502 matching jobs for “Senior Software Development Engineer (US Federal)”

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RTX

Senior Principal Lead Software Engineer (Onsite)

Sterling, Virginia, United States

Serve as technical leader for simulation software team, aligning efforts across engineering teams to ensure completion of capabilities within project …

Added Oct 27, 2026

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General Motors

Senior Software Engineer - Protocol Operations & Trust

GM Automation - Sunnyvale - GM Automation - Sunnyvale +1 location

Hybrid
Full time
Regular

Pay posted by employer$153,200–$234,100

… maintenance, and release safeguards. By working across simulation, evaluation, validation, autonomy development, data, and infrastructure teams, we turn complex testing workflows into clear, reproducible, decision-ready …

Added Oct 12, 2026

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RTX

Senior Software Engineer/Developer - Marlborough, MA

Marlborough, Massachusetts, United States

… 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 …

Added Oct 27, 2026

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General Motors

Senior Software Test Engineer – Retail Data

Milford, Michigan, United States of America

Hybrid
Full time
Regular

… into tomorrow’s standard —from breakthrough hardware and battery systems to intuitive design, intelligent software, and next-generation safety and entertainment features. Every day, our products move millions of people as …

Added Oct 12, 2026

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RTX

Senior Software Engineer/Developer - Huntsville, AL

Huntsville, Alabama, United States

Added Oct 27, 2026

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RTX

Senior Systems Engineer – Software Systems (Onsite)

Tucson, Arizona, United States

Added Oct 27, 2026

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RTX

Senior Systems Engineer – Software Systems (Onsite)

Tucson, Arizona, United States

… more secure world. The Systems Engineering and Test Capabilities (SETC) organization is currently hiring a Senior Systems Engineer to join our Tucson, AZ location. SETC is an exciting and challenging environment where you …

Added Oct 27, 2026

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RTX

Senior Software and Electrical Engineer (Onsite)

Phoenix, Arizona, United States

Develop and maintain software solutions for testing and controlling electrical equipment. Debug and troubleshoot software issues related …

Added Oct 28, 2026

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Software Applications Engineer

Fort Collins, Colorado, United States

Full time
Reg Employee

Pay posted by employer$65,600–$101,000 USD per year

Software Applications Engineer Description - Fort Collins, Colorado SPONSORSHIP : This opportunity is intended for …

Added Oct 20, 2026

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Capital One Financial

Senior Manager, Data Science - US Card (Upmarket Segments)

Richmond, Virginia, United States +2 locations

Senior Manager, Data Science - US Card (Upmarket Segments) Data is at the center of everything we do. As a …

Added Oct 28, 2026

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Booz Allen Hamilton

Software Engineer, Lead

Fort Meade, MD

Pay posted by employer$112,800–$257,000

Software Engineer, Lead The Opportunity: As a full-stack develop er, you can resolve a problem with a complete …

Added Oct 27, 2026

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General Motors

Staff Software Engineer

Austin, Texas, United States +1 location

Hybrid
Full time
Regular

… multiple regions and languages, delivering seamless and secure digital experiences at scale. As a Staff Software Engineer, you will help set the technical direction for the MyAccount platform and related customer …

Added Oct 12, 2026

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Booz Allen Hamilton

Software Developer, Lead

Fort Meade, MD

Pay posted by employer$112,800–$257,000

Software Developer, Lead The Opportunity: As a full stack developer, you can resolve a problem with a complete …

Added Oct 30, 2026

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RTX

Senior Principal Program Protection Engineer (Embedded Software Engineer)

Tewksbury, Massachusetts, United States

The Software Product Assurance Center’s Software Security Sensors and Effectors Department is seeking a highly skilled …

Added Oct 27, 2026

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Capital One Financial

Senior Manager, Data Science - US Card (Resiliency Intelligence)

McLean, Virginia, United States +2 locations

Senior Manager, Data Science - US Card (Resiliency Intelligence) Data is at the center of everything we do. As a …

Added Oct 27, 2026

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General Motors

Senior Software Engineer – Virtualization & SIL Integration

Milford, Michigan, United States of America

Hybrid
Full time
Regular

DUTIES: Create virtual in-the-loop environments to enable development, verification, and validation of embedded controllers and calibrations for hybrid, electrification, engine, …

Added Oct 12, 2026

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General Motors

Sr. Software Engineer - AI Quality and Productivity

Warren, Michigan, United States +1 location

Hybrid
Full time
Regular

… surface actionable insights, and unlock measurable productivity gains across the product lifecycle. As a Senior Software Engineer, you will be responsible for developing data intensive and AI-enabled software …

Added Oct 12, 2026

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General Motors

Sr. Software Engineer - AI Engineering and Productivity

Austin, Texas, United States +1 location

Hybrid
Full time
Regular

… surface actionable insights, and unlock measurable productivity gains across the product lifecycle. As a Senior Software Engineer , you will be responsible for developing data intensive and AI-enabled software …

Added Oct 12, 2026

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RTX

Principal Software Engineer

Marlborough, Massachusetts, United States

Added Oct 28, 2026

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RTX

Software Engineer II

Marlborough, Massachusetts, United States

Added Oct 28, 2026

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RTX

Principal Software Engineer

Marlborough, Massachusetts, United States

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About this opportunity

Original employer description

Date Posted:

2026-10-27



Country:

United States of America



Location:

US-MA-MARLBOROUGH-MA4 ~ 1001 Boston Post Rd ~ BLDG 4



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. Software Engineer to join our team in Marlborough, MA. A comprehensive relocation package will be offered to qualified candidates.

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 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
Working knowledge of Linux, VxWorks or other Real time operating systems
Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders
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
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 5 years of experience.

Qualifications We Prefer

Applied experience in Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)
Understanding of 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
Exposure to Model Driven Development
Experience with software integration on custom hardware
Working experience with Microservice Architectures and Containerized Applications
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!

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.

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.

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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