficiency & Performance, Alloy, Region Flex Efficiency
Amazon.com Services LLC
Sunnyvale, CA
As a Software Development Engineer in Alloy, you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale…
Added 1 hour ago
Software Development Engineer III, Efficiency & Performance, Alloy, Region Flex Efficiency
Amazon.com Services LLC
Sunnyvale, CA
As a Software Development Engineer in Alloy, you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale…
Added 1 hour ago
Principal Mechanical Design Engineer
Aerospace
Phoenix, AZ
As a Principal Mechanical Design Engineer here at Honeywell Aerospace, you will be a key contributor to the design and development of cutting-edge mechanical solutions. You will play a…
Added 1 hour ago
IG
Principal Software Architect
Insight Global
Smyrna, GA
- $140,000 to $240,000 USD / year
- 6+ years as a principal-level software engineer or architect, with the ability to lead technical design and architecture decisions
Added 1 hour ago
Sr. Design Engineer
Nemera
Chicago, IL
…Poland. The headquarters and Innovation Center for early device design and development are located in France…
Added 1 hour 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 1 hour ago
Principal Flight Controls Engineer
Electra
Manassas, VA
As a Principal Flight Controls Engineer you will help support the development of the Control Laws for the EL9 Ultra Short aircraft.
Added 1 hour ago
O
Senior Core Infrastructure Engineer
Oracle
Santa Clara, CA · Seattle, WA · Austin, TX · Nashville, TN
- $79,200 to $209,500 USD / year
As a Senior Software Development Engineer in the Oracle Cloud Infrastructure (OCI) Security Platform division, you will help build and operate OCI’s Key Management Service (KMS), a…
Added 1 hour ago
FU
Cybersecurity Architect
FMS USA Fresenius Mgmt Services Inc
Remote, United States
- $137,000 to $229,000 USD / year
…monitors implementation activities to ensure architecture and design principles are…
Added 1 hour ago
NU
Sr. Principal Integration Engineer - Cloud Solutions
NMC USA National Medical Care Inc
Remote, United States
- $137,000 to $229,000 USD / year
The Principal Azure Cloud Solutions Engineer serves as a senior technical authority responsible for designing, implementing, and improving secure, scalable, and resilient solutions on…
Added 1 hour ago
Systems Engineer Principal
SAIC
Point Mugu Nawc, CA · Point Mugu NAWC, CA
SAIC is seeking a qualified Systems Engineer to support the Naval Air Warfare Station Weapons Division Branch at Point Mugu, CA. The candidate will perform systems engineering to support…
Added 1 hour ago
Principal Engineer
Wells Fargo Bank, N. A.
CHARLOTTE, NC · IRVING, TX
We are looking for a Principal Engineer who wants to help lead that change.
Added 1 hour ago
Principal Systems Engineer - Processing, Guidance, & Controls Engineers
RTX
United States
The PG&C Center in Tucson, AZ are currently hiring Principal Systems Engineer - Processing, Guidance, & Controls Engineers to support the execution of our current and upcoming product…

RTX

Senior Principal Software Engineer

United States

The salary range for this role is 132,400 USD - 251,600 USD.

Apply About employer

Applications open in a new tab.

Job details

Pay: The salary range for this role is 132,400 USD - 251,600 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 Sr 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
Prior experience in a technical or team leadership role, such as SW Architect, SW Lead etc
Experience with Software Development Using ADA, C/C++, Java
Experience with real-time operating systems (RTOS), embedded programming, processor/board architecture and design
Working knowledge of Linux, VxWorks or other Real time operating systems
Applied experience in Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)
Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders
Mentoring experience with junior engineers
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 8 years of experience

Qualifications We Prefer

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
Versal (ARM assembly) knowledge
Performance optimization experience
CORBA messaging experience
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 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

Apply About employer

More about this job

Skills

Research
Teamwork
Communication skills
Software development
Team leadership
C
C++
Oracle Java
RTOS
Linux
UML
Coaching
Agile
Scrum
CI/CD
DevOps
Jenkins
Test automation
Assembly
Python

Report this job