Software Engineer I (Onsite)

Prattwhitney; Richardson (TX); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Relocation assistance

401(k) match

Comprehensive benefits

Job summary

RTX in Richardson, TX is seeking a software engineer for NC3 defense systems. The role is onsite and requires collaboration with a high-performance team to develop and deliver mission-critical software for national defense.

Qualifications include a STEM degree, strong Java and OO fundamentals, knowledge of UML/SysML/MBSE, and experience with virtualization, microservices, containers, CI/CD, and GUI frameworks. A DoD Secret clearance is preferred but not required at hire.

Qualifications

• Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related STEM major obtained by start date.
• Good foundation in Object Oriented Programming and Java.
• Active and transferable U.S. government issued security clearance (preferable).
• Knowledge in UML, SysML, MBSE and CAMEO Modeling tools.
• Knowledge in requirements analysis, requirements decomposition and derivation.
• Knowledge in virtualization.
• Knowledge in microservices, containers and orchestrators.
• Knowledge in CI/CD.
• Understanding Agile SDLC (Software Development Life Cycle).
• Understanding Graphical User Interfaces with Java frameworks.

Responsibilities

• Collaborate with a high-performance software team including Scrum Masters, Product Owners, software architects, and other teams.
• Support requirements decomposition and derivation to produce Software Requirements.
• Participate in the design of the capabilities producing UML and SysML diagrams.
• Produce high quality mission critical software.
• Participate in code and related artifacts peer reviews.
• Create test cases and tests.

Skills

Object Oriented Programming

Java

UML

SysML

MBSE

CAMEO Modeling Tools

Requirements analysis

CI/CD

Microservices

Containers/Orchestrators

Virtualization

GUI with Java frameworks

Education

Bachelor’s degree in Software Engineering/Computer Engineering/Computer Science or related STEM major

Tools

MBSE tools

CAMEO Modeling tools

Containers and orchestrators

Job description

Position Details

Date Posted: 2026-10-09 Country: United States of America Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1

Position Overview

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

What You Will Do

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.

Our engineers work in an exciting, adaptive, and engaging environment enabling rapid learning to drive success.

Our software engineers utilize a variety of skills on a regular basis including requirements analysis, development and delivery of high-quality mission critical software.

This position will support the shaping of the future of NC3 defense systems for the armed forces. This position is located onsite in Richardson, TX.

• You will team up with a high-performance software team, collaborating with fellow Software engineers, Scrum Masters, Product Owners, Software Architects, and other teams.
• You will support requirements decomposition and derivation to produce Software Requirements.
• You will participate in the design of the capabilities producing UML and SysML diagrams.
• You will be responsible for producing high quality mission critical software.
• You will participate in code and related artifacts peer reviews.
• You will create test cases and tests.

What You Will Learn

You will have the opportunity to gain valuable experience in a professional software development environment. You will have opportunity to learn and grow knowledge within the Strategic Nuclear Deterrence domains & gain niche skills enabling you to be unique in all you do.

You will gain valuable experience & an opportunity to evolve in your career towards SME and other lead roles such as Scrum Master, Product Owner, and Software Lead You can take flight to becoming a subject matter expert and leader in NC3’s domains. We are growing, so can you.

Qualifications

• Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Good foundation in Object Oriented Programming and Java. Experience may be obtained through on-the-job experience, research, coursework, or projects.
• Active and transferable U.S. government issued security clearance (preferable).
• Knowledge in UML, SysML, MBSE and CAMEO Modeling tools.
• Knowledge in requirements analysis, requirements decomposition and derivation.
• Knowledge in virtualization.
• Knowledge in microservices, containers and orchestrators.
• Knowledge in CI/CD.
• Understanding Agile SDLC (Software Development Life Cycle).
• Understanding Graphical User Interfaces with Java frameworks.

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation, if eligible.

Salary and Benefits

The salary range for this role is 57,200 USD - 108,800 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.

Equal Opportunity Statement

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.

Company Overview

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.